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RS232_485_ETP_MODBUS_BU_REV02.doc

INDEX

1. THE HARD WARE CONNECTION WITH THE CONVERTER...................................................................................4

1.1. ML XXX............................................................................................................................... .................................................4

1.2. ML XXX............................................................................................................................... .................................................4

1.3. ML XXX............................................................................................................................... .................................................4

1.4. ML XXX............................................................................................................................... .................................................4

1.5. ML XXX............................................................................................................................... .................................................4

2. AVAILABLE PROTOCOLS ............................................................................................................................................4

3. DPP (DATA PACKET PROTOCOL) .............................................................................................................................5

3.1. INTRODUCTION TO DATA PACKET PROTOCOL............................................................................................................5

3.2. BCP PROTOCOL (BASIC COMMUNICATION PROTOCOL) ............................................................................................5

3.2.1.INTRODUCTION ............................................................................................................................................................5

3.2.2.DATAWORDFORMAT ..................................................................................................................................................5

3.2.3.DATABLOCKFOR MAT ..................................................................................................................................................6

3.2.4.COMMUNICATIONSPEED.............................................................................................................................................6

3.2.5.SERIALPORTSETTINGSFORRS232ANDRS485..........................................................................................................6

3.2.6.COMMANDFORMATS ..................................................................................................................................................7

3.2.7.READINGTHETYPEOFINSTRUMENTANDTHESOFTWAREVERSION .........................................................................7

3.2.8.READINGPROCESSDATAFROMML210 .......................................................................................................................8

3.2.9.READINGPROCESSDATAFROMML211 .....................................................................................................................10

3.2.10.READINGPROCESSDATAFROMML212 ..................................................................................................................12

3.2.11.READINGPROCESSDATAFROMML3F1 ...................................................................................................................13

3.2.12.SETTINGTHESET‐POINTOFTHEML212 ..................................................................................................................15

3.2.13.READINGTHEINTERNALDATA‐LOGGERDATAOFML210/211/212 ....................................................................15

3.2.14.READINGTHEEVENTSONINTERNALDATA‐LOGGERDATAOFML210/211/212 .................................................16

3.2.15.READINGTHEMAX‐MINONINTERNALDATA‐LOGGERDATAOFML210 ................................................................17

3.2.16.LETTURAVALORIMIN‐MAXDELLOGGERINTERNODIML211 ................................................................................17

3.2.17.WRITINGTHEDATEANDTIMEORRESETTHEENABLEDTOTALIZERS .....................................................................18

3.2.18.SEND/RECEVEBATCHPROCESSDATAML210/ML3F1 ..........................................................................................18

3.3. ETP PROTOCOL (ENCAPSULATED TRANSFER PROTOCOL) ...................................................................................... 20

3.3.1.INTRODUCTION ..........................................................................................................................................................20

3.3.2.DATAWORDFORMAT ................................................................................................................................................20

3.3.3.COMMUNICATIONSPEED...........................................................................................................................................20

3.3.4.SERIALPORTSETTINGSFORRS232ANDRS485PORT ..............................................................................................21

3.3.5.GENERALINPUTSYSNTAX ..........................................................................................................................................21

3.3.6.SPECIALCHARACTERS.................................................................................................................................................22

3.3.7.ACCESSCODEFORFUNCTIONWITHPRIVILEGELEVEL ...............................................................................................22

3.3.8.DATABLOCKFOR MAT ................................................................................................................................................23

3.3.9.EXAMPLEOFETPCOMAND ........................................................................................................................................24

3.3.10.EXAMPLEOFRESPONSEFORPRECECDENTETPCOMAND.......................................................................................24

3.3.11.COMUNICATION ................................................................................................................... ....................................25

3.3.12.SUGGESTIONSFORRS485INTERFACEUSE...............................................................................................................26

3.3.13.FLOWCHARTFORSENDINGETPCOMMANDANDRECEPTIONOFTHEANSWER....................................................28

3.3.14.LISTOFSUPPORTEDCOMMANDSGROUPEDSIMILARLYTOTHEINTERNALMENUSYSTEM ..................................30

3.3.15.ETPCOMMANDLISTINALPHABETICALORDER .......................................................................................................64

4. HTP PROTOCOL (HYPER TEXT PROTOCOL) ........................................................................................................67

4.1. INTRODUCTION ............................................................................................................................... ...............................67

4.2. DESCRIPTION AND USE .................................................................................................................................................67

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4.3. HTP PROTOCOL............................................................................................................................... ................................68

5. MODBUS FIELD BUS.................................................................................................................................................. 71

5.1. INTRODUCTION ............................................................................................................................... ...............................71

5.2. RS485 HARDWARE CONNECTION ............................................................................................................................... .71

5.3. DATA WORD FORMAT ....................................................................................................................................................71

5.4. COMMUNICATION SPEED .............................................................................................................................................. 71

5.5. SERIAL PORT SETTINGS ............................................................................................................................... .................71

5.6. PARAMETER SETTINGS ............................................................................................................................... ...................72

5.7. STANDARD FUNCTIONS............................................................................................................................... ..................72

5.8. CUSTOM FUNCTION .......................................................................................................................................................77

5.9. EXAMPLE OF SOURCE CODE FOR VB .NET 2005 PROJECT........................................................................................80

6. APPENDIX.................................................................................................................................................................. 100

6.1. RS232 SERIAL PORT.....................................................................................................................................................100

6.1.1.CONNECTINGTHECONVERTERVIARS232PORTTOAPRINTER ..............................................................................100

6.1.2.CONNECTINGTHECONVERTERVIARS232PORTTOAPC/MODEM ........................................................................102

6.2. RS485 SERIAL PORT.....................................................................................................................................................103

6.2.1.CONNECTINGTHECONVERTERVIARS485SERIALPORT .........................................................................................103

6.2.2.CONNECTINGTHECONVERTERTOANRS485NETWORK ........................................................................................104

6.2.3.CRITERIAFORDATAEXCHANGE ...............................................................................................................................104

6.2.4.TYPESOFDEVICEFORTHENETWORKCONNECTION ...............................................................................................104

6.2.5.EXTENDINGTHENETWORK ......................................................................................................................................104

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t

1. THE HARDWARE CONNECTION WITH THE CONVERTER

1.1. ML XXX

1.2. ML XXX

1.3. ML XXX

1.4. ML XXX

1.5. ML XXX

2. AVAILABLE PROTOCOLS

 DPP = Data Packet Protocol

Proprietary of Millennium series : it’s a network protocol based on data packets; over this protocol it’s possible to

encapsulate other protocols like BCP (Basic Communication Protocol) or ETP (Encapsulated Transfer Protocol)

 HTP = Hyper text protocol

It’s a textual protocol used in point to point connections. ETP commands can be used over HTP

 MODBUS = field bus

It’s a standard field bus that can be used over point to point or over network connections; MODBUS can encapsulate ETP commands

RS 232 port

RS 485 por

 DPP protocol  HTP protocol  MODBUS protocol

 DPP protocol  MODBUS protocol

RS 232 por

RS 485 por

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3. DPP (DATA PACKET PR OTOCOL)

3.1. INTRODUCTION TO DATA PACKET PROTOCOL

With Data Packet Protocol it is possible to communicate with the flow meter through protocols with data packets. The protocols with data packets available for the flow meter are BCP protocol (Basic Communication protocol) and the ETP protocol (Encapsulated Transfer protocol)

The flow meter have two serial port, the RS 232 port and the RS 485 port. When the aux module with the RS 232 port is present in the flow meter, the menu

have the function «RS232 pr.» for the selection of the protocol type.

When the DPP setting is selected in the

possible to send command to RS 232 port of the flow meter with the protocol BCP or with the protocol ETP.

When the flow meter have the option of the MODBUS protocol, the menu

function «RS485 pr.» for the selection of the protocol type. The possible selections are MODBUS or DPP.

When the DPP setting is selected in the

possible to send command to RS 485 port of the flow meter with the protocol BCP or with the protocol ETP.

If the flow meter don’t have the MODBUS option, the

Communication» and the default protocol type for the RS 485 port is DPP.

For the use of the commands and the structure of the BCP protocol see the relative section. For the use of the commands and the structure of the ETP protocol see the relative section.

function «RS232 pr.» of the menu «7-Communication», it is

function «RS485 pr.» of the menu «7-Communication», it is

«7-Communication»

«7-Communication» have the

function «RS485 pr.» is not present in the menu «7-

3.2. BCP PROTOCOL (BASIC COMMUNICATION PROTOCOL)

3.2.1. INTRODUCTION

The BCP protocol is a set of formatted commands based on an index.

It is possible to read data from the flow meter as Process data or the Data Logger and it is possible to send command to the flow meter as the start stop batch for example.

The protocol is available for the RS 232 and for the RS 485 serial port.

3.2.2. DATA WORD FORMAT

The data bytes travelling in serial form on the communication line are enclosed in 10 bits:

1 START BIT 8 DATA BITS = 1 BYTE DI DATI 1 STOP BIT

Each word contains one byte of data plus additional bits which serve to synchronise and make the communication safer. These extra bits are added automatically in the transmission phase by the transmitter integrated circuit. In the

words

which have a fixed length of

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reception phase, the reverse operation is executed by the receiver integrated circuit: the eight data bits are extracted and the others are eliminated. These operations are executed entirely on a hardware level. The 8 data bits must be serialised staring from bit 0 (the least significant one).

3.2.3. DATA BLOCK FORMAT

Communication takes place through data blocks or packs of variable length which do not exceed 256 bytes overall. A data block or pack is composed thus::

• ADDRESS TO, Containing the address of the device the block is sent to;

• ADDRESS FROM, Containing the address of the device which sent the block;

• COMMAND, Containing the command code the block refers to;

• LENGTH, Containing the length of the data block in bytes

• DATA BYTES, The block of data of variable length from zero to 250

• CRC CHECKSUM BYTE, Calculated in the following way:

1. CRC initialised to zero

2. CRC rotated to the left by one bit

3. CRC = CRC + block bytes

The process is repeated starting from point 2. for all the block bytes, excluding CRC..

NOTE:

The CRC must be subjected to an operation of

The difference is shown in the following example:

byte value: 10100010 shifting : 1 <= 0100010 <= 0 rotating: 1 1 <= 0100010 <= 1

A block can contain a maximum of 90 data bytes. A block which does not contain data bytes is formed solely by ADDRESS TO + ADDRESS FROM + COMMAND + LENGTH + CRC CHECKSUM, with LENGTH value equal to zero.

rotation to the left

and not just a simple

shift

operation.

3.2.4. COMMUNICATION SPEED

The millennium series instruments have 4 communication speeds::

• 4800 bps

• 9600 bps

• 19200 bps

• 38400 bps

3.2.5. SERIAL PORT SETTINGS FOR RS 232 AND RS 485

Serial port settings:

• Data bits: 8

• Parity: none (no parity)

• Stop bits: 1

• Flow control: none (no control lines no xon/xoff characters used)

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3.2.6. COMMAND FORMATS

A

command

command is the return of one block with the requested data having the same command code + 128 (80H). The following command codes are available:

codice Action performed by the measuring device after receiving the command.

0 Send the 1 Send the 2 Send the 3 Receive

4,5,6,7,9,

10,13

8 11 Send events data(ML210/211/212) 12 Send 14

NOTE: the commands indicated with the term "RESERVED" are used during factory calibration and diagnosis, are

In this description, the command codes in hexadecimal and (decimal) format and the related data format are shown. The numeration of the bits is from 0 (LSB) to 15 (MSB). The numeration of the bytes received is from 0 to N, where 0 is the first byte received and N is the last.

is defined as an operating code of 1 byte specifying the type of operation required. The reply to this

type of instrument process data data logger’s data

date and time

RESERVED

Send or receive data for batch

min/max

Set set-point

protected by a special password and must not be used by the user under any circumstance.

(ML210/211/212)

(ML212)

and

version

(for all models)

(ML210/211/212)

(ML210 / ML3-F1)

of the software ( all model )

reset the enabled totalizers

( all model )

3.2.7. READING THE TYPE OF INSTRUMENT AND THE SOFTWARE VERSION

Command code: 0 Command format: ADDRESS TO + ADDRESS FROM + 00H + 00H + CRC CHECKSUM Reply data format: bytes 0..5: device name («ML 210») byte 6: software version (major number) byte 7: software version (minor number) bytes 8-9: (16 bits unsigned integer, byte 8=MSB):

hardware / software enabling flags, bit 0 = LSB, bit 15 = MSB:

bits Functions ML210/211/3f1 Functions ML212

0-2 current access level (0..7) current access level (0..7)

3 channel 1 impulses in use impulses for volume in use 4 channel 2 impulses in use duty cycle actuator type in use 5 channel 1 frequency in use frequency for flow rate in use 6 channel 2 frequency in use frequency for actuator in use 7 scale range 2 in use on/off type actuator in use 8 specific weight in use specific weight in use

9 additional output 3 present additional output 3 present 10 additional output 4 present additional output 4 present 11 output 4..20 mA 2 present output 4..20 mA 2 present 12 RS232 present input on/off n.2 present 13 batching functions active analog inputs 1 and 2 present 14 output 4..20 mA 2 present output 4..20 mA 1 present 15 RS485 present RS485 present

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EXAMPLE:

want to send the command 00H to a measuring device located at address 11H (17 decimal).The device

that interrogates the network has the address FFH (255 decimal). The block to send will be composed thus

address of the measuring device to interrogate (ADDRESS TO) | | address of the device that interrogates the network (ADDRESS FROM) | | | | command for reading TYPE of INSTRUMENT (COMMAND) | | | | | | data block length (LENGTH) | | | | | | | | checksum of the entire block (CRC CHECKSUM) | | | | | 11H FFH 00H 00H 84H

The reply from the measuring device will be the following:

address of the device that interrogated the network and which now must receive the reply (ADDRESS TO) | | address of the measuring device which sent the message (ADDRESS FROM) | | | | command for reading the TYPE of INSTRUMENT + 80H (128 dec.) (COMMAND) | | | | | | length of the data block (=10 bytes) (LENGTH) | | | | | | | | type of instrument («ML 200») | | | | | | | | | | versione software (major.minor) | | | | | | | | | | | | hardware / software enabling flags | | | | | | | | | | | | | | CRC CHECKSUM) | | | | | | | | FFH 11H 80H 0AH 4D 4C 20 32 30 30H 01 02H C0 08H 21H

The measuring device has replied that it is an ML200, that its software version is the 1.02, that it has enabled the RS485 serial port, that the output is 4..20mA and that it is using impulse emission on channel 1 (this last information is taken from the hardware / software enabling flags).

3.2.8. READING PROCESS DATA FROM ML 210

The process data is contained in a memory block which the user can request whole or in part, depending on the content of the two command control bytes. Byte 0 (offset) indicates which will be the first data byte of the block to send, whilst byte 1 specifies the number of successive data bytes we want. In this way we can obtain exactly the data we want or several pieces of data at the same time.

Command code: 01 Command format: ADDRESS TO

+ ADDRESS FROM + 01H + 02H

+ byte 0: offset – start of block to transmit + byte 1: length of block to transmit + CRC CHECKSUM

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Reply data format when the sending of the entire block is requested (byte 0 = 0 and byte 1 = 46):

bytes 0-3: (32 bit single precision IEEE floating point, MSB first) flow rate in % bytes 4-7: (32 bit single precision IEEE floating point, MSB first) flow rate scale range in t.u. bytes 8-11: (32 bit single precision IEEE floating point, MSB first) flow rate in t.u. bytes 12-16: (5 bytes ASCII) flow rate measurement unit bytes 17-19: (3 bytes ASCII) measurement unit of the counters byte 20: (8 bits integer) number of decimals after the point for totalizers display byte 21: (8 bits integer) number of decimals after the point for flow rate display bytes 22-25: (32 bit long integer, MSB first) totalizer for TOTAL volume + bytes 26-29: (32 bit long integer, MSB first) totalizer for PARTIAL volume bytes 30-33: (32 bit long integer, MSB first) totalizer for TOTAL volume - ( or ML210 dosage quantity) bytes 34-37: (32 bit long integer, MSB first) totalizer for PARTIAL volume - (or ML210 dosed quantity) bytes 38-41: (32 bit long integer, MSB first) clock expressed in minutes starting from 01-01-1992 bytes 42-43: (16 bit unsigned integer, MSB first) process flags:

bit 0 =1 if the excitation is too fast for the sensor connected bit 1 =1 if the maximum alarm is active bit 2 =1 if the minimum alarm is active bit 3 =1 if the flow rate exceeds the scale range value (overflow) bit 4 =1 if one or more output impulses are saturated (too many impulses to emit) bit 5 =1 if the measurement signal is highly disturbed or if the sensor is disconnected bit 6 =1 if the measurement tube is empty bit 7 =1 if the circuit powering the coils is not working or the sensor is disconnected bit 8 =1 if the second measurement scale is active bit 9 =1 if the flow rate is lower than the cut-off threshold bit10=1 if the flow rate is negative bit11=1 if a new measurement value calculated for the display is available bit12=1 if the counter block signal is active bit13=1 if dosing is in progress

bit14=1 if a calibration cycle is in progress bit15=1 if a flow rate simulation is in progress

byte 44: (8 bits integer) measurement samples per second (Hz) byte 45: (8 bits integer) measurement dynamic variation as a %

To request the transmission of a single parameter, assign the values of byte 0 and byte 1 in the request as follows, bearing in mind that the data in the memory block has fixed positions:

PARAMETER TO READ Byte 0 Byte 1 Flow rate in % 0 4 Scale range of the flow rate in technical units 4 4 Flow rate in technical units 8 4 Flow rate measurement unit 12 5 Totalizers measurement unit 17 3 Decimal figures for the totalizers 20 1 Decimal figures for flow rate display 21 1 Totalizer for TOTAL volume + 22 4 Totalizer for PARTIAL volume + 26 4 Totalizer for TOTAL volume - (or dosage quantity) 30 4 Totalizer for PARTIAL volume -(or dosed quantity) 34 4 Date and time in minutes 38 4 Process flags 42 2 Measurement samples per second in Hz 44 1 Measurement dynamic variation in % 45 1

NOTES: The values in the “32 bits single precision IEEE floating point” format are floating point numbers which can

be represented during writing by any decimal digits. To keep the same numerical format visible on the instrument display however, it is necessary to calculate the decimal figures with a rather complex algorithm which takes account of instrument precision, flow rate measurement unit, etc. For this purpose

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and to avoid useless calculations, the number of decimals to use to represent the flow rate values is supplied separately (byte position 21).

The counters are expressed with a 32 bit integer. The «counter decimal figures» parameter, indicates the point position starting from the right: 0 = no decimal, 1=1 decimal figure, and so on. The date and time are expressed with a 32 bit integer containing the number of minutes elapsed since 01-01-1992. To calculate the date starting from this number, see the programming examples at the end of this manual.

3.2.9. READING PROCESS DATA FROM ML 211

This command is similar to the preceding one and differs from it only for the quantity of the data given.

Command code: 01 Command format: ADDRESS TO

+ ADDRESS FROM + 01H + 02H + byte 0: offset – start of block to transmit + byte 1: length of block to transmit

+ CRC CHECKSUM

Reply data format when the sending of the entire block is requested (byte 0 = 0 and byte 1 = 78):

bytes 0-3: (32 bit single precision IEEE floating point, MSB first) flow rate in % bytes 4-7: (32 bit single precision IEEE floating point, MSB first) flow rate scale range in t.u. bytes 8-11: (32 bit single precision IEEE floating point, MSB first) flow rate in t.u. bytes 12-16: (5 bytes ASCII) flow rate measurement unit bytes 17-19: (3 bytes ASCII) measurement unit of the counters byte 20: (8 bits integer) number of decimals after the point for volume totalizers display

byte 21: (8 bits integer) number of decimals after the point for flow rate display

bytes 22-25: (32 bits long integer, MSB first) totalizer for volume + bytes 26-29: (32 bits long integer, MSB first) totalizer for volume bytes 30-33: (32 bits long integer, MSB first) totalizer for energy + bytes 34-37: (32 bits long integer, MSB first) totalizer for energy bytes 38-41: (32 bit long integer, MSB first) clock expressed in minutes starting from 01-01-1992 bytes 42-44: 3 x (8 bits unsigned char) 3 bytes of process flags:

byte 0:

bit 0 =0 (not used) bit 1 =1 if the flow rate is lower than the cut-off threshold

bit 2 =1 if the flow rate is negative bit 3 =1 if a new measurement value calculated for the display is available bit 4 =1 if the counter block signal is active

bit 5 =0 (non used)

bit 6 =1 if a calibration cycle is in progress bit 7 =1 if a flow rate simulation is in progress

byte 1:

bit 0 =1 if the temperature sensors are disconnected or broken

bit 1 =1 if the maximum alarm for the flow rate is active bit 2 =1 if the minimum alarm for the flow rate is active

bit 3 =1 if a measure exceeds the scale range value (overflow) bit 4 =1 if one or more output impulses are saturated (too many impulses to emit)

bit 5 =1 if the measurement signal is highly disturbed or if the sensor is disconnected bit 6 =1 if the measurement tube is empty bit 7 =1 if the circuit powering the coils is not working or the sensor is disconnected

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byte 2:

bit 0 =1 if the maximum alarm for the thermal power is active bit 1 =1 if the minimum alarm for the thermal power is active bit 2 =1 if the maximum alarm for the delta T is active

bit 3 =1 if the minimum alarm for the delta T is active bit 4 =1 if the maximum alarm for the temperature T1 is active bit 5 =1 if the minimum alarm for the temperature T1 is active bit 6 =1 if the maximum alarm for the temperature T2 is active

bit 7 =1 if the minimum alarm for the temperature T2 is active

byte 45: (8 bits integer) number of measure samples per second (hertz) bytes 46-49: (32 bits single precision IEEE floating point, MSB first) thermal power in % bytes 50-53: (32 bits single precision IEEE floating point, MSB first) full scale thermal power in t.u. bytes 54-57: (32 bits single precision IEEE floating point, MSB first) thermal power in t.u. bytes 58-62: (5 bytes ASCII) measure unit for the thermal power bytes 63-66: (4 bytes ASCII) measure unit for the thermal energy byte 67: (8 bits integer) number of decimals after the point for energy totalizers display byte 68: (8 bits integer) number of decimals after the point for thermal power display byte 69: (8 bits integer) measure unit for the temperature (C or F degrees) bytes 70-73: (32 bits single precision IEEE floating point, MSB first) delta T value in t.u. bytes 74-77: (32 bits single precision IEEE floating point, MSB first) T1 temperature in t.u. bytes 78-81: (32 bits single precision IEEE floating point, MSB first) T2 temperature in t.u.

To request the transmission of a single parameter, assign the values of byte 0 and byte 1 in the request as follows, bearing in mind that the data in the memory block has fixed positions:

PARAMETRO DA LEGGERE Byte 0 Byte 1 Flow rate in % 0 4 Full scale flow rate 4 4 Flow rate in technical units 8 4 Measure unit for the flow rate 12 5 Measure unit for the volume totalizers 17 3 Number of decimal digit after the point for volume totalizers 20 1 Number of decimal digit after the point for the flow rate 21 1 Totalizer for volume + 22 4 Totalizer for volume - 26 4 Totalizer for thermal energy + 30 4 Totalizer for thermal energy - 34 4 Time and date expressed in minutes 38 4 Process flags 42 3 Number of samples per second in Hz 45 1 Thermal power in % 46 4 Full scale thermal power in t.u. 50 4 Thermal power in t.u. 54 4 Measure unit for the thermal power 58 5 Measure unit for the thermal energy 60 3 Number of decimal digit after the point for energy totalizers 63 1 Number of decimal digit after the point for the th. power 64 1 T in technical units 65 1 Delta T in t.u. 66 4 T1 value in t.u. 70 4 T2 value t.u. 74 4

NOTE: For the numeric representations and the number of decimal digits, see the preceding point.

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3.2.10. READING PROCESS DATA FROM ML212

This command is similar to the preceding one and differs from it only for the quantity of the data given.

Command code: 01 Command format: ADDRESS TO

+ ADDRESS FROM + 01H + 02H + byte 0: offset – start of block to transmit + byte 1: length of block to transmit

+ CRC CHECKSUM

Reply data format when the sending of the entire block is requested (byte 0 = 0 and byte 1 = 59):

bytes 0-3: (32 bit single precision IEEE floating point, MSB first) flow rate in % bytes 4-7: (32 bit single precision IEEE floating point, MSB first) flow rate scale range in t.u. bytes 8-11: (32 bit single precision IEEE floating point, MSB first) flow rate in t.u. bytes 12-16: (5 bytes ASCII) flow rate measurement unit bytes 17-19: (3 bytes ASCII) measurement unit of the counters byte 20: (8 bits integer) number of decimals after the point for volume totalizers display

byte 21: (8 bits integer) number of decimals after the point for flow rate display

bytes 22-25: (32 bits long integer, MSB first) totalizer for volume + bytes 26-29: (32 bits long integer, MSB first) totalizer for volume -

bytes 30-33: (32 bits long integer, MSB first) totalizer for actuator closing pulses bytes 34-37: (32 bits long integer, MSB first) totalizer for actuator opening pulses bytes 38-41: (32 bit long integer, MSB first) clock expressed in minutes starting from 01-01-1992 bytes 42-43: (16 bit unsigned integer, MSB first) process flags:

bit 0 =1 if the deviation alarm is active bit 1 =1 if the maximum alarm is active bit 2 =1 if the minimum alarm is active bit 3 =1 if the flow rate exceeds the scale range value (overflow) bit 4 =1 if one or more output impulses are saturated (too many impulses to emit) bit 5 =1 if the measurement signal is highly disturbed or if the sensor is disconnected bit 6 =1 if the measurement tube is empty bit 7 =1 if the circuit powering the coils is not working or the sensor is disconnected bit 8 =1 if the measure sample rate is too high for the sensor bit 9 =1 if the flow rate is lower than the cut-off threshold bit10=1 if the flow rate is negative bit11=1 if a new measurement value calculated for the display is available bit12=1 if the counter block signal is active bit13=1 if the actuator positioning alarm is active

bit14=1 if a calibration cycle is in progress bit15=1 if a flow rate simulation is in progress

byte 44: (8 bits integer) measurement samples per second (Hz)

byte 45: (8 bits integer) measurement dynamic variation as a %

bytes 46-49: (32 bits single precision IEEE floating point, MSB first) set-point value in % bytes 50-53: (32 bits single precision IEEE floating point, MSB first) regulator output value in % bytes 54-57: (32 bits single precision IEEE floating point, MSB first) deviation value in % byte 58: (1 byte ASCII) regulator status flags:

bit 0 =1 if the regulator is in “manual” mode bit 1 =1 if the regulator output is inverted bit 2 =1 if the regulator output is in “safety” state bit 3 =1 if the deviation alarm is active bit 4 =1 if the actuator alarm is active

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bit 5 =1 if the measure at the AIN1 input is out of range

bit 6 =1 if the measure at the AIN1 input is out of range

To request the transmission of a single parameter, assign the values of byte 0 and byte 1 in the request as follows, bearing in mind that the data in the memory block has fixed positions:

PARAMETER TO READ Byte 0 Byte 1 Flow rate in % 0 4 Full scale flow rate 4 4 Flow rate in technical units 8 4 Measure unit for the flow rate 12 5 Measure unit for the volume totalizers 17 3 Number of decimal digit after the point for volume totalizers 20 1 Number of decimal digit after the point for the flow rate 21 1 Totalizer for volume + 22 4 Totalizer for volume - 26 4 Totalizer for actuator closing impulses 30 4 Totalizer for actuator opening impulses 34 4 Date and time in minutes 38 4 Process flags 42 2 Measurement samples per second in Hz 44 1 Measurement dynamic variation in % 45 1 Set-point value in % 46 4 Regulator output value in % 50 4 Deviation value in % 54 4 Regulator status flags 58 1

NOTE: For the numeric representations and the number of decimal digits, see the preceding point.

3.2.11. READING PROCESS D ATA FROM ML 3F1

The process data is contained in a memory block which the user can request whole or in part, depending on the content of the two command control bytes. Byte 0 (offset) indicates which will be the first data byte of the block to send, whilst byte 1 specifies the number of successive data bytes we want. In this way we can obtain exactly the data we want or several pieces of data at the same time..

Command code: 01 Command format: ADDRESS TO

+ ADDRESS FROM + 01H + 02H

+ byte 0: offset – start of block to transmit + byte 1: length of block to transmit + CRC CHECKSUM

Reply data format when the sending of the entire block is requested (byte 0 = 0 and byte 1 = 46):

bytes 0-3: (32 bit single precision IEEE floating point, MSB first) flow rate in % bytes 4-7: (32 bit single precision IEEE floating point, MSB first) flow rate scale range in t.u. bytes 8-11: (32 bit single precision IEEE floating point, MSB first) flow rate in t.u. bytes 12-16: (5 bytes ASCII) flow rate measurement unit bytes 17-19: (3 bytes ASCII) measurement unit of the counters byte 20: (8 bits integer) number of decimals after the point for totalizers display byte 21: (8 bits integer) number of decimals after the point for flow rate display bytes 22-25: (32 bit long integer, MSB first) totalizer 1 bytes 26-29: (32 bit long integer, MSB first) totalizer 2 bytes 30-33: (32 bit long integer, MSB first) everytime to 0

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bytes 34-37: (32 bit long integer, MSB first) everytime to 0

bytes 38-41: (32 bit long integer, MSB first) everytime to 0 bytes 42-43: (16 bit unsigned integer, MSB first) process flags

bit 0 =1 if the excitation is too fast for the sensor connected bit 1 =1 if the maximum alarm is active bit 2 =1 if the minimum alarm is active bit 3 =1 if the flow rate exceeds the scale range value (overflow) bit 4 =1 if one or more output impulses are saturated (too many impulses to emit) bit 5 =1 if the measurement signal is highly disturbed or if the sensor is disconnected bit 6 =1 if the measurement tube is empty bit 7 =1 if the circuit powering the coils is not working or the sensor is disconnected

bit 8 =1 if the second measurement scale is active bit 9 =1 if the flow rate is lower than the cut-off threshold bit10=1 if the flow rate is negative bit11=1 if a new measurement value calculated for the display is available bit12=1 if the counter block signal is active bit13=1 if dosing is in progress

bit14=1 if a calibration cycle is in progress bit15=1 if a flow rate simulation is in progress

byte 44: (8 bits integer) measurement samples per second (Hz)

byte 45: (8 bits integer) measurement dynamic variation as a %

To request the transmission of a single parameter, assign the values of byte 0 and byte 1 in the request as follows, bearing in mind that the data in the memory block has fixed positions:

PARAMETRO DA LEGGERE Byte 0 Byte 1 Flow rate in % 0 4 Scale range of the flow rate in technical units 4 4 Flow rate in technical units 8 4 Flow rate measurement unit 12 5 Totalizers measurement unit 17 3 Decimal figures for the totalizers 20 1 Decimal figures for flow rate display 21 1 Totalizer for T1 22 4 Totalizer for T2 26 4 Process flags 42 2 Measurement samples per second in Hz 44 1 Measurement dynamic variation in % 45 1

NOTES: The values in the “32 bits single precision IEEE floating point” format are floating point numbers which can

be represented during writing by any decimal digits. To keep the same numerical format visible on the instrument display however, it is necessary to calculate the decimal figures with a rather complex algorithm which takes account of instrument precision, flow rate measurement unit, etc. For this purpose and to avoid useless calculations, the number of decimals to use to represent the flow rate values is supplied separately (byte position 21).

The counters are expressed with a 32 bit integer. The «counter decimal figures» parameter, indicates the

point position starting from the right: 0 = no decimal, 1=1 decimal figure, and so on.

The date and time are expressed with a 32 bit integer containing the number of minutes elapsed since 0101-1992. To calculate the date starting from this number, see the programming examples at the end of this manual.

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3.2.12. SETTING THE SET-POINT OF THE ML212

With this command it is possible to send the set-point value in % format to the ML202. If the value is positive, this is intended as REMOTE set-point value and must be refreshed continuously. The maximum time between two refreshes it is regulated by the same timer used to signal the deviation alarm condition and thus it is freely changeable. If the value sent is negative, it is considered as LOCAL set-point value and in this case it is not necessary to refresh it continuously. In any cases the regulator receives the absolute value of the number sent.

Command code: 14 Command format: ADDRESS TO

+ ADDRESS FROM + 0EH + 04H

+ 32 bits IEEE floating point containing the set-point value in % + CRC CHECKSUM

The same number is returned as answer by the ML212

3.2.13. READING THE INTERNAL DATA-LOGGER DATA OF ML210 / 211 / 212

The data logger can be read one record at a time with this command. If we assign the value AAH to the byte specifying the address (byte 0), the data logger is cancelled. If we request the address of a record not present in the memory, the returned data has no sense. For this purpose we recommend starting from the request for record 0 and to check the number of records present in the memory which is returned by the measuring device.

Command code : 02 Command format: ADDRESS TO

+ ADDRESS FROM + 02H + 01H

+ byte 0: index of the data logger data to read, AAH to cancel the entire content + CRC CHECKSUM

Reply data format in the case where there are registrations present:

byte 0: (8 bits integer) number of record requested

byte 1: (8 bits integer) total number of records present in the memory bytes 2-5: (32 bits long integer, MSB first) data saving time and date expressed in minutes starting from 01-01-

1992 bytes 6-9: (32 bits long integer, MSB first) data counted + bytes 10-13: (32 bits long integer, MSB first) data counted bytes 14-17: (32 bits single precision IEEE floating point, MSB first) portata in u.t. bytes 18-20: (3 bytes ASCII) (3 bytes ASCII) counter measurement unit byte 21: (8 bits integer) number of decimal figures after the point for counter display bytes 22-26: (5 bytes ASCII) flow rate t.u.

byte 27: (8 bits integer) number of decimal figures after the point for flow rate

Reply data format in the case where registrations are NOT present or the data logger is disabled

byte 0: (8 bits integer) requested record number byte 1: (8 bits integer) total number of records present in the memory

Reply data format in the case where the AAH cancellation code is sent:

byte 0: (8 bits integer) AAH code.

NOTE: The time and date of sample collection is expressed in minutes starting from 01/01/1992. For conversion, see

the programming examples at the end of this manual.

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3.2.14. READING THE EVENTS ON INTERNAL DATA-LOGGER DATA OF ML210 / 211 / 212

The data logger can be read one record at a time with this command. If we assign the value AAH to the byte specifying the address (byte 0), the data logger is cancelled. If we request the address of a record not present in the memory, the returned data has no sense. For this purpose we recommend starting from the request for record 0 and to check the number of records present in the memory which is returned by the measuring device..

Command code : 11 Command format: ADDRESS TO

+ ADDRESS FROM + 0BH + 01H

+ byte 0: index of the data logger data to read, AAH to cancel the entire content + CRC CHECKSUM

Reply data format in the case where there are registrations present:

byte 0: (8 bits integer) number of record requested byte 1: (8 bits integer) total number of records present in the memory bytes 2-5: (32 bits long integer, MSB first) data saving time and date expressed in minutes starting

from 01-01-1992

bytes 6-9: (32 bits long integer, MSB first) flags events

bit 00: error sensor RTD / batch alarm bit 01: alarm max flow bit 02: alarm min flow bit 03: alarm overflow bit 04: alarm overflow pulse bit 05: input error bit 06: pipe empty bit 07: coils interrupt bit 08: alarm max t. power bit 09: alarm min t. power bit 10: alarm max delta T bit 11: alarm min delta T bit 12: alarm max T1 bit 13: alarm min T1 bit 14: alarm max T2 bit 15: alarm min T2 bit 16: current loop open bit 17: power supply error

Code 000300FFH or 0003FFFFH = means converter switch on

Reply data format in the case where registrations are NOT present or the data logger is disabled

byte 0: (8 bits integer) requested record number byte 1: (8 bits integer) total number of records present in the memory

Reply data format in the case where the AAH cancellation code is sent:

byte 0: (8 bits integer) AAH code.

NOTE: The time and date of sample collection is expressed in minutes starting from 01/01/1992. For conversion, see

the programming examples at the end of this manual.

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3.2.15. READING THE MAX-MIN ON INTERNAL DATA-LOGGER DATA OF ML210

The data logger can be read one record at a time with this command. If we assign the value AAH to the byte specifying the address (byte 0), the data logger is cancelled. If we request the address of a record not present in the memory, the returned data has no sense. For this purpose we recommend starting from the request for record 0 and to check the number of records present in the memory which is returned by the measuring device..

Command code: 12 Command format: ADDRESS TO

+ ADDRESS FROM + 0CH + 01H

+ byte 0: index of the data logger data to read, AAH to cancel the entire content + CRC CHECKSUM

Reply data format in the case where there are registrations present:

bytes 0-3:(32 bits IEEE floating point, MSB first) MAX FLOW RATE IN T.U. bytes 4-7:(32 bits IEEE floating point, MSB first) MIN FLOW RATE IN T.U.

3.2.16. LETTURA VALORI MIN-MAX DEL LOGGER INTERNO DI ML211

The data logger can be read one record at a time with this command. If we assign the value AAH to the byte specifying the address (byte 0), the data logger is cancelled. If we request the address of a record not present in the memory, the returned data has no sense. For this purpose we recommend starting from the request for record 0 and to check the number of records present in the memory which is returned by the measuring device..

Command code: 12 Command format: ADDRESS TO

+ ADDRESS FROM + 0CH + 01H

+ byte 0: index of the data logger data to read, AAH to cancel the entire content + CRC CHECKSUM

Reply data format in the case where there are registrations present :

bytes 0-3:(32 bits IEEE floating point, MSB first) MAX FLOW RATE IN T.U. bytes 4-7:(32 bits IEEE floating point, MSB first) MIN FLOW RATE IN T.U. bytes 8-11:(32 bits IEEE floating point, MSB first) MAX T. POWER IN T.U. bytes 12-15:(32 bits IEEE floating point, MSB first) MIN T. POWER IN T.U. bytes 16-19:(32 bits IEEE floating point, MSB first) deltaT MAX IN T.U. bytes 20-23:(32 bits IEEE floating point, MSB first) deltaT MIN IN T.U. bytes 24-27:(32 bits IEEE floating point, MSB first) T1 MAX IN T.U. bytes 28-31:(32 bits IEEE floating point, MSB first) T1 MIN IN T.U. bytes 32-35:(32 bits IEEE floating point, MSB first) T1 MAX IN T.U. bytes 36-39:(32 bits IEEE floating point, MSB first) T1 MIN IN T.U.

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3.2.17. WRITING THE DATE AND TIME OR RESET THE ENABLED TOTALIZERS

Codice comando: 03 Formato comando: ADDRESS TO

+ ADDRESS FROM + 03H + 04H + 32 bits long integer containing the date and time expressed in minutes starting from 01-01-

1992, or the value FFFFFFFFH to reset the totalizers the most significant byte must be sent first.

+ CRC CHECKSUM

Reply data format: the same block is returned containing the current clock value in minutes. If the value sent is

outside the limits, (date beyond 31-12-2091), the clock restarts from 01-01-1992. In case of totalizers reset, the same value FFFFFFFFH is returned.

3.2.18. SEND / RECEVE BATCH PROCESS DATA ML210 /ML 3F1

The batch data can be read or written with the command described below. Th command contains an OPCODE byte specifying the operation type to be done on the selected batch data. With these commands one of the 16 batch memories can be written, read or it can be set as active batch process. Once set a selected batch memory, it will be possible start, stop or reset the batch process. To set a batch memory as active batch process, a write or read command can be used indifferently, but the bit 6 of the OPCODE must be set to 1

– Command for reading a batch data memory:

Command code: 08 Command format: ADDRESS TO

+ ADDRESS FROM + 08H + 01H (1 DECIMALE) + OPCODE byte, operation code:

bits 0..4 = number of the batch memory to be read (0..15) bit 5 = must be set to zero bit 6 = 1 if this batch memory must be set as active batch process, 0 if this batch

memory is to be read only.

bit 7 = must be set to zero

+ CRC CHECKSUM

Format of the returned data: 16 bytes containing the batch data for the selected memory:

bytes 0-7: (8 bytes ASCII) memory batch name (allowed characters: 0..9, a..z, A..Z, space (32 DEC, 20 HEX)) bytes 8-9: (2 bytes 16 bit unsigned integer, MSB first) number of batch processes done for this batch memory. bytes 10-11: (2 bytes 16 bit unsigned integer, MSB first) value of the safety batch timer expressed in tenths of

seconds.

bytes 12-15: (4 bytes 32 bits unsigned long integer, MSB first) batch quantity value expressed in the same units and

with the same decimal digits of the volume counters.

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– Comando per scrivere i dati su una memoria di dosaggio:

Command code: 08 Command format: ADDRESS TO

+ ADDRESS FROM + 08H + 11H (17 DECIMAL) + OPCODE byte, operation code:

bits 0..4 = number of the batch memory to be written (0..15) bit 5 = must be set to one bit 6 = 1 if this batch memory must be set as active batch process, 0 if this batch

memory is to be written only.

bit 7 = must be set to zero

+ 16 bytes of data to be written on the batch memory:

bytes 0-7: (8 bytes ASCII) batch memory name (allowed characters: 0..9, a..z, A..Z, space

(32 DEC, 20 HEX))

bytes 8-9: (2 bytes 16 bit unsigned integer, MSB first) number of batch processes done for

this batch memory.

bytes 10-11: (2 bytes 16 bit unsigned integer, MSB first) value of the batch safety timer

expressed in tenths of seconds.

bytes 12-15: (4 bytes 32 bits unsigned long integer, MSB first) batch quantity value

expressed in the same units and with the same decimal digits of the volume counters.

+ CRC CHECKSUM

Format of the returned data: 16 bytes containing the same batch data for the selected memory sent (if there were any characters or values not allowed, they are corrected to the right values). The data format are the same of the precedent function.

c) - Command for reading the current batch process state:

Command code: 08 Command format: ADDRESS TO

+ ADDRESS FROM + 08H + 01H (1 DECIMAL) + OPCODE byte = 80H (128 DECIMAL)

+ CRC CHECKSUM

Format of the returned data: 1 byte containing the batch process state:

0 = batch process is correctly terminated (pre-set quantity reached). 1 = batch process is running (the valve is opened and the counters are running). 2 = batch process is suspended (the valve is closed before the pre-set quantity is reached).

d) - Command for starting or suspending the current batch process:

Command code: 08 Command format: ADDRESS TO

+ ADDRESS FROM + 08H + 01H (1 DECIMAL) + OPCODE byte = 81H (129 DECIMAL)

+ CRC CHECKSUM

Format of the returned data: 1 byte containing the batch process state as described above.

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e) - Command for resetting the current batch process:

Command code: 08 Command format: ADDRESS TO

+ ADDRESS FROM + 08H + 01H (1 DECIMAL) + OPCODE byte = 82H (130 DECIMAL)

+ CRC CHECKSUM

Format of the returned data: 1 byte containing the batch process state as described above. This command resets the dosing quantity and the safety timer counters.

3.3. ETP PROTOCOL (ENCAPSULATED TRANSFER PROTOCOL)

3.3.1. INTRODUCTION

The ETP is a protocol owner of the converter that has the function of the read and set the parameters of the converter through formatted strings of characters.

3.3.2. DATA WORD FORMAT

The data bytes travelling in serial form on the communication line are enclosed in 10 bits:

1 START BIT 8 DATA BITS = 1 BYTE DI DATI 1 STOP BIT

Each word contains one byte of data plus additional bits which serve to synchronise and make the communication safer. These extra bits are added automatically in the transmission phase by the transmitter integrated circuit. In the reception phase, the reverse operation is executed by the receiver integrated circuit: the eight data bits are extracted and the others are eliminated. These operations are executed entirely on a hardware level. The 8 data bits must be serialised staring from bit 0 (the least significant one).

words

which have a fixed length of

3.3.3. COMMUNICATION SPEED

The millennium series instruments have 4 communication speeds::

• 4800 bps

• 9600 bps

• 19200 bps

• 38400 bps

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3.3.4. SERIAL PORT SETTINGS FOR RS 232 AND RS 485 PORT

Serial port settings:

• Data bits: 8

• Parity: none (no parity)

• Stop bits: 1

• Flow control: none (no control lines no xon/xoff characters used)

3.3.5. GENERAL INPUT SYSNTAX

The information are entered as text line strings, with one or more command-sequences terminated by the <CR> character. The command-sequences are executed in the same order as they are found in the string. The execution of the commands contained in the input string does not start until the <CR> character is received. The optional <LF> character that may follows the <CR> is not considered but it is accepted because usually the Hyper-Terminal or similar application sends also this extra character when the <CR> is sent. As a rule, an input string is composed of one or more command-sequences, terminated by the <CR> character and an optional <LF> character.

The command-sequence is composed by the following elements, exactly in this order:

A five-letter mnemonic command, always present An operator, always present An optional value, present only when requested by the operator type An optional comment-separator, may be present if it is also present the value A comment, present only if it is also present the comment-separator An optional command-separator, present only if another command-sequence follows it

With the exception of the comment element, no other extra characters or spaces are allowed in the commandsequence.

Command: The commands are always represented by a five-letters mnemonic code and are case insensitive, so for example the command MODSV can be written “MODSV”, “Modsv”, “modsv”, “mOdSv” and in any combination of upper / lower case letters.

Operator: The operators permit to choose one of the three possible functions associated to the command at which they are attached and they are:

READ, indicated by the ? symbol. It is used to read values. SET, indicated by the = symbol. It is used to set values. HELP, indicated by the =? sequence of symbols. It is used to display a set of options or a range of permissible values related to the command.

Value: The values can be numbers, strings or special formatted fields like the date / time or the IP addresses, depending on what it is expected by the command. Numeric values are always checked for validity range and strings are checked for length.

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IP addresses and date / time fields are checked only for the correct syntax but not for the values, so please be careful, because in case of misspelled characters or wrong numeric values the result may be different from what it is expected. In case of floating-point numbers, the decimal point symbol to be used is the dot (.), not the comma (,).

Comment-separator: This is an optional element and it is indicated by the “:” symbol.

Comment: This element may be present only when the value to input belongs to a list of options, composed by

numbers and descriptions. Normally the user doesn’t have to supply both, but in case of copying and pasting some values coming from a previously listed configuration, this ensures the full compatibility between the output and the input formats.

Command-separator: This element is required when more than one command-sequence is submitted in an input string and it is indicated with the “,” symbol. For each command-sequence recognized and executed, the converter returns one of the following output types, depending on it:

a result code, when a function execution was requested an expression, when a parameter or a process data value was requested a list of options or a range of values, when an help on a parameter was requested

Each answer is separated from the other by the comma symbol (the same used as command-separator). The complete output string is terminated by a <CR><LF> sequence. Unrecognized command-sequences are silently discarded without response and without halting the execution of the next sequence, if it is present. Illegal parameter’s values and operations performed in wrong contexts are reported and identified by error codes.

Result-code: The format of the results is the following: code-number:description, without any blank spaces separating the number from the description.

There are six possible result-codes:

0:OK, the execution was correct 1:CMD ERR, wrong context, execution was not possible due to a configuration limit or wrong working conditions 2:PARAM ERR, the expected parameter was out of the allowed range 3:EXEC ERR, the execution of the command was not successful due to an internal error condition 4:RANGE ADJ, the entered parameter caused an internal automatic adjustment on other ranges 5:ACCESS ERR, the execution of the command was not possible due to an insufficient privilege level 6:BUFFER FULL, the input or the output strings exceed the maximum allowable space.

3.3.6. SPECIAL CHARACTERS

The following characters have special meaning in the protocol and thus they can’t be used for other purposes:

<CR> carriage-return character, value 13 decimal, 0D hexadecimal, terminates the input string and starts the elaboration <LF> line-feed character, value 10 decimal, 0A hexadecimal, may follows the <CR> but it is never considered ? question mark character, value 63 decimal, 3F hexadecimal, it is an operator character = equal sign character, value 61 decimal, 3D hexadecimal, it is another operator character : colon character, value 58 decimal, 3A hexadecimal, it is the comment-separator character , comma character, value 44 decimal, 2C hexadecimal, it is the command-separator character

3.3.7. ACCESS CODE FOR FUNCTION WITH PRIVILEGE LEVEL

The access and the changing of some parameters can made only after the inserting of a level code. This can made sending an access code corresponding to the level L2 as first command before inserting the command.

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The syntax for inserting the code is: “ACODE=n” with n=access code L2 The lifecycle of the code is limited at the execution of the string command that following the code. After the acquisition of the command the access level return at default status. Is necessary to insert the code level every time the command or the list of the command request the insertion of the code access greater than the default level. If the level L2 of the converter is set to 0, then is not necessary to insert the code L2. When the access code is not sufficient for the command, the converter return the following error code:

5:ACCESS ERR

Example of string with command for code level L2=12345 and command for reading model a software version of the converter:

“ACODE=12345,MODSV?” + chr(13)

3.3.8. DATA BLOCK FORMAT

Communication takes place through data blocks or packs of variable length which do not exceed 256 bytes overall. A data block or pack is composed thus::

 ADDRESS TO, Containing the address of the device the block is sent to;  ADDRESS FROM, Containing the address of the device which sent the block;  BLOCK CODE, Containing the code that it indicates if after this block given there is a successive block;  BLOCK LENGTH, Containing the length of the data block in bytes  BLOCK DATA, The block of data of variable length from zero to 250 bytes  CRC CHECKSUM BYTE, Calculated in the following way:

4. CRC initialised to zero

5. CRC rotated to the left by one bit

6. CRC = CRC + block bytes

The process is repeated starting from point 2. for all the block bytes, excluding CRC..

NOTE:

The CRC must be subjected to an operation of

The difference is shown in the following example:

byte value: 10100010 shifting : 1 <= 0100010 <= 0 rotating: 1 1 <= 0100010 <= 1

NOTE:

The code to insert in BLOCK CODE can have the following values:

91 decimal (5B hex) Insert 90 decimal when BLOCK DATA length is smaller or equal to 250 characters

If the length of the block data is greater than 250 characters, split the block data in packets of 250

Every packets with BLOCK DATA of 250 characters have BLOCK CODE equal to 91 dec.

The last block of data with numbers of byte smaller or equal to 250 have BLOCK CODE with 90 dec.

90 decimal (5A hex)

characters.

rotation to the left

and not just a simple

shift

operation.

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3.3.9. EXAMPLE OF ETP COMAND

Reading model and software version of the converter:

mnemonic: MODSV

syntax of the command: “MODSV?”

list of the bytes and corresponding values of the command:

byte 0: address to = chr(0) byte 1: address from = chr(170) byte 2: block code = chr(90) (length of the next data block smaller than 250 characters) byte 3: length = chr(7) (length of the next data block) byte 4: block data = chr(77) = ‘M’ byte 5: block data = chr(79) = ‘O’ byte 6: block data = chr(68) = ‘D’ byte 7: block data = chr(83) = ‘S’ byte 8: block data = chr(86) = ‘V’ byte 9: block data = chr(63) = ‘?’ byte 10: carriage-return <CR> = chr(13) byte 11: checksum = chr(239)

List of the bytes to send to the converter in hexadecimal format:

chr(0x00) + chr(0xAA) + chr(0x5A) + chr(0x08) + chr(0x4D) + chr(0x4F) + chr(0x44) + chr(0x53) + chr(0x56) + chr(0x3F) + chr(0x0D) + chr(0xEF)

3.3.10. EXAMPLE OF RESPONSE FOR PRECECDENT ETP COMAND

Header string response:

byte 0 = chr(170) byte 1 = chr(0) byte 2 = chr(218) 218 dec = 0xDA hex (code 218 = length of the next data block smaller than 250 characters) byte 3 = chr(29) number of characters of the data block = 29 bytes

Body string response:

byte 4 = 77 chr(77) = ‘M’ char 1 byte 5 = 76 chr(76) = ‘L’ char 2 byte 6 = 32 chr(32) = ‘ ’ char 3 byte 7 = 50 chr(50) = ‘2’ char 4 byte 8 = 49 chr(49) = ‘1’ char 5 byte 9 = 48 chr(48) = ‘0’ char 6 byte 10 = 32 chr(32) = ‘ ’ char 7 byte 11 = 86 chr(86) = ‘V’ char 8 byte 12 = 69 chr(69) = ‘E’ char 9 byte 13 = 82 chr(82) = ‘R’ char 10 byte 14 = 46 chr(46) = ‘.’ char 11 byte 15 = 51 chr(51) = ‘3’ char 12 byte 16 = 46 chr(46) = ‘.’ char 13 byte 17 = 54 chr(54) = ‘6’ char 14 byte 18 = 48 chr(48) = ‘0’ char 15 byte 19 = 32 chr(32) = ‘ ’ char 16 byte 20 = 77 chr(77) = ‘M’ char 17 byte 21 = 97 chr(97) = ‘a’ char 18 byte 22 = 121 chr(121) = ‘y’ char 19

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byte 23 = 32 chr(32) = ‘ ’ char 20 byte 24 = 49 chr(49) = ‘1’ char 21 byte 25 = 53 chr(53) = ‘5’ char 22 byte 26 = 32 chr(32) = ‘ ’ char 23 byte 27 = 50 chr(50) = ‘2’ char 24 byte 28 = 48 chr(48) = ‘0’ char 25 byte 29 = 48 chr(48) = ‘0’ char 26 byte 30 = 55 chr(55) = ‘7’ char 27 byte 31 = 13 chr(13) = char 28 byte 32 = 10 chr(10) = char 29

byte 33 = 247 checksu

3.3.11. COMUNICATION

The above mentioned communication protocol is used to exchange data between one unit defined as the MASTER and another unit defined as the SLAVE.

The term MASTER is used here to indicate a device capable of initiating data transmission on its own initiative.

The term SLAVE however, is used to indicate a device capable of transmitting data only in reply to a command received.

Neither of the two types of devices can receive and transmit contemporaneously: these operations take place in two different time phases.

Two MASTER type units cannot be connected together because both of the devices would begin to transmit autonomously and would never succeed in synchronizing themselves.

Analogously, two SLAVE type devices could never exchange information because neither of the two is capable of initiating communication on its own initiative.

The flow of information in both directions therefore takes place alternately using blocks containing a maximum of 95 words each. A word is composed of 10 bits in all: 1 start bit + 8 data bits + 1 stop bit.

These data blocks are received contemporaneously by all the devices connected along the communication line, but only the device with the address equal to the one contained in the data block will be the real destined.

The words comprising the block must be sent on the serial line in a continuous mode, without dead time between one word and the next. The maximum dead time permitted between two words must not exceed the duration of one word.

SLAVE type devices always generate a reply to every message sent to them and correctly received. In the case of reception errors, there is no reply. In the case of command interpretation errors (incorrect format, missing parameters, etc.) either a block without data or no reply, may be the reply depending on the case.

The that elapses between the sending of the last data word by the MASTER and the sending of the first reply word by the SLAVE can be schematized as follows:

last word transmitted by the MASTER | | reply processing: time variable from 0 to 25 milliseconds at the most | | | | time equal to 3 complete words | | | | | | first word transmitted by the SLAVE as reply | | | |

.....xxxxx| t0 | t1 |xxxxxx......

- 25 - RS232_485_ETP_MODBUS_BU_REV02.doc

Time t0 depends on the type of command sent and the type of converter it is sent to. Time t1 depends on the communication speed used. A further time t2 - equal to the word length - must be added to these two times. The integrated circuit receiver needs this time to acquire and extract the data bytes of the first word received.

For the system to work correctly, a MASTER type device must respect the following protocol:

1. block transmission with the code-command;

2. wait for the first reply word for a period of time slightly longer than t0 max. + t1 + t2;

3. reception of the rest of the reply block if arrived or the re-transmission of the block with the code - command. After a certain number of re-transmissions without reply, an error message may be generated.

The SLAVE reply must always be waited for within a certain time limit (timeout), once this time has elapsed a new block can be transmitted. If the wait time is too short, a fresh MASTER transmission may take place during the same time the SLAVE is replying, with the consequent loss of both data blocks.

If the wait time is excessive, the system could become too slow in signalling faults, especially if there are many instruments connected in the network.

In any case, a timer must be used to indicate the time limit because reply from the SLAVE cannot be trusted with certainty: in fact, this latter cannot reply in the case of line errors.

If the communication speed is 9600 bps and the format is 10 bits, the length of a word is equal to 1.042 ms. A reasonable time limit could be calculated thus:

T

= t0 max. + t1 + t2 + 1 ms = 25 + 3 x 1.042 + 1 x 1,042 + 1 = 30.17 ms.

lim

IMPORTANT NOTES: There must be a «silence» interval, equal to at least 3 complete words (30 bits), between each data

block and the successive one in transit on the serial line.Before starting transmission, to the network, activate the transmitter for a time of no less than 3 words (30 bits) and then begin to send the output characters. This is to give the devices in the network time to eliminate any false characters received when the network was not in use status.

3.3.12. SUGGESTIONS FOR RS485 INTERFACE USE

When programs are developed which use this type of interface, it is as well to make a few considerations. Firstly, we should remember that data transits both in reception and in transmission on the RS485 and that when no transmitter is enabled, the line is in a condition of relatively high impedance. Physically the RS485 interface is created by a transmitter with a differential output and by a receiver, also with a differential input. The output of the first is physically connected to the input of the second, according to the scheme shown below:

TRANS. ENABLING

TRANS INPUT REC. OUTPUT

From this scheme we can see how the transmission and reception of different data simultaneously is not possible. Each function must be activated separately with a specific software command which changes the logical status of an

- 26 - RS232_485_ETP_MODBUS_BU_REV02.doc

+

-

+

-

RS485 LINE

interface pin (the transmitter enabling signal). This is the main difference with respect to the RS232 interface normally present on PCs.

In fact, whilst with the RS232 we do not have to worry about the data traffic because it travels on two separate lines (RXD and TXD), with the RS485 there is only one line with the traffic suitably managed.

The first operation we must do therefore is to activate the transmitter and then send all the data to the communication port. Next, we have to wait until the last piece of data has gone from the port to the line and only at this point can we disables the transmitter.

The management software must also absolutely prevent two different devices on the same line from being activated for transmission at the same time: this would mean that we would have the outputs of the drivers of the two transmitters connected in parallel, with a consequent overheating of the components and a loss of information. This eventuality would not break the devices however as they are thermally protected.

On this matter it is necessary to pay extreme attention to the delay between the transmission of the last data byte (the checksum) and the effective disabling of the transmitter. This delay must be lower than the time equivalent for transmitting a 10 bit word, because after this time has elapsed, the device addressed will begin its transmission phase.

For the converter with software version 3.50 or greater, in the menu Communication is present the function A.delay.

This setting value in milliseconds, have the function to insert a delay interval for the response from the converter, so that the transmitter device have enough time to switch in receiver status.

It is also necessary to note that when the line is not piloted by any transmitter, it is in a condition of relatively high impedance and this may give rise to the reception of characters without the right meaning and possible disturbance. On this question, the communication management software must activate the transmitter a few seconds before transmission starts (typically a time of no less than the length of 3 words at the speed used) so as not to give the line a defined logical status (MARK) and to permit the receivers connected to eliminate any false characters. In the same way, during reception, it must take any such characters possibly present during line inactivity and rapidly eliminate them to prevent saturation of the reception buffers, especially so at high speeds

Furthermore, given that the receiver is anyway connected to the transmitter output, in some types of interface it is necessary to eliminate any characters possibly present, received during the transmission phase, because they are copies of what has just been sent. See the next section for some programming examples.

- 27 - RS232_485_ETP_MODBUS_BU_REV02.doc

3.3.13. FLOW CHART FOR SENDING ETP COMMAND AND RECEPTION OF THE ANSWER

Flow chart with description of the sending of an ETP command to a converter through the RS 485 port and wait cycle for the reception of the answer

The MASTER generates ETP command

The MASTER enables the transmitter

The MASTER send ETP command to the addressed SLAVE

The MASTER enable receiver - Start timer T

Packet with addresses

for other device Packet deleted

T

Reset timer

lim

No

The MASTER decode the Header answer

START

Timer T

Has it received char ?

Start timer char

Timer char expired ?

Has it received char ?

Reset timer cha r

Has received 4 bytes ?

expired ?

lim

No

Si

No

Si

The Timer has expired

Answer not received

END

- 28 - RS232_485_ETP_MODBUS_BU_REV02.doc

Another block to

receive

Note:

The timer char is set to 2.5 time the time necessary for to receive a char: 2.5 * tchar. Every time there is a char in the receive buffer the timer char is restart. If the receive buffer doesn’t receive a char in the next 2.5 * tchar, the timer char expire and the reception of data is terminated.

- 29 - RS232_485_ETP_MODBUS_BU_REV02.doc

No

The address are ok ?

Si

The MASTER read the BLOCK CODE and BLOCK LENGHT

Timer char expired ?

No

Has it received char ?

Reset timer cha r

No

Has the MASTER received

BLOCK LENGHT chars ?

The checksum is ok ?

Decoding of the answer with success

No

Is the Block code = 0xDA ?

Is this the last block

Block code = 0xDA

This is the last block

Reception completed

No

Si

END

Si

No

Packet not

complete

Bad Checksum

Packet corrupted

3.3.14. LIST OF SUPPORTED COMMANDS GROUPED SIMILARLY TO THE INTERNAL MENU

SYSTEM

NOTE ( VALID FOR ALL FUNCTIONS ) : returned value 5 = ACCESS ERR ( insufficient access

level )

COMMANDS AND FUNCTIONS EQUIVALENT TO THE “1-SENSOR” MENU

Name and description Modes Returned values or codes

PDIMV (Pipe DIaMeter Value)

Reads or sets the nominal diameter of the sensor.

CFFKA (CoeFFicient KA) Reads or

sets the value of the gain coefficient KA

SMODL (Sensor MODeL) Reads or

sets the value of the sensor model

SIPOS (Sensor Insertion POSition)

Reads or sets the value that identifies the insertion position for that type of sensor

CKLP0, CKLP1, CKLP2, CKLP3, CKLP4, CKLP5 (Coefficient KL Positive 0, 1, 2, 3, 4 an 5) Reads

- 30 - RS232_485_ETP_MODBUS_BU_REV02.doc

Read command: PDIMV?

Set command: PDIMV=

Help command: PDIMV=?

Read command: CFFKA?

Set command: CFFKA=

Help command: CFFKA=?

Read command: SMODL?

Set command: SMODL=

Help command: SMODL=?

Read command: SIPOS?

Set command: SIPOS=

Help command: SIPOS=?

Read command: CKLP0?

value of nominal diameter if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max (unit)

5:ACCESS ERR if insufficient access

level Value of the coefficient if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max

5:ACCESS ERR if insufficient access

level Value of the sensor model if accepted

5:ACCESS ERR if insufficient access

level

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max

5:ACCESS ERR if insufficient access

level Value of the insertion position if accepted

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max

5:ACCESS ERR if insufficient access

level Value of the coefficient if accepted

5:ACCESS ERR if insufficient access

level

n

out of range

if accepted

n

out of range

if accepted

n

out of range

if accepted

n

out of range

if accepted

or sets the value for the six coefficients for the linearization of the positive flow rate range.

NOTE: the examples refer to the command CKLP0, but the others

are the same

CKLN0, CKLN1, CKLN2, CKLN3, CKLN4, CKLN5 (Coefficient KL Negative 0, 1, 2, 3, 4 an 5) Reads

or sets the value for the six coefficients for the linearization of the negative flow rate range.

NOTE: the examples refer to the command CKLN0, but the others

are the same

SFREQ (Sampling FREQuency)

Reads or sets the measure sampling frequency of the instrument.

CRVRF (Coil Regulator Voltage ReFerence) Reads or sets the value

of the reference for the coil current regulator.

Set command: CKLP0=

Help command: CKLP0=?

Read command: CKLN0?

Set command: CKLN0=

Help command: CKLN0=?

Read command: SFREQ?

Read command: CRVRF?

Help command: CRVRF=?

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max

5:ACCESS ERR if insufficient access

level Value of the coefficient if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max

5:ACCESS ERR if insufficient access

level Value of the measure sampling frequency

5:ACCESS ERR if insufficient access

level

Value of the coil regulator voltage reference

5:ACCESS ERR if insufficient access

level

min <> max

5:ACCESS ERR if insufficient access

level

n

out of range

if accepted

n

out of range

if accepted

CRRMA (Coil Regulator Regulation MArgin) Reads or sets the value of

the regulation margin for the coil current regulator.

EPDEN (Empty Pipe Detection ENable) Enables or disables the

empty pipe detection circuit.

EPDGV (Empty Pipe Detection Gain Value) Reads or sets the value

of the gain for the empty pipe detection circuit.

Read command: CRRMA?

Help command: CRRMA=?

Read command: EPDEN?

Set command: EPDEN=

Help command: EPDEN=? 0:OFF,1:ON if accepted

Read command: EPDGV?

Help command: EPDGV=?

Value of the coil regulator margin

5:ACCESS ERR if insufficient access

level

min <> max

5:ACCESS ERR if insufficient access

level

State of the pipe detection circuit

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

5:ACCESS ERR if insufficient access

level Value of the empty pipe detection gain

5:ACCESS ERR if insufficient access

level

min <> max

5:ACCESS ERR if insufficient access

level

if accepted

n

out of range

if accepted

- 31 - RS232_485_ETP_MODBUS_BU_REV02.doc

EPDCC (Empty Pipe Detection Calibration Command) Executes the

calibration of the empty pipe detection circuit.

SZPCC (Sensor Zero Point Calibration Command) Executes the

calibration of the sensor zero point.

SZPCR (Sensor Zero Point Calibration Reset) Resets the zero

point calibration value evaluated with the preceding instruction SZPCC.

COMMANDS AND FUNCTIONS EQUIVALENT TO THE “2-SCALES” MENU

Name and description Modes Returned values or codes

FRMUT (Flow Rate Measure Unit Type) Reads or sets the type of

measure units relative to the flow rate. Possible values are:

0:VM = Volume, Metric 1:WM = Weight, Metric 2:VI = Volume, Imperial or American 3:WI = Weight, Imperial or American

FRMUV (Flow Rate Measure Unit Value) Reads or sets the value of

measure units relative to the flow rate.

- 32 - RS232_485_ETP_MODBUS_BU_REV02.doc

Read command: NOT SUPPORTED

Set command: EPDCC=1

Help command: EPDCC=? 1:EXECUTE

Read command: SZPCC? 0 if the calibration is terminated

Set command: SZPCC=1

Help command: SZPCC=? 1:EXECUTE if accepted

Read command: NOT SUPPORTED

Set command: SZPCR=1

Help command: SZPCR=? 1:EXECUTE

Read command: FRMUT?

Set command: FRMUT=

Help command: FRMUT=?

Read command: FRMUV?

Set command: FRMUV=

Help command: FRMUV=?

1:CMD ERR if read command is

issued

5:ACCESS ERR if insufficient access

level

0:OK if execution ok 2:PARAM ERR if parameter not equal

to 1

if accepted

1 if the calibration is in progress 5:ACCESS ERR if insufficient access

level

0:OK if execution ok 2:PARAM ERR if parameter not equal

to 1

5:ACCESS ERR if insufficient access

level

5:ACCESS ERR if insufficient access

level

1:CMD ERR if read command is

issued

5:ACCESS ERR if insufficient access

level

0:OK if execution ok 2:PARAM ERR if parameter not equal

to 1

5:ACCESS ERR if insufficient access

level

if accepted

5:ACCESS ERR if insufficient access

level

Value of measure unit if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

num:description

List of 5:ACCESS ERR if insufficient access

level Value of measure unit if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

num:description

List of 5:ACCESS ERR if insufficient access

level

n

out of range

if accepted

n

out of range

if accepted

FRFS1 (Flow Rate Full Scale 1)

Reads or sets the value of flow rate full scale 1.

FRFS2 (Flow Rate Full Scale 2)

Reads or sets the value of flow rate full scale 2.

VTMUT (Volume Totalizer Measure Unit Type) Reads or sets the type of

measure units relative to the totalizers. Possible values are:

0:VM = Volume, Metric 1:WM = Weight, Metric 2:VI = Volume, Imperial or American 3:WI = Weight, Imperial or American

VTMUV (Volume Totalizer Measure Unit Value) Reads or sets the value of

measure units relative to the totalizers.

VTDPP (Volume Totalizers Decimal Point Position) Reads or sets the

value representing the number of decimal digits for representing the volume totalizers.

Read command: FRFS1?

Set command: FRFS1=

Help command: FRFS1=?

Read command: FRFS2?

Set command: FRFS2=

Help command: FRFS2=?

Read command: VTMUT?

Set command: VTMUT=

Help command: VTMUT=?

Read command: VTMUV?

Set command: VTMUV=

Help command: VTMUV=?

Read command: VTDPP?

Set command: VTDPP=

Help command: VTDPP=?

n

Value of flow rate full scale 1 if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max (units)

5:ACCESS ERR if insufficient access

level Value of flow rate full scale 2 if accepted

1:CMD ERR if full scale 2 not enabled 5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 1:CMD ERR if full scale 2 not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max (units)

1:CMD ERR if full scale 2 not enabled 5:ACCESS ERR if insufficient access

level Type of measure unit if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

num:description

List of 5:ACCESS ERR if insufficient access

level Value of measure unit if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

List of

num:description

5:ACCESS ERR if insufficient access

level Value of decimal digits if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max

5:ACCESS ERR if insufficient access

level

n

out of range

if accepted

n

out of range

if accepted

n

out of range

n

out of rang

n

out of range

if accepted

- 33 - RS232_485_ETP_MODBUS_BU_REV02.doc

CH1PV (CHannel 1 Pulse Value)

Reads or sets the value representing the volume of one totalization pulse for the channel 1.

CH2PV (CHannel 2 Pulse Value)

Reads or sets the value representing the volume of one totalization pulse for the channel 2.

CH1PT (CHannel 1 Pulse Time)

Reads or sets the value representing the time duration pulse for the channel 1.

CH2PT (CHannel 2 Pulse Time)

Reads or sets the value representing the time duration pulse for the channel 2.

VMSGC (Volume to Mass Specific Gravity Coefficient) Reads or sets the

value representing the transformation coefficient between volume and mass.

- 34 - RS232_485_ETP_MODBUS_BU_REV02.doc

Read command: CH1PV?

Set command: CH1PV=

Help command: CH1PV=?

Read command: CH2PV?

Set command: CH2PV=

Help command: CH2PV=?

Read command: CH1PT?

Set command: CH1PT=

Help command: CH1PT=?

Read command: CH2PT?

Set command: CH2PT=

Help command: CH2PT =?

Read command: VMSGK?

n

Value of volume pulse for channel 1

1:CMD ERR if channel 1 not enabled 5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 1:CMD ERR if channel 1 not enabled

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max (units)

1:CMD ERR if channel 1 not enabled 5:ACCESS ERR if insufficient access

level Value of volume pulse for channel 2

1:CMD ERR if channel 2 not enabled 5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 1:CMD ERR if channel 2 not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max (units)

1:CMD ERR if channel 2 not enabled 5:ACCESS ERR if insufficient access

level Value of pulse time for channel 1

1:CMD ERR if channel 1 not enabled 5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 1:CMD ERR if channel 1 not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max (units)

1:CMD ERR if channel 1 not enabled 5:ACCESS ERR if insufficient access

level Value of pulse time for channel 2

1:CMD ERR if channel 2 not enabled 5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 1:CMD ERR if channel 2 not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max (units)

1:CMD ERR if channel 2 not enabled 5:ACCESS ERR if insufficient access

level Value of volume-to-mass coefficient

1:CMD ERR if weight units not enabled 5:ACCESS ERR if insufficient access

level

out of range

if accepted

n

out of range

if accepted

n

out of range

if accepted

n

out of range

if accepted

0:OK if parameters accepted 1:CMD ERR if weight units not enabled

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max (units)

1:CMD ERR if weight units not enabled 5:ACCESS ERR if insufficient access

level Value of analog input 1 measure unit symbol

1:CMD ERR if analog input 1 not

enabled

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 1:CMD ERR if analog input 1 not

enabled

2:PARAM ERR if

chars

5:ACCESS ERR if insufficient access

level

3 CHR STRING

1:CMD ERR if analog input 1 not

enabled

5:ACCESS ERR if insufficient access

level Value of measure unit if accepted

1:CMD ERR if analog input 1 not

enabled

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 1:CMD ERR if analog input 1 not

n

enabled

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

num:description

List of 1:CMD ERR if analog input 1 not

enabled

5:ACCESS ERR if insufficient access

level Start scale value of analog in.1 if

accepted 1:CMD ERR if analog input 1 not

enabled

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 1:CMD ERR if analog input 1 not

enabled

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

n

out of range

if accepted

string

length is not 3

if accepted

n

out of range

if accepted

n

out of range

A1CSY (Analog input 1 Custom SYmbol) Reads or sets the value

representing the custom measure unit used for the analog input 1. If the values is to be set, a fixed 3characters length string must be supplied.

A1MUV (Analog input 1 Measure Unit Value) Reads or sets the value of

measure units relative to the totalizers.

A1SSV (Analog input 1 Start Scale Value) Reads or sets the value of the

start scale point for the analog input

1.

Set command: VMSGK=

Help command: VMSGK=?

Read command: A1CSY?

Set command: 1CSY=

Help command: A1CSY=?

Read command: A1MUV?

Set command: A1MUV=

Help command: A1MUV=?

Read command: A1SSV?

Set command: A1SSV=

string

n

- 35 - RS232_485_ETP_MODBUS_BU_REV02.doc

A1FSV (Analog input 1 Full Scale Value) Reads or sets the value of the

full scale point for the analog input 1.

COMMANDS AND FUNCTIONS EQUIVALENT TO THE “3-MEASURES” MENU

Name and description Modes Returned values or codes

MFTCV (Measure Filter Time Constant Value) Reads or sets the

value of the measure filter time constant.

MFSKT (Measure Filter SKip Threshold) Reads or sets the value

of the measure filter skip threshold.

MFMXT (Measure Filter MaX variation Threshold) Reads or sets

the value of the measure filter maximum variation threshold.

Help command: A1SSV=?

Read command: A1FSV?

Set command: A1FSV=

Help command: A1FSV=?

Read command: MFTCV?

Set command: MFTCV=

Help command: MFTCV=?

Read command: MFSKT?

Set command: MFSKT=

Help command: MFSKT=?

Read command: MFMXT?

Set command: MFMXT=

n

min <> max (units)

1:CMD ERR if analog input 1 not

enabled

5:ACCESS ERR if insufficient access

level Full scale value of analog in.1 if accepted

1:CMD ERR if analog input 1 not

enabled

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 1:CMD ERR if analog input 1 not

n

enabled

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max (units)

1:CMD ERR if analog input 1 not

enabled

5:ACCESS ERR if insufficient access

level

Value of measure time constant if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

n

out of range

min <> max (units)

5:ACCESS ERR if insufficient access

level Value of measure skip threshold if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

n

out of range

min <> max (units)

5:ACCESS ERR if insufficient access

level Value of max. variation threshold if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

n

out of range

if accepted

n

out of range

if accepted

- 36 - RS232_485_ETP_MODBUS_BU_REV02.doc

Help command: MFMXT=?

MFCUT (Measure Filter Cut-off Threshold) Reads or sets the value

of the measure filter cut-off threshold.

ACALE (Auto-CALibration Enable)

Enables or disables the autocalibration feature of the instrument.

ARNGE (Auto-RaNGe Enable)

Enables or disables the auto-range feature of the instrument.

ENSVE (ENergy-SaVing Enable)

Enables or disables the energysaving feature of the instrument.

ENSST (ENergy-Saving Sample Time) Reads or sets the value of

the measure sampling time when the energy-saving feature is active.

- 37 - RS232_485_ETP_MODBUS_BU_REV02.doc

Read command: MFCUT?

Set command: MFCUT=

Help command: MFCUT=?

Read command: ACAL E?

Set command: ACALE=

Help command: ACALE=? List of

Read command: ARNG E?

Set command: ARNGE=

Help command: ARNGE=? List of

Read command: ENSVE?

Set command: ENSVE=

Help command: ENSVE=? List of

Read command: ENSST?

Set command: ENSST=

Help command: ENSST=?

min <> max (units)

5:ACCESS ERR if insufficient access

level Value of measure cut-off thr. if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max (units)

5:ACCESS ERR if insufficient access

level Enable/disable status if accepted

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

num:description

5:ACCESS ERR if insufficient access

level Enable/disable status if accepted

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

num:description

5:ACCESS ERR if insufficient access

level Enable/disable status if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

num:description

5:ACCESS ERR if insufficient access

level Value of measure sampling time if accepted

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max (units)

5:ACCESS ERR if insufficient access

level

if accepted

n

out of range

if accepted

n

out of range

if accepted

n

out of range

if accepted

n

out of range

if accepted

n

out of range

if accepted

COMMANDS AND FUNCTIONS EQUIVALENT TO THE “4-ALARMS” MENU

Name and description Modes Returned values or codes

FRAXP (Flow Rate Alarm maX Positive threshold) Reads or sets

the value of the maximum positive flow rate alarm threshold.

FRAXN (Flow Rate Alarm maX Negative threshold) Reads or sets

the value of the maximum positive flow rate alarm threshold.

FRANP (Flow Rate Alarm miN Positive threshold) Reads or sets

the value of the minimum positive flow rate alarm threshold.

FRANN (Flow Rate Alarm miN Negative threshold) Reads or sets

the value of the minimum positive flow rate alarm threshold.

ATHYS (Alarm Thresholds HYSteresis) Reads or sets the value

of the alarm threshold hysteresis.

- 38 - RS232_485_ETP_MODBUS_BU_REV02.doc

Read command: FRAXP?

Set command: FRAXP=

Help command: FRAXP=?

Read command: FRAXN?

Set command: FRAXN=

Help command: FRAXN=?

Read command: FRANP?

Set command: FRAXP=

Help command: FRAXP=?

Read command: FRANN?

Set command: FRANN=

Help command: FRANN=?

Read command: ATHYS? Value of hysteresis if accepted

Set command: ATHYS=

Help command: ATHYS=?

Value of positive max threshold if accepted

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max (units)

5:ACCESS ERR if insufficient access

level Value of negative max threshold if accepted

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max (units)

5:ACCESS ERR if insufficient access

level Value of positive min threshold if

accepted 5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max (units)

5:ACCESS ERR if insufficient access

level Value of negative min threshold if accepted

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max (units)

5:ACCESS ERR if insufficient access

level

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max (units)

5:ACCESS ERR if insufficient access

level

n

out of range

if accepted

n

out of range

if accepted

n

out of range

if accepted

n

out of range

if accepted

n

out of range

if accepted

EPDAT (Empty Pipe Detection Alarm Threshold) Reads or sets the

value of the alarm threshold for the empty pipe detection system.

OCACV (Output Current Alarm Condition Value) Reads or sets the

value of the alarm value at which the current output will be set in case of error conditions. Valid only if the current output is installed and enabled.

COMMANDS AND FUNCTIONS EQUIVALENT TO THE “5-INPUTS” MENU

Name and description Modes Returned values or codes

VTTPE (Volume Totalizer Total Positive reset Enable) Enables or

disables the consent for resetting the total positive volume totalizer when receiving an external signal on the digital input. Valid only if the digital input is installed and enabled.

VTPPE (Volume Totalizer Partial Positive reset Enable) Enables or

disables the consent for resetting the partial positive volume totalizer when receiving an external signal

Read command: EPDAT?

Set command: EPDAT=

Help command: EPDAT=?

Read command: OCACV?

Set command: OCACV=

Help command: OCACV=?

Read command: VTTPE?

Set command: VTTPE=

Help command: VTTPE=? List of

Read command: VTPPE?

Value of empty pipe threshold if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max (units)

5:ACCESS ERR if insufficient access

level Value of alarm current output if accepted

1:CMD ERR if current output not

enabled

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

1:CMD ERR if current output not

enabled

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max (units)

1:CMD ERR if current output not enabled . 5:ACCESS ERR if insufficient access

level

Status of reset consent if accepted

1:CMD ERR if digital input not

enabled

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

1:CMD ERR if digital input not

enabled

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

1:CMD ERR if digital input not

enabled

5:ACCESS ERR if insufficient access

level Status of reset consent if accepted

1:CMD ERR if digital input not

enabled

5:ACCESS ERR if insufficient access

level

n

out of range

if accepted

n

out of range

if accepted

n

out of range

num:description

if accepted

- 39 - RS232_485_ETP_MODBUS_BU_REV02.doc

on the digital input. Valid only if the digital input is installed and enabled.

VTTNE (Volume Totalizer Total Negative reset Enable) Enables or

disables the consent for resetting the total negative volume totalizer when receiving an external signal on the digital input. Valid only if the digital input is installed and enabled.

VTPNE (Volume Totalizer Partial Negative reset Enable) Enables or

disables the consent for resetting the partial negative volume totalizer when receiving an external signal on the digital input. Valid only if the digital input is installed and enabled.

TCLIE (Totalizers Count Lock Input Enable) Enables or disables

the consent for locking the totalizers when receiving an external signal on the digital input. Valid only if the digital input is installed and enabled.

Set command: VTPPE=

Help command: VTPPE=? List of

Read command: VTTNE?

Set command: VTTNE=

Help command: VTTNE=? List of

Read command: VTPNE?

Set command: VTPNE=

Help command: VTPNE=? List of

Read command: TCLIE?

Set command: TCLIE=

n

0:OK if parameters accepted 1:CMD ERR if digital input not

enabled

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

1:CMD ERR if digital input not

enabled

5:ACCESS ERR if insufficient access

level Status of reset consent if accepted

1:CMD ERR if digital input not

enabled

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 1:CMD ERR if digital input not

enabled

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

1:CMD ERR if digital input not

enabled

5:ACCESS ERR if insufficient access

level Status of reset consent if accepted

1:CMD ERR if digital input not

enabled

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 1:CMD ERR if digital input not

enabled

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

1:CMD ERR if digital input not

enabled

5:ACCESS ERR if insufficient access

level Status of locking consent if accepted

1:CMD ERR if digital input not

enabled

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

1:CMD ERR if digital input not

enabled

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

n

out of range

num:description

n

out of range

num:description

n

out of range

num:description

n

out of range

if accepted

- 40 - RS232_485_ETP_MODBUS_BU_REV02.doc

Help command: TCLIE=? List of

num:description

if accepted

1:CMD ERR if digital input not

enabled

5:ACCESS ERR if insufficient access

level

CALIE (CALibration Input Enable)

Enables or disables the consent for calibrating when receiving an external signal on the digital input. Valid only if the digital input is installed and enabled.

Read command: CALIE?

Set command: CALIE=

Status of calibration consent if accepted

1:CMD ERR if digital input not

enabled

0:OK if parameters accepted

n

1:CMD ERR if digital input not

enabled

n

2:PARAM ERR if

out of range

5:ACCESS ERR if insufficient access

level

Help command: CALIE=? List of

num:description

if accepted

1:CMD ERR if digital input not

enabled

5:ACCESS ERR if insufficient access

level

SRCIE (Scale Range Change Input Enable) Enables or disables

the consent for changing the scale range when receiving an external signal on the digital input. Valid only if the digital input is installed and enabled.

Read command: SRCIE?

Set command: SRCIE=

Status of range change consent if accepted

1:CMD ERR if digital input not

enabled

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

1:CMD ERR if digital input not

enabled

n

2:PARAM ERR if

out of range

5:ACCESS ERR if insufficient access

level

Help command: SRCIE=? List of

num:description

if accepted

1:CMD ERR if digital input not

enabled

5:ACCESS ERR if insufficient access

level

WKUIE (WaKe-Up Input Enable)

Enables or disables the consent for waking-up from the energy saving standby mode when receiving an external signal on the digital input. Valid only if the digital input is installed and enabled.

Read command: WKUIE?

Set command: WKUIE =

Status of wake-up consent if accepted

1:CMD ERR if digital input not

enabled

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

1:CMD ERR if digital input not

enabled

n

2:PARAM ERR if

out of range

5:ACCESS ERR if insufficient access

level

Help command: WKUIE

=?

num:description

List of 1:CMD ERR if digital input not

enabled

if accepted

5:ACCESS ERR if insufficient access

level

COMMANDS AND FUNCTIONS EQUIVALENT TO THE “6-OUTPUTS” MENU

- 41 - RS232_485_ETP_MODBUS_BU_REV02.doc

Name and description Modes Returned values or codes

OUT1F (OUTput 1 Function) Sets

the function type related to the digital output 1. Valid only if the digital outputs are installed and enabled.

OUT2F (OUTput 2 Function) Sets

the function type related to the digital output 2. Valid only if the digital outputs are installed and enabled.

OUTIS (OUT Immediate State)

function for set in direct way the

value of the digital outputs

CO1FS (Current Output 1 Full Scale) Sets the full scale value for

the current output 1: it can be 20 or 22 mA. Valid only if the current output1 is installed and enabled.

Read command: OUT1F?

Set command: OUT1F=

Help command: OUT1F=? List of

Read command: OUT2F?

Set command: OUT2F=

Help command: OUT2F=? List of

Read command: OUTI S?

Set command: OUTIS=

Help command: OUTIS=? List of

Read command: CO1FS?

Type of function if accepted

1:CMD ERR if digital outputs not

enabled

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 1:CMD ERR if digital outputs not

enabled

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

num:description

1:CMD ERR if digital outputs not

enabled

5:ACCESS ERR if insufficient access

level Type of function if accepted

1:CMD ERR if digital outputs not

enabled

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

1:CMD ERR if digital outputs not

enabled

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

num:description

1:CMD ERR if digital outputs not

enabled

5:ACCESS ERR if insufficient access

level Type of function if accepted

1:CMD ERR if digital outputs not

enabled

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

1:CMD ERR if digital outputs not

enabled

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

num:description

1:CMD ERR if digital outputs not

enabled

5:ACCESS ERR if insufficient access

level Full scale value if accepted

1:CMD ERR if current output not

enabled

5:ACCESS ERR if insufficient access

level

out of range

if accepted

n

out of range

if accepted

n

out of range

if accepted

- 42 - RS232_485_ETP_MODBUS_BU_REV02.doc

Set command: CO1FS=

Help command: CO1FS=? List of

CO1SS (Current Output 1 Start Scale) Sets the start scale value

for the current output 1: it can be 0 or 4 mA. Valid only if the current output1 is installed and enabled.

CO1FM (Current Output 1 Field Mode) Sets the field mode value

for the current output 1: it can be +, -, +/-, –0+. Valid only if the current output1 is installed and enabled.

COMMANDS AND FUNCTIONS EQUIVALENT TO THE “7-COMMUNICATION” MENU

Name and description Modes Returned values or codes

IF2PT (IF2 Protocol Type) Reads

or sets the protocol type for the IF2 port: it can be DPP or HTP.

- 43 - RS232_485_ETP_MODBUS_BU_REV02.doc

Read command: CO1SS?

Set command: CO1SS=

Help command: CO1SS=? List of

Read command: CO1FM?

Set command: CO1FM=

Help command: CO1FM=? List of

Read command: IF2PT?

Set command: IF2PT=

n

0:OK if parameters accepted 1:CMD ERR if current output not

enabled

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

out of range

num:description

1:CMD ERR if current output not

enabled

5:ACCESS ERR if insufficient access

level Start scale value if accepted

1:CMD ERR if current output not

enabled

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 1:CMD ERR if current output not

enabled

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

out of range

num:description

1:CMD ERR if current output not

enabled

5:ACCESS ERR if insufficient access

level Field mode for current output 1 if accepted

1:CMD ERR if current output not

enabled

0:OK if parameters accepted

n

1:CMD ERR if current output not

enabled

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

out of range

num:description

1:CMD ERR if current output not

enabled

5:ACCESS ERR if insufficient access

level

Type of protocol if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

n

out of range

if accepted

DVADR (DeVice ADdRess) Reads

or sets the device address. Valid only if the RS232 port is installed and enabled.

232SP (rs232 SPeed) Reads or

sets the RS232 speed in bps. Valid only if the RS232 port is installed and enabled.

232PT (rs232 Protocol Type)

Reads or sets the protocol type for the RS232 port: it can be DPP or HTP. Valid only if the RS232 port is installed and enabled.

SEVSE (Sms Event Send Enable)

Enable or disable event send by SMS

SPDSE (Sms Process Data Send

Enable) Enable or disable process data send by SMS

Help command: IF2PT=? List of

5:ACCESS ERR if insufficient access

level

Read command: DVADR?

Set command: DVADR=

Help command: DVADR=?

Read command: 232SP?

Set command: 232SP=

Help command: 232SP=? List of

Read command: 232PT?

Set command: 232PT=

Help command: 232PT=? List of

Read command: SEVSE?

Set command: SEVSE =

Help command: SEVSE =? List of

Read command: SPDSE?

Device address if accepted

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

1:CMD ERR if RS232 port not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access

level RS232 speed if accepted

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

1:CMD ERR if RS232 port not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access

level RS232 protocol type if accepted

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

1:CMD ERR if RS232 port not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access

level Status of functions if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

5:ACCESS ERR if insufficient access

level Status of functions if accepted

5:ACCESS ERR if insufficient access

level

num:description

n

out of range

if accepted

n

out of range

num:description

n

out of range

num:description

n

out of range

num:description

if accepted

- 44 - RS232_485_ETP_MODBUS_BU_REV02.doc

SPDSC (Sms Process Data Send

Command) send a command for immediately answer with process data

ROAME (ROAMing Enable) Enable

or disable roaming function

SCAPE (SCADA Protocol Enable)

Enable or disable SCADA protocol

GSITM (Gsm Inactivity TiMeout)

timeout for inactivity connection

DTSDL (DaTa Send DeLay) delay

for send data

Set command: SPDSE =

Help command: SPDSE =? List of

Set command: SPDSC =

Help command: SPDSC =? List of

Read command: ROAME?

Set command: ROAME =

Help command: ROAME =? List of

Read command: SCAPE?

Set command: SCAPE =

Help command: SCAPE =? List of

Read command: GSITM?

Set command: GSITM =

Help command: GSITM =? Time range if accepted

Read command: DTSDL?

Set command: DTSDL =

Help command: DTSDL =? List of

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

n

out of range

num:description

5:ACCESS ERR if insufficient access

level

0:OK if command accepted

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

n

out of range

num:description

5:ACCESS ERR if insufficient access

level Status of functions if accepted

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

n

out of range

num:description

5:ACCESS ERR if insufficient access

level Status of functions if accepted

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

n

out of range

num:description

5:ACCESS ERR if insufficient access

level Status of functions if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

5:ACCESS ERR if insufficient access

level Status of functions if accepted

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

n

out of range

n

out of range

num:description

5:ACCESS ERR if insufficient access

level

if accepted

- 45 - RS232_485_ETP_MODBUS_BU_REV02.doc

GSCLN (GSm CaLl Number)

telephone number for GSM connection

485PT (RS485 Protocol Type)

Reads or sets the protocol type for the RS485 port: it can be DPP, HTP or MODBUS. Valid only if the RS485 port is installed and enabled

MODBP (MODBus Parity) parity

control in MODBUS protocol

COMMANDS AND FUNCTIONS EQUIVALENT TO THE “8-DISPLAY” MENU

Name and description Modes Returned values or codes

LLANG (Layout LANGuage)

Reads or sets the layout language used for all the display messages.

VTTPR (Volume Totalizer Total Positive Reset) Resets the total

positive volume totalizer.

Read command: GSCLN?

Set command: GSCLN =

Help command: GSCLN =? MAX 31 CHR STRING if accepted

Read command: 485PT?

Set command: 485PT =

Help command: 485PT =? List of

Read command: MODBP?

Set command: MODBP=

Help command: MODBP=? List of

Read command: LLANG?

Set command: LLANG=

Help command: LLANG=? List of

Read command: NOT

SUPPORTED

Set command: VTTPR=1

Status of functions if accepted

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

5:ACCESS ERR if insufficient access

level RS485 protocol type if accepted

1:CMD ERR if RS485 port not enabled 5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 1:CMD ERR if RS485 port not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

num:description

1:CMD ERR if RS485 port not enabled 5:ACCESS ERR if insufficient access

level RS485 parity if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

num:description

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access

level

Layout language if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

num:description

5:ACCESS ERR if insufficient access

level

1:CMD ERR if read command is

issued

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

n

out of range

n

out of range

if accepted

n

out of range

if accepted

n

out of range

if accepted

n

not equal to 1

- 46 - RS232_485_ETP_MODBUS_BU_REV02.doc

Help command: VTTPR=? 1:EXECUTE if accepted

5:ACCESS ERR if insufficient access

level

VTPPR (Volume Totalizer Partial Positive Reset) Resets the partial

positive volume totalizer.

VTTNR (Volume Totalizer Total Negative Reset) Resets the total

negative volume totalizer.

VTPNR (Volume Totalizer Partial Negative Reset) Resets the partial

negative volume totalizer.

ENSDT (ENergy Saving Display Time) Reads or sets the value of

the display on time used in the energy saving mode. This time is also used to wait for the incoming of new sms if they are enabled.

QSTME (Quick STart Menu

Enable)

- 47 - RS232_485_ETP_MODBUS_BU_REV02.doc

Read command: NOT

SUPPORTED

Set command: VTPPR=1

Help command: VTPPR=? 1:EXECUTE

Read command: NOT

SUPPORTED

Set command: VTTNR=1

Help command: VTTNR=? 1:EXECUTE

Read command: NOT

SUPPORTED

Set command: VTPNR=1

Help command: VTPNR=? 1:EXECUTE

Read command: ENSDT?

Set command: ENSDT=

Help command: ENSDT=?

Read command: QSTME?

Set command: QSTME =

Help command: QSTME =? List of

1:CMD ERR if read command is

issued

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

5:ACCESS ERR if insufficient access

level

1:CMD ERR if read command is

issued

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

5:ACCESS ERR if insufficient access

level

1:CMD ERR if read command is

issued

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

5:ACCESS ERR if insufficient access

level Value of display on time if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max (units)

5:ACCESS ERR if insufficient access

level

Status of functions if accepted

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

num:description

5:ACCESS ERR if insufficient access

level

n

not equal to 1

if accepted

n

not equal to 1

if accepted

n

not equal to 1

if accepted

n

out of range

n

out of range

if accepted

TTNVE (TOTalizers Net Value

Enable) enable disable the visualization of Net totalizer

TCMDE (Totalizers Currency Mode Display Enable) Enables or

disables the displaying of the currency values for the totalizers.

CUSYT (CUrrency SYmbol Type)

Reads or sets the type of currency symbol used to represent the values converted from the totalizers.

CUCSS (CUrrency CuStom Symbol) Reads or sets the custom

symbol used to represent the currency. If the values is to be set, a fixed 3-characters length string must be supplied.

CUDEC (CUrrency DEcimal Ciphers) Reads or sets the value of

the decimal ciphers for representing the volume totalizers

Read command: TTNVE?

Set command: TTNVE =

Help command: TTNVE =? List of

Read command: TCMDE?

Set command: TCMDE=

Help command: TCMDE=? List of

Read command: CUSYT?

Set command: CUSYT=

Help command: CUSYT=? List of

Read command: CUCSS?

Set command:

CUCSS=

Help command: CUCSS=?

Read command: CUDEC?

string

Status of functions if accepted

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

num:description

5:ACCESS ERR if insufficient access

level

Status of currency mode display if accepted

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

num:description

5:ACCESS ERR if insufficient access

level Type of currency symbol if accepted

1:CMD ERR if currency not enable 5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 1:CMD ERR if currency not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

num:description

1:CMD ERR if currency not enabled 5:ACCESS ERR if insufficient access

level Custom currency symbol if accepted

1:CMD ERR if currency not enabled 5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 1:CMD ERR if currency not enabled 2:PARAM ERR if

3 chars

5:ACCESS ERR if insufficient access

level

3 CHR STRING

1:CMD ERR if currency not enabled 5:ACCESS ERR if insufficient access

level Value of decimal ciphers if accepted

1:CMD ERR if currency not enabled 5:ACCESS ERR if insufficient access

level

n

out of range

if accepted

n

out of range

if accepted

n

out of range

if accepted

string

length is not

if accepted

- 48 - RS232_485_ETP_MODBUS_BU_REV02.doc

converted to currency.

CUPCF (CUrrency Positive Conversion Factor) Reads or sets

the value of the conversion factor coefficient used to convert the partial positive totalizer to currency.

CUNCF (CUrrency Negative Conversion Factor) Reads or sets

the value of the conversion factor coefficient used to convert the partial negative totalizer to currency.

COMMANDS AND FUNCTIONS EQUIVALENT TO THE “9-DATALOGGER” MENU

Name and description Modes Returned values or codes

DLOGE (Data LOGger Enable)

Enables or disables the logging functions for data and events. Events logging are always active.

Set command: CUDEC=

n

0:OK if parameters accepted 1:CMD ERR if currency not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

Help command: CUDEC=?

min <> max

1:CMD ERR if currency not enable 5:ACCESS ERR if insufficient access

level

Read command: CUPCF?

Value of positive conv. factor if accepted

1:CMD ERR if currency not enabled 5:ACCESS ERR if insufficient access

level

Set command: CUPCF=

0:OK if parameters accepted

n

1:CMD ERR if currency not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

Help command: CUPCF=?

min <> max (units)

1:CMD ERR if currency not enable 5:ACCESS ERR if insufficient access

level

Read command: CUNCF?

Value of negative conv. factor if accepted

1:CMD ERR if currency not enabled 5:ACCESS ERR if insufficient access

level

Set command: CUNCF=

0:OK if parameters accepted

n

1:CMD ERR if currency not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

Help command: CUNCF=?

min <> max (units)

1:CMD ERR if currency not enabled 5:ACCESS ERR if insufficient access

level

Read command: DLOGE?

Status of data logging functions if accepted

5:ACCESS ERR if insufficient access

level

Set command: DLOGE=

0:OK if parameters accepted

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

Help command: DLOGE=? List of

5:ACCESS ERR if insufficient access

level

n

out of range

if accepted

n

out of range

if accepted

n

out of range

if accepted

n

out of range

num:description

if accepted

- 49 - RS232_485_ETP_MODBUS_BU_REV02.doc

DLGSI (Data LoGger Sample Interval) Reads or sets the sample

time interval at which the data are collected.

DTIME (Date / TIME) Reads or

sets the date and time value.

WARNING: when setting the date and time, always check the value returned because malformed input string may lead to incorrect time result.

DLDRD (Data Logger static Data ReaD) Reads the specified record,

the number of records saved in the static data logger or the maximum number of records that can be saved in memory.

REset) Resets the static data logger

and clears all records.

Read command: DLGSI?

Set command: DLGSI=

Help command: DLGSI=? List of

Read command: DTIME?

Set command:

DTIME=

Help command: DTIME=?

Read number of records: DLDRD?

Read record: DLDRD=

Read max. capacity:

DLDRD=?

Read command: NOT SUPPORTED

Set command: DLDRE=1

tmstring

n

Value of sample time interval if accepted

1:CMD ERR if logging functions not

enabled

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

1:CMD ERR if logging functions not

enabled

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

num:description

1:CMD ERR if logging functions not

enabled

5:ACCESS ERR if insufficient access

level Value of date and time if accepted

1:CMD ERR if logging functions not

enabled

5:ACCESS ERR if insufficient access

level Value of current date and time

1:CMD ERR if logging functions not

enabled

5:ACCESS ERR if insufficient access

level Format of the string to be input

1:CMD ERR if logging functions not

enabled

5:ACCESS ERR if insufficient access

level Number of records in memory if accepted

1:CMD ERR if logging functions not

enabled

Record n in CSV format if accepted

1:CMD ERR if logging functions not

enabled

2:PARAM ERR if

Maximum range of in the format accepted

1:CMD ERR if logging functions not

enabled

1:CMD ERR if command is issued DLDRE (Data Logger static Data

0:OK if parameters accepted 1:CMD ERR if logging functions not

enabled 2:PARAM ERR if

to 1

5:ACCESS ERR if insufficient access

level

n

out of range

if accepted

n

out of range

n

for the memory

min <> max

n

not equal

if

- 50 - RS232_485_ETP_MODBUS_BU_REV02.doc

Help command: DLDRE=? 1:EXECUTE if accepted

1:CMD ERR if logging functions not enabled 5:ACCESS ERR if insufficient access

level

DLDSE (Data Logger static Data Send Enable) Enables or disables

the sending of the static data logger’s data by email using the GPRS terminal.

DLYRD (Data Logger dYnamic ReaD) Reads the specified record,

the number of records saved in the dynamic data logger or the maximum number of records that can be saved in memory.

DLYRE (Data Logger dYnamic REset) Resets the dynamic data

logger and clears all records.

DLYSE (Data Logger dYnamic Send Enable) Enables or disables

the sending of the dynamic data logger’s data by email using the GPRS terminal.

Read command: DLDSE?

Set command: DLDSE=

Help command: DLDSE=? List of

Read number of records: DLYRD?

Read record: DLYRD=

Read max capacity:

DLYRD=?

Read command: NOT SUPPORTED

Set command: DLYRE=1

Help command: DLYRE=? 1:EXECUTE

Read command: DLYSE?

Set command: DLYSE=

n

Status of static data send if accepted

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

1:CMD ERR if RS232 port not enabled

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

num:description

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access

level

Number of records in memory if accepted

1:CMD ERR if logging functions not

enabled

Record n in CSV format if accepted

1:CMD ERR if logging functions not

enabled

2:PARAM ERR if

Maximum range of in the format accepted

1:CMD ERR if logging functions not

enabled

1:CMD ERR if command is issued

0:OK if parameters accepted 1:CMD ERR if logging functions not

enabled 2:PARAM ERR if

to 1

5:ACCESS ERR if insufficient access

level

1:CMD ERR if logging functions not enabled . 5:ACCESS ERR if insufficient access

level Status of dynamic data send if accepted

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

1:CMD ERR if RS232 port not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

out of range

n

out of range

n

for the memory

min <> max

if accepted

n

out of range

if accepted

n

not equal

if

- 51 - RS232_485_ETP_MODBUS_BU_REV02.doc

DLERD (Data Logger Event ReaD)

Reads the specified record, the number of records saved in the event data logger or the maximum number of records that can be saved in memory.

DLERE (Data Logger Event REset)

Resets the events logger and clears all records.

DLESE (Data Logger Events Send Enable) Enables or disables the

sending of the events data logger’s data by email using the GPRS terminal.

DLMRD (Data Logger Min/max ReaD) Reads the min/max stored

values.

REset) Resets the min/max stored

values.

Help command: DLYSE=? List of

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access

level

Read number of records: DLERD?

Read record: DLERD=

Read max capacity:

DLERD=?

Read command: NOT SUPPORTED

Set command: DLERE=1

Help command: DLERE=? 1:EXECUTE

Read command: DLESE?

Set command: DLESE=

Help command: DLESE=? List of

Read command: DLMRD? Min/max values in CSV format if

Set command: NOT SUPPORTED Help command: NOT SUPPORTED Read command: NOT SUPPORTED

Set command: DLMRE=1

n

Record n in CSV format if accepted

Status of events data send if accepted

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 1:CMD ERR if RS232 port not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access

level

num:description

Number of records in memory if

accepted

1:CMD ERR if logging functions not

enabled

1:CMD ERR if logging functions not

enabled

2:PARAM ERR if

Maximum range of

in the format

accepted

1:CMD ERR if logging functions not

enabled

1:CMD ERR if command is issued

0:OK if parameters accepted

1:CMD ERR if logging functions not

enabled 2:PARAM ERR if

to 1

if accepted

1:CMD ERR if logging functions not

enabled .

n

num:description

accepted

1:CMD ERR if logging functions not

enabled

1:CMD ERR if command is issue

1:CMD ERR if command is issued

1:CMD ERR if command is issued DLMRE (Data Logger Min/max

0:OK if parameters accepted

1:CMD ERR if logging functions not

enabled

5:ACCESS ERR if insufficient access

level

if accepted

n

out of range

n

for the memory

min <> max

n

not equal

out of range

if accepted

if

- 52 - RS232_485_ETP_MODBUS_BU_REV02.doc

Help command: DLMRE=? 1:EXECUTE if accepted

1:CMD ERR if logging functions not

enabled .

5:ACCESS ERR if insufficient access

level

DLUSE (Data Logger measure Units Send Enable) Enables or

disables the sending of the measure units of the loggers data by email using the GPRS terminal. Not enabling this option makes the data more compact to send by wireless communication.

Read command: DLUSE?

Set command: DLUSE=

Status of measure units send if accepted

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

1:CMD ERR if RS232 port not enabled 2:PARAM ERR if

n

out of range

5:ACCESS ERR if insufficient access

level

Help command: DLUSE=? List of

num:description

if accepted 1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access

level

DLTST (Data Logger Test Start Time) Reads or sets the date and

time start value used for the “step

check” test. WARNING: when

setting the date and time, always check the value returned because malformed input string may lead to incorrect time result.

Read command: DLTST?

Set command:

DLTST=

tmstring

Required access level: 2

Value of date and time if accepted

1:CMD ERR if logging functions not

enabled

5:ACCESS ERR if insufficient access

level Value of date and time set

1:CMD ERR if logging functions not

enabled

5:ACCESS ERR if insufficient access

level

Help command: DLTST=?

Format of the string to be input

1:CMD ERR if logging functions not

enabled

5:ACCESS ERR if insufficient access

level

DLTPT (Data Logger Test stoP Time) Reads or sets the date and

time stop value used for the “step

check” test. WARNING: when

setting the date and time, always check the value returned because malformed input string may lead to incorrect time result.

Read command: DLTPT?

Set command:

DLTPT=

tmstring

Value of date and time if accepted

1:CMD ERR if logging functions not

enable

5:ACCESS ERR if insufficient access

level Value of date and time set

1:CMD ERR if logging functions not

enabled

5:ACCESS ERR if insufficient access

level

Help command: DLTPT=?

Format of the string to be input

1:CMD ERR if logging functions not

enabled

5:ACCESS ERR if insufficient access

level

DLTTI (Data Logger Test Time Interval) Reads or sets the time

interval used for the “step check” test. The time is in minutes.

Read command: DLTTI?

Value of time interval if accepted

1:CMD ERR if logging functions not

enabled

5:ACCESS ERR if insufficient access

level

- 53 - RS232_485_ETP_MODBUS_BU_REV02.doc

DTSON (Data logger Test Start ON) Starts the “step check” test

mode and reads the status of the operation (1 = in progress , 0 = terminated). If the stop date is less than the current time and date, an error code is returned

DTSOF (Data logger Test Start OFf) Stops or suspend the “step

check” test mode.

COMMANDS AND FUNCTIONS EQUIVALENT TO THE “10-DIAGNOSTIC” MENU

Name and description Modes Returned values or codes

CALIC (CALibration Immediate Command) performs an immediate

calibration cycle and reads the status of the operation (1 = in progress , 0 = terminated).

ATSIC (Auto-TeSt Immediate Command) Performs an auto-test

cycle.

MSIEN (Measure SImulation ENable) Enables or disables the

measure simulation function.

Set command: DLTTI=

Help command: DLTTI=?

Read command: DTSON?

Set command: DTSON=1

Help command: DTSON=? 1:EXECUTE

Read command: NOT SUPPORTED

Set command: DTSOF=1

Help command: DTSOF=? 1:EXECUTE

Read command: CALIC?

Set command: CALIC=1

Help command: CALIC=? 1:EXECUTE

Read command: NOT SUPPORTED

Set command: ATSIC=1

Help command: ATSIC=? 1:EXECUTE

Read command: MSIEN?

n

0:OK if parameters accepted 1:CMD ERR if logging functions not

enabled

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max (units)

1:CMD ERR if logging functions not

enabled

5:ACCESS ERR if insufficient access

level Status of operation if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 2:PARAM ERR if 3:EXEC ERR if operation not possible 5:ACCESS ERR if insufficient access

level

5:ACCESS ERR if insufficient access

level

1:CMD ERR if command is issued

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

5:ACCESS ERR if insufficient access

level

Status of calibration operation if accepted

0:OK if parameters accepted 2:PARAM ERR if

1:CMD ERR if command is issued

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

5:ACCESS ERR if insufficient access

level Status of measure sim. function if accepted

5:ACCESS ERR if insufficient access

level

n

out of range

n

not equal to 1

if accepted

n

not equal to 1

if accepted

n

not equal to 1

if accepted

n

not equal to 1

if accepted

- 54 - RS232_485_ETP_MODBUS_BU_REV02.doc

STBYC (STandBY Command) set

converter in stand-by mode

Once this command is issued , the only way to wakeup the converter is by the keyboard

COMMANDS AND FUNCTIONS EQUIVALENT TO THE “11-INTERNAL DATA” MENU

Name and description Modes Returned values or codes

L2ACD (Level 2 Access CoDe)

Reads or sets the level 2 programmable access code. It can be set to zero to disable all L2

access requests. WARNING: do

not forget t he code entered!

LFDIC (Load Factory Defaults Immediate Command) Loads the

factory default parameters.

WARNING: all the current working parameters eventually modified by the user will be lost!

LUDIC (Load User Data Immediate Command) Loads the

user preset parameters.

WARNING: all the current working parameters eventually modified by the user will be lost!

Immediate Command) Saves the

current working parameters as user preset data.

Set command: MSIEN=

Help command: MSIEN=? List of

Read command: STBYC =? List of

Set command: STBYC =

Read command: L2ACD?

Set command: L2ACD=

Help command: L2ACD=?

Read command: NOT SUPPORTED

Set command: LFDIC=1

Help command: LFDIC=? 1:EXECUTE

Read command: NOT

SUPPORTED

Set command: LUDIC=1

Help command: LUDIC=? 1:EXECUTE

Read command: NOT SUPPORTED

Set command: SUDIC=1

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

num:description

5:ACCESS ERR if insufficient access

level

num:description

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

Programmed code if accepted

5:ACCESS ERR if insufficient access

level

n

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max

5:ACCESS ERR if insufficient access

level

1:CMD ERR if command is issued

0:OK if parameters accepted 2:PARAM ERR if 3:EXEC ERR if default data corrupted 5:ACCESS ERR if insufficient access

level

5:ACCESS ERR if insufficient access

level

1:CMD ERR if command is issued

0:OK if parameters accepted 2:PARAM ERR if 3:EXEC ERR if user data corrupted 5:ACCESS ERR if insufficient access

level

5:ACCESS ERR if insufficient access

level

1:CMD ERR if command is issued SUDIC (Save User Data

0:OK if parameters accepted 2:PARAM ERR if 3:EXEC ERR if memory failure 5:ACCESS ERR if insufficient access

level

n

out of range

n

out of range

n

out of range

if accepted

n

not equal to 1

if accepted

n

not equal to 1

if accepted

n

not equal to 1

if accepted

- 55 - RS232_485_ETP_MODBUS_BU_REV02.doc

Help command: SUDIC=? 1:EXECUTE if accepted

5:ACCESS ERR if insufficient access

level

Immediate Command) Saves the

current working parameters as factory defaults preset data.

Read command: NOT SUPPORTED

Help command: SFDIC=? 1:EXECUTE

1:CMD ERR if command is issued SFDIC (Save Factory Defaults

if accepted

5:ACCESS ERR if insufficient access

level

Read command: NOT

Immediate Command) Resets all

the working parameters to the

default values. WARNING: all the

current working parameters eventually modified by the user and the calibration coefficients will be lost! SRNUM (SeRial NUMber) Reads

the device serial number.

TONTM (Total ON TiMe) Reads

the total functioning time of the device.

CFFKT (CoeFFicient KT) Reads or

sets the value of the gain coefficient KT

CFFKR (CoeFFicient KR) Reads or

sets the value of the gain coefficient KR

CFFKS (CoeFFicient KS) Reads or

sets the value of the gain coefficient KS

- 56 - RS232_485_ETP_MODBUS_BU_REV02.doc

SUPPORTED

Help command: CMRIC=? 1:EXECUTE

Read command: SRNUM?

Set command: NOT SUPPORTED Help command: NOT SUPPORTED

Read command: TONTM?

Set command: NOT SUPPORTED Help command: NOT SUPPORTED

Read command: CFFKT?

Help command: CFFKT=?

Read command: CFFKR?

Set command: CFFKR=

Help command: CFFKR=?

Read command: CFFKS?

Set command: CFFKS=

Help command: CFFKS=?

n

1:CMD ERR if command is issued CMRIC (Complete Memory Reset

if accepted

5:ACCESS ERR if insufficient access

level

Value of serial number if accepted

5:ACCESS ERR if insufficient access

level

1:CMD ERR if command is issued

Value of total on time if accepted

1:CMD ERR if command is issued

Value of the coefficient if accepted

5:ACCESS ERR if insufficient access

level

min <> max

5:ACCESS ERR if insufficient access

level Value of the coefficient if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max

5:ACCESS ERR if insufficient access

level Value of the coefficient if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

min <> max

5:ACCESS ERR if insufficient access

level

if accepted

n

out of range

if accepted

n

out of range

if accepted

CFFKZ (CoeFFicient KZ) Reads or

sets the value of the zero coefficient KZ

ICALE (Ignore CALibration Errors)

Enables or disables the calibration errors recognition.

C1CP1 (Current output 1 Calibration Point 1) Reads or sets

the value of the current output calibration point 1 (4 mA).

C1CP2 (Current output 1 Calibration Point 2) Reads or sets

the value of the current output calibration point 2 (20 mA).

A1CP1 (Analog input 1 Calibration Point 1) Reads or sets the value of

the current output calibration point 1 (4 mA or min. voltage value).

A1CP2 (Analog input 1 Calibration Point 2) Reads or sets the value of

the current output calibration point 2 (20 mA or max. voltage value).

Read command: CFFKZ?

Help command: CFFKZ=?

Read command: ICALE?

Set command: ICALE=

Help command: ICALE=? List of

Read command: C1CP1?

Help command: C1CP1=?

Read command: C1CP2?

Help command: C1CP2=?

Read command: A1CP1?

Help command: A1CP1=?

Read command: A1CP2?

n

Value of the coefficient if accepted

5:ACCESS ERR if insufficient access

level

min <> max

5:ACCESS ERR if insufficient access

level Status of cal. error recognition if accepted

5:ACCESS ERR if insufficient access

level

0:OK if parameters accepted 2:PARAM ERR if 5:ACCESS ERR if insufficient access

level

5:ACCESS ERR if insufficient access

level Value of the cal. point if accepted

1:CMD ERR if current output not

enabled

5:ACCESS ERR if insufficient access

level

min <> max

1:CMD ERR if current output not

enabled

5:ACCESS ERR if insufficient access

level Value of the cal. point if accepted

1:CMD ERR if current output not

enabled

5:ACCESS ERR if insufficient access

level

min <> max

1:CMD ERR if current output not

enabled

5:ACCESS ERR if insufficient access

level Value of the cal. point if accepted

1:CMD ERR if analog input not

enabled

5:ACCESS ERR if insufficient access

level

min <> max

1:CMD ERR if analog input not

enabled

5:ACCESS ERR if insufficient access

level Value of the cal. point if accepted

1:CMD ERR if analog input not

enabled

5:ACCESS ERR if insufficient access

level

if accepted

n

out of range

num:description

if accepted

- 57 - RS232_485_ETP_MODBUS_BU_REV02.doc

COMMANDS AND FUNCTIONS USED FOR READING THE PROCESS PARAMETERS

Name and description Modes Returned values or codes

FRSRN (Flow Rate Scale Range Number) Reads the scale range

currently in use on the instrument. Valid only if the dual-range function is active.

FRVPC (Flow Rate Value PerCent)

Reads or sets the flow rate value in the percent form. Returns two comma-separated fields, the percent symbol and the numeric value. Percent value is referred to the full scale currently active. The flow rate value can be set only when the simulation mode is active.

FRVTU (Flow Rate Value Technical Units) Reads the flow

rate value and its technical measure unit. Returns two commaseparated fields, the technical unit symbol and the numeric value.

VTTPV (Volume Totalizer Total Positive Value) Reads the positive

total totalizer value and its technical measure unit. Returns two comma-separated fields, the technical unit symbol and the numeric value.

VTPPV (Volume Totalizer Partial Positive Value) Reads the positive

partial totalizer value and its technical measure unit. Returns two comma-separated fields, the technical unit symbol and the numeric value.

VTTNV (Volume Totalizer Total Negative Value) Reads the

negative total totalizer value and its technical measure unit. Returns two comma-separated fields, the technical unit symbol and the numeric value.

Negative Value) Reads the

negative partial totalizer value and

Help command: A1CP2=? Required access level: 2

min <> max

1:CMD ERR if analog input not

if accepted

enabled

5:ACCESS ERR if insufficient access

level

Read command: FRSRN? Scale number: (1 or 2) if dual range

active

1:CMD ERR if dual range not enabled

Set command: NOT

1:CMD ERR if command is issued

SUPPORTED Help command: NOT

1:CMD ERR if command is issued

SUPPORTED

Read command: FRVPC? Returns Set command: FRVPC=

n

0:OK if parameters accepted 2:PARAM ERR if

%,value

string

n

out of range or

simulation mode not enabled

Help command:

min <> max (%)

FRVPC=?

Read command: FRVTU? Returns

Set command: NOT

1:CMD ERR if command is issued

measure-unit,value

string

SUPPORTED Help command: NOT

1:CMD ERR if command is issued

SUPPORTED

Read command: VTTPV? Returns

Set command: NOT

1:CMD ERR if command is issued

measure-unit,value

string

SUPPORTED Help command: NOT

1:CMD ERR if command is issued

SUPPORTED

Read command: VTPPV? Returns

Set command: NOT

1:CMD ERR if command is issued

measure-unit,value

string

SUPPORTED Help command: NOT

1:CMD ERR if command is issued

SUPPORTED

Read command: VTTNV? Returns

Set command: NOT

1:CMD ERR if command is issued

measure-unit,value

string

SUPPORTED Help command: NOT

1:CMD ERR if command is issued

SUPPORTED

Read command: VTPNV? Returns

Set command: NOT

1:CMD ERR if command is issued

measure-unit,value

string VTPNV (Volume Totalizer Partial

SUPPORTED

- 58 - RS232_485_ETP_MODBUS_BU_REV02.doc

its technical measure unit. Returns two comma-separated fields, the technical unit symbol and the numeric value.

CUTPV (CUrrency Totalizer Positive Value) Reads the

converted currency value relative to the partial positive totalizer and its currency unit. Returns two comma-separated fields, the unit symbol and the numeric value.

CUTNV (CUrrency Totalizer Negative Value) Reads the

converted currency value relative to the partial negative totalizer and its currency unit. Returns two comma-separated fields, the unit symbol and the numeric value.

AIN1V (Analog INput 1 Value)

Reads the value of the analog input 1 and its associated technical unit. Returns two commaseparated fields, the unit symbol and the numeric value.

BATTS (BATTery Status) Reads

the estimated residual capacity of the battery. Returns the percent symbol and value separated by the comma.

ALARM (ALARM status) Reads

the alarm status of the instrument. Returns a CSV list of all active alarm.

Name and description Modes Returned values or codes

ACODE (Access CODE)

MODSV (MODel and Software Version)

CLIST(Command LIST)

Help command: NOT

1:CMD ERR if command is issued

SUPPORTED

Read command: CUTPV? Returns

currency-symbol,value

string

1:CMD ERR if currency mode not

enabled

Set command: NOT

1:CMD ERR if command is issued

SUPPORTED Help command: NOT

1:CMD ERR if command is issued

SUPPORTED

Read command: CUTNV? Returns

currency-symbol,value

string

1:CMD ERR if currency mode not

enabled

Set command: NOT

1:CMD ERR if command is issued

SUPPORTED Help command: NOT

1:CMD ERR if command is issued

SUPPORTED

Read command: AIN1 V? Returns

measure-unit,value

string

1:CMD ERR if analog input 1 not

enabled

Set command: NOT

1:CMD ERR if command is issued

SUPPORTED Help command: NOT

1:CMD ERR if command is issued

SUPPORTED

Read command: BATTS? Returns

Set command: NOT

1:CMD ERR if command is issued

%,value

string

SUPPORTED Help command: NOT

1:CMD ERR if command is issued

SUPPORTED

Read command: ALARM? Returns all active alarms in CSV format

Set command: NOT

1:CMD ERR if command is issued

SUPPORTED Help command: NOT

1:CMD ERR if command is issued

SUPPORTED

AUXILIARY SET COMMAND

Read command: ACODE? Required access level: 2

String value if command accepted

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

Set command: ACODE

string

=

0:OK if parameters accepted 1:CMD ERR if GPRS not enabled 2:PARAM ERR if

string

out of range

5:ACCESS ERR if insufficient access level

Help command: ACODE

=?

NUMERIC RANGE if accepted 1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

Read command: MODSV? String value if command accepted

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

Read command: CLIST? String value if command accepted

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

- 59 - RS232_485_ETP_MODBUS_BU_REV02.doc

CFLST (Configuration LiST)

COMMANDS AND FUNCTION S SPEC IF IC TO GPRS COMMUNICATION

Name and description Modes Returned values or codes

GPAPN (GPrs Access Point Name)

Reads or sets the GPRS network access point name. This parameter must be set accordingly to what is specified by the wireless operator and it is a string of max. 31 characters length.

GPUSR (GPrs USeR) Reads or sets

the GPRS network access user name. This parameter must be set accordingly to what is specified by the wireless operator and it is a string of max. 15 characters length.

GPPSW (GPrs PaSsWord) Sets the

GPRS network access password. This parameter must be set accordingly to what is specified by the wireless operator and it is a string of max. 7 characters length.

GPEMF (GPrs EMail From) Reads or

sets the GPRS network email sender address. This parameter must be set to an existing mail address. The maximum length is 31 characters.

Address of sender : this address will be used in case of the mail server cannot deliver the message to the final destination. In this case the message will be bounced to the sender, so it is possible to detect the error.

GPEMT (GPrs EMail To) Reads or

sets the GPRS network email receiver address. This parameter must be set to an existing mail address. The maximum length is 31 characters.

Address where the converter send the e-mail ( data )

Read command: CFLST? The list command if command accepted

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

Read command: GPAPN?

String value if command accepted

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

Set command:

GPAPN=

string

0:OK if parameters accepted 1:CMD ERR if GPRS not enabled 2:PARAM ERR if

string

out of range

5:ACCESS ERR if insufficient access level

Help command: GPAPN=? MAX 31 CHR STRING if accepted

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

Read command: GPUSR?

String value if command accepted

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

Set command:

GPUSR=

string

0:OK if parameters accepted 1:CMD ERR if GPRS not enabled

string

2:PARAM ERR if

out of range

5:ACCESS ERR if insufficient access level

Help command: GPUSR=? MAX 15 CHR STRING if accepted

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

Read command: NOT SUPPORTED Set command:

GPPSW=

string

1:CMD ERR if command issued 5:ACCESS ERR if insufficient access level 0:OK if parameters accepted 1:CMD ERR if GPRS not enabled 2:PARAM ERR if

string

out of range

5:ACCESS ERR if insufficient access level

Help command: GPPSW=? MAX 7 CHR STRING if accepted

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

Read command: GPEMF?

String value if command accepted

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

Set command:

GPEMF=

string

0:OK if parameters accepted 1:CMD ERR if GPRS not enabled

string

2:PARAM ERR if

out of range

5:ACCESS ERR if insufficient access level

Help command: GPEMF=? MAX 31 CHR STRING if accepted

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

Read command: GPEMT?

String value if command accepted

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

Set command:

GPEMT=

string

0:OK if parameters accepted 1:CMD ERR if GPRS not enabled 2:PARAM ERR if

string

out of range

5:ACCESS ERR if insufficient access level

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Help command: GPEMT=? MAX 31 CHR STRING if accepted

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

GPURL (GPrs URL) Reads or sets

the GPRS network URL used to fetch the dynamic document in the http server that performs the time synchronization. The trailing “/” preceding the URL and the eventual “http://” must be omitted. The maximum length is 31 characters.

GPASN (GPrs Authorized Sender Number) Reads or sets the GPRS

network SMS authorized number from which the device can accept SMS commands. The value can match exactly the sender number or can be the first part only, leaving the possibility to use adjacent valid sender numbers. The maximum length is 18 characters.

GPAUT (GPrs Authentication Type)

Reads or sets the GPRS authentication type used to access the network. This parameter must be set accordingly to what specifies the wireless operator and it can be: 0=Normal (PAP), 1=Secure (CHAP), 2=None.

GPESE (GPrs Email Send Enable)

Enables or disables the sending of the emails using the GPRS terminal. Valid only if the RS232 port is installed and enabled. Valid only if the GPRS terminal is installed and enabled.

GPDTS (GPrs DaTa Send) Sends an

email containing data coming from the enabled loggers using the GPRS terminal.

GPCFS (GPrs ConFiguration Send)

Sends an email containing all the configuration data of the instrument

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Read command: GPURL?

Set command:

GPURL=

Help command: GPURL=? MAX 31 CHR STRING if accepted

Read command: GPASN?

Set command:

GPASN=

Help command: GPASN=? MAX 18 CHR STRING if accepted

Read command: GPAUT?

Set command: GPAUT=

Help command: GPAUT=?

Read command: GPESE?

Set command: GPESE=

Help command: GPESE=? List of

Read command: NOT SUPPORTED

Set command: GPDTS=1

Help command: GPDTS=? 1:EXECUTE

Read command: NOT SUPPORTED

string

n

String value if command accepted

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level 0:OK if parameters accepted 1:CMD ERR if GPRS not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access level

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

String value if command accepted

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level 0:OK if parameters accepted 1:CMD ERR if GPRS not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access level

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

value of auth. type if command accepted

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level 0:OK if parameters accepted

n

1:CMD ERR if GPRS not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access level

min <> max

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

Status of email send functions if accepted

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access level 0:OK if parameters accepted 1:CMD ERR if RS232 port not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access level

num:description

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access level 1:CMD ERR if read command is issued

0:OK if parameters accepted 1:CMD ERR if RS232 port not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access level

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access level 1:CMD ERR if read command is issued 5:ACCESS ERR if insufficient access level

string

n

out of range

if accepted

n

out of rang

n

not equal to 1

if accepted

out of range

if accepted

using the GPRS terminal.

GPESI (GPrs Email Send Interval)

Reads or sets the value of the time interval used to send the emails.

GPSCI (GPrs Sms Check Interval)

Reads or sets the value of the time interval used to check the sms.

GPCSE (GPrs Clock Sync Enable)

Enables or disables the synchronization of the clock using the GPRS terminal.

GPSMP (GPrs SMtp Port) Reads or

sets the GPRS network SMTP port used to exchange the email data. Usually is the TCP port 25.

GPHTP (GPrs HTtp Port) Reads or

sets the GPRS network HTTP port used to exchange the time synchronization data. Usually is the TCP port 80, but BEWARE: some wireless operator block this port and reroute it to their proxy servers.

Set command: GPCFS=1

Help command: GPCFS=? 1:EXECUTE

Read command: GPESI?

Set command: GPESI=

Help command: GPESI=? List of

Read command: GPSCI?

Set command: GPSCI=

Help command: GPSCI=? List of

Read command: GPCSE?

Set command: GPCSE=

Help command: GPCSE=? List of

Read command: GPSMP?

Set command: GPSMP=

Help command: GPSMP=?

Read command: GPHTP?

Set command: GPHTP=

0:OK if parameters accepted 1:CMD ERR if RS232 port not enabled

n

2:PARAM ERR if 5:ACCESS ERR if insufficient access level

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access level

Email send time interval if accepted

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access level 0:OK if parameters accepted

n

1:CMD ERR if RS232 port not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access level

num:description

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access level

SMS check interval if accepted

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access level 0:OK if parameters accepted

n

1:CMD ERR if RS232 port not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access level

num:description

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access level

Status of clock sync functions if accepted

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access level

n

0:OK if parameters accepted 1:CMD ERR if RS232 port not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access level

num:description

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access level

value of SMTP port if command accepted

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level 0:OK if parameters accepted

n

1:CMD ERR if GPRS not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access level

min <> max

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

value of HTTP port if command accepted

1:CMD ERR if GPRS not enable 5:ACCESS ERR if insufficient access level

n

0:OK if parameters accepted 1:CMD ERR if GPRS not enabled 2:PARAM ERR if 5:ACCESS ERR if insufficient access level

not equal to 1

if accepted

n

out of range

n

out of range

n

out of range

n

out of range

if accepted

n

out of range

if accepted

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GPSMA (GPrs SMtp Address) Reads

or sets the GPRS network SMTP server address used to exchange the email data. It must be specified in the IP-range notation.

GPHTA (GPrs HTtp Address) Reads

or sets the GPRS network HTTP server address used to exchange the clock synchronization data. It must be specified in the IP-range notation.

GPSME (GPrs SMs Send Enable)

Enables or disables the functions related to the SMS using the GPRS terminal.

GPSSN (Gprs Sms Send Number)

telephone number to sent the SMS

Help command: GPHTP=?

min <> max

if accepted 1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

Read command: GPSMA?

IP address if command accepted

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

Set command:

GPSMA=

ip-range

0:OK if parameters accepted 1:CMD ERR if GPRS not enabled 2:PARAM ERR if

ip-range

malformed

5:ACCESS ERR if insufficient access level

Help command: GPSMA=?

xxx.xxx.xxx.xxx

if accepted 1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

Read command: GPHTA?

IP address if command accepted

1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

Set command: GPHTA=

range

0:OK if parameters accepted

ip-

1:CMD ERR if GPRS not enabled 2:PARAM ERR if

ip-range

malformed

5:ACCESS ERR if insufficient access level

Help command: GPHTA=?

xxx.xxx.xxx.xxx

if accepted 1:CMD ERR if GPRS not enabled 5:ACCESS ERR if insufficient access level

Read command: GPSME?

Status of SMS functions if accepted

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access level

Set command: GPSME=

0:OK if parameters accepted

n

1:CMD ERR if RS232 port not enabled 2:PARAM ERR if

n

out of range

5:ACCESS ERR if insufficient access level

Help command: GPSME=? List of

num:description

if accepted 1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access level

Read command: GPSSN?

Number set if accepted

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access level

Set command: GPSSN =

n

0:OK if parameters accepted 1:CMD ERR if RS232 port not enabled

n

2:PARAM ERR if

out of range

5:ACCESS ERR if insufficient access level

Help command: GPSSN =? MAX 19 CHR STRING if accepted

1:CMD ERR if RS232 port not enabled 5:ACCESS ERR if insufficient access level

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3.3.15. ETP COMMAND LIST IN ALPHABETICAL ORDER

ETP COMMANDS IN ALPHABETICAL ORDER

232PT, rs232 protocol type 232SP, rs232 speed 485PT, rs485 protocol type A1CP1, analog input 1 calibration point 1 A1CP2, analog input 1 calibration point 2 A1CSY, analog input 1 custom symbol A1FSV, analog input 1 full scale value A1MUV, analog input 1 measure unit value A1SSV, analog input 1 start scale value ACALE, auto calibration enable ACODE, access code ACODE, Access CODE AIN1V, analog input 1 value ALARM, alarms status ARNGE, auto range enable ATHYS, alarm thresholds hysteresis ATSIC, auto-test immediate command BATEN, battery elements number BATTS, battery status BATUC, battery used capacity C1CP1, current output 1 calibration point 1 C1CP2, current output 1 calibration point 2 CALIC, calibration immediate command CALIE, calibration input enable CFFKA, coefficient KA CFFKR, coefficient kr CFFKS, coefficient ks CFFKT, coefficient kt CFFKZ, coefficient kz CFLST, configuration list CH1PT, channel 1 pulse time CH1PV, channel 1 pulse value CH2PT, channel 2 pulse time CH2PV, channel 2 pulse value CKLN0, CKLN1, CKLN2, CKLN3, CKLN4, CKLN5, coefficient KL negative 0, 1, 2, 3, 4, 5 CKLP0, CKLP1, CKLP2, CKLP3, CKLP4, CKLP5, coefficient KL positive 0, 1, 2, 3, 4, 5 CLIST, Command LIST CMRIC, complete memory reset immediate command CO1FM, current output 1 field mode CO1FS, current output 1 full scale CO1SS, current output 1 start scale CRRMA, coil regulator regulation margin CRVRF, coil regulator voltage reference CUCSS, currency custom symbol CUDEC, currency decimal ciphers CUNCF, currency negative conversion factor CUPCF, currency positive conversion factor CUSYT, currency symbol type CUTNV, currency totalizer negative value CUTPV, currency totalizer positive value DLDRD, data logger data read DLDRE, data logger data reset DLDSE, data logger data send enable DLERD, data logger event read

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DLERE, data logger event reset DLESE, data logger event send enable DLGSI, data logger sample interval DLMRD, data logger min/max read DLMRE, data logger min-max reset DLOGE, data logger enable DLTPT, data logger test stop time DLTST, data logger test start time DLTTI, data logger test time interval DLUSE, data logger measure units send enable DLYRD, data logger dynamic data read DLYRE, data logger dynamic data reset DLYSE, data logger dynamic data send enable DTIME, date / time DTSDL, DaTa Send DeLay DTSOF, data logger test start off DTSON, data logger test start on DVADR, device address ENSDT, energy saving display time ENSST, energy saving sample interval ENSVE, energy saving enable EPDAT, empty pipe detection alarm threshold EPDCC, empty pipe detection calibration command EPDEN, empty pipe detection enable EPDGV, empty pipe detection gain value FRANN, flow rate alarm min negative FRANP, flow rate alarm min positive FRAXN, flow rate alarm max negative FRAXP, flow rate alarm max positive FRFS1, flow rate full scale 1 FRFS2, flow rate full scale 2 FRMUT, flow rate measure unit type FRMUV, flow rate measure unit value FRSRN, flow rate scale range number FRVPC, flow rate value percent FRVTU, flow rate value technical unit GPAPN, gprs access point name GPASN, gprs authorized sms number GPAUT, gprs authentication type GPCFS, gprs configuration Send GPCSE, gprs clock sync enable GPDTS, gprs data send GPEMF, gprs email address from GPEMT, gprs email address to GPESE, gprs email send enable GPESI, gprs email send interval GPHTA, gprs http address GPHTP, gprs http port GPPSW, gprs password GPRTE, gprs terminal enable GPSCI, gprs sms check interval GPSMA, gprs smtp address GPSME, gprs sms enable GPSMP, gprs smtp port GPSSN, Gprs Sms Send Number GPURL, gprs time url GPUSR, gprs user GSCLN, GSm CaLl Number GSITM, Gsm Inactivity TiMeout ICALE, ignore calibration errors

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IF2PT, IF2 protocol type L2ACD, level 2 access code LFDIC, load factory defaults immediate command LLANG, layout language LUDIC, load user data immediate command MFCUT, measure filter cut-off threshold MFMXT, measure filter max variation threshold MFSKT, measure filter skip threshold MFTCV, measure filter time constant value

MODBP, MODBus Parity

MODSV, MODel and Software Version MSIEN, measure simulation enable OCACV, output current alarm condition value OUT1F, output 1 function OUT2F, output 2 function PDIMV, pipe diameter value QSTME, Quick STart Menu Enable ROAME, ROAMing Enable SCAPE, SCADA Protocol Enable SEVSE, Sms Event Send Enable SFDIC, save factory defaults immediate command SFREQ, sampling frequency SIPOS, sensor insertion position SMODL, sensor model SPDSC, Sms Process Data Send Command SPDSE, Sms Process Data Send Enable SRCIE, scale range change input enable SRNUM, serial number STBYC, STandBY Command SUDIC, save user data immediate command SZPCC, sensor zero point calibration command SZPCR, sensor zero point calibration reset TCLIE, totalizers count lock input enable TCMDE, totalizers currency mode display enable TONTM, total on time TTNVE, TOTalizers Net Value Enable VMSGC, volume to mass specific gravity coefficient VTDPP, volume totalizers decimal point position VTMUT, volume totalizers measure unit type VTMUV, volume totalizers measure unit value VTPNE, volume totalizer partial negative reset enable VTPNR, volume totalizer partial negative reset VTPNV, volume totalizer partial negative value VTPPE, volume totalizer partial positive reset enable VTPPR, volume totalizer partial positive reset VTPPV, volume totalizer partial positive value VTTNE, volume totalizer total negative reset enable VTTNR, volume totalizer total negative reset VTTNV, volume totalizer total negative value VTTPE, volume totalizer total positive reset enable VTTPR, volume totalizer total positive reset VTTPV, volume totalizer total positive value WKUIE, wake-up input enable

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4. HTP PROTOCOL (HYPER TEXT PROTOCOL)

4.1. INTRODUCTION

HTP protocol is a set of command used only with the RS 232 serial port of the converter. A standard application suitable for this purpose is the Windows program “HyperTerminal”.

4.2. DESCRIPTION AND USE

Connect the flow meter to the PC with the IF21 cable. On the flow meter, set the function “IF2 prot.= HTP” on the menu “7-Communication”. Start the HyperTerminal application and set its property as follows:

¾ CO M port: select DIRECT CONNECT ION with the port where the IF2 c able is plugged and o pen

the dialog for configuring the port, set the following property:

• Bits per second: 38400

• Data bits: 8

• Parity: none (no parity)

• Stop bits: 1

• Flow control: none (no control lines nor xon/xoff characters used)

¾ O pen the Settings tab an d set terminal t ype as “ANSI”, leav e all parameters s et as default, open

“ASCII setup” dialog and check the following:

• ASCII Sending: check the “Send line ends…” box

• Line delay: set to 1000 milliseconds

• Character delay: set to 10 milliseconds

• Verify that the box “Echo typed characters locally” is UNCHECKED, if it is checked,

uncheck it

• ASCII Receiving: check the last box “Wrap lines…”, all others must be unchecked

When the settings are f inished and if it is no t yet on-line, clic k on the icon “c onnect” and if you want , save the settings with a ne w name. Tr y to type the comm and MODSV? and conf irm it press ing the “enter” k ey. The flow meter should respond with its model name and software version. If the flow meter doesn’t respond, verify that it is alive and all the connections and the settings are ok. Try also to send the command more times, since the flow meter may shut down the communication automatically when it detects no line activit y for more than 30 seconds. When t he communication is succes sful, the system is ready to enter the configuration data, as explained in the next section.

It is also possible to r etrie v e and to s a ve th e c omplete set of configuratio n parameters of the instrum ent. To do so, select “Tr ansfe r” on the m enu bar of the Hyper terminal and choos e “C apture tex t”. Gi ve a f ile nam e in the dialog box that will appear. W rite on the screen the command “ACODE=xxxxx,CFLST?” , where xxxxx stays for the Level 2 code set in the instrument, and press “enter”. You will see a series of lines scrolling on the d isplay. When the listing is finished, go to the “T ransfer” menu, s elect “Capture Tex t” and finally “Stop”. The file saved contains the complete configuration list.

If now you want to set the complete parameters list into the instrument, proceed as illustrated.

• Open the saved file with N o tep ad or s imilar application and de lete the first and the las t li nes, wh ere you see the “ACODE=xxxxx,CFLST?” command and the “0:OK” answer.

- 67 - RS232_485_ETP_MODBUS_BU_REV02.doc

• Save the modified file and close the Notepad application.

• Send the following command to the instrument: “ACODE=xxxxx,L2ACD=0”, where the xxxxx stays

for the actual L2 code set in the instr ument. T his disables the Level 2 c ode, otherwise it should be necessary to repeat the command “ACODE=xxxxx” at each line.

• Select “T ransfer” on the menu bar of the H yper terminal, and choose “Send Text”: a dialog box window will appear

• Set the filename that you have modified before as the f ile to be send in the dialog box and press “enter”

• The displa y will show a series of lines scrolling, with all the configurat ion parameters contain ed in the file.

• Wait until the last command is sent.

• Eventually set again the Level 2 code with th e command “L2ACD=xxxxx”. Do not forget the code

entered now!

NOTE: some commands sent with this method probably will fail with a “1:CMD ERR”, “2:P ARAM ERR” or “5:ACCESS ERR” message. This is normal because some parameters can be read at certain access level bu t they can’t be written at th e sam e lev el, o r some o thers can be read but t he y can’t be written in the actual configuration context.

4.3. HTP PROTOCOL

The HTP protocol ( with only one “T”, to be not conf used with the HTTP protocol, which is a completely different thing) is a v ery simple way to exchange data between the flow meter and an application like the Windows-based H yper- T erminal. With the HTP protoc ol it is p os s ible to r ead and to writ e th e par ameters of the flow meter and to perform some internal functions. The data are exchanged using ASCII strings terminated by the c arriage-return charac ter. The maxim um size of the input or t he output strings is a bout 1000 characters when a terminal is attached directly to the serial port, or 160 characters if the communications is performed using SMS. When the maximum size is exceeded in the input, the entire string entered is d iscarded and an error m essage is issued. W hen the maximum size is exceeded in the output, the execution of the commands is still perfor med but the output information are lost and an error message is issued. T he output string length depends exclus ively on the type of commands given in th e input, some comm ands produces a ver y short answer and some oth er gives a ve ry long string . Care m ust be taken to not saturate the output capacity, otherwise the expected information will be lost.

IMPORTANT: Befor e accessing or modifying some param eters, a privilege level must be acquired. T his can be done sending an ac cess code that m atc hes the L2 code of flow m eter as f irst c omm and in the input string (ACODE=n). The code lifetim e is limited to the exec ution of the string that contai n it, when the input string is evaluated completely, it expires. Thus it is necessary to provide the access code each time a parameter must be change d or ins pected. If the L2 code of the ins trument is set to zero, the access c ode is no more necessary.

Special characters . The following c haracters hav e special m eaning in the prot ocol and thus they can’t be used for other purposes:

• <CR> carriage-re t urn c h ar a c ter, v alu e 13 dec imal, 0D hexadecim al, ter minates the input str in g and starts the elaboration

• <LF> line-feed character, valu e 10 decim al, 0A hexadecim al, may follo ws the <CR> but it is ne ver considered

• ? question mark character, value 63 decimal, 3F hexadecimal, it is an operator

• = equal sign character, value 61 decimal, 3D hexadecimal, it is another operator

• : colon character, value 58 decimal, 3A hexadecimal, it is the comment-separator

• , comma character, value 44 decimal, 2C hexadecimal, it is the command-separator

character

- 68 - RS232_485_ETP_MODBUS_BU_REV02.doc

General input syntax. The information are entered in the flow m eter as text line str ings, with one or m ore

command-sequences

same order as they are f ound in the string. The execution of the commands contained in the i nput string does not start until the <CR > char ac ter is r ecei ve d. T he opti on al < LF > ch ar acter that may follows the <CR> is not considered but it is accepted because usuall y the Hyper-Terminal or sim ilar application sends als o this extra character when the <CR> is sent.

As a rule, an input string is composed of one or more command-sequences character and an optional <LF> character.

The command-sequence

• A five-letter mnemonic command

• An operator

• An optional value

• An optional comment-separator

• A comment

• An optional command-separator

With the exception of the comment command-sequence

Command. The commands are always represented by a five-letters mnemonic code and are case insensitive, so f or example the command MODSV c an be written “MODSV”, “ Modsv”, “modsv”, “mOdSv” and in any combination of upper / lower case letters.

Operator. The operators p ermit to choose one of the thr ee possible functions associated to the comm and at which they are attached and they are:

• READ, indicated by the ? symbol. It is used to read values.

• SET, indicated by the = symbol. It is used to set values.

• HELP, indicated by the =? s equence of s ymbols. It is used to disp la y a set of opt ions or a range of

permissible values related to the command

Value. The values can be numbers, strings or special formatted fields like the date / time or the IP addresses, depending on what it is expected b y the command validity range and s trings are c hecked for length. I P addresses and date / tim e fields are check ed only for the correct syntax but not f or the valu es, s o pleas e be care ful, b ecause in cas e o f m isspelled c harac ters or wrong numeric values the result may be different from what it is expected. In case of floating-point numbers, the decimal point symbol to be used is the dot (.), not the comma (,).

Comment-separator. This is an opt ion al element and it is indicated by the : symbol. Comment. This element may be present only when the value

composed by numbers and descriptions. Normally the user doesn’t have to supply both, but in case of copying and pasting some values coming from a previously listed configuration, this ensures the full compatibility between the output and the input formats.

Command-separator. This element is required when more than one command-sequence is subm itted in an input string and it is indicated with the , symbol.

For each command-sequence types, depending on it:

• a result code

• an expression

• a list of options

terminated by the <CR> character. The command-sequences are executed in the

, terminated by the <CR>

is composed by the following elements, exactly in this order:

, always present

, present only when requested by the operator type

, may be present if it is also present the value

, present only if it is also present the comment-separator

, present only if another command-sequence follows it

element, no other extra characters or spaces are allowed in the

.

. Numeric values are always checked for

to input belongs to a list of options,

recognized and executed, the f low meter r eturns one of the following ou tput

, when a function execution was requested

, when a parameter or a process data value was requested

or a range of values, when an help on a param eter was reques te d

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Each answer is sep arated from the other by the com ma symbol (the s ame used as command-separator

). The complete output str ing is terminated by a <CR><LF> sequence. Unrec ognized command-sequences are silently discarded without response and without halting the execution of the next sequence, if it is present. Illegal par am eter’s valu es and operatio ns perfor med in wrong contex ts are r eported and ide ntified by error codes.

Result-code. The form at of the results is the f ollowing: code-number:description, with out an y blank s paces separating the number from the description. There are six possible result-codes

:

• 0:OK, the execution was correct

• 1:CMD ERR, wrong context, execution was not possible due to a configuration limit or wrong

working conditions

• 2:PARAM ERR, the expected parameter was out of the allowed range

• 3:EXEC ERR, the execution of the command was not successful due to an internal error condition

• 4:RANGE ADJ, the entered parameter caused an internal automatic adjustment on other ranges

• 5:ACCESS ERR, the ex ecution of the comm and was not possible due to an insufficient privilege

level

• 6:BUFFER FULL, the input or the output strings exceed the maximum allowable space.

Expression. An expression may be a num ber , a s trin g or a combination of both. Usual l y th is type of output

is given when a read operation on some parameter is requested. List of Option. This type of output is given when a help on a parameter that requires multiple options is

requested. The structure is similar of that used for the result-codes

: option-number:description.

Range of values. This type of output is given when a help on a parameter that requires a value is requested. In this case the output takes this form: minimum-value <> maximum-value (units).

Mnemonic command list. For the l ist of the c omm and see the ETP protoc ol sec tion The l ist of m nemonic are the same of the ETP protocol.

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5. MODBUS FIELD BUS

5.1. INTRODUCTION

In this section of the manual there is the description of the Modbus field bus implemented in the converter. The Modbus field bus is available in the RS232 and RS485 serial port of the converter.

5.2. RS485 HARDWARE CONNECTION

For the hardware connection see the relative section in this manual.

5.3. DATA WORD FORMAT

The data bytes travelling in serial form on the communication line are enclosed in 10 bits:

1 START BIT 8 DATA BITS = 1 BYTE DI DATI 1 STOP BIT

words

which have a fixed length of

Each word contains one byte of data plus additional bits which serve to synchronise and make the communication safer. These extra bits are added automatically in the transmission phase by the transmitter integrated circuit. In the reception phase, the reverse operation is executed by the receiver integrated circuit: the eight data bits are extracted and the others are eliminated. These operations are executed entirely on a hardware level. The 8 data bits must be serialised staring from bit 0 (the least significant one).

5.4. COMMUNICATION SPEED

The millennium series instruments have 4 communication speeds::

• 4800 bps

• 9600 bps

• 19200 bps

• 38400 bps

5.5. SERIAL PORT SETTINGS

Serial port settings:

• Data bits: 8

• Parity: Menu «7-Communication», function - «Parity»

• Stop bits: 1

• Flow control: none (no control lines no xon/xoff characters used)

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5.6. PARAMETER SETTINGS

MODBUS PARAMETERS SETTINGS FOR THE CONVERTER:

• Menu «7-Communication», function - «Parity»: set the control of the parity for the byte frame in MODBUS

communication. This function affect all the serial port that communicate with MODBUS protocol. The possible value are: EVEN (default), NONE and ODD.

• Menu «7-Communication», function - «RS485 pr.»: the function select protocol type for the RS 485 serial

port. Select the value MODBUS.

• Menu «7-Communication», function - «RS232 pr.»: the function select protocol type for the RS 232 serial

port. Select the value MODBUS.

Refer to the relative section of the serial port selected for the other type of parameter like port speed etc.

5.7. STANDARD FUNCTIONS

For the MODBUS protocol, the converter ha the function of SLAVE device. The MASTER of the MODBUS network see the Converter as a set of register of 1 bit or 16 bit. The data are supplied with list of fixed address grouped in tables with different length.

• FUNCTION 01, send of Status Batch. This command return variables of bit type.

Addresses(Hex format) Bit Description

0000 1 = batch process is running, 0 = batch process

correctly terminated

0001 1 = batch process is suspended, 0 = batch

process is running or terminated

• FUNCTION 03, send process data, data logger data, data logger events and batch memory. This

command return 16 bit variables that are linked to form floating-point (float) o 32 bit long-integer (long) variables type. The high side of the word (MSW) is on even address, the low side of the word (LSW) is in the immediately following address. The addresses are in HEX format.

NOTE: when the requ est is for the data of the data logger or the event lo gger that is not valid (data not still collected), the returned value are = FFFFFFFF (hex).

Addresses table:

Addresses(Hex format) Description

0000-0025 0064-02E3

03E8-04E7

07D0-084F

0BB8

Process Parameters

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process data data logger value, grouped in 32 blocks contiguous from 20 registries of memory to 16 bit for every block data logger events, grouped in 64 blocks contiguous from 4 register of memory to 16 bit for every block values of batch memories, grouped in 64 blocks contiguous from 8 registers of memory to 16 bit for every block index of the batch memory current in use

Addresses(Hex format) Description

0000-0001 Flow rate in % (float) 0002-0003 Flow rate in technical unit (float) 0004-0005 Totalizer for total volume positive T+ (V+ for ML211)

(long)

0006-0007 Totalizer for partial volume positive P+ (V- for ML211)

(long)

0008-0009 Totalizer for total volume negative T- (E+ for ML211)

(long)

000A-000B Totalizer for partial volume negative P- (E- for ML211)

(long) 000C-000D Clock value in seconds (long) 000E-000F Input value AIN1 in technical unit (opt.) (float) 0010-0011 Input value AIN2 in technical unit (opt.) (float) 0012-0013 Thermal power value in % (ML211) (float) 0014-0015 Thermal power value in technical unit (ML211) (float) 0016-0017 Delta T value in technical unit (ML211) (float) 0018-0019 Temperature value T1 in technical unit (ML211) (float) 001A-001B Temperature T2 value in technical unit (ML211) (float) 001C-001D Set-point value in % (ML212) (float) 001E-001F Output value in % (ML212) (float) 0020-0021 Deviation value in % (ML212) (float) 0022

Process flags:

Bit 0 (LSB) = excitation is too fast for the sensor

connected / temperature error ML211

Bit 1 = max alarm is active

Bit 2 = min alarm is active

Bit 3 = flow rate exceeds the scale range, overflow

Bit 4 = too many impulse to emit

Bit 5 = measurement signal is disturbed or sensor

disconnect

Bit 6 = empty tube

Bit 7 = coils not working or sensor disconnect

Bit 8 = second measurement scale is active

Bit 9 = flow rate is lower than the cut-off threshold

Bit10 = flow rate negative

Bit11 = new measurement value is available for the

display

Bit12 = counter block signal is active

Bit13 = batch in progress

Bit14 = calibration cicle in progress

Bit15 (MSB) = flow rate simulation in progress 0023 Input Flags AIN1/2:

Bit 2 = input error AIN1

Bit 3 = input error AIN2

(bit 0-1 e 4-15 not used, value = 0) 0024

Flags ML211:

Bit 0 (LSB) = max alarm thermal power

Bit 1 = min alarm thermal power

Bit 2 = max alarm delta T

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Bit 3 = min alarm delta T

Bit 4 = max alarm temp. T1

Bit 5 = min alarm temp. T1

Bit 6 = max alarm temp. T2

Bit 7 = min alarm temp. T2

(bit 8-15 not used, value = 0)

0025 Flags ML212:

Bit 0 (LSB) = command error actuator

Bit 1 = deviation error

Bit 2 = Input error AIN1

Bit 3 = Input error AIN2

Bit 4 = manual regulation active

Bit 5 = safety mode active

(bit 6-15 not used, value = 0)

Data Logger values

Addresses(Hex format) Description

0064-0077 Data block record n.1 of the Data logger 0078-008B Data block record n.2 of the Data logger … … … … … … 02D0-02E3 Data block record n.32 of the Data logger

In the following table there is the description of the structure of data of the first generation of the Data Logger, the following records are the same but in different addresses respect the new version.

Addresses(Hex format) Description

0064-0065 Date and time of the record in second (long) 0066-0067 Totalizer value positive (long) 0068-0069 Totalizer value negative (long) 006A-006B Flow rate in technical unit (float) 006C-006D Energy value pos. (ML211) (long) / Input AIN1 (float) 006E-006F Energy value neg. (ML211) (long) / Input AIN2 (float) 0070-0071 Thermal power in technical unit (ML211) (float) 0072-0073 Delta T value in technical unit (ML211) (float) 0074-0075 Temperature value T1 in technical unit (ML211)

(float)

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0076-0077 Temperature value T2 in technical unit (ML211)

(float)

The returned values are at FFFFFFFF (hex) when the request da ta is not valid in the data logger (data not still collected).

Data Logger events

Addresses(Hex format) Description

03E8-03EB Data block record n.1 of the Event logger 03EC-03EF Data block record n.2 of the Event logger … … … … … … 04E4-04E7 Data block record n.64 of the Event logger

In the following table there is the description of the data structure of the first generation of the event logger, the following records are the same but in different addresses respect the new version.

Addresses(Hex format) Description

03E8-03E9 Date/Time of the record in seconds (long) 03EA-03EB Events (long):

Bit 0 = err. Temp. probe (ML211) / Batch Alarm

Bit 1 = max alarm flow rate

Bit 2 = min alarm flow rate

Bit 3 = scale range value overflow

Bit 4 = output saturated impulses

Bit 5 = input error measurement

Bit 6 = measuring tube empty

Bit 7 = coils excitation interrupted

Bit 8 = max alarm thermal power (ML211)

Bit 9 = min alarm thermal power (ML211)

Bit10 = max alarm delta T (ML211)

Bit11 = min alarm delta T (ML211)

Bit12 = max alarm temp. T1 (ML211)

Bit13 = min alarm temp. T1 (ML211)

Bit14 = max alarm temp. T2 (ML211)

Bit15 = min alarm temp. T2 (ML211)

Bit16 = current loop 4-20 mA interrupted

Bit17 = power supply error

Bit18-23 = not used, value = 0

Bit24 = command error actuator (ML212)

Bit25 = deviation error (ML212)

Bit26 = input error AIN1 (ML212 / ML210 opz.)

Bit27 = input error AIN2 (ML212 / ML210 opz.)

Bit28 = manual setting (ML212)

Bit29 = safety output regulator (ML212)

Bit30-31 = not used, value = 0

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• FUNCTION 05, execution of command of type on/off. For the standard MODBUS, this function is

The returned values are at FFFFFFFF (hex) when the request da ta is not valid in the data logger (data not still collected).

NOTA: when the value of the single long-integer variable, which contains the event flags, is 000300FF (hex) the meaning is a ‘ Restart of the converter’ and the single bit has not significant.

Batch memory values

Addresses(Hex format) Description

07D0-07D7 Data block memory batch n. 0 07D8-07DF Data block memory batch n. 1 … … … … … … 0848-084F Data block memory batch n. 15

In the following table there is the structure of the data refer to the first batch memory, the other memories are the same but in different addresses.

Addresses(Hex format) Description

07D0-07D3 Name of the product refer to the batch memory

(8 length string characters)

07D4 Counter of the number of batch with this

product

07D5 Safety timer value in tenths of second (10 =

1.0 seconds)

07D6-07D7 Batch value in technical (long)

NOTE: for readi ng th e batc h me mori es is nec es sar y to s et O N th e Ba tc h func ti on, batc h function. If the batch function is disabled the system return the exception code n. 4.

Index value of the batch memory current in use

Addresses(Hex format) Description

0BB8 Index value of the batch memory current in use

NOTE: for reading the index value of the batch memory is necessary to activate the batch function. If the batch function is disabled the system return the exception code n. 4.

used only for set the state of variable type “coil” or bit, in this context the function of the variable is for change the activation state of a specific function. The two 16 bit words that follow the command are used for indicate the function type (address) and action (on or off). The “off” action

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don’t have practical effect. To every address a various function corresponds. The code number for “on” is FF00 (hex), for “off” is 0000. Others values product the exception n.3.

Addresses(Hex format) Function Description

0000 start / stop batch 0001 reset batch 0002 reset totalizers 0003 reset data logger 0004 reset events logger

NOTE: for reading the index value of the batch memory is necessary to activate the batch function. If the batch function is disabled the system return the exception code n. 4.

• FUNCTION 08, standard diagnose function of the MODBUS protocol. The following table lists the

sub-commands:

Addresses (Hex format) Function Description

0000 return query data 0001 restart communications 0004 listen mode only 000A clear counters 000B-0012 return counters value

• FUNCTION 16, function for to set parameters in the converter. As the same way as the reading

function, it is possible to write value in the memory of the meter in the format of 16 bit variables that can be append together to form floating point variables (float) or long-integer (long) with 32 bit. The high side (MSW) start at even address, the low side (LSW) start immediately the following. The addresses are expressed in hex format.

Addresses (Hex format) Function Description

07D0-084F Values batch memory, grouped in 64 contiguous blocks

of 8 register of memory at 16 bit for every block. 0BB8 Batch Memory index current in use

For the meaning of the memory location and their address go to the relative reading section.

5.8. CUSTOM FUNCTION

FUNCTION 110, execution of the ETP command. With this function it is possible to send a text

string to the meter in the ETP protocol format (see the relative section), the ETP command is embedded in the MODBUS standard protcol format. The max length of the string to send is 251 characters. The returned string form the meter is embedded with the same structure. Also in this case the max length of the returned string is 251 characters. With the ETP command is possible to set and to return the value of every parameter of the converter. For the complete list of the ETP commands see the relative section.

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Example of the sequence of bytes for return the model and the software version of the converter with the function 110 and the ETP command: MODSV. In this example the address of the converter is 0x01. ETP command is not case sensitive, “MODSV?” = “modsv?”

The MODBUS master send this sequence of bytes to the converter for reading the model and the software version: 01 6E 6D 6F 64 73 76 3F 0D 6F FE

Byte (hex format) Description

0x01 Address of the converter 0x6E Function 110(dec) = 0x6E(hex) 0x6D ‘m’ 0x6F ‘o’ 0x64 ‘d’ 0x73 ‘s’ 0x76 ‘v’ 0x3F ‘?’ 0x0D Character 13 0x6F Modbus checksum 0xFE Modbus checksum

Example of the returned string form the converter:

Byte (hex format) Description

0x01 Address of the converter 0x6E Function 110(dec) = 0x6E(hex) 0x4D ‘M’ 0x4C ‘L’ 0x20 ‘ ’ 0x31 ‘1’ 0x31 ‘1’ 0x30 ‘0’ 0x20 ‘ ’ 0x56 ‘V’ 0x45 ‘E’ 0x52 ‘R’ 0x2E ‘.’ 0x33 ‘3’ 0x2E ‘.’ 0x36 ‘6’ 0x30 ‘0’ 0x20 ‘ ’ 0x41 ‘A’ 0x70 ‘p’ 0x72 ‘r’ 0x20 ‘ ’ 0x31 ‘1’

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0x34 ‘4’ 0x20 ‘ ’ 0x32 ‘2’ 0x30 ‘0’ 0x30 ‘0’ 0x38 ‘8’ 0x0D Carriage return 0x0A Line feed 0x73 Modbus checksum 0xFE Modbus checksum

The model and the software version of the converter returned is: “ML 110 VER.3.60 Apr 14 2008”

--------------------------------------------------------------------------------------------------------------------------------------

Example of the sequence of bytes for set the Nominal Diameter of the converter with the function 110 and the ETP command: PDIMV. In this example the address of the converter is 0x01.

The MODBUS master send this sequence of bytes to the converter for setting the nominal diameter to the value 10 mm :

01 6E 50 44 49 4D 56 3D 31 30 0D 0D A0 61

Byte (hex format) Description

01 6E 50 44 49 4D 56 3D 31 30 0D A0 61

Address of the converter Function 110(dec) = 0x6E(hex) ‘P’ ‘D’ ‘I’ ‘M’ ‘V’ ‘=’ ‘1’ ‘0’ Character 13 Modbus checksum Modbus checksum

Example of the returned string form the converter: 01 6E 30 3A 4F 4B 0D 0A 31 A1

Byte (hex format) Description

01 6E 30 ‘0’

3A ‘:’ 4F ‘O’ 4B ‘K’ 0D

0A 31 A1

Address of the converter Function 110(dec) = 0x6E(hex)

Carriage return Line feed Modbus checksum Modbus checksum

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5.9. EXAMPLE OF SOURCE CODE FOR VB .NET 2005 PROJECT

The code below is intended as an example of source code for return the process data from the flow meter via Modbus protocol. The example uses the serial port control present in the tool box of the Visual Basic Net 2005 For the hardware communication it is used a converter RS232 – RS485 connected to the RS232 serial port of the pc and the RS485 port of the converter. The control line used in the example for the control of the transmission data in the RS232-RS485 converter is the RTS line. The example program is an executable application that run in a Windows XP operative system. For this reason the commutation of the RTS line is not immediately reached because the Windows XP is multithreading system and the application haven’t the direct control of the hardware. In other words there isn’t a direct control of the UART of the mother board by the application. For this reason there is possible to insert a delay time by the function A.delay in the

Communication» of the

flow meter for compensate the retarder.

Public Class Form1

Public Delegate Sub myDelegate()

Dim afIntChkHigh(0 To 255) As Integer Dim afIntChkLow(0 To 255) As Integer

Dim vfStrErrorString As String

Dim vfStrCommand As String

Dim vfStrCrc As String

Private Sub Form1_FormClosing(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing End End Sub

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles

Try

'load checksum

afIntChkHigh(0) = &H0 afIntChkHigh(1) = &HC1 afIntChkHigh(2) = &H81 afIntChkHigh(3) = &H40 afIntChkHigh(4) = &H1

Menu «7-

MyBase.L

oad

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afIntChkHigh(5) = &HC0 afIntChkHigh(6) = &H80 afIntChkHigh(7) = &H41 afIntChkHigh(8) = &H1 afIntChkHigh(9) = &HC0 afIntChkHigh(10) = &H80 afIntChkHigh(11) = &H41 afIntChkHigh(12) = &H0 afIntChkHigh(13) = &HC1 afIntChkHigh(14) = &H81 afIntChkHigh(15) = &H40

afIntChkHigh(16) = &H1 afIntChkHigh(17) = &HC0 afIntChkHigh(18) = &H80 afIntChkHigh(19) = &H41 afIntChkHigh(20) = &H0 afIntChkHigh(21) = &HC1 afIntChkHigh(22) = &H81 afIntChkHigh(23) = &H40 afIntChkHigh(24) = &H0 afIntChkHigh(25) = &HC1 afIntChkHigh(26) = &H81 afIntChkHigh(27) = &H40 afIntChkHigh(28) = &H1 afIntChkHigh(29) = &HC0 afIntChkHigh(30) = &H80 afIntChkHigh(31) = &H41

afIntChkHigh(32) = &H1 afIntChkHigh(33) = &HC0 afIntChkHigh(34) = &H80 afIntChkHigh(35) = &H41 afIntChkHigh(36) = &H0 afIntChkHigh(37) = &HC1 afIntChkHigh(38) = &H81 afIntChkHigh(39) = &H40 afIntChkHigh(40) = &H0 afIntChkHigh(41) = &HC1 afIntChkHigh(42) = &H81 afIntChkHigh(43) = &H40 afIntChkHigh(44) = &H1 afIntChkHigh(45) = &HC0 afIntChkHigh(46) = &H80 afIntChkHigh(47) = &H41

afIntChkHigh(48) = &H0 afIntChkHigh(49) = &HC1 afIntChkHigh(50) = &H81 afIntChkHigh(51) = &H40 afIntChkHigh(52) = &H1 afIntChkHigh(53) = &HC0 afIntChkHigh(54) = &H80 afIntChkHigh(55) = &H41 afIntChkHigh(56) = &H1 afIntChkHigh(57) = &HC0

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afIntChkHigh(58) = &H80 afIntChkHigh(59) = &H41 afIntChkHigh(60) = &H0 afIntChkHigh(61) = &HC1 afIntChkHigh(62) = &H81 afIntChkHigh(63) = &H40

afIntChkHigh(64) = &H1 afIntChkHigh(65) = &HC0 afIntChkHigh(66) = &H80 afIntChkHigh(67) = &H41 afIntChkHigh(68) = &H0 afIntChkHigh(69) = &HC1 afIntChkHigh(70) = &H81 afIntChkHigh(71) = &H40 afIntChkHigh(72) = &H0 afIntChkHigh(73) = &HC1 afIntChkHigh(74) = &H81 afIntChkHigh(75) = &H40 afIntChkHigh(76) = &H1 afIntChkHigh(77) = &HC0 afIntChkHigh(78) = &H80 afIntChkHigh(79) = &H41

afIntChkHigh(80) = &H0 afIntChkHigh(81) = &HC1 afIntChkHigh(82) = &H81 afIntChkHigh(83) = &H40 afIntChkHigh(84) = &H1 afIntChkHigh(85) = &HC0 afIntChkHigh(86) = &H80 afIntChkHigh(87) = &H41 afIntChkHigh(88) = &H1 afIntChkHigh(89) = &HC0 afIntChkHigh(90) = &H80 afIntChkHigh(91) = &H41 afIntChkHigh(92) = &H0 afIntChkHigh(93) = &HC1 afIntChkHigh(94) = &H81 afIntChkHigh(95) = &H40

afIntChkHigh(96) = &H0 afIntChkHigh(97) = &HC1 afIntChkHigh(98) = &H81 afIntChkHigh(99) = &H40 afIntChkHigh(100) = &H1 afIntChkHigh(101) = &HC0 afIntChkHigh(102) = &H80 afIntChkHigh(103) = &H41 afIntChkHigh(104) = &H1 afIntChkHigh(105) = &HC0 afIntChkHigh(106) = &H80 afIntChkHigh(107) = &H41 afIntChkHigh(108) = &H0 afIntChkHigh(109) = &HC1 afIntChkHigh(110) = &H81

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afIntChkHigh(111) = &H40

afIntChkHigh(112) = &H1 afIntChkHigh(113) = &HC0 afIntChkHigh(114) = &H80 afIntChkHigh(115) = &H41 afIntChkHigh(116) = &H0 afIntChkHigh(117) = &HC1 afIntChkHigh(118) = &H81 afIntChkHigh(119) = &H40 afIntChkHigh(120) = &H0 afIntChkHigh(121) = &HC1 afIntChkHigh(122) = &H81 afIntChkHigh(123) = &H40 afIntChkHigh(124) = &H1 afIntChkHigh(125) = &HC0 afIntChkHigh(126) = &H80 afIntChkHigh(127) = &H41

afIntChkHigh(128) = &H1 afIntChkHigh(129) = &HC0 afIntChkHigh(130) = &H80 afIntChkHigh(131) = &H41 afIntChkHigh(132) = &H0 afIntChkHigh(133) = &HC1 afIntChkHigh(134) = &H81 afIntChkHigh(135) = &H40 afIntChkHigh(136) = &H0 afIntChkHigh(137) = &HC1 afIntChkHigh(138) = &H81 afIntChkHigh(139) = &H40 afIntChkHigh(140) = &H1 afIntChkHigh(141) = &HC0 afIntChkHigh(142) = &H80 afIntChkHigh(143) = &H41

afIntChkHigh(144) = &H0 afIntChkHigh(145) = &HC1 afIntChkHigh(146) = &H81 afIntChkHigh(147) = &H40 afIntChkHigh(148) = &H1 afIntChkHigh(149) = &HC0 afIntChkHigh(150) = &H80 afIntChkHigh(151) = &H41 afIntChkHigh(152) = &H1 afIntChkHigh(153) = &HC0 afIntChkHigh(154) = &H80 afIntChkHigh(155) = &H41 afIntChkHigh(156) = &H0 afIntChkHigh(157) = &HC1 afIntChkHigh(158) = &H81 afIntChkHigh(159) = &H40

afIntChkHigh(160) = &H0 afIntChkHigh(161) = &HC1 afIntChkHigh(162) = &H81

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afIntChkHigh(163) = &H40 afIntChkHigh(164) = &H1 afIntChkHigh(165) = &HC0 afIntChkHigh(166) = &H80 afIntChkHigh(167) = &H41 afIntChkHigh(168) = &H1 afIntChkHigh(169) = &HC0 afIntChkHigh(170) = &H80 afIntChkHigh(171) = &H41 afIntChkHigh(172) = &H0 afIntChkHigh(173) = &HC1 afIntChkHigh(174) = &H81 afIntChkHigh(175) = &H40

afIntChkHigh(176) = &H1 afIntChkHigh(177) = &HC0 afIntChkHigh(178) = &H80 afIntChkHigh(179) = &H41 afIntChkHigh(180) = &H0 afIntChkHigh(181) = &HC1 afIntChkHigh(182) = &H81 afIntChkHigh(183) = &H40 afIntChkHigh(184) = &H0 afIntChkHigh(185) = &HC1 afIntChkHigh(186) = &H81 afIntChkHigh(187) = &H40 afIntChkHigh(188) = &H1 afIntChkHigh(189) = &HC0 afIntChkHigh(190) = &H80 afIntChkHigh(191) = &H41

afIntChkHigh(192) = &H0 afIntChkHigh(193) = &HC1 afIntChkHigh(194) = &H81 afIntChkHigh(195) = &H40 afIntChkHigh(196) = &H1 afIntChkHigh(197) = &HC0 afIntChkHigh(198) = &H80 afIntChkHigh(199) = &H41 afIntChkHigh(200) = &H1 afIntChkHigh(201) = &HC0 afIntChkHigh(202) = &H80 afIntChkHigh(203) = &H41 afIntChkHigh(204) = &H0 afIntChkHigh(205) = &HC1 afIntChkHigh(206) = &H81 afIntChkHigh(207) = &H40

afIntChkHigh(208) = &H1 afIntChkHigh(209) = &HC0 afIntChkHigh(210) = &H80 afIntChkHigh(211) = &H41 afIntChkHigh(212) = &H0 afIntChkHigh(213) = &HC1 afIntChkHigh(214) = &H81 afIntChkHigh(215) = &H40

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afIntChkHigh(216) = &H0 afIntChkHigh(217) = &HC1 afIntChkHigh(218) = &H81 afIntChkHigh(219) = &H40 afIntChkHigh(220) = &H1 afIntChkHigh(221) = &HC0 afIntChkHigh(222) = &H80 afIntChkHigh(223) = &H41

afIntChkHigh(224) = &H1 afIntChkHigh(225) = &HC0 afIntChkHigh(226) = &H80 afIntChkHigh(227) = &H41 afIntChkHigh(228) = &H0 afIntChkHigh(229) = &HC1 afIntChkHigh(230) = &H81 afIntChkHigh(231) = &H40 afIntChkHigh(232) = &H0 afIntChkHigh(233) = &HC1 afIntChkHigh(234) = &H81 afIntChkHigh(235) = &H40 afIntChkHigh(236) = &H1 afIntChkHigh(237) = &HC0 afIntChkHigh(238) = &H80 afIntChkHigh(239) = &H41

afIntChkHigh(240) = &H0 afIntChkHigh(241) = &HC1 afIntChkHigh(242) = &H81 afIntChkHigh(243) = &H40 afIntChkHigh(244) = &H1 afIntChkHigh(245) = &HC0 afIntChkHigh(246) = &H80 afIntChkHigh(247) = &H41 afIntChkHigh(248) = &H1 afIntChkHigh(249) = &HC0 afIntChkHigh(250) = &H80 afIntChkHigh(251) = &H41 afIntChkHigh(252) = &H0 afIntChkHigh(253) = &HC1 afIntChkHigh(254) = &H81 afIntChkHigh(255) = &H40

'------------------- '------------------- '------------------- '------------------- '-------------------

afIntChkLow(0) = &H0 afIntChkLow(1) = &HC0 afIntChkLow(2) = &HC1 afIntChkLow(3) = &H1 afIntChkLow(4) = &HC3

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afIntChkLow(5) = &H3 afIntChkLow(6) = &H2 afIntChkLow(7) = &HC2 afIntChkLow(8) = &HC6 afIntChkLow(9) = &H6 afIntChkLow(10) = &H7 afIntChkLow(11) = &HC7 afIntChkLow(12) = &H5 afIntChkLow(13) = &HC5 afIntChkLow(14) = &HC4 afIntChkLow(15) = &H4

afIntChkLow(16) = &HCC afIntChkLow(17) = &HC afIntChkLow(18) = &HD afIntChkLow(19) = &HCD afIntChkLow(20) = &HF afIntChkLow(21) = &HCF afIntChkLow(22) = &HCE afIntChkLow(23) = &HE afIntChkLow(24) = &HA afIntChkLow(25) = &HCA afIntChkLow(26) = &HCB afIntChkLow(27) = &HB afIntChkLow(28) = &HC9 afIntChkLow(29) = &H9 afIntChkLow(30) = &H8 afIntChkLow(31) = &HC8

afIntChkLow(32) = &HD8 afIntChkLow(33) = &H18 afIntChkLow(34) = &H19 afIntChkLow(35) = &HD9 afIntChkLow(36) = &H1B afIntChkLow(37) = &HDB afIntChkLow(38) = &HDA afIntChkLow(39) = &H1A afIntChkLow(40) = &H1E afIntChkLow(41) = &HDE afIntChkLow(42) = &HDF afIntChkLow(43) = &H1F afIntChkLow(44) = &HDD afIntChkLow(45) = &H1D afIntChkLow(46) = &H1C afIntChkLow(47) = &HDC

afIntChkLow(48) = &H14 afIntChkLow(49) = &HD4 afIntChkLow(50) = &HD5 afIntChkLow(51) = &H15 afIntChkLow(52) = &HD7 afIntChkLow(53) = &H17 afIntChkLow(54) = &H16 afIntChkLow(55) = &HD6 afIntChkLow(56) = &HD2 afIntChkLow(57) = &H12

- 86 - RS232_485_ETP_MODBUS_BU_REV02.doc

afIntChkLow(58) = &H13 afIntChkLow(59) = &HD3 afIntChkLow(60) = &H11 afIntChkLow(61) = &HD1 afIntChkLow(62) = &HD0 afIntChkLow(63) = &H10

afIntChkLow(64) = &HF0 afIntChkLow(65) = &H30 afIntChkLow(66) = &H31 afIntChkLow(67) = &HF1 afIntChkLow(68) = &H33 afIntChkLow(69) = &HF3 afIntChkLow(70) = &HF2 afIntChkLow(71) = &H32 afIntChkLow(72) = &H36 afIntChkLow(73) = &HF6 afIntChkLow(74) = &HF7 afIntChkLow(75) = &H37 afIntChkLow(76) = &HF5 afIntChkLow(77) = &H35 afIntChkLow(78) = &H34 afIntChkLow(79) = &HF4

afIntChkLow(80) = &H3C afIntChkLow(81) = &HFC afIntChkLow(82) = &HFD afIntChkLow(83) = &H3D afIntChkLow(84) = &HFF afIntChkLow(85) = &H3F afIntChkLow(86) = &H3E afIntChkLow(87) = &HFE afIntChkLow(88) = &HFA afIntChkLow(89) = &H3A afIntChkLow(90) = &H3B afIntChkLow(91) = &HFB afIntChkLow(92) = &H39 afIntChkLow(93) = &HF9 afIntChkLow(94) = &HF8 afIntChkLow(95) = &H38

afIntChkLow(96) = &H28 afIntChkLow(97) = &HE8 afIntChkLow(98) = &HE9 afIntChkLow(99) = &H29 afIntChkLow(100) = &HEB afIntChkLow(101) = &H2B afIntChkLow(102) = &H2A afIntChkLow(103) = &HEA afIntChkLow(104) = &HEE afIntChkLow(105) = &H2E afIntChkLow(106) = &H2F afIntChkLow(107) = &HEF afIntChkLow(108) = &H2D afIntChkLow(109) = &HED afIntChkLow(110) = &HEC

- 87 - RS232_485_ETP_MODBUS_BU_REV02.doc

afIntChkLow(111) = &H2C

afIntChkLow(112) = &HE4 afIntChkLow(113) = &H24 afIntChkLow(114) = &H25 afIntChkLow(115) = &HE5 afIntChkLow(116) = &H27 afIntChkLow(117) = &HE7 afIntChkLow(118) = &HE6 afIntChkLow(119) = &H26 afIntChkLow(120) = &H22 afIntChkLow(121) = &HE2 afIntChkLow(122) = &HE3 afIntChkLow(123) = &H23 afIntChkLow(124) = &HE1 afIntChkLow(125) = &H21 afIntChkLow(126) = &H20 afIntChkLow(127) = &HE0

afIntChkLow(128) = &HA0 afIntChkLow(129) = &H60 afIntChkLow(130) = &H61 afIntChkLow(131) = &HA1 afIntChkLow(132) = &H63 afIntChkLow(133) = &HA3 afIntChkLow(134) = &HA2 afIntChkLow(135) = &H62 afIntChkLow(136) = &H66 afIntChkLow(137) = &HA6 afIntChkLow(138) = &HA7 afIntChkLow(139) = &H67 afIntChkLow(140) = &HA5 afIntChkLow(141) = &H65 afIntChkLow(142) = &H64 afIntChkLow(143) = &HA4

afIntChkLow(144) = &H6C afIntChkLow(145) = &HAC afIntChkLow(146) = &HAD afIntChkLow(147) = &H6D afIntChkLow(148) = &HAF afIntChkLow(149) = &H6F afIntChkLow(150) = &H6E afIntChkLow(151) = &HAE afIntChkLow(152) = &HAA afIntChkLow(153) = &H6A afIntChkLow(154) = &H6B afIntChkLow(155) = &HAB afIntChkLow(156) = &H69 afIntChkLow(157) = &HA9 afIntChkLow(158) = &HA8 afIntChkLow(159) = &H68

afIntChkLow(160) = &H78 afIntChkLow(161) = &HB8 afIntChkLow(162) = &HB9

- 88 - RS232_485_ETP_MODBUS_BU_REV02.doc

afIntChkLow(163) = &H79 afIntChkLow(164) = &HBB afIntChkLow(165) = &H7B afIntChkLow(166) = &H7A afIntChkLow(167) = &HBA afIntChkLow(168) = &HBE afIntChkLow(169) = &H7E afIntChkLow(170) = &H7F afIntChkLow(171) = &HBF afIntChkLow(172) = &H7D afIntChkLow(173) = &HBD afIntChkLow(174) = &HBC afIntChkLow(175) = &H7C

afIntChkLow(176) = &HB4 afIntChkLow(177) = &H74 afIntChkLow(178) = &H75 afIntChkLow(179) = &HB5 afIntChkLow(180) = &H77 afIntChkLow(181) = &HB7 afIntChkLow(182) = &HB6 afIntChkLow(183) = &H76 afIntChkLow(184) = &H72 afIntChkLow(185) = &HB2 afIntChkLow(186) = &HB3 afIntChkLow(187) = &H73 afIntChkLow(188) = &HB1 afIntChkLow(189) = &H71 afIntChkLow(190) = &H70 afIntChkLow(191) = &HB0

afIntChkLow(192) = &H50 afIntChkLow(193) = &H90 afIntChkLow(194) = &H91 afIntChkLow(195) = &H51 afIntChkLow(196) = &H93 afIntChkLow(197) = &H53 afIntChkLow(198) = &H52 afIntChkLow(199) = &H92 afIntChkLow(200) = &H96 afIntChkLow(201) = &H56 afIntChkLow(202) = &H57 afIntChkLow(203) = &H97 afIntChkLow(204) = &H55 afIntChkLow(205) = &H95 afIntChkLow(206) = &H94 afIntChkLow(207) = &H54

afIntChkLow(208) = &H9C afIntChkLow(209) = &H5C afIntChkLow(210) = &H5D afIntChkLow(211) = &H9D afIntChkLow(212) = &H5F afIntChkLow(213) = &H9F afIntChkLow(214) = &H9E afIntChkLow(215) = &H5E

- 89 - RS232_485_ETP_MODBUS_BU_REV02.doc

afIntChkLow(216) = &H5A afIntChkLow(217) = &H9A afIntChkLow(218) = &H9B afIntChkLow(219) = &H5B afIntChkLow(220) = &H99 afIntChkLow(221) = &H59 afIntChkLow(222) = &H58 afIntChkLow(223) = &H98

afIntChkLow(224) = &H88 afIntChkLow(225) = &H48 afIntChkLow(226) = &H49 afIntChkLow(227) = &H89 afIntChkLow(228) = &H4B afIntChkLow(229) = &H8B afIntChkLow(230) = &H8A afIntChkLow(231) = &H4A afIntChkLow(232) = &H4E afIntChkLow(233) = &H8E afIntChkLow(234) = &H8F afIntChkLow(235) = &H4F afIntChkLow(236) = &H8D afIntChkLow(237) = &H4D afIntChkLow(238) = &H4C afIntChkLow(239) = &H8C

afIntChkLow(240) = &H44 afIntChkLow(241) = &H84 afIntChkLow(242) = &H85 afIntChkLow(243) = &H45 afIntChkLow(244) = &H87 afIntChkLow(245) = &H47 afIntChkLow(246) = &H46 afIntChkLow(247) = &H86 afIntChkLow(248) = &H82 afIntChkLow(249) = &H42 afIntChkLow(250) = &H43 afIntChkLow(251) = &H83 afIntChkLow(252) = &H41 afIntChkLow(253) = &H81 afIntChkLow(254) = &H80 afIntChkLow(255) = &H40

'------------------- '------------------- '------------------- '------------------- '-------------------

Me.Text = System.Windows.Forms.Application.ProductName lblTitle.Text = System.Windows.Forms.Application.ProductName lblDescription.Text = "The program read the process data with Modbus command 03" & vbCrLf & _ "The address of the Flow meter is 01" & vbCrLf & _ "For the connection of the PC to the RS 485 port of the Flow meter is used an" & vbCrLf & _

- 90 - RS232_485_ETP_MODBUS_BU_REV02.doc

"RS 232-485 converter and the PC command the RTS signal of the serial port for" & vbCrLf & _ "the trasmission of the data" lblProcessData.Text = ""

SerialPort1.PortName = "COM1"

SerialPort1.BaudRate = 9600

SerialPort1.DataBits = 8 SerialPort1.Parity = IO.Ports.Parity.None SerialPort1.StopBits = IO.Ports.StopBits.One

SerialPort1.ReadBufferSize = 512 SerialPort1.WriteBufferSize = 512

SerialPort1.Encoding = System.Text.Encoding.Default

SerialPort1.Open()

SerialPort1.RtsEnable = False Application.DoEvents()

Threading.Thread.Sleep(500)

SerialPort1.DiscardInBuffer() SerialPort1.DiscardOutBuffer()

'Command 3: Read process data vfStrCommand = Chr(1) & Chr(3) & Chr(0) & Chr(0) & Chr(0) & Chr(38)

If False = fBolCalcCRC(vfStrCommand, vfStrCrc) Then Return End If

vfStrCommand = vfStrCommand & vfStrCrc

Me.Show() Application.DoEvents()

Do

TextBox2.Text = ""

SerialPort1.RtsEnable = False

SerialPort1.Write(vfStrCommand)

Threading.Thread.Sleep(10)

SerialPort1.RtsEnable = True Application.DoEvents()

- 91 - RS232_485_ETP_MODBUS_BU_REV02.doc

Threading.Thread.Sleep(200)

Loop

Catch vObjExcept As Exception

vfStrErrorString = "Form name: " & Me.Name & vbCrLf & _ "" & vbCrLf & _ "Error source: " & vObjExcept.Source & vbCrLf & _ "" & vbCrLf & _ "Error StackTrace: " & vObjExcept.StackTrace & vbCrLf & _ "" & vbCrLf & _ "Error Message: " & vObjExcept.Message

MsgBox(vfStrErrorString, MsgBoxStyle.OkOnly + MsgBoxStyle.Critical, Me.Text) Return End Try

End Sub

Function fBolCalcCRC(ByVal vStrString As String, ByRef vStrCRC As String) As Boolean

Dim vIntCrcHigh As Integer Dim vIntCrcLow As Integer

Dim vIntN As Integer Dim vByteA As Byte

Try

vIntCrcLow = &HFF vIntCrcHigh = &HFF

For vInt

N = 1 To Len(vStrString) vByteA = Asc(Mid(vStrString, vIntN, 1)) vByteA = vByteA Xor vIntCrcLow vIntCrcLow = afIntChkHigh(vByteA) Xor vIntCrcHigh vIntCrcHigh = afIntChkLow(vByteA) Next

vStrCRC = Chr(vIntCrcLow) & Chr(vIntCrcHigh)

Return True

Catch vObjExcept As Exception

vfStrErrorString = "Form name: " & Me.Name & vbCrLf & _ "" & vbCrLf & _ "Error source: " & vObjExcept.Source & vbCrLf & _ "" & vbCrLf & _ "Error StackTrace: " & vObjExcept.StackTrace & vbCrLf & _ "" & vbCrLf & _ "Error Message: " & vObjExcept.Message

- 92 - RS232_485_ETP_MODBUS_BU_REV02.doc

MsgBox(vfStrErrorString, MsgBoxStyle.OkOnly + MsgBoxStyle.Critical, Me.Text) Return False End Try

End Function

Private Sub SerialPort1_DataReceived(ByVal sender As Object, ByVal e As System.IO.Ports.SerialDataReceivedEventArgs) Handles SerialPort1.DataReceived

Try TextBox2.Invoke(New myDelegate(AddressOf decode), New Object() {})

Catch vObjExcept As Exception

vfStrErrorString = "Form name: " & Me.Name & vbCrLf & _ "" & vbCrLf & _ "Error source: " & vObjExcept.Source & vbCrLf & _ "" & vbCrLf & _ "Error StackTrace: " & vObjExcept.StackTrace & vbCrLf & _ "" & vbCrLf & _ "Error Message: " & vObjExcept.Message

MsgBox(vfStrErrorString, MsgBoxStyle.OkOnly + MsgBoxStyle.Critical, Me.Text) Return End Try End Sub

Private Sub decode()

Dim vI

ntBytesToRead As Integer

Dim vStrRecevebuffer As String = ""

Dim vIntN As Integer

Dim vDblTemp As Single Dim vLngTemp As Long Dim afByteTemp(0 To 3) As Byte

Try

vIntBytesToRead = SerialPort1.BytesToRead

If vIntBytesToRead >= 81 Then

lblProcessData.Text = "" ReDim afByteReceveBuffer(0 To vIntBytesToRead - 1)

SerialPort1.Read(afByteReceveBuffer, 0, vIntBytesToRead)

- 93 - RS232_485_ETP_MODBUS_BU_REV02.doc

For vIntN = 0 To vIntBytesToRead - 1 vStrRecevebuffer = vStrRecevebuffer & Chr(afByteReceveBuffer(vIntN)) Next

If False = fBolCalcCRC(Mid(vStrRecevebuffer, 1, vIntBytesToRead - 2), vfStrCrc) Then Return End If

If vfStrCrc <> (Chr(afByteReceveBuffer(79)) & Chr(afByteReceveBuffer(80))) Then TextBox2.Text = "Bad data ---> Check sum error!" Return End If

TextBox2.Text = TextBox2.Text & hex_view(bytes_to_string(afByteReceveBuffer, vIntBytesToRead)) & vbCrLf

'Flow rate in % afByteTemp(0) = afByteReceveBuffer(6) afByteTemp(1) = afByteReceveBuffer(5) afByteTemp(2) = afByteReceveBuffer(4) afByteTemp(3) = afByteReceveBuffer(3) vDblTemp = BitConverter.ToSingle(afByteTemp, 0) lblProcessData.Text = "Flow rate in % = " & Format(vDblTemp, "###0.00") & vLngTemp & vbCrLf

'Flow rate in technical unit afByteTemp(0) = afByteReceveBuffer(10) afByteTemp(1) = afByteReceveBuffer(9) afByteTemp(2) = afByteReceveBuffer(8) afByteTemp(3) = afByteReceveBuffer(7) vDblTemp = BitConverter.ToSingle(afByteTemp, 0) lblProcessData.Text = lblProcessData.Text & "Flow rate in technical unit = " & Format(vDblTemp,

"###0.000") & vLngTemp & vbCrLf

'Totalizer for total volume positive T+ (V+ for ML211) afByteTemp(0) = afByteReceveBuffer(14) afByteTemp(1) = afByteReceveBuffer(13) afByteTemp(2) = afByteReceveBuffer(12) afByteTemp(3) = afByteReceveBuffer(11) vLngTemp = BitConverter.ToUInt32(afByteTemp, 0) lblProcessData.Text = lblProcessData.Text & "Totalizer for total volume positive T+ (V+ for ML211) =

" & vLngTemp & vbCrLf

'Totalizer for partial volume positive P+ (V- for ML211) afByteTemp(0) = afByteReceveBuffer(18) afByteTemp(1) = afByteReceveBuffer(17) afByteTemp(2) = afByteReceveBuffer(16) afByteTemp(3) = afByteReceveBuffer(15) vLngTemp = BitConverter.ToUInt32(afByteTemp, 0) lblProcessData.Text = lblProcessData.Text & "Totalizer for partial volume positive P+ (V- for ML211) =

" & vLngTemp & vbCrLf

'Totalizer for total volume negative T- (E+ for ML211) afByteTemp(0) = afByteReceveBuffer(22) afByteTemp(1) = afByteReceveBuffer(21)

- 94 - RS232_485_ETP_MODBUS_BU_REV02.doc

afByteTemp(2) = afByteReceveBuffer(20) afByteTemp(3) = afByteReceveBuffer(19) vLngTemp = BitConverter.ToUInt32(afByteTemp, 0) lblProcessData.Text = lblProcessData.Text & "Totalizer for total volume negative T- (E+ for ML211) = " & vLngTemp & vbCrLf

'Totalizer for partial volume negative P- (E- for ML211) afByteTemp(0) = afByteReceveBuffer(26) afByteTemp(1) = afByteReceveBuffer(25) afByteTemp(2) = afByteReceveBuffer(24) afByteTemp(3) = afByteReceveBuffer(23) vLngTemp = BitConverter.ToUInt32(afByteTemp, 0) lblProcessData.Text = lblProcessData.Text & "Totalizer for partial volume negative P- (E- for ML211) =

" & vLngTemp & vbCrLf

'Clock value in seconds afByteTemp(0) = afByteReceveBuffer(30) afByteTemp(1) = afByteReceveBuffer(29) afByteTemp(2) = afByteReceveBuffer(28) afByteTemp(3) = afByteReceveBuffer(27) vLngTemp = BitConverter.ToUInt32(afByteTemp, 0) lblProcessData.Text = lblProcessData.Text & "Clock value in seconds = " & vLngTemp & vbCrLf

'Input value AIN1 in technical unit (opt.) afByteTemp(0) = afByteReceveBuffer(34) afByteTemp(1) = afByteReceveBuffer(33) afByteTemp(2) = afByteReceveBuffer(32) afByteTemp(3) = afByteReceveBuffer(31) vLngTemp = BitConverter.ToSingle(afByteTemp, 0) lblProcessData.Text = lblProcessData.Text & "Input value AIN1 in technical unit (opt.) = " & vLngTemp & vbCrLf

'Input value AIN2 in technical unit (opt.) afByteTemp(0) = afByteReceveBuffer(38) afByteTemp(1) = afByteReceveBuffer(37) afByteTemp(2) = afByteReceveBuffer(36) afByteTemp(3) = afByteReceveBuffer(35) vLngTemp = BitConverter.ToSingle(afByteTemp, 0) lblProcessData.Text = lblProcessData.Text & "Input value AIN2 in technical unit (opt.) = " & vLngTemp & vbCrLf

'Thermal power value in % (ML211) afByteTemp(0) = afByteReceveBuffer(42) afByteTemp(1) = afByteReceveBuffer(41) afByteTemp(2) = afByteReceveBuffer(40) afByteTemp(3) = afByteReceveBuffer(39) vLngTemp = BitConverter.ToSingle(afByteTemp, 0) lblProcessData.Text = lblProcessData.Text & "Thermal power value in % (ML211) = " & vLngTemp & vbCrLf

'Thermal power value in technical unit (ML211) afByteTemp(0) = afByteReceveBuffer(46) afByteTemp(1) = afByteReceveBuffer(45) afByteTemp(2) = afByteReceveBuffer(44) afByteTemp(3) = afByteReceveBuffer(43) vLngTemp = BitConverter.ToSingle(afByteTemp, 0)

- 95 - RS232_485_ETP_MODBUS_BU_REV02.doc

lblProcessData.Text = lblProcessData.Text & "Thermal power value in technical unit (ML211) = " & vLngTemp & vbCrLf

'Delta T value in technical unit (ML211) afByteTemp(0) = afByteReceveBuffer(50) afByteTemp(1) = afByteReceveBuffer(49) afByteTemp(2) = afByteReceveBuffer(48) afByteTemp(3) = afByteReceveBuffer(47) vLngTemp = BitConverter.ToSingle(afByteTemp, 0) lblProcessData.Text = lblProcessData.Text & "Delta T value in technical unit (ML211) = " & vLngTemp & vbCrLf

'Temperature value T1 in technical unit (ML211) afByteTemp(0) = afByteReceveBuffer(54) afByteTemp(1) = afByteReceveBuffer(53) afByteTemp(2) = afByteReceveBuffer(52) afByteTemp(3) = afByteReceveBuffer(51) vLngTemp = BitConverter.ToSingle(afByteTemp, 0) lblProcessData.Text = lblProcessData.Text & "Temperature value T1 in technical unit (ML211) = " & vLngTemp & vbCrLf

'Temperature value T2 in technical unit (ML211) afByteTemp(0) = afByteReceveBuffer(58) afByteTemp(1) = afByteReceveBuffer(57) afByteTemp(2) = afByteReceveBuffer(56) afByteTemp(3) = afByteReceveBuffer(55) vLngTemp = BitConverter.ToSingle(afByteTemp, 0) lblProcessData.Text = lblProcessData.Text & "Temperature value T2 in technical unit (ML211) = " & vLngTemp & vbCrLf

'Set-point value in % (ML212) afByteTemp(0) = afByteReceveBuffer(62) afByteTemp(1) = afByteReceveBuffer(61) afByteTemp(2) = afByteReceveBuffer(60) afByteTemp(3) = afByteReceveBuffer(59) vLngTemp = BitConverter.ToSingle(afByteTemp, 0) lblProcessData.Text = lblProcessData.Text & "Set-point value in % (ML212) = " & vLngTemp & vbCrLf

'Output value in % (ML212) afByteTemp(0) = afByteReceveBuffer(66) afByteTemp(1) = afByteReceveBuffer(65) afByteTemp(2) = afByteReceveBuffer(64) afByteTemp(3) = afByteReceveBuffer(63) vLngTemp = BitConverter.ToSingle(afByteTemp, 0) lblProcessData.Text = lblProcessData.Text & "Output value in % (ML212) = " & vLngTemp & vbCrLf

'Deviation value in % (ML212) afByteTemp(0) = afByteReceveBuffer(70) afByteTemp(1) = afByteReceveBuffer(69) afByteTemp(2) = afByteReceveBuffer(68) afByteTemp(3) = afByteReceveBuffer(67) vLngTemp = BitConverter.ToSingle(afByteTemp, 0) lblProcessData.Text = lblProcessData.Text & "Deviation value in % (ML212) = " & vLngTemp & vbCrLf

'Process flags If (afByteReceveBuffer(72) And &H1) = &H1 Then

- 96 - RS232_485_ETP_MODBUS_BU_REV02.doc

lblProcessData.Text = lblProcessData.Text & "Process flags = excitation is too fast for the sensor

connected / temperature error ML211" & vbCrLf

End If

If (afByteReceveBuffer(72) And &H2) = &H2 Then lblProcessData.Text = lblProcessData.Text & "Process flags = max alarm is active" & vbCrLf End If

If (afByteReceveBuffer(72) And &H4) = &H4 Then lblProcessData.Text = lblProcessData.Text & "Process flags = min alarm is active" & vbCrLf End If

If (afByteReceveBuffer(72) And &H8) = &H8 Then lblProcessData.Text = lblProcessData.Text & "Process flags = flow rate exceeds the scale range,

overflow" & vbCrLf

End If

If (afByteReceveBuffer(72) And &H10) = &H10 Then lblProcessData.Text = lblProcessData.Text & "Process flags = too many impulse to emit" & vbCrLf End If

If (afByteReceveBuffer(72) And &H20) = &H20 Then lblProcessData.Text = lblProcessData.Text & "Process flags = measurement signal is disturbed or

sensor disconnect" & vbCrLf

End If

If (afByteReceveBuffer(72) And &H40) = &H40 Then lblProcessData.Text = lblProcessData.Text &

"Process flags = empty tube" & v

bCrLf

End If

If (afByteReceveBuffer(72) And &H80) = &H80 Then lblProcessData.Text = lblProcessData.Text & "Process flags = coils not working or sensor disconnect" & vbCrLf End If

If (afByteReceveBuffer(71) And &H1) = &H1 Then lblProcessData.Text = lblProcessData.Text & "Process flags = second measurement scale is active" & vbCrLf End If

If (afByteReceveBuffer(71) And &H2) = &H2 Then lblProcessData.Text = lblProcessData.Text & "Process flags = flow rate is lower than the cut-off

threshold" & vbCrLf

End If

If (afByteReceveBuffer(71) And &H4) = &H4 Then lblProcessData.Text = lblProcessData.Text & "Process flags = flow rate negative" & vbCrLf End If

If (afByteReceveBuffer(71) And &H8) = &H8 Then lblProcessData.Text = lblProcessData.Text & "Process flags = new measurement value is available

for the display" & vbCrLf

End If

If (afByteReceveBuffer(71) And &H10) = &H10 Then lblProcessData.Text = lblProcessData.Text &

"Process flags = counter block signal is active" & vbCrLf

- 97 - RS232_485_ETP_MODBUS_BU_REV02.doc

End If

If (afByteReceveBuffer(71) And &H20) = &H20 Then lblProcessData.Text = lblProcessData.Text & "Process flags = batch in progress" & vbCrLf End If

If (afByteReceveBuffer(71) And &H40) = &H40 Then lblProcessData.Text = lblProcessData.Text & "Process flags = calibration cicle in progress" & vbCrLf End If

If (afByteReceveBuffer(71) And &H80) = &H80 Then lblProcessData.Text = lblProcessData.Text & "Process flags = flow rate simulation in progress" & vbCrLf End If

'Flags ML 211 If (afByteReceveBuffer(74) And &H2) = &H2 Then lblProcessData.Text = lblProcessData.Text & "Process flags = input error AIN1" & vbCrLf End If

If (afByteReceveBuffer(74) And &H4) = &H4 Then lblProcessData.Text = lblProcessData.Text & "Process flags = input error AIN2" & vbCrLf End If

'Flags ML 211 If (afByteReceveBuffer(76) And &H1) = &H1 Then lblProcessData.Text = lblProcessData.Text & "Process flags = max alarm thermal power" & vbCrLf En

d If

If (afByteReceveBuffer(76) And &H2) = &H2 Then lblProcessData.Text = lblProcessData.Text & "Process flags = min alarm thermal power" & vbCrLf End If

If (afByteReceveBuffer(76) And &H4) = &H4 Then lblProcessData.Text = lblProcessData.Text & "Process flags = max alarm delta T" & vbCrLf End If

If (afByteReceveBuffer(76) And &H8) = &H8 Then lblProcessData.Text = lblProcessData.Text & "Process flags = min alarm delta T" & vbCrLf End If

If (afByteReceveBuffer(76) And &H10) = &H10 Then lblProcessData.Text = lblProcessData.Text & "Process flags = max alarm temp. T1" & vbCrLf End If

If (afByteReceveBuffer(76) And &H20) = &H20 Then lblProcessData.Text = lblProcessData.Text & "Process flags = min alarm temp. T1" & vbCrLf End If

If (afByteReceveBuffer(76) And &H40) = &H40 Then lblProcessData.Text = lblProcessData.Text & "Process flags = max alarm temp. T2" & vbCrLf End If

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If (afByteReceveBuffer(76) And &H80) = &H80 Then lblProcessData.Text = lblProcessData.Text & "Process flags = min alarm temp. T2" & vbCrLf End If

'Flags ML212 If (afByteReceveBuffer(78) And &H1) = &H1 Then lblProcessData.Text = lblProcessData.Text & "Process flags = command error actuator" & vbCrLf End If

If (afByteReceveBuffer(78) And &H2) = &H2 Then lblProcessData.Text = lblProcessData.Text & "Process flags = deviation error" & vbCrLf End If

If (afByteReceveBuffer(78) And &H4) = &H4 Then lblProcessData.Text = lblProcessData.Text & "Process flags = Input error AIN1" & vbCrLf End If

If (afByteReceveBuffer(78) And &H8) = &H8 Then lblProcessData.Text = lblProcessData.Text & "Process flags = Input error AIN2" & vbCrLf End If

If (afByteReceveBuffer(78) And &H10) = &H10 Then lblProcessData.Text = lblProcessData.Text & "Process flags = manual regulation active" & vbCrLf End If

If (afByteReceveBuffer(78) And &H20) = &H20 Then lblProcessData.Text = lblProcessData.Text & "Process flags = safety mode active" & vbCrLf End If

End If

Catch vObjExcept As Exception

vfStrErrorString = "Form name: " & Me.Name & vbCrLf & _ "" & vbCrLf & _ "Error source: " & vObjExcept.Source & vbCrLf & _ "" & vbCrLf & _ "Error StackTrace: " & vObjExcept.StackTrace & vbCrLf & _ "" & vbCrLf & _ "Error Message: " & vObjExcept.Message

MsgBox(vfStrErrorString, MsgBoxStyle.OkOnly + MsgBoxStyle.Critical, Me.Text) Return End Try

End Sub

End Class

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6. APPENDIX

6.1. RS232 SERIAL PORT

The serial port RS232 present in the aux modules with the RS 232 port option, is used for the connection to printers, modem, personal computer or other devices. The RS232 port is insulated from all other circuits apart from the RS485 port, with which it shares the power supply.

This type of interface is used to exchange data over short distances (max. 10 metres) with one single user, usually a PC, a printer or an external modem. The connection takes place through 2 signal lines plus a common line. It has poor immunity to electrical disturbances and must therefore be made with considerable care in fixed industrial installation environments.

6.1.1. CONNECTING THE CONVERTER VIA RS232 PORT TO A PRINTER

This connection is made using the aux modules with the RS 232 port option. When the print functions are enabled, the instrument prints the process data at established intervals or in the event of an alarm. A print command can also be sent directly from the keyboard. When the RS232 port is used for connecting a printer, the connection cable can be constructed respecting the following requirements:

• use a shielded cable with at least three wires;

•

the shield is connected only to the ML210 end;

• the length must not exceed 10 meters. Remember that the RS232 interface is more susceptible to disturbance

than the RS485 and it is good working practice to minimize the length of the connections;

• on the end for connection to the ML210, fit tips numbered with the terminal number; for the end for connection

to the printer, solder the wires to the pins indicated in the following table on a DB25 MALE type connector; the printer has a DB25 FEMALE connector (standard for serial RS232 printers);

the connections are the following:

ML210 TERMINAL DIRECTION DB25 PIN

32 (SHIELD) <======> do not connect

25 (TD) =======> 3 (RXD)

23 (CTS) <======= 20 (DTR)

26 (SG) <======> 7 (GND)

ATTENTION: the CTS line must be connected to the DTR line (or equivalent function) of the printer and be used by this

latter to indicate when it can accept data from the converter. The printer must be arranged for HARDWARE type flow control (not XON/XOFF). If the connections or arrangements indicated are not followed, the display and the converter keyboard may be blocked indefinitely because they are waiting for printer availability. If the printer does not use this type of flow control, or if you wish to send the output that would be printed to another device (PC, digital recorders etc.) you must connect the CTS signal of the converter to a terminal on the port that supplied a constant voltage of +5 to +15V (DTR or RTS of the PC or of the terminal).

NECESSARY PARAMETERS:

• Menu «7-Communication», function - «Speed 2»: set this value to the same speed as the printer

connected. The speed may be chosen from 2400, 9600, 19200 and 38400 bps

• Menu «7-Communication», function - «Print»: set to «ON» if you wish to use the print functions.

• Menu “7-Comunicazione”, function “Print dos.”: set to “ON” if you wish to use the print functions of

batch.

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