Contrec 515 Operation Manual

Model 515 Flow Computer

Operation Manual

Application DG01

Density Converter (Gas)

for

Pulse Output Density Meters

18 June 2017

Model 515 Flow Computer - Operation Manual

equipment. Contrec Limited. reserves the right, without prior notice, to make engineering refinements that may not be reflected in this manual.

Should any questions arise which cannot be answered specifically by this manual, they should be directed to Contrec Limited for further detailed information and technical assistance.

Contrec Limited will not accept any liability for either direct or consequential damages resulting from the use or misapplication of the contents of this manual.

Part of the software embedded in this product is eCos - Embedded Configurable Operating System, a trademark of Red Hat. Portions created by Red Hat are Copyright © 1998, 1999, 2000 Red Hat, Inc. (http://www.redhat.com). All rights reserved

The software in this product was in part provided by Red Hat and any express or implied warranties, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose are disclaimed. In no event shall the author be liable for any direct, indirect, incidental, special, exemplary, or consequential damages (including, but not limited to, procurement of substitute goods or services; loss of use, data, or profits; or business interruption) however caused and on any theory of liability, whether in contract, strict liability, or tort (including negligence or otherwise) arising in any way out of the use of this software, even if advised of the possibility of such damage.

Contrec Limited

Riverside, Canal Road, Sowerby Bridge,

West Yorkshire HX6 2AY UNITED KINGDOM

Tel: +44 1422 829944 Fax: +44 1422 829945

Email: [email protected]

Website: www.contrec.co.uk

Contrec Systems Pty Ltd

5 Norfolk Avenue Ringwood, Melbourne 3134 AUSTRALIA

Tel: +61 4 413 505 114

Email: [email protected]

Contrec - USA, LLC

916 Belcher Drive Pelham AL 35124 USA

Tel: +1 (205) 685 3000 Fax: +1 (205) 685 3001

Email: [email protected]

Publication No: 515-DG01-OM - 18 June 2017

Safety Notice

The information in this safety notice is for the prevention of injury to personnel and

damage to the instrument.

The manufacturer assumes no liability for injury or damage caused by misuse of the

instrument or for modifications made to the instrument.

Qualified Personnel

The instrument must be installed, operated and serviced by persons who have been properly trained and authorised. Personnel must read and understand this manual prior to installation and operation of the instrument.

Static Hazard

The 500 series flow computer uses high speed CMOS circuitry which is sensitive to static damage. The user should observe accepted safety practices for handling electronic devices, especially during servicing. Once the unit is installed, grounded and interconnected, the chances of static damage are greatly reduced.

Voltage Hazard

Before connecting power to the instrument, ensure that the supply voltage for the AC or DC input is suitable. The AC voltage rating is as stated on the instrument rating plate. Personnel should take all due care to avoid electric shock. For safe operation it is essential to connect a mains safety earth to the A.C. power inlet. Do not operate at altitudes above 2000m.

Welding Hazard

Do not perform electric welding in close proximity to the instrument or its interconnecting cables. If welding in these areas must be performed, disconnect all cables from the instrument. Failure to do so may result in damage to the unit.

Moisture Hazard

To avoid electrical faults and corrosion of the instrument, do not allow moisture to remain in contact with the instrument.

Disconnection Device

When powered from a mains supply this unit requires the provision of a suitable mains isolation device to be accessible near to the installed instrument.

515 DG01 - 18 June 2017 iii

515 DG01 - 18 June 2017

iv 515 DG01 - 18 June 2017

The Redlich-Kwong equation determines the compressibility factor with a cubic equation that uses the Critical Temperature and Pressure gas properties. This equation is included in this instrument from a historical or backward compatibility point of view as some older installations still specify it as the means of gas calculation.

Soave-Redlich-Kwong (1972)

The Soave-Redlich-Kwong equation determines the compressibility factor with a cubic equation. It uses the Acentric Factor of the gas as well as the Critical Temperature and Pressure. This equation accurately models the vapour pressure of light hydrocarbons and light gases at or above atmospheric pressures.

Peng-Robinson (1976)

The Peng-Robinson equation also determines the compressibility factor with a cubic equation. It uses the Acentric Factor of the gas as well as the Critical Temperature and Pressure. This was designed to provide better vapour pressure for hydrocarbons in the gasoline range.

Critical Temperature and Pressure

The Critical Temperature and Pressure can be entered as constants or approximated by quadratic equation as functions of Specific Gravity:

T01 ATSG BTSG

C

P01 APSG BPSG

C

Set coefficients A and B to zero if no SG approximation is required.

User Defined Function

The user defined function allows the user to set up a table defining two output variables OUT-A and OUT-B as a function of two input variables INP-X and INP-Y. Such table enables the computation of more complex non-linear custom functions based on the main menu variables. The 500Series Program Manager PC software allows to customize the table as well as other parameters before downloading embedded software into the instrument.

2

++=

2

++=

For further details of these equations or restrictions of use please refer to the appropriate standard or relevant documents.

515 DG01 - 18 June 2017 3

Introduction

f

Analog Input Scaling

The analog inputs in this instrument are scaled by the following general formula:

APmin

where:

P

= minimum point (equivalent to offset)

min

= maximum point (P

P

max

A* = normalised signal (0 to 1) with correction applied for a flow input

Displayed Information

The front panel display shows the current values of the input variables and the results of the calculations.

The instrument can be supplied with a real-time clock for data logging of over 1000 entries of the variables as displayed on the main menu.

This application indicates the type of pressure value being displayed as either gauge or absolute by adding an ‘A’ or ‘G’ to the units of measurement.

P

max

– P

max

P

min–A*+=

is equivalent to span)

min

4 515 DG01 - 18 June 2017

Main Menu Variables

Introduction

Main Menu Variables

Density (Line) kg/m3 Rate Period us Rate Density (Reference) kg/m3 Rate Temperature Deg C Rate Pressure kPa Rate Specific Gravity E+0 Rate Z-Factor (Line) E+0 Rate Z-Factor (Reference) E+0 Rate Molecular Weight E+0 Rate Critical Temperature Deg C Rate Critical Pressure kPa Rate User Input - - - Rate User Output A - - - Rate User Output B - - - Rate

Default Units

Variable Type

Refer to Available Units of Measurement on page 74 for the list of available units.

Communications

There are two communication ports available as follows:

• RS-232 port

• RS-485 port (optional)

The ports can be used for remote data reading, printouts and for initial application loading of the instrument.

Isolated Outputs

The opto-isolated outputs can re-transmit any main menu variable. The type of output is determined by the nature of the assigned variable. Totals are output as pulses and rates are output as 4-20 mA signals. One output is standard, a second output is available as an option.

Relay Outputs

The relay alarms can be assigned to any of the main menu variables of a rate type. The alarms can be fully configured including hysteresis. Two relays are standard with additional two relays available as an option.

515 DG01 - 18 June 2017 5

Introduction

Software Configuration

The instrument can be further tailored to suit specific application needs including units of measurement, custom tags, second language or access levels. A distributor can configure these requirements before delivery.

Instrument parameters including units of measurement can be programmed in the field, according to the user access levels assigned to parameters by the distributor.

All set-up parameters, totals and logged data are stored in non-volatile memory with at least 30 years retention.

Temperature and Pressure Input Types

Temperature sensor input(s) can be either PT100, PT500, 4-20 mA, 0-5 V or 1-5V signals. Pressure sensor input(s) can be either 4-20 mA, 0-5 V or 1-5V signals.

Approvals

Pulse Input 1 Analog

D

Density Transmitter

Input 1

T

Temperature Transmitter

Analog Input 2

P

Pressure Transmitter

Analog Input 3

U

User Input

Figure 1 Typical Application Diagram

This instrument conforms to the EMC-Directive of the Council of European Communities 2014/30/EU, the LVD safety directive 2014/35/EU and the following standards:

• EN61326:2013 Electrical equipment for measurement, control and

laboratory use – EMC requirements: Industrial Environment.

• EN61010:2010 Safety requirements for electrical equipment for

measurement, control, and laboratory use.

In order to comply with these standards, the wiring instructions in Chapter

3 - Installation must be followed.

6 515 DG01 - 18 June 2017

Introduction

FCC Declaration

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, might cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case the user will be required to correct the interference at his own expense.

Properly shielded and grounded cables and connectors must be used in order to meet FCC emission limits. Contrec Ltd is not responsible for any radio or television interference caused by using other than recommended cables and connectors or by unauthorized changes or modifications to this equipment. Unauthorized changes or modifications could void the user's authority to operate the equipment.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device might not cause harmful interference, and (2) this device must accept any interference received, including interference that might cause undesired operation.

515 DG01 - 18 June 2017 7

Introduction

8 515 DG01 - 18 June 2017

Chapter 2 Specifications

Specification Table

Operating Environment

Temperature -20 °C to +60 °C (conformal coating)

+5 °C to +40 °C (no coating)

Humidity 0 to 95% non condensing (conformal

coating) 5% to 85% non condensing (no coating)

Power Supply 100-240 V AC (+/-10%) 50-60 Hz (+/-

10%) or 12-28 V DC

Consumption 6 W (typical) Protection Sealed to IP65 (Nema 4X) when panel

mounted

Dimensions

(panel option)

147 mm (5.8") width 74 mm (2.9") height 167 mm (6.6") depth

Display

Type Backlit LCD with 7-digit numeric display

and 11-character alphanumeric display

Digits 15.5 mm (0.6") high Characters 6 mm (0.24") high LCD Backup Last data visible for 15 min after power

down

Update Rate 0.3 second

Non-volatile Memory

Retention > 30 years Data Stored Setup, Totals and Logs

Approvals

Interference compliance Enclosure IECEx, ATEX and CSA approved

enclosures available for hazardous areas

Real Time Clock (Optional)

Battery Type 3 volts Lithium button cell (CR2032) Battery Life 5 years (typical)

Frequency Input (General)

Range 0 to 10 kHz Overvoltage 30 V maximum Update Time 0.3 sec Cutoff frequency Programmable Configuration Pulse, coil or NPS input Non-linearity Up to 10 correction points

Pulse

Signal Type CMOS, TTL, open collector, reed switch Threshold 1.3 volts

Coil

Signal Type Turbine and sine wave Sensitivity 15 mV p-p minimum

NPS

Signal Type NPS sensor to Namur standard

Analog Input (General)

Overcurrent 100 mA absolute maximum rating Update Time < 1.0 sec Configuration RTD, 4-20 mA, 0-5V and 1-5V input Non-linearity Up to 20 correction points (some inputs)

RTD Input

Sensor Type PT100 & PT500 to IEC 751 Connection Four Wire Range -200C to 350C Accuracy 0.1C typical (-100C to 300C)

4-20 mA Input

Impedance 100 Ohms (to common signal ground) Accuracy 0.05% full scale (20 C)

0.1% (full temperature range, typical)

515 DG01 - 18 June 2017

0-5 or 1-5 Volts Input

Impedance 10 MOhms (to common signal ground) Accuracy 0.05% full scale (20 C)

0.1% (full temperature range, typical)

9

Specifications

Logic Inputs

Signal Type CMOS, TTL, open collector, reed switch Overvoltage 30V maximum

Relay Output

No. of Outputs 2 relays plus 2 optional relays Voltage 250 volts AC, 30 volts DC maximum

(solid state relays use AC only)

Current 3 A maximum

Communication Ports

Ports RS-232 port

RS-485 port (optional)

Baud Rate 2400 to 19200 baud Parity Odd, even or none Stop Bits 1 or 2 Data Bits 8 Protocols ASCII, Modbus RTU, Printer*

Transducer Supply

Voltage 8 to 24 volts DC, programmable Current 70 mA @ 24 V, 120 mA @ 12 V maximum Protection Power limited output

Isolated Output

No. of Outputs 1 configurable output (plus 1 optional) Configuration Pulse/Digital or 4-20 mA output

Pulse/Digital Output

Signal Type Open collector Switching 200 mA, 30 volts DC maximum Saturation 0.8 volts maximum

4-20 mA Output

Supply 9 to 30 volts DC external Resolution 0.05% full scale Accuracy 0.05% full scale (20C)

0.1% (full temperature range, typical)

Important: Specifications are subject to change without notice. Printer protocol is available only if RTC option is installed.

10 515 DG01 - 18 June 2017

Chapter 3 Installation

Panel Mounting

The instrument should be located in an area with a clean, dry atmosphere that is also relatively free of shock and vibration.

The standard mounting procedure is panel mounting in a cutout that is 139 mm wide by 67 mm high. Two side clips secure the unit into the panel.

shows the panel mounting requirements for the 500 Series Instrument.

Front Panel

70 mm

Side View

22 mm

145 mm

74 mm

Mounting Clip

Min. 189 mm

139 mm

Panel Cut-out

25 mm

500 Series Instrument Panel Mounting

Rear Connectors

66 mm

67 mm

Top View

138 mm

147 mm

RS232

Port

515 DG01 - 18 June 2017

11

Installation

Electrical Connection

Rear Panel Connections

Figure 2 shows the connections on the rear panel of the instrument.

RS232 Port

FINP SG EXC V AINP1 AINP2 AINP3 AINP4 Vo G Vi SH

1+2+-1+2+3++-+-+-+-+-+E

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

19 20 21 22 23 24 25 26 27 28 29 30

+ - G 1+2+3+4+C- + - + -

RS485 LOGIC INPUT OUT1 OUT2

Figure 2 Rear Panel Connections

Terminal Designations

Terminal Label Designation Comment

1 FINP 1+ Frequency Input 1+ Density Input (Pulse) 2 FINP 2+ Frequency Input 2+ Not used 3 SG - Signal ground 4 EXC V 1+ Excitation Term 1+ Not used 5 EXC V 2+ Excitation Term 2+ For AINP1 RTD Input 6 EXC V 3+ Excitation Term 3+ 7

AINP1

8 - Analog Input ch 1 (-) 9

AINP2

10 - Analog Input ch 2 (-) 11

AINP3

12 - Analog Input ch 3 (-) 13

AINP4

14 - Analog Input ch 4 (-) 15 Vo + 8-24 volts DC output Overload protected 16 G - DC Ground 17 Vi + DC power input DC power in 12-28V 18 SH E Shield terminal

E

AC

N N Mains neutral

MAINS

A A Mains active

+ Analog Input ch 1 (+)

+ Analog Input ch 2 (+)

+ Analog Input ch 3 (+)

+ Analog Input ch 4 (+)

E Mains ground

Temperature Input

Pressure Input

User input

AC power in 100240VAC

31 32 33 34 35

RC R1 R2 R3 R4

RELAYS

CAUTION

MAINS

E N A

AC MAINS

Terminal Label Designation Comment

19

RS485 21 G RS485 ground 22 23 2+ Switch 2

LOGIC

24 3+ Switch 3

INPUTS 25 4+ Switch 4

26 C- Signal ground 27

OUT1 28 - Output ch 1 (-)

29

OUT2 30 - Output ch 2 (-)

31 32 R1 Relay 1

RELAYS

33 R2 Relay 2 34 R3 Relay 3 35 R4 Relay 4

RS232 port 9-pin serial port

+ RS485 (+)

1+ Switch 1

+ Output ch 1 (+)

+ Output ch 2 (+)

RC Relay common

Optional RS485 port20 - RS485 (-)

Optional output

Optional relays

12 515 DG01 - 18 June 2017

Inputs

Frequency (Pulse) Input Connection

Connect pulse or frequency input signals from devices such as: TTL, CMOS, open collector, reed relay switch, coil and Namur proximity switch, as shown below. For better signal integrity, it is recommended to use shielded cable. Refer to Terminal Designations on page 12 for specific terminal numbers for this application.

Squarewave, CMOS or TTL

Frequency

+

3

18

Input

(FINPn)

Signal Ground Shield

Installation

Open Collector

+V

NPN

Frequency

+

Signal Ground

3

Shield

18

Input

(FINPn)

PNP

Reed Relay Switch

Frequency

+

3

18 Shield

Input

(FINPn)

Signal Ground

Coils - with 15 millivolts peak to peak AC minimum

Frequency

+

Input

(FINPn)

~

Signal Ground

3

18

Shield

Frequency

+

Signal Ground

3

Shield

18

Input

(FINPn)

Namur Proximity Switch

NPS

515 DG01 - 18 June 2017 13

15

+

18

Vo +8V DC

Frequency

Input

(FINPn)

Shield

Installation

Analog Input Connections

All analog inputs can accept DC signals ranging from 0-5V, 1-5V and current signals from 4 to 20 mA.

Analog Input 1 (AINP1) can also accept an RTD input (PT100 or PT500) as well as the standard 0-5 V, 1-5V and 4 to 20 mA input.

Applying levels of input current above the absolute maximum

rating (100mA) may cause permanent damage to the input

0-5 and 1-5 Volt Inputs

For externally powered voltage transmitters, connect each transmitter to a pair of input terminals as shown in Figure 3. Refer to Terminal

Designations on page 12 for specific terminal numbers for this application.

CAUTION

circuitry.

+

Signal

-

Transmitter

18

+

Analog

Input

(AINPn)

-

Shield

Figure 3 Externally Powered Voltage Transmitter

Connect internally powered voltage transmitters as shown in Figure 4.

15

Vo +8...24V DC

+

-

16

DC ground

18

Shield

Analog

Input

(AINPn)

Transmitter

+

Signal

-

Figure 4 Internally Powered Voltage Transmitter

14 515 DG01 - 18 June 2017

Installation

4-20 mA Inputs

For an externally powered current loop, connect the transmitter to the input terminals as shown in Figure 5. Refer to Terminal Designations on page 12 for specific terminal numbers for this application.

Transmitter

+

Analog

Input

(AINPn)

-

Figure 5 Externally Powered Current Loop

The internal overload-protected power supply has sufficient power for three current loops at 24 V DC (more current loops can be supplied by using a reduced voltage setting). Connect internally powered current loops as shown in Figure 6.

Figure 6 Internally Powered Current Loops

15

+

Transmitter

-

+

Transmitter

-

Vo +8...24V DC

Analog

+

Input (AINPn)

Analog Input

+

(AINPn)

RTD Input

The instrument uses 4-wire RTDs to provide optimum accuracy and stability. It is not necessary to have equal cable lengths for the 4-wire RTDs, but they should be no longer than 50 metres. It is also recommended to use shielded twisted pairs.

515 DG01 - 18 June 2017 15

Installation

Connect RTD inputs as shown in Figure 7.

Excitation V (EXC V)

+

Analog Input (AINPn)

+

RTD

-

+

-

Analog Input (AINPn) Signal Ground

3

Shield

18

Figure 7 RTD Connection

Only Analog Input 1 (AINP1) is available for RTD connection. Excitation terminal 2 (pin 5) must be used in conjunction with AINP1. It is possible to use two-wire or three-wire RTDs. However, four wires must

be taken to the RTD, with the signal and current wires joined as close to the RTD as possible.

Note: The RTD has no polarity and can be connected in either direction.

However, the excitation and the positive analog input must be connected to one side of the RTD. Similarly, the Signal Ground and the negative analog input must be connected to the other side of the RTD.

Logic Input Connection

These input(s) are designed to be connected to CMOS, TTL, open collector signals or a voltage free contact switch. A minimum activation time of 300ms is required to guarantee reading of an input.

It is possible to read the status of all the logic inputs via a Modbus register even if they are not used for a control purpose in the application.

16 515 DG01 - 18 June 2017

Outputs

Installation

A remote push-button key can be connected to the Logic Inputs as shown below.

Logic Input

22

1+

23

2+

24

3+

25

4+

26

CSignal Ground

Figure 8 Logic Inputs Connection Diagram

The advanced option for the instrument provides two opto-isolated passive 4-20 mA output ports.

4-20 mA Output Connection

Figure 9 shows the connections for a 4-20 mA output. Output channel 1 uses terminals 27 (+) and 28 (-), output channel 2 uses terminals 29 (+) and 30 (-).

Maximum Load Resistance = (Supply-9) / 0.02 ohms

515

4-20 mA

Output

(OUTn)

18

+

DC supply

9...24V

-

Load

Shield

Figure 9 Output 4-20 mA Connection Diagram

515 DG01 - 18 June 2017 17

Installation

Control Relays (Alarms)

The standard instrument has two alarm relays, which can be used to drive external devices such as external relays, LEDs, and audible alarms. The advanced option has four alarm relays.

The operation of each alarm relay can be set to various modes as described in Alarms on page 39.

There is also an equipment failure alarm option. This alarm can have normally closed (open) contacts which open (close) when the instrument displays any error message as listed in Error Messages on page 48, or if there is a loss of power to the instrument.

The output characteristics of the relays are:

Maximum Voltage 30 volts DC or 250 volts AC Maximum Current 3 A

Note: Solid state relays use AC voltage only.

Relay 1

MOV

Relay 2

MOV

Relay 3

MOV

Relay 4

MOV

500

Relay Common

RC

R1

R2

R3

R4

Alarm

Supply

Figure 10 Relay Connection Diagram

18 515 DG01 - 18 June 2017

RC Network for Interference Suppression

When driving highly inductive loads with the relay outputs, it is recommended to use RC suppression networks (often called “Snubbers”) for the following reasons:

• To limit the amount of electrical noise caused by arcing across the

contacts, which may, in extreme cases, cause the microprocessor to act erratically.

• To protect the relay contacts against premature wear through pitting.

RC suppression networks consist of a capacitor and series resistor and are commonly available in the electrical industry. The values of R and C are dependent entirely on the load. However, if the user is unsure of the type of snubber to use, values of 0.25 F and 100  will usually suffice. Note that only mains-approved RC suppression networks should be used.

The basic principle of the operation is that the capacitor prevents a series of sparks arcing across the contact as the contact breaks. The series resistor limits the current through the contact when the contact first makes.

Installation

Communications

The communication protocols are described in Communications on page 51.

RS-232 Port

The RS-232 port has a 9-pin DB female connector and has the following pinout:

6

12

Pin 1 Not used Pin 2 Transmit (TxD) Pin 3 Receive (RxD) Pin 4 Not used Pin 5 Ground Pin 6 Not used

7

8

9

4

3

5

Pin 7 Handshake line (CTS) Pin 8 RTS Out Pin 9 Not used

515 DG01 - 18 June 2017 19

Installation

Note: The instrument does not require a null-modem cable for connection

to a personal computer. Refer to Hardware Interconnection on page 51 for cable termination requirements.

Infra-red Port

The infra-red port is located at the front panel, directly below the row of status indicators. The main function of this port is for retrieving current or logged data with a PC that has an infra-red port.

RS-485 Port (Optional)

Up to 32 units can be connected to a common RS-485 bus. Each unit has a unique address that the host computer uses to identify each instrument.

Figure 11 shows the connection of several instruments to a computer using the RS-485 port.

Host

Computer

Comms

Gnd

Earthing and Shielding

It is a good practice to use shielded cable for all signal connections to the instrument. Care must be taken to separate signal cables from power cables to minimize interference.

Overall earth should be connected at the instrument end only. This connection should be as short as possible and connected to the earthing point on the rear terminal at pin 18.

Twisted Pair

+

-

Gnd Gnd

-+-

+

19 20 21

Instrument Instrument

19 20 21

Figure 11 RS-485 Interface Connections

Load 120 ohms

20 515 DG01 - 18 June 2017

Chapter 4 Operation

Normal Operation

In normal operation mode, you press the buttons on the front panel to display the values recorded and calculated by the instrument. There are different categories of information that the instrument can display:

• Process variables

• Instrument settings

Default Variable

In some applications, one variable is of more interest than others, and for this reason a default variable can be assigned during instrument calibration. If the display timeout option is enabled and no buttons are pressed for the selected period (usually 30 seconds) the display returns to the default variable.

Status LEDs

The status LEDs illuminate to show the following conditions:

Run Set Alarm Cal

Run The host computer is downloading the application software. Set The instrument is in Calibrate Set mode. Alarm The instrument has an error, as indicated on the display panel. Cal The instrument is in Calibrate View mode.

Front Panel Keys

For most actions with the front panel keys, you can hold a key to scroll through the values or options, instead of repeatedly pressing the key.

DISPLAY

Press the key to step or scroll through the main menu items.

DISPLAY

515 DG01 - 18 June 2017

21

Operation

Main Menu Items

The main menu in this instrument consists of the following items. The

DISPLAY

key is used to step or scroll through the list.

DISPLAY



D-LINE

PERIOD

D-REF

TEMP

PRESS

SG

Z-LINE

Z-REF

MW

Tc

Pc

USER INPUT

Description Options

Density (Line) Period Hold the key to display (or edit) the Default

SET

Period. Density (Reference) Temperature Pressure Hold the key to view the absolute value if

SET

the type of pressure sensor is set to GAUGE. Specific gravity Z-Factor (Line) Z-Factor (Reference) Molecular weight Critical temperature Critical pressure User input

USER OUT-A

USER OUT-B

REPORT PRINT

LOGGED DATA

MODEL INFO

CAL MENU

User output A User output B Only shown if print

option is selected Only shown if real-time

clock option is installed

Hold the key to print log report as defined in

SET

the TM/LOG section of calibration.

Hold the key to display data logs as

SET

described in Data Logs on page 23.

Hold the key to display the Model

SET

information as described in Model Information

on page 25.

Hold the key to enter Calibration View

SET

mode as described in Calibration View Mode on

page 27.

22 515 DG01 - 18 June 2017

Default Period

Operation

Data Logs

SET SET

Hold the key to display (or edit) the Default Period constant while viewing the live period. The display of the Default Period will change from view mode to edit mode after 2 seconds if access has been enabled in calibration. Once in edit mode the Set indicator will illuminate and the value is changed in exactly the same way as in calibration set mode. If testing is required, then set the Default Period to non-zero value and the instrument will use this value instead of the live pulse input.

The instrument will log the main-menu variables if real-time clock option is installed. The logs are at fixed intervals of hours, days, weeks, months and years. The instrument can store a total of more than 1000 log entries.

If the number of log entries exceeds the programmed number for a particular time interval, the oldest log entry is overwritten by the newest one for that time interval.

The log entries are recorded at the following times: HOUR 00 minutes each hour

DAY 00 hours and 00 minutes each day WEEK 00 hours and 00 minutes each Monday MONTH 00 hours and 00 minutes on the first day of the month YEAR 00 hours and 00 minutes on the first day of the year.

View Data Logs

Use the following procedure to view the data that has been logged by the instrument:

1. Press the key to scroll through the menu to the LOGGED DATA

DISPLAY

prompt.

2. Hold the key.

SET

The system displays the hourly log. The timebase and number of the log are shown, for example LH-001.

3. While holding the key use the key to print the data for the

DISPLAY

displayed log if the printer option has been selected.

515 DG01 - 18 June 2017 23

Operation

The following example shows the hourly log number 006 at 15:00 (3:00 pm) on 16 January 2016. The day and month alternate with the year in the bottom right hand corner.

15-00

LH-006 16/01

15-00

LH-006 2016

Figure 12 shows how to display the logged data.

SET

Press at any time to exit from the Data Logs

Press

to select the log number

DISPLAY

Hold to

show the values for a log entry

HOUR

LH-001

DAY

LD-001

…

Variable 2

Variable 1

Error code

Press to select

the time base

…

WEEK

LW-001

…

DISPLAY

Hold and press to

display the main menu variables

Figure 12 Logged Data Display Methods

MONTH

LM-001

LY-nnnLM-nnnLW-nnnLD-nnnLH-nnn

LY-002LM-002LW-002LD-002LH-002

YEAR

LY-001

24 515 DG01 - 18 June 2017

Model Information

The model information items display the hardware, software and application versions of the instrument. This information is mainly for service personnel.

Operation

DISPLAY



2-1--S-

515 MODEL

d-tPU-

DG01 INPUT

3_0_000

500PM VERS

026357

CUSTOM VERS

123456

ABC123 S/N

16-15

EDITED 27/08 2016

Description

The hardware model code. Refer to Product Codes on page 71 for more information.

The Application number and the assignment of the inputs. Refer to Application Information Code on page 72 for more information.

The version of 500-Series Program Manager from which the application software was compiled.

The Customer version code for this installation. Refer to Custom Version Codes on page 72 for more information.

The instrument serial number and unit tag. The serial number is on the top line and unit tag is on the bottom left. Both items are entered when the instrument application software is initially loaded. If the unit tag is not used the default tag,

The time and date when the calibration of the instrument was last edited. The format of the time and date is the same as for the data logs. This example shows 16:15 (4:15pm) on the 27th August 2016.

UNIT, will be used.

This function is available only if the instrument has the real time clock option.

Press at any time to exit from the Model information.

515 DG01 - 18 June 2017 25

SET

Operation

26 515 DG01 - 18 June 2017

Chapter 5 Instrument Calibration

Introduction

You can view or change the settings of the instrument according to the access level for each parameter as set by the manufacturer. There are four levels of access to the parameters as follows:

• Not visible - you cannot display or edit the parameter.

• Display Only - you can display the parameter, but you cannot change the

setting.

• Programmable - you can change the setting of the parameter in

Calibration Set mode.

• Password protected - you can change the setting of the parameter in

Calibration Set mode only if you enter the correct password.

Note: When you enter Calibration Set mode, the instrument requests you to

enter a password. Any value will allow to change the settings of the “programmable” parameters, but the correct password must be entered to change the password-protected parameters.

Calibration View Mode

Use the following procedure to view the calibration settings of the instrument:

DISPLAY

SET

DISPLAY

Run Set Alarm Cal

1. Press to scroll to the CAL MENU prompt.

2. Hold the key.

The instrument beeps once, illuminates the Cal indicator and shows CAL on the display panel.

• Press to scroll through the flashing menu headings.

• Press to scroll through submenu items.

• Press to return to the main calibration menu.

3. To exit from the Calibration View mode, press to scroll to the END

option and press . The instrument returns to Normal Operation mode.

SET

515 DG01 - 18 June 2017

27

Instrument Calibration

Calibration Set Mode

In Calibration Set mode, you can change the settings of the “programmable” parameters. You must enter the system password to change the setting of the “password-protected” parameters.

Use the following procedure to enter Calibration Set mode:

Run Set Alarm Cal

1. Press to scroll to the CAL MENU prompt.

2. Hold the key.

DISPLAY

SET

The instrument beeps once, illuminates the Cal indicator and shows CAL on the display panel.

3. Press to select any flashing menu heading except END.

4. Hold for two seconds.

SET

The instrument requests a password.

5. Press or to change the value of the current digit. To select the

next digit, press .

6. Press to accept the password.

SET

• The instrument makes two beeps for a correct password entry and

enables you to change the “programmable” and “password-protected” parameters.

• The instrument makes one beep for an incorrect password entry and

enables you to change only the “programmable” parameters.

The instrument illuminates both the Cal and Set indicators.

7. Edit the instrument parameters as required. The programmable values

are indicated by the flashing display.

• To change a numerical value, press to increase a value, or press

to decrease a value. Press a key momentarily to change the value one number at a time. Hold a key to scroll through the numbers. To proceed to next digit, press .

• To change an option setting, press or to scroll through the

options.

8. Press to accept the currently displayed value and proceed to the next

parameter. You can press to return to the main calibration menu.

9. To exit from Calibrate Set mode, press to scroll through the main

calibration menu to END, then press . Otherwise, from any menu,

Run Set Alarm Cal

28 515 DG01 - 18 June 2017

you can press and hold for two seconds. The instrument makes two beeps and cancels the Cal and Set indicators.

SET

DISPLAY

SET

Changing the Instrument Settings

In Calibration Set mode, the display flashes the item that can be changed. For option settings, the display flashes the complete option. For a numeric parameter, the display flashes one digit at a time, you can change the value of the flashing digit as required, then move the flashing cursor to change another digit.

Note: When you change the setting of a parameter, the instrument records

the result as soon as you move to another parameter, or exit from the Calibration Set mode.

Changing Option Settings

When you display an option that can be changed, the entire option flashes on the display, such as the choices of ODD, EVEN or NONE for the communications parity bit checking. Press or to change the option. You can “scroll” through the options in either direction to make a selection as shown below.

Instrument Calibration

ODD EVEN NONE

ODD NONE EVEN

Changing Numeric Settings

The display flashes the digit that can be changed.

6789.123

Press to select the digit that you wish to change.

Press or to increase or decrease the value of the selected digit.

Changing the Decimal Point

To change the position of the decimal point, press to move the flashing selection until the decimal point flashes. Press or to move the decimal point to the right or left as required.

Units of Measurement

The calibration of some parameters is based on the units that are defined for the relevant variables. These units of measurement can been viewed in the UNITS menu in calibration below.

515 DG01 - 18 June 2017 29

Instrument Calibration

Calibration Menu Tree

Figure 13 and Figure 14 show the keys for moving around the calibration menu tree in Calibration View or Set mode.

Press

PARAMS

DFLT PERIOD

ATM-PR

T-REF

P-REF

CALC TYPE

DCF

D-OFF

INP-X INP-Y

K D0 T0

TEMPCO PRESCO

VIBDIM ISENTR

Tc_0 Tc_A Tc_B

Pc_0 Pc_A Pc_B

ACENTR

TEMP

TYPE

PT-MIN PT-MAX PT-DEF

PRESS PRESS TYPE

PT-MIN PT-MAX PT-DEF

USER

TYPE

PT-MIN PT-MAX PT-DEF

Press

SET

UNITS

View/Edit units of measurement

INPUTS

PERIOD

SIGNAL DBNCE CUTOFF FILTER

PT100/500

ABSOL

4-20

PULSE

4-20

0-5 /1-5V

GAUGE

0-5 /1-5V

DEFAULT

0-5 /1-5V

DEFAULT

NPS

COIL

AINP1

DEFAULT

AINP2

AINP3

PINP1

Continued on next page

OUTPUT

OUT1

selection

PT-MIN PT-MAX

OUT2

selection

PT-MIN PT-MAX

ALARMS

ALRM1/2

selection

TYPE POINT HYST

ALRM3/4

selection

TYPE POINT HYST

EXCEPT VALUE

Figure 13 Calibration Menu Tree Sheet 1

30 515 DG01 - 18 June 2017

Instrument Calibration

From previous page

COMMS

RS232

PROTOC

BAUD PARITY S-BITS

Press

SET

RS485

PROTOC

BAUD PARITY S-BITS

INFRA

PROTOC

BAUD PARITY S-BITS

DATE FORM CLOCK YEAR CLOCK M-DAY CLOCK H-MIN HOUR LOGS DAY LOGS WEEK LOGS MONTH LOGS YEAR LOGS RESET LOGS REPORT TYPE PRN TYPE

TM/LOG

Press

DEFAULT VAR SUPPLY VOLT T-OUT MODE T-OUT SEC DISPL TAGS BACK-L T-OUT DOCKET RESET

SETUP

TEST

FINP1 AINP1/4 LINP1/4

OUT1

OUT2

REL/ALRM

SUPPLY

PROCESS

HI

LO

PROCESS

OPEN

CLOSED

END

Exit from calibration mode

RTU DATA RTU ADDR ASCII ADDR FLASH PORT

The shaded boxes indicate advanced options

DISPLAY

Press at any point to return to the main calibration menu. Press at any I/O assignment position to move to the next I/O

assignment in the submenu (eg pressing on ALRM1 will move you to ALRM2)

Figure 14 Calibration Menu Tree Sheet 2

515 DG01 - 18 June 2017 31

Instrument Calibration

Instrument Settings

Units of Measurement

The Units menu allows the units to be viewed and edited if necessary without the reloading of new application software. Any change in units will result in a full reset to initially downloaded settings. Therefore, any required changes to units of measurement should be made before changing any other settings.

SET

 

ITEM n unit

ACCEPT UNITS

UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END

The units for main menu or calibration items can be viewed by pressing

SET

the key.

The units of measurement are password protected. To edit the units the correct password must be entered on entry to EDIT mode.

Press or to select the required units. Refer to Available Units

of Measurement on page 74 for the list of available units.

The Accept Units prompt will only appear if one or more of the units have been changed.

IMPORTANT: Accepting the change of units will initiate a master reset. All calibration parameters will revert to their default value (i.e. those values included in the downloaded instrument software). All totals and any logged information will be cleared.

Press or to select YES, then press the key. The instrument makes three beeps to confirm the reset command.

SET

The message -RESET- PLEASE WAIT will be displayed as the instrument exits calibration mode and completes a full re-boot sequence.

32 515 DG01 - 18 June 2017

Parameters

SET

 UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END

Instrument Calibration

DEFLT unit

ATM-PR unit

T-REF unit

P-REF unit

CALC TYPE

You can set this Default Period parameter to non-zero value for testing purposes (the instrument uses the Default Period value instead of the live pulse input when the Default Period is not equal to 0).

You can also easily access the Default Period from the main menu by pressing and holding the SET key when displaying live period.

If the pressure sensor is configured as a Gauge type sensor, the instrument adds the atmospheric pressure to the measured pressure to determine the absolute pressure. Set the atmospheric pressure (absolute) according to the height above sea level. The commonly used value is 101.325 kPAA.

Enter the reference (base) temperature for the calculation of corrected density. The commonly used values are 15 deg C or 60 deg F.

Enter the reference (base) absolute pressure for the calculation of the corrected density. The commonly used value is 101.325 kPAA.

Select the type of calculations (Equations of State) to suit the conditions and nature of the gas:

• IDEAL - Ideal Gas

• REDLICH - Redlich-Kwong (1949)

DCF unit D-OFF unit

VAR INP-X

INP-Y

• SOAVE - Soave-Redlich-Kwong (1972)

• PENG - Peng-Robinson (1976)

For more details on each calculation type refer to Calculations on page 2

Press or to select the calculation type as required. Enter the density correction factor and the density offset. These

parameters allow the user to adjust line density by the use of a multiplier and a fixed offset:

Used Density = Line Density * DCF + Doff Select a main menu variable to assign as the Input X (Y) to the pre-

programmed User Defined Function look-up table. Note: The User Defined Function look-up table is constructed and

downloaded from the 500 Series Program Manager as part of the embedded software. The table provides two outputs OUT-A and OUT-B as main menu variables.

Press or to select the variable as required.

515 DG01 - 18 June 2017 33

Instrument Calibration

SET

 UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END

K unit D0 unit T0 unit TEMPCO unit PRESCO unit VIBDIM unit

ISENTR EXP Tc_0 unit

Tc_A unit Tc_B

Enter the density meter calibration factor. Enter the density meter calibration constant (density). Enter the density meter calibration constant (period). Enter the density meter temperature coefficient. Enter the density meter pressure coefficient. Enter the density meter vibration element dimension. Enter the isentropic exponent of the gas required for density calculations.

This parameter is applicable when the Calculation Type is not Ideal Gas.

Enter the base critical temperature of the gas. Some sample values are shown in Properties of Selected Gases on page 75.

This parameter is applicable when the Calculation Type is not Ideal Gas.

Enter the critical temperature approximation coefficients (derived from the gas properties). The critical temperature will be calculated as the function of Specific Gravity (SG):

Pc_0 unit

Tc = Tc_0 * (1 + Tc_A * SG + Tc_B * SG * SG)

This may allow for better approximation of the critical gas parameters. Set these coefficients to zero if no SG approximation is required.

This parameter is applicable when the Calculation Type is not Ideal Gas.

Enter the base critical pressure of the gas. Some sample values are shown in Properties of Selected Gases on page 75.

34 515 DG01 - 18 June 2017

Instrument Calibration

SET

 UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END

Pc_A unit Pc_B

ACENTR FACT

Inputs

SET

 UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END

Pulse Input 1

This parameter is applicable when the Calculation Type is not Ideal Gas.

Enter the critical pressure approximation coefficients (derived from the gas properties). The critical pressure will be calculated as the function of Specific Gravity (SG):

Pc = Pc_0 * (1 + Pc_A * SG + Pc_B * SG * SG)

This may allow for better approximation of the critical gas parameters. Set these coefficients to zero if no SG approximation is required.

This parameter is applicable when the Calculation Type is SoaveRedlich-Kwong or Peng-Robinson.

Enter the acentric factor of the gas.

INPUT

PERIOD PINP1

SIGNAL PINP1

DBNCE PINP1

CUTOFF PINP1

For this application, the Pulse Input 1 is assigned to period.

Pulse Input 1 signal type.

Press or to select COIL, NPS or PULSE. Switches and relays have metal contacts to make and break circuits. The

contact bounce introduces random signals into the circuit. The instrument has a debounce circuit to eliminate this problem.

Note: When the debounce circuit is enabled, the maximum input

frequency for large amplitude signals is limited to approximately 500 Hz. For low amplitude signals, the maximum frequency can be approximately 200 Hz.

Press or to select ENABLE or DISABLE. The Cut-off is the lowest pulse frequency for which the instrument

continues density calculations.

The value for the cut-off is specified as the frequency of the pulse densitometer in Hertz.

515 DG01 - 18 June 2017 35

Instrument Calibration

SET

 

FILTER PINP1

UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END

Input fluctuations may create distortions in input readings. The instrument has a digital filter that can average out these fluctuations.

As a guide to the degree of filtering to use, the following table shows the response time (in seconds) to reach 90% and 99% of a step change in input.

The value A is the filter constant that the user can set. Filter setting A Seconds to reach 90%

of full swing

Seconds to reach 99% of full swing

000 224 448 6510 10 8 15 15 12 23 20 14 27 25 18 34 35 25 48 45 32 62 60 42 82 75 52 102 90 62 122 99 68 134

Analog Input 1

INPUT

TEMP AINP1

TYPE AINP1

The input filter range is from 0 to 99. A setting of 0 (zero) means that there is no filtering.

For this application, Analog Input Channel 1 is assigned to Temperature.

Select the type of analog input source.

Press or to select 0-5 V, 1-5V, 4-20 mA, PT100, PT500 or DEFAULT.

36 515 DG01 - 18 June 2017

SET

 

Instrument Calibration

UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END

PT-DEF AINP1

PT-MIN AINP1 PT-MAX

The Default Point is a fixed value that the instrument uses when the Input Type is set to DEFAULT or Default Value On Exception has been chosen. You can use the Default value instead of a sensor signal for testing purposes, or if the sensor is faulty.

You can set the Default value during instrument commissioning so that it is available immediately if you select the Default input type at a later date.

Enter the value in the engineering units of assigned variable.

The Minimum Point and Maximum Point parameters are only for 0-5 V, 1-5V and 4-20 mA inputs.

Enter the value of the measured parameter that corresponds to the minimum input signal level. The minimum point is commonly referred to as the base value.

Enter the value of the measured parameter that corresponds to the maximum input signal level. The maximum point is the same as the base value (set at the minimum point) plus the span value.

Analog Input 2

INPUT

PRESS AINP2

TYPE AINP2

For example, if the source signal is 4 mA for a temperature of 10°C, enter 10 for the minimum point. If the source signal is 20 mA for a temperature of 200°C, enter 200 as the maximum point.

For this application, Analog Input Channel 2 is assigned to Pressure.

Select the type of analog pressure sensor. For a gauge type sensor, the instrument adds the atmospheric pressure as defined in the Parameters menu.

The pressure will be displayed as absolute or gauge, whichever is selected and indicated with an ‘A’ or ‘G’ at the end of the pressure units. However the pressure value when logged or read via serial communications will always be absolute.

Press or to select ABSOL or GAUGE. Select the type of analog input source.

Press or to select 0-5 V, 1-5V, 4-20 mA or DEFAULT.

515 DG01 - 18 June 2017 37

Instrument Calibration

SET

 

PT-DEF AINP2

PT-MIN AINP2 PT-MAX

UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END

The Default Point is a fixed value that the instrument uses when the Input Type is set to DEFAULT or Default Value On Exception has been chosen. You can use the Default value instead of a sensor signal for testing purposes, or if the sensor is faulty.

You can set the Default value during instrument commissioning so that it is available immediately if you select the Default input type at a later date.

Enter the value in the engineering units of assigned variable. Enter the value of the measured parameter that corresponds to the

minimum input signal level. The minimum point is commonly referred to as the base value.

Enter the value of the measured parameter that corresponds to the maximum input signal level. The maximum point is the same as the base value (set at the minimum point) plus the span value.

For example, if the source signal is 4 mA for a pressure of 1.000 MPa, enter 1.000 as the minimum point. If the source signal is 20 mA for a pressure of 5.000 MPa, enter 5.000 as the maximum point.

Analog Input 3

INPUT

USER AINP3

TYPE AINP3

PT-DEF AINP3

For this application, Analog Input Channel 3 is assigned to User Input.

Select the type of analog input source.

Press or to select 0-5 V, 1-5V, 4-20 mA or DEFAULT. The Default Point is a fixed value that the instrument uses when the Input

Type is set to DEFAULT or Default Value On Exception has been chosen. You can use the Default value instead of a sensor signal for testing purposes, or if the sensor is faulty.

You can set the Default value during instrument commissioning so that it is available immediately if you select the Default input type at a later date.

Enter the value in the engineering units of assigned variable.

38 515 DG01 - 18 June 2017

Instrument Calibration

SET

 UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END

PT-MIN AINP3 PT-MAX

EXCEPT VALUE

Outputs

SET

 UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END

Enter the value of the measured parameter that corresponds to the minimum input signal level. The minimum point is commonly referred to as the base value.

Enter the value of the measured parameter that corresponds to the maximum input signal level. The maximum point is the same as the base value (set at the minimum point) plus the span value.

This option allows you to choose which value the instrument will use for the analog input that raised an exception. The exception message will continue to be displayed until the fault is rectified or the input type is set to DEFAULT in calibration set mode.

Press or to select the value on exception as follows:

NONE Value will be set to zero DEFAULT Value will be set to the default point if exists, otherwise zero BOUNDS Value will be set to the boundary limit (min or max point)

VAR OUTn

PT-MIN OUTn PT-MAX OUTn

Alarms

You can assign any of the main menu variables to the 4-20 mA outputs.

Press or to select the variable that is required as an output. The output minimum value corresponds to the 4 mA point and the output

maximum value corresponds to the 20 mA point.

Setting the output range differently from the input range enables the instrument to amplify the input signal. You can drive a chart recorder that “zooms in” on a specified range of values instead of displaying the full operating range of the transducer.

For example, if “Temperature” is chosen as an output variable and engineering unit is degrees C, then setting the minimum point to 20 and the maximum point to 100 would reflect the temperature range of 20 to 100 degrees C. At values below the minimum and above the maximum points, the output remains at 4 mA and 20mA respectively.

The alarm relay(s) can be assigned to main menu variables such as temperature, or set as an equipment failure alarm.

515 DG01 - 18 June 2017 39

Instrument Calibration

The alarm switches “on” whenever an alarm condition exists. The alarm switches “off” when the alarm condition no longer exists. However, you may need to configure external alarm devices that require acknowledgement for cancelling an alarm.

Equipment Failure Alarm

Any alarm relay can be assigned as an equipment failure alarm. This alarm setting can have normally closed (open) contacts that open (close) when the instrument displays any error message as listed in Error Messages on page

48.

SET

 

RELAY ALRMn

TYPE ALRMn

UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END

Select a main menu variable to assign to the alarm relay. Note: If the alarm type is set to “equipment alarm”, this relay assignment

setting is ignored.

Press or to select the variable that is required as an alarm. The options available for alarm types are as follows:

• HI-NO — High Alarm, Normally Open contacts

• HI-NC — High Alarm, Normally Closed contacts

• LO-NO — Low Alarm, Normally Open contacts

• LO-NC — Low Alarm, Normally Closed contacts

• BD-NO — Band Alarm, Normally Open contacts

• BD-NC — Band Alarm, Normally Closed contacts

• AL-NO — Equipment Alarm, Normally Open contacts

• AL-NC — Equipment Alarm, Normally Closed contacts

Press or to select the type of alarm required.

POINT ALRMn

The Alarm Setpoint is available for viewing and editing for any alarm type except ‘equipment alarms’.

The Alarm Setpoint is the value (in engineering units of assigned variable) at which the alarm condition occurs and therefore the alarm is on.

Each alarm is completely independent, e.g. a High alarm does NOT need to have a higher setpoint than the a Low alarm.

40 515 DG01 - 18 June 2017

Instrument Calibration

SET

 

HYST ALRMn

UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END

The Alarm Hysteresis is available for viewing and editing for any alarm type except ‘equipment alarms’.

Alarm hysteresis loops occur when the alarm toggles continuously on and off when the process variable is close to the setpoint.

For a high alarm, the alarm activates when the value of the variable rises above the alarm setpoint and deactivates when the value falls below the alarm setpoint minus the amount of the hysteresis setting (if any).

For a low alarm, the alarm activates when the value of the variable falls below the alarm setpoint and deactivates when the value rises above the alarm setpoint plus the amount of the hysteresis setting (if any).

For a band alarm, the alarm activates whenever the value of the variable is outside the setpoint plus or minus the amount of the hysteresis.

For example, with a high alarm setpoint of 200, and a hysteresis setting of zero, a value oscillating between 197 and 202 will cause the alarm to toggle on at 200 and toggle off below 200. However, if the hysteresis is set to 5, the value of the variable must fall below 195 to cancel the alarm. The alarm will reactivate only when the value again rises above 200.

Communications

The instrument has the following communication ports:

• RS-232 Port - A 9-pin female connector on the rear panel of the

• RS-485 Port (optional) - Terminals on the rear panel.

• Infra-red Port - Discontinued - Although program settings may be

instrument.

visible in calibration, the required hardware is no longer available. The Infra-red protocol assignment ( and the remaining

INFRA settings can be ignored.

PROTOC INFRA) should be set to NONE

515 DG01 - 18 June 2017 41

Instrument Calibration

SET

 UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END

PROTOC RS232

RS485 INFRA

BAUD RS232

RS485 INFRA

The Communications Protocols can be assigned to the communication ports as follows (a protocol cannot be assigned to more than one port at a time):

• ASCII - Simple ASCII available for all ports

• RTU - Modbus RTU available for all ports

• PRN - Printer Protocol available for RS232 and RS485

• NONE - If a port is not being used, set the protocol to NONE.

Printer Protocol (PRN) is only available if the option with Real Time Clock is installed.

For the selected port, press or to select the desired protocol. The Baud setting is the speed of the communication port in data bits per

second.

The baud rate of the instrument must match the baud rate of the communication device that the instrument is connected to.

Use or to select 2400, 4800, 9600 or 19200 baud.

PARITY RS232

RS485 INFRA

S-BITS RS232

RS485 INFRA

RTU DATA

The Parity bit helps to detect data corruption that might occur during transmission.

The parity bit setting of the instrument must match the parity bit setting of the communication device that the instrument is connected to.

Press or to select EVEN, ODD, or NONE. The Stop bit indicates the end of a transmission. Stop bits can be 1 or 2

bit periods in length. The stop bit setting of the instrument must match the stop bit setting of the communication device that the instrument is connected to.

Press or to select 1 or 2 stop bits. The Modbus RTU data format for the 2-register (4-byte) values can be

set as either floating point or long integer values.

Use or to select FLOAT or INTEGER.

42 515 DG01 - 18 June 2017

SET

 

Instrument Calibration

UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END

RTU ADDR

The Modbus RTU protocol address must be in the range of 1 to 247. When multiple instruments (slaves) are connected to one communication device (master), each assigned address must be unique.

Note: The master device uses the RTU address 0 (zero) for broadcasting

to all connected slave units.

ASCII ADDR

The ASCII protocol address identifies each communicating device.

The address must be in the range of 1 to 255. When multiple instruments (slaves) are connected to one computer (master), each assigned address must be unique.

FLASH PORT

The Flash Driver Port assignment defines the communication port for downloading software into the instrument.

The default setting of this assignment is the RS-232 port.

Press or to select RS-232, RS-485, or INFRA.

Time Settings and Data Logging

Instrument Clock

Note: The real-time clock is part of the advanced option package.

The instrument has a real-time clock for recording logged events. The clock displays the time and the date. The date format can be set to European format (day/month/year) or American format (month/day/year). The time clock uses the 24-hour format.

The clock will continue to operate for up to 5 years (typically) on the internal battery if there is no power connected to the instrument. Therefore, after an interruption to the power supply, the instrument recommences normal operation although there will be no data recorded during the period without a power supply.

Note: If there is an interruption to the power supply and the battery has

failed, the instrument displays an error message when the power supply is restored. In this case, you should set the current time and date so that the instrument continues to log data at the correct times.

515 DG01 - 18 June 2017 43

Instrument Calibration

Data Logging

The instrument will log the main-menu variables if real-time clock option is installed. The logs are at fixed intervals of hours, days, weeks, months and years. The instrument can store a total of 1530 log entries which are distributed over the log intervals as follows:

• 800 hourly logs

• 400 daily logs

• 200 weekly logs

• 100 monthly logs

• 30 yearly logs

If the number of log entries exceeds the programmed number for a particular time interval, the oldest log entry is overwritten by the newest one for that time interval.

The log parameters (below) also determine the number of records to be included in a report printout if the printing option is used.

SET

 UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END

DATE FORM

CLOCK YEAR

CLOCK M-DAY

CLOCK H-MIN

HOUR LOGS

Clock Date Format

The European date format is: dd/mm/yyyy or (Day-Month).

The American date format is: mm/dd/yyyy or (Month-Day).

Press or to select DAY-M or M-DAY The Clock Year defines the current year for the real-time clock. The Clock M-DAY setting defines the current month and date for the

real-time clock. This parameter is programmed in Month-Day format for both European and American date formats.

The Clock H-MIN setting is the current time in hours and minutes for the real-time clock.

Set the number of Hourly Logs to appear on the printed log report.

The hourly log entry occurs at 00 minutes each hour.

DAY LOGS

Set the number of Daily Logs to appear on the printed log report.

The daily log entry occurs at 00 hours and 00 minutes each day.

WEEK LOGS

Set the number of Weekly Logs to appear on the printed log report.

The weekly log entry occurs at 00 hours and 00 minutes each Monday.

44 515 DG01 - 18 June 2017

SET

 

Instrument Calibration

UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END

MONTH LOGS

YEAR LOGS

RESET LOGS

REPORT TYPE

Set the number of Monthly Logs to appear on the printed log report.

The monthly log entry occurs at 00 hours and 00 minutes on the first day of the month.

Set the number of Yearly Logs to appear on the printed log report.

The yearly log entry occurs at 00 hours and 00 minutes on the first day of the year.

Reset the logged data. You may need to reset (clear) the logged data if you change the time/log settings.

Press or to select YES, then press the key. The instrument

SET

makes three beeps to confirm the reset command. The Printer Protocol Report Type determines the nature of the printout

from the REPORT PRINT - HOLD.SET prompt in the main menu. The following report types available in this instrument are:

• REP-01 Hourly Logs Report

• REP-02 Daily Logs Report

• REP-03 Weekly Logs Report

• REP-04 Monthly Logs Report

• REP-05 Yearly Logs Report

• REP-06 Previous Day’s 24 Hour Report (0Hr – 23Hr, minimum

48 hourly logs required)

PRN TYPE

Press or to select Report Type. The Printer Protocol Printer Type allows the nature of the printer being

used to be specified. The following printer types available in this instrument are:

• PRN-01 Generic computer printer

• PRN-02 Generic roll printer (prints first line first)

• PRN-03 Slip printer TM295

• PRN-04 Label (roll) printer - Citizen CMP30L

Press or to select Printer Type.

515 DG01 - 18 June 2017 45

Instrument Calibration

General Setup Parameters

SET

 UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END

DEFAULT VAR

SUPPLY VOLT

T-OUT MODE

If the display timeout is enabled, the instrument displays the default Variable when there is no user action for the period of the display timeout period.

Press or to select the default variable display. The instrument provides a power-limited supply for external transducers.

Press or to set the transducer supply voltage between 8 and 24 volts DC as required.

If the Display Timeout mode is enabled, and there is no user activity for the defined timeout period, the display panel returns to the default display.

This function is useful for the following reasons:

• to return the display to a preferred variable after the user has finished

reading other information,

• to cancel the calibration mode and return to the default display if the

user does not exit from the calibration mode for any reason.

T-OUT SEC

DISPL TAGS

Press or to select the display timeout function as follows:

• DISABLE - Timeout is completely disabled.

• EN DISP - Timeout is enabled during Normal mode and Calibration

View mode.

• EN EDIT - Timeout is enabled during Calibration Set mode.

• EN ALL - Timeout is enabled for all modes.

The Display Timeout period defines the delay for the Display Timeout mode if it is enabled.

The display timeout period can be from 10 to 99 seconds. The Display Tags option determines whether the instrument displays the

default display tags or the user-defined tags. The display tag setting also defines whether the instrument displays the default error and warning messages, or the user-defined messages.

Note: The user-defined tags can be entered into the instrument only by

the manufacturer or the distributor.

Press or to select the Display Tags option as follows:

• DEFAULT - the instrument displays the default (English) tags

• USER - the instrument displays the user-defined tags.

46 515 DG01 - 18 June 2017

Instrument Calibration

SET

 

BACK-L T-OUT

DOCKET RESET

Test Menu

UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END

If the backlight timeout is enabled, and there is no user activity (any keys pressed) for a period of 10 seconds, the display backlight switches off to save power. The backlight switches on when a key is pressed. Select the backlight timeout mode as required.

Press or to select ENABLE or DISABLE. The Docket Reset function resets the numbering of printed dockets.

Press or to select YES, then press the key. The instrument

SET

makes three beeps to confirm the reset command.

The Test menu enables you to view the inputs and outputs to and from the instrument.

In Calibration Set mode, (by entering the system password) you can control the outputs and the alarms as described in the table below.

SET

 UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END

PINP1 uS

AINPn units

LINPn STATE

OUTn STATE

ALRMn STATE

or

REL-n

The period of the pulse input to PINP1 is displayed in microseconds. The units are displayed according to the calibration setup for the analog

input. If unused or set to Default the input is 4-20mA and displayed in mA.

You can view the state of the logic inputs. If the input is an open contact or inactive it will display HI. If the input is a closed contact or active it will display LO.

You can control the state of the outputs. Press the or keys to set the output state as follows:

• PROCESS - the output depends on the current values of the inputs

and the calculations that the instrument performs (normal operation).

• HI - the output is set to 20 mA.

• LO - the output is set to 4 mA.

You can control the state of the relays (alarms). Press the or keys to set the selected relay as follows:

• PROCESS - the relay operates according to the current values of the

inputs and the relay settings as programmed (normal operation).

• OPEN - the relay output contacts are set to “open”.

• CLOSED - the relay output contacts are set to “closed”.

515 DG01 - 18 June 2017 47

Instrument Calibration

SET

 

SUPPLY V

You can display the actual DC output supply voltage, which may help with troubleshooting.

If the actual supply voltage is lower than the preset value (refer to

General Setup Parameters on page 46) it may indicate that the output is

overloaded.

System Messages

The instrument displays messages for defined events and fault conditions.

The manufacturer or distributor can enter user-defined text for the messages. This user-defined text is displayed, instead of the default (English) messages, when the Display Tags option in the Setup menu is set to USER.

Error Messages

UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END

Failure of Analog Input Sensor

If there is a failure of an analog input sensor for a process parameter such as temperature or pressure, the instrument displays the relevant error message and can be programmed to set the value of that parameter to either 0 or the boundary limit. The input sensor and connections need to be inspected and may require replacement. The instrument also sets the results of calculations that depend on the failed input(s) to 0 when the input value defaults to 0.

Default Value on Exception

If Default Value On Exception has been enabled in the INPUTS section of calibration, the default value will automatically be used so that all calculations can continue. The error message will still continue to scroll across the display until the fault is corrected at which point the calculations will revert to using the live input.

Override Error Condition

While a fault is being rectified on an analog input for a process parameter, an operator with calibration access can set the Analog Input Signal Type to DEFAULT and the Analog Input Default Point to a typical process value. If there are no other faults, the instrument continues to operate by using the default value.

48 515 DG01 - 18 June 2017

Instrument Calibration

The system displays error messages as described in the following table:

Error Messages Description

CPU Card Failure There are failed components on the CPU card and technical support

is required.

Power Supply is Low The input and/or output power supply voltage is too low, ensure that:

(a) input power supply voltage is within the specified range (b) output power supply is not overloaded.

New/Failed Battery Set Time

The real-time clock has lost the correct time because the battery has failed, or there is a new battery. Set the current time and date (in the TM/LOG menu) to clear the error message and to continue data logging at the correct times.

Note: The instrument can continue operating with a failed battery,

but the correct time will be lost if there are interruptions to the power supply.

Temperature Sensor Failure

The temperature sensor (analog input 1) has failed. To deactivate the error, the Analog Input Signal Type can be set to DEFAULT to use a programmed default value instead of the sensor signal.

Pressure Sensor Failure

The pressure sensor (analog input 2) has failed. To deactivate the error, the Analog Input Signal Type can be set to DEFAULT to use a programmed default value instead of the sensor signal.

User Sensor Failure The user sensor (analog input 3) has failed. To deactivate the error,

the Analog Input Signal Type can be set to DEFAULT to use a programmed default value instead of the sensor signal.

Temp/Pressure is Out of Range

The temperature and/or pressure inputs are outside of the allowed calculation range.

Invalid Reference Parameter

The reference parameter is outside of the allowed range. The reference temperature and pressure (specified in the Parameters menu) should be programmed within the defined calculation limits for the chosen fluid.

Invalid Gas Property The gas property is outside of the allowed range.

515 DG01 - 18 June 2017 49

Instrument Calibration

Warning Messages

The system displays warning messages as described in the following table:

Warning Messages Description

Value Has Been Set to Default

Over Total Limit Maximum Set

Already Assigned to Other Port

You have entered an invalid value for a parameter. Therefore, the instrument has set the default value.

You have exceeded the maximum number of logging entries for the combined time bases. The instrument has set the current log setting to the remaining maximum number.

You have tried to assign a particular protocol type to more than one serial communication port. The instrument has set the protocol to NONE.

50 515 DG01 - 18 June 2017

Chapter 6 Communications

Overview

This chapter describes the communications between the instrument and another communicating device such as a computer or a printer. You should have relevant information about the devices to which the instrument will be connected. Some connection examples are included in this manual, however, the operation and connection of other devices is outside the scope of this manual.

Hardware Interconnection

The instrument has two communication ports:

• RS-232 port on the rear panel (DB9 female connector)

• RS-485 port on the rear panel (optional)

The appropriate interface and protocols are selected during calibration.

RS-232 Port

The RS-232 port provides communication between the instrument and one other device such as a host computer or a printer.

Note: A printer must have a serial port to be able to be directly connected

to the flow computer. It is not possible to communicate directly with a printer via a parallel port.

Computers use either a DB9 or a DB25 connector, and the connections to each type are shown in Figure 15.

515 DG01 - 18 June 2017

51

Communications

Instrument

TxD RxD

GND

CTS RTS

2 3 5 7 8

DB9

Common

Optional

Computer/Printer

2 3 5 7 8

DB9

RxD TxD

GND

RTS CTS

3 2 7 4 5

DB25

Figure 15 RS-232 Cable Connections to a Computer

Note: The instrument requires a cable with straight-through connections.

Do not use a null modem cable for RS-232 connection to a computer.

RS-485 Port

The RS-485 port enables communication with multiple devices. Each device has a unique address so that the “master” device can communicate with specific “slave” devices.

On RS-485 links, an external terminating resistor must be connected at the furthest end of the cable. When multiple instruments are connected, they should be “daisy chained” in a multidrop configuration as shown in Figure

16. Up to 32 units can be connected to the interface at a maximum distance of 1200 metres.

Host

Computer

Comms

Gnd

+

-

Gnd Gnd

-+-

+

19 20 21

Instrument Instrument

Twisted Pair

Load 120 ohms

19 20 21

Figure 16 RS-485 Connections

52 515 DG01 - 18 June 2017

Protocols

Communications

Infra-red Port

The infra-red port is located on the front panel of the instrument. The infrared port uses the Infra-red Developers Association (IrDA) physical layer format of signal encoding and decoding.

The nature of the infra-red port requires the communicating device to be located close to the front of the instrument. Therefore, its main use would probably be for reloading the instrument application software, or occasional collection of data, rather than continuous communications.

The communications protocols can be assigned to the communication ports on the instrument as follows:

• ASCII - Simple ASCII available for all ports

• RTU - Modbus RTU available for all ports

• PRN - Printer Protocol available for RS232 and RS485

• NONE - If a port is not being used, set the protocol to NONE.

Note: The Printer Protocol is only available if the option with Real Time

Clock is installed. Also a protocol cannot be assigned to more than one port at a time as described in Communications on page 41.

• ASCII - In this ASCII protocol each command and response is a string

of ASCII characters. This proprietary protocol is developed by Contrec to allow for simple information interchange. The main advantages of this mode are that it allows extended time intervals to occur between characters without causing a timeout error and that messages can be sent and monitored easily with a simple ASCII terminal.

• Modbus RTU - Modbus RTU is an industry-standard protocol which

allows the instrument to be easily connected to computers running supervisory software systems. The main advantage of this mode is that its greater character density allows better data throughput than ASCII mode, however each message must be transmitted in a continuous stream.

• Printer - In the Printer protocol there is a selection of printer types.

Please refer to the Printer Protocol on page 64 for full details.

515 DG01 - 18 June 2017 53

Communications

Simple ASCII Protocol

This simple ASCII protocol requires that all requests are initiated with a colon ( : ) and terminated with a carriage return ( termination can include a linefeed before the carriage-return ( is the carriage-return that acts as the message termination.

All responses by the instrument are terminated with a linefeed and a carriage-return (

Requests Format

The format of a request to the instrument is as follows:

Address Log CommandLog

Each request must include the address and command portions. The underlined section is an optional part of the request string.

Address

:A001

LFC

).

R

:LR001:XXX?

type number

LFCR

Linefeed

Carriage-return

C

). The message

R

LFCR

), but it

In multipoint communications, each instrument must have a unique address and it is essential in the request for identifying a particular instrument. However, it may be set to 000, for special broadcast commands.

For single-instrument communications, the address can also be set to 000 in the request.

Refer to Communications on page 41 for setting the instrument address. Note: The instrument always responds with its address in the header

regardless of the type of request.

Log Type and Number

The log type and number enables a communicating device to retrieve data from the instrument. The data can be from timebased and/or event-based logs. Data can also be from the current process variables.

The log request is optional. If the log request is not included, or the log number is set to 000, the instrument returns the current process variables. If the log request is included, the log number defines the specific log entry by counting backwards. The most recent log entry for a timebase is 001.

54 515 DG01 - 18 June 2017

Communications

The “last edit” log records the process variables at the time of the last exit from the calibration edit mode. There is only one “last edit” log, therefore, if a number is included in the request, the instrument ignores the number and returns the data at the time of the last edit.

The types of logs applicable to this instrument are as follows:

Log Type

LH - hourly log LD - daily log LW - weekly log LM - monthly log LY - yearly log LE - last edit log

The number of the log entry is the same as shown on the front panel of the instrument. For example, a request for LH003 would return the data for the log entry two hours prior to the most recent hourly log entry. If the current time is between 9:00 am and 10:00 am, the most recent hourly log LH001 was recorded at 9:00. Therefore, LH002 is for 8:00 and LH003 is for 7:00. After 10:00 am in this example, LH003 becomes the 8:00 log.

Instrument Responses

The instrument response time to any enquiry is not more than 300 ms. The responses from the instrument are in the following format:

HEADER DATA DATA . . . DATA

LFC

The components of the response message are as follows:

Header

The format of the response header from the instrument is as follows:

LFCR

LFC

R

LFCR

LFC

R

A001 YYYY/MM/DD HH:MM:SS 00

Address Time Date

(24-hour clock)

spacespace

515 DG01 - 18 June 2017 55

Exception Status

space

Communications

The instrument Exception Status codes that the instrument returns for the ASCII protocol are the same as those described for the Modbus RTU protocol in Instrument Exception Status on page 62.

Data

The format of the data variables from the instrument is as follows:

89123.456 MWh ENERGY

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 22 23 24 25 26 27

Value (aligned right)

Unit (aligned left)

space

Item (aligned left)

space

Note: The decimal point in the Value is always at character position 8.

Therefore whole numbers are aligned right at the decimal point, with trailing zeroes.

Variables Request

The variables request asks the instrument to return the value of one or more requested variables.

Command Description

:RVA? Return all variables :RV0? …

:RV9?

Return the specific variable. The numbers relate to the position in the variables menu. For example, V0 is Energy, V1 is Power and so on.

Variables Request and Response Example

The following request is for the only instrument that is connected to the communication port to return the values of all main menu variables.

:A001:RVA?

LFC

R

The following is an example of a hypothetical instrument response. Refer to on page 25 for the list of variables that would be returned for this application.

L

LFC

C

F

R

A001 2002/03/14 18:25:00 00

6.116 MWh ENERGY

16.573 MW POWER

1320.530 m3 VOLUME

58.300 m3/M V-FLOW

7627.117 KG MASS

344.460 KG/M M-FLOW

56 515 DG01 - 18 June 2017

Communications

LFC

R

LFC

230.000 DEG C TEMP

1.260 MPA PRESS

0.174 m3/KG SP-VOL

2886.760 KJ/KG SP-ENT

R

Log Request

The log request asks the instrument how many logs it stores in the particular timebase. These are the values described in Time Settings and Data

Logging on page 43.

Command Description

:RLH? Return the number of hourly logs :RLD? Return the number of daily logs :RLW? Return the number of weekly logs :RLM? Return the number of monthly logs :RLY? Return the number of yearly logs :RLR? Return the number of log records (non- timebased logging)

Log Response Example

The following message asks the instrument with address 001 to return the number of logs that the instrument stores:

:A001:RLR?

LFC

R

The instrument response would be similar to the following:

A001 2002/03/14 18:25:00 00

LFC

24

LFC

R

LFC

R

Clear Data Request

The clear data request asks the instrument to clear the data in the selected registers.

Command Description

:RCL? Clear the logs except for the “last edited” log

515 DG01 - 18 June 2017 57

Communications

Clear Data Request Example

The following message asks the instrument with address 001 to clear the logged data that the instrument stores:

:A001:RCL?

LFC

R

The instrument response would be similar to the following:

A001 2002/03/14 18:25:00 00

LFC

R

LFC

R

Instrument Information Request

The Instrument Information request asks the instrument to return the general information about the model and version codes. The instrument exception status is returned as a part of the header as it is with the header for all command responses.

Command Description

:RIG? Return the general information about the instrument such as

Model number, Application number, Version and Serial numbers etc. These items are returned as a block in the same format as shown on the display in the “Model Info” menu.

Instrument Information Response Example

The following message asks the instrument with address 001 to return the general information about the instrument:

:A001:RIG?

The following is an example of a hypothetical instrument response:

A001 2002/03/14 18:25:00 00 515 MODEL -11-FSC01 INPUT F-TP-SC01 VERS 0101.001 CUSTOM VERS 000001 UNIT S/N 123456

LFC

R

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29

Corrupted or Invalid Requests

If the instrument receives a corrupted or incomplete request, there is no response. The instrument discards any partial request and waits for the next enquiry.

LFC

R

LFC

R

LFC

R

LFC

R

LFC

R

LFC

R

LFC

R

58 515 DG01 - 18 June 2017

If the instrument receives a request message in the correct format, but for a non-existent option, it returns only the message header. For example, if the instrument received the following request variables message :A001:RVT? it will return only the header because there is no T option for the ‘Variables Request’ message.

Modbus RTU Protocol

Modbus RTU (remote terminal unit) is an industry standard protocol that allows the instrument to be easily interfaced to other communication devices.

The instrument implements the Modbus protocol as detailed in the Modicon Modbus Protocol Reference Guide PI-MBUS-300 Rev J (June 1996).

Message Format

Communications

In RTU mode, messages start with a silent interval of at least 3.5 character times. The first field transmitted is the device address. Following the last transmitted character, a similar interval of at least 3.5 character times marks the end of the message. A new message can begin after this interval. The entire message frame must be transmitted as a continuous stream. A typical message frame is shown below:

Address Function Data CRC Check

1 byte 1 byte n bytes 2 bytes

Except for broadcast messages, when a master device sends a query to a slave device, it expects a normal response. One of four possible events can occur from the master’s query:

• If the slave device receives the query without a communication error, and

can handle the query normally, it returns a normal response.

• If the slave does not receive the query due to a communication error, no

response is returned. The master program has to process a timeout condition for the query.

• If the slave receives the query, but detects a communications error (parity

or CRC), no response is returned. The master program has to process a timeout condition for the query.

• If the slave receives the query without a communication error, but cannot

handle it (for example, if the request is to read a nonexistent register), the slave will return an exception response informing the master of the nature of the error.

515 DG01 - 18 June 2017 59

Communications

Instrument Address

The address of the instrument is programmable in the range from 1 to 247. Some addresses are reserved according to PI-MBUS-300 and have a special meaning:

• 0 = Broadcast, no response required from slave devices

• 248 to 255 Reserved

Function Codes

The instrument accepts the following function codes:

Code Name Description

03 Read data register(s) Obtain the content of one or more 2-byte

data registers. 06 Preset data register Preset one 2-byte data register. 07 Read status register Obtain the content of 1-byte status register. 16 Preset data register(s) Preset one or more 2-byte data registers.

Exception Response

The instrument forms an exception response by adding 80H to the function code and using an exception code as the 1-byte data field in the returned frame. Implemented exception codes are as follows:

Code Name Description

01 Illegal function The function code is not a legal action for

the slave. 02 Illegal data address The data address is not a legal address for

the slave. 03 Illegal data value The data value is not a legal value for the

slave. 05 Acknowledge The slave has accepted the request and is

processing it, but a long duration of time

will be required to do so. 06 Slave device busy The slave is engaged in processing a long

duration program command. The master

should re-transmit the message later when

the slave is free.

60 515 DG01 - 18 June 2017

List of Data Registers

The following list describes the addresses and meaning of the data registers in the instrument. The data values are expressed in the engineering units that were selected for the variables when the instrument settings were configured. The “Data Type” for the 2-register (4-byte) data values can be set in programming mode as Floating Point or Long Integer as described in

Communications on page 41.

The registers are grouped in blocks that relate to a particular function of the instrument.

Note: Conventional numbering of registers often starts from 1, therefore be

aware that “register 1” in this case has “address 0” and so on.

Current and Logged Process Data

This block of registers is available for the retrieval of current or logged process data with its matching time and date information.

Communications

Use the log type and log number to retrieve the logged information from the appropriate register. If a particular log number does not exist, or the instrument does not have the optional real-time clock, the time and date stamp and associated variables are set to zero.

Register Name Comments Read Only or

Read/Write

1 Density (Line) 3 Period RDT 5 Density (Ref) R DT 7 Temperature R DT 9 Pressure R DT 11 Specific Gravity R DT 13 Z-Factor (Line) R DT 15 Z-Factor (Ref) R DT 17 Molecular Weight R DT 19 Critical Temperature R DT 21 Critical Pressure R DT 23 User Input R DT 25 User Output A R DT 27 User Output B R DT 29 Reserved R DT 31 Year 32 Month R/W I 33 Date R/W I 34 Hour R/W I 35 Minute R/W I 36 Second R I

Only current Date/Time can be edited

Process Variables

Current Date/Time or

Logged Date/Time Stamp

(see register 38 Log Number).

RDT

R/W I

Type

*

†

515 DG01 - 18 June 2017 61

Communications

Register Name Comments Read Only or

Read/Write

37 Log Type 00 - hourly or log records

01 - daily 02 - weekly 03 - monthly 04 - yearly 05 - last edit of calibration

38 Log Number If set to 0, current variables and Date/Time are

retrieved 39 Clear Data 01 - clear logs W I 40 Reserved

R/W I

Type

* DT = Data Type of 2-register (4 byte) values can be set as Floating Point or Long Integer values † I = Integer (2 bytes) (Holding Registers)

Note: The Floating Point variable is represented in IEEE-754 Floating Point

4-byte format and requires two 2-byte data registers:

IEEE-754 Modicon Registers

1st byte low byte (register X) 2nd byte high byte (register X) 3rd byte low byte (register X+1) 4th byte high byte (register X+1)

This means that two data registers must be read or written to obtain, or preset, one data value.

Instrument Exception Status

This register is available to verify the status of the instrument.

Register Name Comments Read Only or

Read/Write

41 Exception

Status

00 = no error 01 = analog input 1 failure 02 = analog input 2 failure 03 = analog input 3 failure 04 = analog input 4 failure 05 = invalid calibration parameter 06 = invalid reference parameter 07 = invalid property 08 to 09 reserved 10 = process parameters out of range 11 = input is over limit 12 = flow error detected 20 = system failure 21 = power supply is low 22 = new or failed clock battery 23 to 29 reserved 30 = alarm 1 active 31 = alarm 2 active 32 = alarm 3 active 33 = alarm 4 active

RI

Type

*

* I = Integer (2 bytes) (Holding Registers)

62 515 DG01 - 18 June 2017

Communications

Instrument Control and I/O

This block of registers is available in some applications to give access to monitor and/or control some of the instrument.

Register Name Comments Read Only or

Read/Write

42 Reserved 43 Logic Inputs 0 to 15 Binary representation of logic inputs

B0 = 0/1 (LSB) input 1 activated/deactivated B1 = 0/1 input 2 activated/deactivated B2 = 0/1 input 3 activated/deactivated B3 = 0/1 input 4 activated/deactivated

44 Operation Mode Representation of operation mode

0 = Idle/Local Idle state

45 Relay State 0 to 15 Binary representation of relay state.

0 = open; 1 = closed. B0 = relay 1 (LSB)

B1 = relay 2 B2 = relay 3 B3 = relay 4

46 Relay Control 0 to 15 Binary representation of relay control.

0 = open; 1 = close. B0 = relay 1 (LSB)

B1 = relay 2 B2 = relay 3 B3 = relay 4

47 Relay Control

Source

0 to 15 Binary representation of relay control source. 0 = Local (controlled by instrument operation) 1 = RTU (controlled by Modbus register 46).

RI

R/W I

Type

*

B0 = relay 1 (LSB) B1 = relay 2 B2 = relay 3

B3 = relay 4 48 Reserved R L 51 to 99 Reserved 101 Analog Inp.1 Raw analog input data. 103 Analog Inp.2 R DT 105 Analog Inp.3 R DT 107 Analog Inp.4 R DT

4-20mA inputs are read in Amperes.

0-5V or 1-5V inputs are read in Volts

RTD inputs are read in degrees Kelvin.

Unused inputs are configured as 4-20mA.

RDT

* I = Integer (2 bytes) (Holding Registers) † L = Long Integer (2 register = 4 bytes) ‡ DT = Data Type of 2-register (4 byte) values can be set as Floating Point or Long Integer values

†

‡

515 DG01 - 18 June 2017 63

Communications

Printer Protocol

A printer protocol is available in the 500 Series. It provides the ability to print out live data, individual logged data and to do some report-style printing of logged data. The method of printing these and the format of the printouts is described below.

Note: Printer output is only available if the Real Time Clock option is fitted. The selection of Printer Protocol can be made for the Communications

Protocol options for the RS232 or RS485 port. A list of log report types and printer types available at the end of the TM-LOG calibration menu.

Report Types

The list of report types is as follows:

• REP-01 Hourly Logs Report

• REP-02 Daily Logs Report

• REP-03 Weekly Logs Report

• REP-04 Monthly Logs Report

• REP-05 Yearly Logs Report

• REP-06 Previous Day Hourly Logs (0Hr – 23Hr, minimum 48

hourly logs required)

The number of logs printed in each report is determined by the values programmed in the TM-LOG menu.

Printer Types

The list of available printers is as follows:

• PRN-01 Generic computer printer

• PRN-02 Generic roll printer (printing first line first)

• PRN-03 Slip Printer TM295

• PRN-04 Label (roll) printer - Citizen CMP30L

Customizing a Printout

A customized printout can be provided which can have up to 4 header lines and 3 footer lines. It is also possible to include or exclude each main menu items on the printout. If any customizing of the printout is required discuss this with the distributor.

64 515 DG01 - 18 June 2017

Types of Printouts

Live Data

The key, when in main menu, is shared as the PRINT key if the printer protocol has been selected. A printout will be initiated whenever this key is pressed. If printing is not required, do not select printer protocol.

The format of this printout will be:

Custom Header Line 1 Custom Header Line 2 Custom Header Line 3 Custom Header Line 4

Current Docket No. Instrument Serial No. & Tag

Communications

Current Date & Time & Status Variable unit value Variable unit value etc.

Custom Footer Line 1 Custom Footer Line 2 Custom Footer Line 3

------------------------------------------- <separation line>

(Note that blank header and footer lines are not printed).

Docket Number

The docket number that appears on the live data printout indicates the print number. The DOCKET RESET parameter allows this number to be cleared if required.

DOCKET No. 000256

Instrument Serial Number and Unit Tag

The instrument serial number and unit tag is the same as the information shown in the Model Info menu. For more details refer to Model

Information on page 25.

515 DG01 - 18 June 2017 65

Communications

Individual Log Data

When in the Log Menu and while holding the DISPLAY key to view the data of the log of interest the key can be pressed to initiate a printout of that log entry. The printout will have the time and date stamp corresponding to when the log was taken. After the print has been initiated there will be the opportunity to scroll to view another log entry and print again.

The format of the printout is the same as the LIVE DATA printout:

Custom Header Lines

Instrument Serial No. & Tag

Log Date & Time & Status Variable unit value Variable unit value etc.

Custom Footer Lines

-------------------------------------------- <separation line>

Log Report Printing

As there is the likelihood that the reports can be of a considerable length it is strongly recommended that only the 80 Column printer with Z fold (tractor feed) paper be used. This is just as much for the memory storage of printer as it is for the reliable paper supply.

There is a HOLD.SET REPORT PRINT prompt under the main menu with the ability to print the pre-selected type of report. Pressing and holding the SET key for two seconds will initiate the printout. Any of the Log Reports will have the following format:

Custom Header Lines Title of Report <internally set, indicates report type> Current Date & Time

Instrument Serial No. & Tag

-------------------------------------------- <separation line> Log No. Date & Time & Status Variable unit value Variable unit value etc.

66 515 DG01 - 18 June 2017

Communications

-------------------------------------------- <separation line> Log No. Date & Time & Status Variable unit value Variable unit value etc.

-------------------------------------------- <separation line> Log No. Date & Time & Status Variable unit value Variable unit value

ETC Custom Footer Lines

-------------------------------------------- <separation line>

Reports will print in the historical order, and for those logs that have no data (e.g. unit was powered off at the time) the print will show “Data not available”. i.e.

Log No. Date & Time & Status Variable unit value Variable unit value etc.

-------------------------------------------- <separation line> Log No. Data Not Available

-------------------------------------------- <separation line> Log No. Date & Time & Status Variable unit value Variable unit value etc.

If the unit is programmed for 0 logs for a particular time base then the report for that time base will only consist of the header and ID information and a “Data Not Available” message. Likewise for the 0Hr to 23Hr report to print the complete report there must be a minimum of 48 hourly logs programmed otherwise “Data Not Available” will be printed for the missing logs.

Custom Header Lines Title of Report Current Date & Time

Instrument Serial No. & Tag Data Not Available Custom Footer Lines

-------------------------------------------- <separation line>

515 DG01 - 18 June 2017 67

Communications

Printer Data Control

Some printers have limited data buffers and are therefore unable to collect all the print data being transmitted. The 500 Series has the capability of software handshaking. The Xon/Xoff characters can be used by any of the printer types to control the flow of data to ensure that data is not lost.

Some printers will also transmit an Xoff character in response to other events such as printer being off-line, print head not engaged or power being removed. The specific behaviour of the printer being used should be noted.

Error Messages

There are two printer error messages that can be displayed.

PAPER OUT

This message is related to the Printer Type PRN-03 TM295 Slip printer. It is standard procedure with this printer to check for paper status before printing. If a print is attempted but there is no paper the PAPER OUT message will be scrolled. The instrument will continue to poll the printer for paper and if paper is detected before a communications timeout expires the print will commence.

COMMS TIMEOUT

This message is relevant for all printer types and will be activated for the following conditions.

1. If the flow of data is stopped due to software or hardware handshaking and is not allowed to resume before the communications timeout.

2. If Printer Type is PRN-03 Slip printer and a paper status is requested but no response is received within the timeout period.

3. Paper Out has been detected for Printer Type PRN-03 but no paper is inserted within the timeout period.

When a communications timeout error has been activated the message COMMS TIMEOUT will be scrolled once, the request to print will be cleared and the instrument will return to its normal mode.

68 515 DG01 - 18 June 2017

Appendix A

Glossary

ASCII American Standard Code for Information Interchange. For the ASCII

protocol, the instrument receives and transmits messages in ASCII, with all command strings to the instrument terminated by a carriage return. Replies from the instrument are terminated with a line-feed and a carriage-return.

Absolute

Pressure

Atmospheric

& Gauge

Pressure

IrDA The Infra-red Developers Association is a group of computer and software

Modbus RTU The Modbus protocol is a message structure for communications between

Absolute Pressure = Atmospheric Pressure + Gauge Pressure. It is the combined local atmospheric pressure and the gauge pressure. All

calculations are based on absolute values for pressure. Some sensors can directly measure the absolute pressure value while others measure gauge pressure. Pressure can be displayed as absolute or gauge and is indicated with an ‘A’ or ‘G’ appended to the pressure units of measure.

Some sensors only measure gauge pressure, in this case the atmospheric pressure must be programmed to determine the absolute value. The atmospheric value is affected by the altitude of the installation. The atmospheric pressure default is 101.325 kPa (14.696 psia) which is the standard value at sea level.

manufactures who have agreed on a format for communication among infrared devices.

controllers and devices regardless of the type of network. In RTU (remote terminal unit) mode, each 8-bit byte in a message contains two 4-bit hexadecimal characters. This mode has greater character density than ASCII and allows better data throughput than ASCII for the same baud rate.

Molar Mass Molar mass is the molecular weight, which is the mass of one mole of the

substance.

Normal

Conditions

Normal conditions are defined as:

• 0°C (273.15 K) and 101.325 kPa

• 32°F (491.67°R) and 14.696 psia.

A flow rate at normal conditions is indicated with an ‘N’ in the front of the corrected volume units of measure. Compare with Standard conditions.

515 DG01 - 18 June 2017

69

Normalised

Input

A normalised input ranges from 0 to 1.000. For 4-20 mA input, the signal is set to 0 at 4 mA and the signal is set to 1.000 at 20 mA.

Passive Output

Signal

RTD Resistance Temperature Device

Specific Gravity

Standard

Conditions

Universal Gas

Constant (R)

Requires an external power supply.

Specific Gravity is the ratio of the molar mass of a gas to the molar mass of air.

Standard condition are defined as:

• 15°C (288.15 K) and 101.325 kPa, or

• 59°F (518.67°R) and 14.696 psia.

The Universal Gas Constant is used in the calculation of density at flowing conditions. (8.314510 J/(mol*K)

70 515 DG01 - 18 June 2017

Appendix B

Model Numbers

Product Codes

Model Supplementary Code Description

515 . - DG01

1 2

Enclosure

Output Options

Relay Type

Power Supply

Display Panel Options S

PCB Protection

Application Pack Number DG01

For example: Model No. 515.111USC Displayed on the 500 Series as:

Note: The first character represents the CPU installed (factory use only). The remaining 6 characters only represent hardware that affects the operation.

3/5

4/6

0

1

2/3

1 2 3

U D

C

N

Panel mount enclosure Field mount enclosure (NEMA 4X / IP66) Explosion proof Ex d (IECEx/ATEX), metric glands

(5 specifies heater) Explosion proof Ex d (CSA), NPT glands

(6 specifies heater) 4 logic inputs, 1 isolated output, 2 relays (only relay type 1 is

available), RS232 (DB9) communication port 4 logic inputs, 2 isolated outputs, 4 relays, real-time clock data

logging, RS232 (DB9) and RS485 communication ports 4 logic inputs, 2 isolated outputs, 4 relays, real-time clock data

logging, RS232 (DB9) and Ethernet/RF communication ports (not yet available)

Electromechanical relays only 2 electromechanical and 2 solid state relays Solid state relays only (not yet available) Inputs for 12-28VDC and 100-240 VAC, 50-60Hz

(Previous Models: A = 110/120 VAC, E = 220/240 VAC)

Input for 12-28VDC power only Standard option (now with backlight & LCD backup)

(original Full option: F, with Infra-Red comms, no longer available)

Conformal coating - required for maximum environmental operating range. Recommended to avoid damage from moisture and corrosion.

None - suitable for IEC standard 654-1 Climatic Conditions up to Class B2 (Heated and/or cooled enclosed locations)

Defines the application software to be loaded into the instrument

2-1--S-

515 MODEL

Note: Example full product part number is 515.111USC-DG01 (This is the number used for

placing orders).

515 01 - 18 June 2017

71

Custom Version Codes

Code Description

00 Factory Default Application 01 Contrec Systems Pty. Ltd. Melbourne Australia 02 Contrec Limited. West Yorkshire UK

Origin Code Identifies

Distributor

User Language

Distributor’s Code

03 04 Contrec - USA, LLC. Pelham AL 35124 USA 05 Flowquip Ltd. Halifax UK 06 etc.

0 English (Default) 1 German 2 Dutch 3 French 4 Spanish 5 etc.

000

Distributor’s own choice. Possibly a code that identifies the

…

customer and the application.

999

For example: 02 3 157 Displayed on the 500 Series as:

023157

CUSTOM VERS

Application Information Code

The Application Information code is an aid for users and service personnel to determine the type of inputs that are used in a particular application. The Application Information code is displayed on the instrument as shown below.

Assignment type

F-tP--

SC01 INPUT

Application number

72 515 01 - 18 June 2017

The Application number identifies the application as in the following examples:

• SC01 - steam flow computer for frequency flow meter

• GN02 - natural gas flow computer for analog flow meter

The Input Assignment type indicates the physical input that is assigned to each input on the instrument. The code is made up from six characters as follows:

FINP1 FINP2 AINP1 AINP2 AINP3 AINP4

XXXXXX

The codes are as follows:

• - - not used in this application

• A - indicates a generic analog input such as level

• d - indicates a density input

• F - indicates a generic flow input such as for volume or mass, (frequency or analog)

• H - indicates a high flow input for stacked inputs

• L - indicates a low flow input for stacked inputs

• P - indicates a pressure input

• q - indicates a quadrature input

• t - indicates a temperature input.

For example, input, AINP1 assigned to a temperature input and AINP2 assigned as a pressure input. The other inputs are not used.

F-tP-- is an instrument with FINP1 (frequency input 1) assigned to a flow

515 01 - 18 June 2017 73

Appendix C

Units of Measurement

Available Units of Measurement

The following is a list of the available units of measurement used across the range of 500 Series applications.

Units Type Available units of measurement

Volume m3, Km3, Ltr, mL,Gal, KGal, MGal, ft3, kft3, Mft3, bbl Volume Flowrate m3/s, m3/min, m3/h, m3/D, L/s, L/min, L/h, L/day, mL/s, mL/min, mL/hr, Gal/s, Gal/min, Gal/h,

KGal/D, MGal/D, ft

3

Volume K-Factor P/m Mass kg, g, Ton, lb, Klb Mass Flowrate kg/s, kg/min, kg/h, g/s, g/min, g/h, Ton/min, Ton/h, Ton/D, lb/s, lb/min, lb/h, Klb/min, Klb/h,

Mass K-Factor P/kg, P/g, P/Ton, P/lb, P/Klb Energy kJ, MJ, GJ, kWh, MWh, kBTU, Ton.h, therm, cal, kcal, Mcal Power kJ/h, MJ/h, GJ/h, kW, MW, kBT/M, kBT/h, Ton, therm/min, therm/h, kcal/h, Mcal/h Energy K-Factor P/kJ, P/kWh, P/kBTU, P/Ton.h, P/therm, P/kcal Temperature Deg K, Deg C, Deg F, Deg R Pressure Pa, kg/m Density kg/m3, kg/Ltr, lb/ft3, SG60F Specific Volume m3/kg, L/kg, ft3/lb Specific Enthalpy kJ/kg, BT/lb, cal/g, cal/kg, kcal/kg, Mcal/kg Reynolds Number E+0, E+3, E+6 (scaling for unitless variable)

, P/Ltr, P/mL, P/Gal, P/ft3, P/bbl

Klb/D

2

, kg/cm2, kPa, MPa, mbar, bar, psi, Atm, inH2O, mmH2O

3

/s, ft3/min, ft3/h, Mft3/D, bbl/s, bbl/min, bbl/h, bbl/D

Length (Level) m, mm, cm, INCH, FOOT Velocity m/s, m/M, m/h, ft/s, ft/M, ft/h Length K-Factor P/m, P/cm, P/INCH, P/FOOT Area m2, ft Ratio % General Input Pressure, Temperature, Density, Length (Level), Factor

2

74 515 01 - 18 June 2017

Appendix D

Reference Tables

Properties of Selected Gases

Gas Specific

Gravity

SG °C °F kPa psia

Acetylene 0.8990 35.15 95.27 6114 886.76 0.189 Air 1.0000 -140.90 -221.62 3747 543.46 0.035 Ammonia 0.5880 132.25 270.05 11353 1646.61 0.257 Argon 1.3793 -122.29 -188.12 4898 710.39 -0.002 Butane 2.0054 151.97 305.55 3796 550.56 0.200 Carbon Dioxide 1.5196 30.97 87.75 7374 1069.51 0.225 Carbon Monoxide 0.9671 -140.30 -220.54 3494 506.76 0.045 Chlorine 2.4482 143.85 290.93 7700 1116.79 0.069 Ethane 1.0382 32.17 89.91 4872 706.62 0.099 Ethylene 0.9686 9.19 48.55 5041 731.14 0.087 Helium 0.1381 -267.96 -450.32 227 32.92 -0.390

Critical Temperature Critical Pressure Acentric

Factor



Hydrogen 0.0696 -240.17 -400.30 1293 187.53 -0.217 Hydrogen Chloride 1.1898 51.54 124.78 8310 1205.26 0.132 Hydrogen Sulphide 1.1767 100.25 212.45 8963 1299.97 0.090 Methane 0.5559 -82.59 -116.66 4599 667.03 0.011 Neon 0.6969 -228.75 -379.75 2760 400.30 -0.016 Nitrogen 0.9672 -146.95 -232.51 3398 492.84 0.037 Nitrous Oxide 1.5199 36.45 97.61 7255 1052.25 0.142 Oxygen 1.1048 -118.57 -181.42 5043 731.43 0.022 Propane 1.5226 96.68 206.02 4248 616.12 0.152

515 01 - 18 June 2017 75

76 515 01 - 18 June 2017

Index

Numerics

0-5V input

14

4-20mA

15

input output 17

A

address, instrument alarm

connection

18

equipment failure 40 hysteresis 41 relays 39

setpoint 40 alarms menu 40 analog input

connections

14

failure 48

scaling 4 application code 72 approvals 6

FCC Declaration 7 ASCII protocol 54

B

back panel

12

battery

49

failed

life 43

new 49 baud rate 42

C

calibration

30

menu

set mode 28

view mode 27 clock

battery

43

date format 44

real-time 43

54

codes

application information customer version 72 exception 62 product number 71

communication

connections

19

protocols 53

communications 5, 51

menu 41

connections

18

alarm communication 51 communications 19 electrical 12 input 13

output 17 customer version codes 72 customizing a printout 64

D

daily logging

44

data log

viewing

23

data logging

44

daily

hourly 44

monthly 45

weekly 44

yearly 45 date format 44 declaration FCC 7 default on exception 48 default variable 21 display

specifications

9

timeout mode 46

timeout time 46 DISPLAY key 21 display-only parameter 27

72

515 DG01 - 18 June 2017

77

E

earthing

20

electrical connections 12 equations of state 2, 3 equipment failure alarm 40 error condition, override 48 error messages 48 exception codes 62 Exception Status 56 exception, default 48

inputs menu 35 installation 11 instrument

address

54

request format 54 responses 55

settings 32 interconnections, communication 51 interference suppression 19 isolated outputs 5

F

failure of input

48

features 1 flash driver port assignment 43 format, date 44 frequency input connection 13 front panel

infra-red port

20

keys 21 LEDs 21

G

gas equation

Ideal Gas

2

Peng-Robinson 3 Redlich-Kwong 3

Soave-Redlich-Kwong 3 gas equations 2, 3 gas properties 75 glossary 69

H

hardware connections

51

hourly logging 44 hysteresis, alarm 41

I

infra-red port

20, 41, 53

input

14

0-5V

4-20mA 15

connections 13

analog 14

frequency 13 failure 48 RTD 15 sensor failure 48 types 6

K

key

DISPLAY

21

SET 23

keys, front panel 21

L

LEDs, status

21

logged data 23

viewing 23

logging

44

daily hourly 44 monthly 45 weekly 44 yearly 45

logic input connection 16

M

main menu items

22

menu

alarms

40

calibration 30 comms 41 inputs 35 outputs 39 params 33 setup 46 test 47 tm/log 43 units 32

messages

48

error system 48

warning 50 meter factor 23 Modbus data format 42 Modbus RTU protocol 59

78 515 DG01 - 18 June 2017

mode

display timeout

46

normal operation 21 set calibration 28

view calibration 27 model numbers 71 monthly logging 45 mounting 11

N

normal operation

21

number

model

71

serial 25

O

operation, normal

21

output

connections

17

4-20mA 17 outputs menu 39 override error condition 48

P

panel

21

LEDs mounting 11 rear 12

parameter

display-only

27

not visible 27 password-protected 27

programmable 27 parameters menu 33 parity bits 42 password-protected parameter 27 port

assignment, flash driver

43

flash driver assignment 43

infra-red 20, 41, 53

RS-232 19, 41, 51

RS-485 20, 41, 52 power supply interruption 43 printer

data control

68

error messages 68

protocol 64

report types 64 printer types 64

printouts

individual logs

66

live data 65 log report 66

types 65 product number codes 71 programmable parameters 27 properties of gases 75 protocol

ASCII

54

communication 53

Modbus RTU 59

printer 64

R

real-time clock

43

rear panel 12 relay outputs 5 relays, alarm 39 responses, instrument 55 RS-232 port 19, 41, 51 RS-485 port 20, 41, 52 RTD input 15 RTU protocol 59

S

scaling analog input

4

serial number 25 SET key 23 setpoint, alarm 40 settings

instrument

32

setup menu 46 shielding 20 snubber 19 specific gravity 75 specifications 9 standards 6 status LEDs 21 stop bits 42 suppression, interference 19 system

48

errors

messages 48

warnings 50

T

terminal designations

12

test menu 47

515 DG01 - 18 June 2017 79

timeout

46

mode time 46

tm/log menu 43

U

unit tag

25

units

32

menu

V

variable, default

21

version, customer 72 view data logs 23

W

warnings

50

weekly logging 44

Y

yearly logging

45

80 515 DG01 - 18 June 2017

Contrec 515 Operation Manual

Model 515 Flow Computer

Contents

Features

Overview

Calculations

Equation Sets

User Defined Function

Analog Input Scaling

Displayed Information

Main Menu Variables

Communications

Isolated Outputs

Relay Outputs

Software Configuration

Temperature and Pressure Input Types

Approvals

Specification Table

Panel Mounting

Electrical Connection

Rear Panel Connections

Terminal Designations

Inputs

Frequency (Pulse) Input Connection

Analog Input Connections

Logic Input Connection

Outputs

4-20 mA Output Connection

Control Relays (Alarms)

RC Network for Interference Suppression

Communications

RS-232 Port

Infra-red Port

RS-485 Port (Optional)

Earthing and Shielding

Normal Operation

Default Variable

Status LEDs

Front Panel Keys

Main Menu Items

Default Period

Data Logs

Model Information

Introduction

Calibration View Mode

Calibration Set Mode

Changing the Instrument Settings

Calibration Menu Tree

Instrument Settings

Units of Measurement

Parameters

Inputs

Outputs

Alarms

Communications

Time Settings and Data Logging

General Setup Parameters

Test Menu

System Messages

Error Messages

Warning Messages

Overview

Hardware Interconnection

Protocols

Simple ASCII Protocol

Requests Format

Instrument Responses

Corrupted or Invalid Requests

Modbus RTU Protocol

List of Data Registers

Printer Protocol

Types of Printouts

Printer Data Control

Glossary

Glossary

Model Numbers

Product Codes

Custom Version Codes

Application Information Code

Units of Measurement