RKC INSTRUMENT FAREX SR MINI SYSTEM Communication Instruction Manual

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FAREX SR Mini SYSTEM

FAREX

SR Mini SYSTEM

Communication

Instruction Manual

RKC INSTRUMENT INC.

IMSRM04-E8

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Thank you for purchasing the RKC instrument. In order to achieve maximum performance and ensure proper operation of your new instrument, carefully read all the instructions in this manual. Please place this manual in a convenient location for easy reference.

SYMBOLS

WARNING

CAUTION

: This mark indicates precautions that must be taken if there is danger of electric

shock, fire, etc., which could result in loss of life or injury.

: This mark indicates that if these precautions and operating procedures are not

taken, damage to the instrument may result.

: This mark indicates that all precautions should be taken for safe usage.

: This mark indicates important information on installation, handling and operating

procedures.

: This mark indicates supplemental information on installation, handling and

operating procedures.

: This mark indicates where additional information may be located.

WARNING

An external protection device must be installed if failure of this instrument

z

could result in damage to the instrument, equipment or injury to personnel.

All wiring must be completed before power is turned on to prevent electric

z

shock, fire or damage to instrument and equipment.

This instrument must be used in accordance with the specifications to prevent

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fire or damage to instrument and equipment.

This instrument is not intended for use in locations subject to flammable or

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explosive gases.

Do not touch high-voltage connections such as power supply terminals, etc.

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to avoid electric shock.

RKC is not responsible if this instrument is repaired, modified or

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disassembled by other than factory-approved personnel. Malfunction can occur and warranty is void under these conditions.

IMSRM04-E8

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CAUTION

This is a Class A instrument. In a domestic environment, this instrument may cause radio

interference, in which case the user may be required to take adequate measures. This instrument is protected from electric shock by reinforced insulation. Provide

reinforced insulation between the wire for the input signal and the wires for instrument power supply, source of power and loads. This instrument is designed for installation in an enclosed instrumentation panel. All high-

voltage connections such as power supply terminals must be enclosed in the instrumentation panel to avoid electric shock by operating personnel. All precautions described in this manual should be taken to avoid damage to the

instrument or equipment. All wiring must be in accordance with local codes and regulations.

To prevent instrument damage or failure, protect the power line and the input/output lines

from high currents with a protection device such as fuse, circuit breaker, etc. Prevent metal fragments or lead wire scraps from falling inside instrument case to avoid

electric shock, fire or malfunction. Tighten each terminal screw to the specified torque found in the manual to avoid electric

shock, fire or malfunction. For proper operation of this instrument, provide adequate ventilation for heat dispensation.

Do not connect wires to unused terminals as this will interfere with proper operation of the

instrument. Turn off the power supply before cleaning the instrument.

Do not use a volatile solvent such as paint thinner to clean the instrument. Deformation or

discoloration will occur. Use a soft, dry cloth to remove stains from the instrument. To avoid damage to instrument display, do not rub with an abrasive material or push front

panel with a hard object.

NOTICE

This manual assumes that the reader has a fundamental knowledge of the principles of electricity, process control, computer technology and communications.

The figures, diagrams and numeric values used in this manual are only for purpose of illustration.

RKC is not responsible for any damage or injury that is caused as a result of using this instrument, instrument failure or indirect damage.

Periodic maintenance is required for safe and proper operation of this instrument. Some components have a limited service life, or characteristics that change over time.

Every effort has been made to ensure accuracy of all information contained herein. RKC makes no warranty expressed or implied, with respect to the accuracy of the information. The information in this manual is subject to change without prior notice.

No portion of this document may be reprinted, modified, copied, transmitted, digitized, stored, processed or retrieved through any mechanical, electronic, optical or other means without prior written approval from RKC.

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CONTENTS

Page

1. SPECIFICATIONS................................................................ 1

1.1 Control Unit .....................................................................................................1

1.2 OPM, OPM Z-191 and OPM Z-191 [CE/UL/CSA Conformed] ........................2

1.3 OPL, OPL [CE/UL/CSA Conformed] ...............................................................3

1.4 OPM-H ............................................................................................................4

1.5 Terminal Voltage and Signal Logic..................................................................5

2. CONNECTING....................................................................... 6

2.1 Connection Block Diagram..............................................................................7

2.1.1 When connecting control unit with host computer directly.................................. 7

2.1.2 When using operation panel .............................................................................. 8

2.2 Connection Between the Control Unit and a Host Computer...........................9

2.2.1 When the dedicated cable is not used ............................................................... 9

2.2.2 When using the dedicated cable ......................................................................10

2.3 Connection Between the Operation Panel and a Host Computer..................11

2.3.1 OPL or OPL [CE/UL/CSA Conformed]..............................................................11

2.3.2 OPM or OPM Z-191 connection........................................................................14

2.3.3 OPM Z-191 [CE/UL/CSA Conformed] connection.............................................16

2.3.4 OPH Z-191 connection .....................................................................................18

3. SETTING FOR COMMUNICATION ....................................20

3.1 When Connecting Control Unit with Host Computer Directly ........................20

3.2 When Using Operation Panel........................................................................22

3.2.1 Host communication setting..............................................................................22

3.2.2 Between operation panel and control unit communication setting.....................23

3.2.3 Computer/Local transfer ...................................................................................24

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Page

4. COMMUNICATION PROTOCOL .......................................25

4.1 Polling............................................................................................................25

4.1.1 Polling procedure..............................................................................................26

4.1.2 Polling procedure example (When the host computer requests data) ...............29

4.2 Selecting........................................................................................................30

4.2.1 Selecting procedure..........................................................................................30

4.2.2 Selecting procedure (When the host computer sends data) .............................32

4.3 Communication Data Configuration ..............................................................33

4.4 Examples of Selecting and Polling Check Programs ....................................34

5. COMMUNICATION IDENTIFIERS .....................................38

5.1 List of Communication Identifiers ..................................................................38

5.2 Identifiers Function Explanation ....................................................................41

6. TROUBLESHOOTING .......................................................71

6.1 Troubleshooting.............................................................................................71

6.2 Error Code Descriptions (Identifier: ER)........................................................73

7. ASCII CODE TABLE ........................................................... 74

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1. SPECIFICATIONS

1.1 Control Unit

Communication interface:

Communications modes:

Maximum connections:

Synchronous method:

Communication speed:

Data format:

Protocol:

Error control:

Based on RS-422A, EIA standard Based on RS-232C, EIA standard (Specify when ordering.)

4-wire system, multi-drop connection (RS-422A) Point-to-point connection (RS-232C)

16 units (RS-422A) 1 unit (RS-232C)

Start/stop synchronous type

2400 bps, 4800 bps, 9600 bps, 19200 bps (Any can be selected)

Start bit: 1 Data bit: 7 or 8 Parity bit: Without, Odd or Even

(Unused when data bit is 8)

Stop bit: 1

Based on ANSI X3.28 subcategory 2.5, B1 Polling/selecting type

Vertical parity (When parity bit is selected) Horizontal parity

Block length:

Data types:

Time out time:

Unit address:

Communications content:

Data sending transfer time:

128 bytes or less

Text : ASCII code Control codes : ENQ (05H), EOT (04H), STX (02H), ETB (17H),

ETX (03H), ACK (06H), NAK (15H) Codes in brackets ( ) are in hexadecimal.

3 seconds

00 to 15

Temperature measured value Temperature set value, Check of alarm state and setting of alarms

0 to 255 ms

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1. SPECIFICATIONS

1.2 OPM, OPM Z-191 and OPM Z-191 [CE/UL/CSA Conformed]

Communication interface:

Communications modes:

Maximum connections:

Synchronous method:

Communication speed:

Data format:

Protocol:

Based on RS-422A, EIA standard Based on RS-485, EIA standard Based on RS-232C, EIA standard (Specify when ordering.)

4-wire system, multi-drop connection (RS-422A) 2-wire system, multi-drop connection (RS-485) Point-to-point connection (RS-232C)

16 units (RS-422A, RS-485) 1 unit (RS-232C)

Start/stop synchronous type

2400 bps, 4800 bps, 9600 bps, 19200 bps (Any can be selected)

Start bit: 1 Data bit: 7 or 8 Parity bit: Without, Odd or Even Stop bit: 1 or 2

Based on ANSI X3.28 subcategory 2.5, B1 Polling/selecting type

Error control:

Block length:

Data types:

Time out time:

Unit address:

Communications content:

Data sending transfer time:

Vertical parity (When parity bit is selected) Horizontal parity

128 bytes or less

Text : ASCII code Control codes : ENQ (05H), EOT (04H), STX (02H), ETB (17H),

ETX (03H), ACK (06H), NAK (15H) Codes in brackets ( ) are in hexadecimal.

3 seconds

00 to 15

Temperature measured value Temperature set value Check of alarm state and setting of alarms

0 to 300 ms (Setting every 3 ms) Only OPM Z-191 [CE/UL/CSA Conformed]

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1.3 OPL, OPL [CE/UL/CSA Conformed]

1. SPECIFICATIONS

Communication interface:

Communications modes:

Maximum connections:

Synchronous method:

Communication speed:

Data format:

Protocol:

Based on RS-422A, EIA standard Based on RS-485, EIA standard Based on RS-232C, EIA standard (Specify when ordering.)

4-wire system, multi-drop connection (RS-422A) 2-wire system, multi-drop connection (RS-485) Point-to-point connection (RS-232C)

16 units (RS-422A, RS-485) 1 unit (RS-232C)

Start/stop synchronous type

2400 bps, 4800 bps, 9600 bps, 19200 bps (Any can be selected)

Start bit: 1 Data bit: 7 or 8 Parity bit: Without, Odd or Even Stop bit: 1 or 2

Based on ANSI X3.28 subcategory 2.5, B1 Polling/selecting type

Error control:

Block length:

Data types:

Time out time:

Unit address:

Communications content:

Data sending transfer time:

Vertical parity (When parity bit is selected) Horizontal parity

128 bytes or less

Text: ASCII code Control codes: ENQ (05H), EOT (04H), STX (02H),ETB (17H),

ETX (03H), ACK (06H), NAK (15H) Codes in brackets ( ) are in hexadecimal.

3 seconds

00 to 15

Temperature measured value Temperature set value Check of alarm state and setting of alarms

0 to 300 ms (Setting every 3 ms)

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1. SPECIFICATIONS

1.4 OPM-H

Communication interface:

Communications modes:

Maximum connections:

Synchronous method:

Communication speed:

Data format:

Protocol:

Based on RS-422A, EIA standard Based on RS-485, EIA standard Based on RS-232C, EIA standard (Specify when ordering.)

4-wire system, multi-drop connection (RS-422A) 2-wire system, multi-drop connection (RS-485) Point-to-point connection (RS-232C)

16 units (RS-422A, RS-485) 1 unit (RS-232C)

Start/stop synchronous type

2400 bps, 4800 bps, 9600 bps, 19200 bps (Any can be selected)

Start bit: 1 Data bit: 7 or 8 Parity bit: Without, Odd or Even Stop bit: 1 or 2

Based on ANSI X3.28 subcategory 2.5, B1 Polling/selecting type

Error control:

Block length:

Data types:

Time out time:

Unit address:

Communications content:

Vertical parity (When parity bit is selected) Horizontal parity

128 bytes or less

Text: ASCII code Control codes: ENQ (05H), EOT (04H), STX (02H), ETB (17H),

ETX (03H), ACK (06H), NAK (15H) Codes in brackets ( ) are in hexadecimal.

3 seconds

00 to 15

Temperature measured value Temperature set value Check of alarm state and setting of alarms

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1.5 Terminal Voltage and Signal Logic

RS-422A and RS-485

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1. SPECIFICATIONS

Name

T (A)

Send data

T (B)

R (A)

Receive data

R (B)

Voltage between T (A) and T (B) is the voltage of T (A) to the T (B) terminal. Voltage between R (A) and R (B) is the voltage of R (A) to the R (B) terminal.

RS-232C

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Signal voltage Logic

+ 3V or more 0 (Space status)

- 3V or less 1 (Mark status)

Voltage between T (A) and T (B)

Voltage between R (A) and R (B)

(Stop bit and signal 1)

Mark state

(Start bit and signal 0)

−2 V Voltage between T (A) and T (B) +2 V

−2 V Voltage between R (A) and R (B) +2 V

Space state

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2. CONNECTING

WARNING

To prevent electric shock or instrument failure, turn off the power before connecting or disconnecting the instrument and peripheral equipment.

Connect connectors correctly in the right position. If it is forcibly pushed in with pins in the wrong positions, the pins may be bent resulting in instrument failure.

When connecting or disconnecting the connectors, do not force it too far to right and left or up and down, but move it as straight as possible. Otherwise, the connector pins may be bent, causing instrument failure.

When disconnecting a connector, hold it by the connector itself. Disconnecting connectors by yanking on their cables can cause breakdowns.

In order to prevent malfunction, never touch the contact section of a connector with bare hands or with hands soiled with oil or the like.

In order to prevent malfunction, connect cable connectors securely, then firmly tighten the connector fastening screws.

In order to prevent damage to cables, do not bend cables over with excessive force.

If the instrument is easily affected by noise, use the ferrite core in the both ends of the cable (nearest the connector).

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2. CONNECTING

2.1 Connection Block Diagram

2.1.1 When connecting control unit with host computer directly

The communication interface for control unit are RS-232C and RS-422A. When using the RS-422A, a maximum of 16 control units can be connected. However, when connecting to the computer which only has a RS-232C driver, conversion of the communication interface will be necessary.

Host computer

RS-232C

Control unit Control unit

When RS-232C is selected for the control unit communications, only one control unit may be connected.

RS-232C

RS-422A

Host computer

RS-232C/RS-422A converter

Maximum of 16 units

Our recommended RS-232C/RS-422A converter are shown below: RS-232C/RS-422A converter: COM-A For details on the RS-232C/RS-422A converter, see the RS-232C/RS-422A converter instruction manual.

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2. CONNECTING

2.1.2 When using operation panel

The communication interface for operation panel are RS-232C, RS-422A and RS-485. When using the RS-422A or RS-485, a maximum of 16 control units (OPC/OPC-H: 32 control units) can be connected. However, when connecting to the computer which only has a RS-232C driver, conversion of the communication interface will be necessary.

Host computer

RS-232C (Only one unit may be connected)

Junction branch box

RS-422A or

RS-232C

RS-232C/RS-422A or

RS-232C/RS-485

converter

RS-485

Junction branch box

RS-422A

RS-485

RS-422A

RS-485

RS-422A

RS-485

Operation panel

RS-422A

Maximum of 8 units

RS-422A

Maximum of 8 units

RS-422A

Maximum of 8 units

Control unit

RS-422A

RS-485

Maximum of 16 units

Operation panel

RS-422A

Maximum of 8 units

Control unit

Our recommended RS-232C/RS-422A or RS-232C/RS-485 converter and junction branch boxes are shown below: Converter: COM-A (RS-232C/RS-422A), COM-B (RS-232C/RS-485) Junction branch box: BRA-100B-4 (RS-422A), BRA-100B-2 (RS-485) For details on the RS-232C/RS-422A (or RS-232C/RS-485) converter and junction branch boxes, see the each instruction manuals.

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2.2 Connection Between the Control Unit and a Host

Computer

2.2.1 When the dedicated cable is not used

RS-422A

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2. CONNECTING

PCP module

RS-232C

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

Connection by the modular connector

R(A)

R(B)

T(B)

T(A)

Shield

Connection by the modular connector

RS-422A

Paired wire

Shielded twisted

pair wire

RS-232C

Host computer or

RS-232C/RS-422A converter

T(A) T(B) SG T(B) T(A)

Host computer

PCP module

IMSRM04-E8

Not used

Shield

Shielded wire

The 6 pins type modular connector should be used. (TM4P-66P to HEROSE ELECTRIC CO., LTD. or equivalent)

RS CS

*RS and CS should be shorted inside the connector.

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2. CONNECTING

2.2.2 When using the dedicated cable

RS-422A

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

RS-232C/RS-422A converter

Connect to terminal block

RS-232C

Host computer

Connect to the communication connector

Control unit

RS-422A

Connect to the modular connector

Ferrite core

Connect according to the label names as they are without crossing the wires.

R(B)

R(A)

T(B )

T(A )

RKC special cable type: W-BF-01-3000 (Sold separately)

on the PCP module [COM.PORT1].

R(B)

R(A)

T(B)

T(A)

[Standard cable length: 3m]

RS-232C

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

Host computer

Connect to the communication connector

We recommend to use the ferrite core (ZCAT1325-0530 to TDK Ltd. or equivalent) in the both ends of the cable to connect the operation panel and host computer to decrease the noise.

D-SUB (25P type) modular conversion connector (TM12RV64-H to HIROSE ELECTRIC CO., LTD. or equivalent.)

RS-232C

Ferrite core

RKC special cable type: W-BF-02-3000 (Sold separately)

Control unit

Connect to the modular connector on the PCP module [COM.PORT1].

[Standard cable length: 3m]

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2. CONNECTING

2.3 Connection Between the Operation Panel and a Host

Computer

2.3.1 OPL or OPL [CE/UL/CSA Conformed] connection

Modular cable pin numbers

1 to 6

Control

unit

100 to 240 V AC [OPL-A ∗ ]

Operation

panel

24 V DC [OPL-A ∗ ]

CE/UL/CSA Conformed

100 to 240 V AC,

24 V DC

[OPL-A ∗ /CE]

Control unit

Connect to the modular connector on the PCP module [COM.PORT1].

Connect to the modular connector on the oparation panel [COM.PORT].

RKC special cable type : W -BF-02-3000 (Sold separately)

[Standard cable length: 3m] The cable type partially differs depending on the cable length when ordering.

IMSRM04-E8

For the CE/UL/CSA approved instrument, install the ferrite cores attached to the operation panel to both ends of the cable.

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2. CONNECTING

RS-422A





Pin number and signal name

Pin No. Mark Name

2 T(A) Send data 6 T(B) Send data 5 SG Ground for signal 4 R(A) Receive data 8 R(B) Receive data

Contents of communication cable wiring

Operation panel

T (A)

T (B)

R (A)

R (B)

(Maximum connections: 16 units)

RS-485

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

Shielded twisted

Paired wire

pair wire

Signal Direction

Operation panel Host computer

Host computer

TXD

RXD

TXD and RXD : negative logic.

Pin number and signal name

Pin No. Mark Name

2 T/R(A) Send data/Receive data 6 T/R(B) Send data/Receive data 5 SG Ground for signal

Contents of communication cable wiring

Paired wire

Operation panel

T/R (A)

T/R (B)

(Maximum connections: 16 units)

Shielded twisted

pair wire

Signal Direction

Operation panel Host computer

Host computer

TXR/RXD

TXD and RXD : negative logic.

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RS-232C





Pin number and signal name

2. CONNECTING

Pin No. Mark Name

3 SD (TXD) Send data 2 RD (RXD) Receive data 5 SG (GND) Ground for signal

Contents of communication cable wiring

Operation panel

SD (TXD)

RD (RXD)

SG (GND)

(Maximum connections: 1 unit)

RS-232C

Shield wire

Signal Direction

Operation panel Host computer

Host computer

SD (TXD)

RD (RXD)

SG (GND)

RS (RTS)

CS (CTS)

*Short RS and CS within connector

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2. CONNECTING

2.3.2 OPM or OPM Z-191 connection

Operation panel

Connector pin numbers

1425

RS-422A





Pin number and signal name

RS-422A RS-485 RS-232C

Connect to the host communication connector [HOST]

Connector used: SDBB-25S (Manufactured by HIROSE ELECTRIC CO.,LTD.)

The customer must prepare the communication cables. These cables (excluding RS-485) are also available from RKC.

Recommended connector type: SDBB-25P (Manufactured by HIROSE ELECTRIC CO.,LTD.)

Specify when ordering

Connect to the communication connector

Host computer

Pin No. Mark Name

2 T(A) Send data 14 T(B) Send data 8 SG Ground for signal 4 R(A) Receive data 16 R(B) Receive data

Contents of communication cable wiring

Operation panel

T (A)

T (B)

R (A)

R (B)

(Maximum connections: 16 units)

Paired wire

Shielded twisted

Signal Direction

Operation panel Host computer

Host computer

TXD

RXD

TXD and RXD : negative logic.

pair wire

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RS-485



Pin number and signal name

2. CONNECTING

Pin No. Mark Name

2 T/R(A) Send data/Receive data 14 T/R(B) Send data/Receive data 8 SG Ground for signal

Contents of communication cable wiring

Paired wire

Operation panel

T/R (A)

T/R (B)

(Maximum connections: 16 units)

RS-232C





Shielded twisted

Signal Direction

Operation panel Host computer

Host computer

TXR/RXD

pair wire

TXD and RXD : negative logic.

Pin number and signal name

Pin No. Mark Name

2 SD (TXD) Send data 3 RD (RXD) Receive data 7 SG (GND) Ground for signal 4 RS (RTS) Request to send 5 CS (CTS) Clear to send

Contents of communication cable wiring

Operation panel

SD (TXD)

RD (RXD)

SG (GND)

RS (RTS)

CS (CTS)

(Maximum connections: 1 unit)

RS-232C

Shield wire

Signal Direction Operation panel Host computer

Host computer

SD (TXD)

RD (RXD)

SG (GND)

RS (RTS)

CS (CTS)

*Short RS and CS within connector

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2. CONNECTING

2.3.3 OPM Z-191 [CE/UL/CSA Conformed] connection

Operation panel

Connect to the host communication connector [HOST]

Connector pin numbers

１５

６

９

Connector used: SDEB-9P (Manufactured by HIROSE ELECTRIC CO.,LTD.)

We recommend to use the ferrite core (ZCAT1325-0530 to TDK Ltd. or equivalent) in the both ends of the cable to connect the operation panel and host computer to decrease the noise.

The connector for the connection with operation panel is attached to this instrument.

RS-422A RS-485 RS-232C

Ferrite cores

The customer must prepare the communication cables.

Specify when ordering

Host computer

Connect to the communication connector

RS-422A

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

Pin number and signal name

Pin No. Mark Name

2 T(A) Send data 6 T(B) Send data 5 SG Ground for signal 4 R(A) Receive data 8 R(B) Receive data

Contents of communication cable wiring

Operation panel

T (A)

T (B)

R (A)

R (B)

Paired wire

Signal Direction Operation panel Host computer

Host computer

TXD

RXD

(Maximum connections: 16 units)

Shielded twisted

pair wire

TXD and RXD : negative logic.

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RS-485



Pin number and signal name

2. CONNECTING

Pin No. Mark Name

2 T/R(A) Send data/Receive data 6 T/R(B) Send data/Receive data 5 SG Ground for signal

Contents of communication cable wiring

Paired wire

Operation panel

T/R (A)

T/R (B)

(Maximum connections: 16 units)

RS-232C





Shielded twisted

Signal Direction Operation panel Host computer

Host computer

TXR/RXD

pair wire

TXD and RXD : negative logic.

Pin number and signal name

Pin No. Mark Name

3 SD (TXD) Send data 2 RD (RXD) Receive data 5 SG (GND) Ground for signal

Contents of communication cable wiring

Operation panel

SD (TXD)

RD (RXD)

SG (GND)

(Maximum connections: 1 unit)

RS-232C

Shield wire

Signal Direction Operation panel Host computer

Host computer

SD (TXD)

RD (RXD)

SG (GND)

RS (RTS)

CS (CTS)

*Short RS and CS within connector

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2. CONNECTING

2.3.4 OPM-H Z-191 connection

Operation panel

3 4

6 7 8 9

Connect to the host communication connector [HOST]

The connector for the connection with operation panel is attached to this instrument.

RS-422A RS-485 RS-232C

Specify when ordering

Connect to the communication connector

Host computer

Connector pin numbers

RS-422A





Connector used: SDEB-9P Connector locking device type: HD-LN (4-40) (02) (Manufactured by HIROSE ELECTRIC CO.,LTD.)

The customer must prepare the communication cables. These cables (excluding RS-485) are also available from RKC. Recommended connector type: SDEB-9S (Manufactured by HIROSE ELECTRIC CO.,LTD.)

Pin number and signal name

Pin No. Mark Name

2 T(A) Send data 6 T(B) Send data 5 SG Ground for signal 4 R(A) Receive data 8 R(B) Receive data

Contents of communication cable wiring

Operation panel

Paired wire

Signal Direction Operation panel Host computer

Host computer

T (A)

T (B)

R (A)

R (B)

(Maximum connections: 16 units)

Shielded twisted

TXD

RXD

TXD and RXD : negative logic.

pair wire

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RS-485



Pin number and signal name

2. CONNECTING

Pin No. Mark Name

2 T/R(A) Send data/Receive data 6 T/R(B) Send data/Receive data 5 SG Ground for signal

Contents of communication cable wiring

Paired wire

Operation panel

T/R (A)

T/R (B)

(Maximum connections: 16 units)

RS-232C





Shielded twisted

Signal Direction Operation panel Host computer

Host computer

TXR/RXD

pair wire

TXD and RXD : negative logic.

Pin number and signal name

Pin No. Mark Name

3 SD (TXD) Send data 2 RD (RXD) Receive data 5 SG (GND) Ground for signal 7 RS (RTS) Request to send 8 CS (CTS) Clear to send

Contents of communication cable wiring

Operation panel

SD (TXD)

RD (RXD)

SG (GND)

RS (RTS)

CS (CTS)

(Maximum connections: 1 unit)

RS-232C

Shield wire

Signal Direction Operation panel Host computer

Host computer

SD (TXD)

RD (RXD)

SG (GND)

RS (RTS)

CS (CTS)

*Short RS and CS within connector

IMSRM04-E8

Page 26

3. SETTING FOR COMMUNICATION

In order to make communication between the SR Mini HG SYSTEM and the host computer, it is necessary to set the communication speed, data configuration and address.

3.1 When Connecting Control Unit with Host Computer

Directly

Host communication setting (data configuration, communication speed, unit address, etc.) are to be set by the PCP module of the control unit. Set the same communication setting to both the control unit and connecting host computer.

Control unit

Host communication setting

Host computer

-Data configuration

-Communication speed

-Unit address, etc.

Setting the data configuration and communication speed



1. To separate the mainframe of the module from the mother block, pull the mainframe upward with the upper connection of the mainframe set to the fulcrum while pressing the section of the mainframe (removal lever ) with your index finger.

Module mainframe

Mother block

Module mainframe

Upper section

Lower section

Mother block

IMSRM04-E8

Page 27

3. SETTING FOR COMMUNICATION

2. Set the desired data configuration and communication speed by the dip switches located in the PCP module.

Upper section

View from the rear with the mother block removed.

OFF

1 2 Data configuration 3 4 Communication speed

OFF OFF 8-bit non parity OFF OFF 2400 bps

OFF ON 7-bit even parity OFF ON 4800 bps

ON OFF 7-bit odd parity ON OFF 9600 bps

ON ON (Don't set this one) ON ON 19200 bps

3. After completing the setting, engage the upper connection of the mainframe with that of the mother block, then perform the reverse order of separation to engage the lower part of the mainframe with the mother block with the upper connection set to the fulcrum. Firmly engage the mainframe with the mother block until a click sound is produced.



Unit address setting



CAUTION

Set the unit address so that its setting is different from other address settings on the same line. Otherwise, problems or malfunction may result.

Setting procedure:

Set the address by the PCP module unit address setting switch on each control unit. For this setting, use a small slotted screwdriver.

Unit address setting switch

IMSRM04-E8

Setting range: 0 to F (hexadecimal) Addresses 0 to 15

PCP module

Page 28

3. SETTING FOR COMMUNICATION

3.2 When Using Operation Panel

The host communication setting between the operation panel and host computer is made (on these operation panel and host computer); the communication setting between the operation panel and control unit is made (on these operation panel and control unit) and computer/local selection is made (on the operation panel).

Host computer

Host

communication

setting

Host communication setting

-Data configuration

-Communication speed

-Operation panel address, etc.

Communication setting

-Data configuration

-Communication speed, etc.

Computer/Local transfer

Operation panel

Communication

setting

Control unit

Communication setting

-Data configuration

-Communication speed

-Unit address, etc.

3.2.1 Host communication setting

Host communication setting (data configuration, communication speed, operation panel address, etc.) are to be set on the screen of the operation panel. Set the same host communication setting to both the operation panel and connecting host computer. For details on the setting and operating procedure, see the each operation panel instruction manuals.

OPM: See the Host Communication Initialize screen in the Operation panel OPM

Instruction Manual (IMSRM03-E



)

OPM [Z-191]: See the Host Communication Initialize screen in the Operation panel OPM [Z-

191] Instruction Manual (IMSRM21-E



)

OPL: See the Host Communication Initialize screen in the Operation panel [OPL]

Instruction Manual (IMSRM11-E



)

OPM-H [Z-191]: See the Host Communication Initialize screen of the Operation panel OPM-H

[Z-191] Instruction Manual (IMSRM26-E



)

IMSRM04-E8

Page 29

3. SETTING FOR COMMUNICATION

3.2.2 Between operation panel and control unit communication setting

Set the same communication setting to both the control unit and connecting operation panel.



Operation panel



Communication setting (data configuration, communication speed, etc.) are to be set on the screen of the operation panel. For details on the setting and operating procedure, see the each operation panel instruction manuals.

OPM : See the Communication Initialize screen in the Operation panel OPM

Instruction Manual (IMSRM03-E

OPM [Z-191]: See the Communication Initialize screen in the Operation panel OPM [Z-191]

Instruction Manual (IMSRM21-E



)

OPL: See the Communication Initialize screen in the Operation panel [OPL]

Instruction Manual (IMSRM11-E

OPM-H [Z-191]: See the Communication Initialize screen of the Operation panel OPM-H [Z-191]

Instruction Manual (IMSRM26-E



Control unit



Communication setting (data configuration, communication speed, unit address, etc.) are to be set by the PCP module of the control unit.

Dip switch

It refers to configuration and communication speed.

Unit address setting switch

It refers to one operation panel.

Setting range: 0 to 7



Setting the data configuration and communication speed and it sets data



Unit address setting and it sets unit address. Up to 8 control units can be connected to



)

IMSRM04-E8

Page 30

3. SETTING FOR COMMUNICATION

3.2.3 Computer/Local transfer

SR Mini HG SYSTEM has two communication modes: local mode and computer mode. The host computer can perform only monitoring (polling) in local mode. In computer mode, it can perform monitoring and setting (selecting).

These computer/local transfer can be selected on the screen of the operation panel. For details on the setting and operating procedure, see the each operation panel instruction manuals.

OPM : See the Computer/Local Selection screen in the Operation panel OPM

Instruction Manual (IMSRM03-E

OPM [Z-191]: See the Computer/Local Selection screen in the Operation panel OPM [Z-191]

Instruction Manual (IMSRM21-E

OPL : See the Computer/Local Selection screen in the Operation panel [OPL]

Instruction Manual (IMSRM11-E



)

OPM-H [Z-191]: See the Computer/Local Selection screen of the Operation panel OPM-H

[Z-191] Instruction Manual (IMSRM26-E



)

IMSRM04-E8

Page 31

4. COMMUNICATION PROTOCOL

[

]

[

]

[

]

[

]

To establish the data link, the polling/selecting method is employed. The basic procedure follows ANSI X 3.28 subcategory 2.5, B1 and JIS basic data transmission control. For selecting, fast selecting is employed.

z

In the polling/selecting method, the device is entirely controlled by the host computer to allow only data transfer with the host computer. In order to make the device send or receive data messages, send the messages from the host computer in accordance with the polling or selecting procedure (Centralized operation).

z

For communication, ASCII codes including transmission control characters are used. Transmission control characters used in the device: EOT (04H), ENQ (05H), ACK (06H), NAK (15H), STX (02H), ETB (17H), ETX (03H)

( ) : Hexadecimal number

4.1 Polling

Polling is an action that host computer requesting one of the device which selected among multi-drop connected, to send the data. The polling procedure is as follows.

Host com

Address

(1)

ID: Identifier

uter send

(2)

←

(9)

SR Mini

SYSTEM

send

→

Time out

→

(Next data

→

send)

→

(Same data send)

→→→

E O T

Host computer send

E O T

(10)

Host

SR Mini SYSTEM send

E N

No response

computer send

(5)

→

(4)

(3)

or[ BCC

(8)

No response

Indefinite

S T X

→

Data

(6)

C K

←

(7)

Polling procedure

IMSRM04-E8

Page 32

4. COMMUNICATION PROTOCOL

4.1.1 Polling procedure

(1) Data link initialize

In order to initialize the data link before sending the polling sequence, send [EOT] from the host computer.

(2) Polling sequence send

Send the polling sequence from the host computer in the following format.

Address ENQ

Address

cccc

This is the unit address of this device being polled. It is expressed by a 4-digit decimal ASCII code.

When the connection is directly to the control unit and not to the operation panel, the operation panel address number is abbreviated into 2 digits.

0000

Identifier

dddd

A code which identifies the data requested from this device. It is expressed using a 2-digit alphanumeric ASCII code. For details on the identifiers, see 5. COMMUNICATION IDENTIFIERS.

[ENQ]

eeee

This transmission control character signifies the end of the polling sequence. After sending this, the host computer waits for a response from this device.

Identifier

Control unit address number (2 digits)

Operation panel address number (2 digits)

(3) Data send from this device

This device sends data in the following format if it received the polling sequence correctly.

dhfec

Identifier Data BCCETBSTX

dhgec

Identifier Data BCCETXSTX

If the length of send data (from [STX] to [BCC]) exceeds 128 bytes, it is divided into blocks by [ETB]. In this case, the succeeding divided data is sent after [STX].

IMSRM04-E8

Page 33

4. COMMUNICATION PROTOCOL

(

)

(

)

(

)

(

)

(

)

(

)

(

)

(

)

(

)

(

)

(

)

(

)

(

)

[STX]

cccc

Transmission control character showing the beginning of the text (identifier and data).

Identifier

dddd

A code which identifies the data to be sent to the host computer. It is expressed using a 2-digit alphanumeric ASCII code. For details on the identifiers, see 5. COMMUNICATION IDENTIFIERS

Data

eeee

Data which is indicated by an identifier of this device, consisting of channel Nos., data, etc. Each channel No. and data are delimited by a space (20H). The data and the next channel No. are delimited by a comma.

Channel No.: 2-digit ASCII code, not zero-suppressed. Channels without channel Nos. may exist

depending on the type of identifier.

Data: ASCII code, zero-suppressed with spaces (20H). The number of digits varies

depending on the type of identifier.

The number of digits (length) and data configuration vary depending on the type of identifier. For details on the number of data digits and data configuration, see 4.3 Communications Data

Configuration and 5. COMMUNICATION IDENTIFIERS

[ETB]

ffff

Transmission control character indicating the end of the block.

[ETX]

gggg

Transmission control character indicating the end of the text.

[BCC]

hhhh

Block check character for error-detection, uses horizontal parity. [BCC] is calculated by horizontal parity (even number).

Calculation method

[BCC] is obtained by EX-OR (exclusive OR) of all characters from the character next to [STX] to [ETB] or [ETX]. No [STX] is included.

Example:

The calculation method for the following data is shown below.

STXM101 150 . 0ETX

02H

4DH

31H

30H

31H

20H

31H

35H

30H

2EH

30H

03H

( ) : Hexadecimal number : Space

BCC = 4DH⊕31H⊕30H⊕31H⊕20H⊕20H⊕31H⊕35H⊕30H⊕2EH⊕30H⊕03H

= 54H (⊕ : EX-OR)

The value of BCC becomes 54H.

IMSRM04-E8

Page 34

4. COMMUNICATION PROTOCOL

(4) End of data send by this device (EOT send)

This device sends [EOT] in the following cases to terminate the data link.

z

When there is no specified identifier

z

When the specified identifier is not valid

z

When an error exists in the data format

z

When all data have been sent

(5) No response of this device

If the polling sequence is not received correctly (if the address differs or if there is an error in the data), this device does not respond. In this case, take necessary measures for recovery by time-out on the host computer side if required.

(6) Acknowledge [ACK]

If the host computer receives data sent correctly from this device, send [ACK]. The device then sends data next to the identifier just sent . In order to stop sending data from this device, send [EOT] from the host computer to terminate the data link.

(7) Negative acknowledge [NAK]

If the host computer does not correctly receive the data sent from this device, send [NAK]. The device then re-sends the same data. As the number of re-send times is not specified, take necessary measures for recovery on the host computer side if it does not recover.

(8) No response from host computer

If data sending from the host computer becomes no response, this device sends [EOT] after the timeout time (10 sec) has elapsed to terminate the data link.

(9) Indefinite response from host computer

If the response from the host computer is indefinite, this device sends [EOT] to terminate the data link.

(10) Data link termination [EOT]

To terminate communication with this device or to terminate the data link as a result of no response from this device, send [EOT] from the host computer.

IMSRM04-E8

Page 35

4. COMMUNICATION PROTOCOL

4.1.2 Polling procedure example (When the host computer requests data)



Normal transmission



Host computer send

E OT0001S1EN

04H 30H 30H 30H 31H 53H 31H 05H 06H

Operatio n panel

address

Polling address

Unit address

Identifier

S TXP111

02H 50H 31H 31H 31H 20H 03H 48H

TXS101 400. 0

02H 53H 31H 30H 31H 20H 20H 34H 30H 30H 2EH 30H 03H 67H

Identifier

…

Channel No.

Send data, SR Mini SYSTEM send

Host computer

E T X

04H

B C C

Data

*Omit the operation panel address when the

connection is made directly to control unit.

Host computer

E T

…

B C C

Continue to

Next send data, SR Mini SYSTEM send



If error exists in data



Host computer send

E OT0001S1EN

04H 30H 30H 30H 31H 53H 31H 05H 15H

Operatio n panel address

Polling address

Unit address

Identifier

S TXS101

02H 53H 31H 30H 31H 20H 03H 67H

Resend data, SR Mini SYSTEM send

TXS101 400. 0

02H 53H 31H 30H 31H 20H 20H 34H 30H 30H 2EH 30H 03H 68H

Identifier

…

Channel No.

Send data, SR Mini SYSTEM send

Host computer

E O

E T X

04H

B C C

Data

Host computer

E T

…

A K

B C C

Continue to

IMSRM04-E8

Above example data is with 1 digit below decimal point. The data sent from control unit is different from the specification of control unit.

Page 36

4. COMMUNICATION PROTOCOL

[

]

4.2 Selecting

Selecting is an operation in which the host computer selects one set from among the devices multidrop connected and then of recommending data receive. The selecting procedure is as follows. As this device employs fast selecting, data is sent continuously to the selected address.

Host computer send

E O T

(7)

(1)

Address

(2)

Host com

[ ID ]

T X

uter send

[ Data ]

E T B

(3)

E T X

[ BCC ]

SR Mini SYSTEM send

→→→→

No response

(6)

→

C K

(4)

→

(5)

←

ID: Identifier

Selecting procedure

4.2.1 Selecting procedure

(1) Data link initialize

Send [EOT] from the host computer to initialize the data link before sending the selecting sequence.

(2) Selecting sequence send

Send the selecting address for the selecting sequence from the host computer.

Address

This is the unit address of this device to be selected. It is expressed by a 4-digit decimal ASCII code.

When the connection is directly to the control unit and not to the operation panel, the operation panel address number is abbreviated into 2 digits.

0000

Control unit address number (2 digits)

Operation panel address number (2 digits)

IMSRM04-E8

Page 37

4. COMMUNICATION PROTOCOL

(3) Data send

Send data in the following formats following the selecting sequence. The data format is the same as that of polling.

Identifier Data BCCETBSTX

to h, see 4.1 Polling.

For

Identifier Data BCCETXSTX

If the length of send data (from [STX] to [BCC]) exceeds 128 bytes, it is divided into blocks by [ETB]. In this case, send the succeeding data divided into blocks after [STX].

(4) Acknowledge response [ACK]

If this device receives data sent correctly from the host computer, it sends [ACK] to the host computer. Then, if there is data to be sent next from the host computer, send it to the device. After the data has been sent, send [EOT] to terminate the data link.

(5) Negative acknowledge [NAK]

This device sends [NAK] in the following cases. In this case, take necessary measures for recovery such as re-sending the data on the host computer side.

z

When an error occurs in the line (parity error or framing error)

z

When a BBC check error occurs

z

When there is no specified identifier

z

When the specified identifier is not valid

z

When an error exists in the data format

z

When normal receive data exceeds the setting range

(6) No response

If this device does not receive the selecting address correctly, it is set to no response. Also, it is set to no response if it does not receive [STX], [ETB], [EXT], or [BCC] correctly.

(7) Data link termination [EOT]

To terminate the data link when there is no more data to be sent from the host computer or this device is set to no response, send [EOT] from the host computer.

IMSRM04-E8

Page 38

4. COMMUNICATION PROTOCOL

4.2.2 Selecting procedure example (When the host computer sends data)

The data (Input range, decimal point etc.) should be conformed to the specifications of the instruments to be used. (Above example is with 1 digit below decimal point). The SR Mini HG SYSTEM sends [NAK] if the receiving of different data to specification.



Normal transmission



Host computer send

OT0001STXS101 400 . 0

04H 30H 30H 30H 31H 02H 53H 31H 30H 31H 20H 20H 34H 30H 30H 2EH 30H 03H 57H

Operatio n panel address

Unit address

Selecting

S TXP1 01

02H 50H 31H 30H 31H 20H 03H 49H 04H

Identifier

Channel No.

Host computer send

Next send data

Send data

E T

…

SR Mini SYSTEM send

Data

Host computer send

B C C

E O T

A C K

06H

…

A C K

06H

SR Mini SYSTEM send

Continue to

→

*Omit the operation panel address when the

connection is made directly to control unit.



If error exists in data



Host computer send

OT0001STXS101 400 . 0

04H 30H 30H 30H 31H 02H 53H 31H 30H 31H 20H 20H 34H 30H 30H 2EH 30H 03H 56H

Operatio n panel address

Unit address

Selecting

S TXS1 01

02H 53H 31H 30H 31H 20H 03H 57H 04H

Identifier

Channel No.

Host computer send

Resend data

Send data

E T

…

SR Mini SYSTEM send

Data

Host computer send

B C C

E O T

A C K

06H

…

N A K

15H

SR Mini SYSTEM send

Continue to

→

IMSRM04-E8

Page 39

4. COMMUNICATION PROTOCOL

4.3 Communication Data Configuration



Description of data (Transmission/receive data structure)



........................................................................................................

T X

Data

Part of the data above is shown below.

Data length 6 digits

01 100. 0, 02

... ... 2 0 ...

Identifier

Channel

No.

Space

Data length is 6 digits fixed.

Data length 1 digit

01 , 02

Identifier

Channel

No.

Space

Data

Comma

Data length is fixed at 1 digit.

Error code (Identifier: ER)

Identifier

Data

Channel

No.

Space

Comma

Data

Channel

No.

Space

... 2 0

Channel

No.

Space

Data

Channel

No.

Data

Space

Error code data description

Data Description

0 Operations normal 1 Back-up data check error 2 RAM read/write error 3 System structure error 4 Internal communications error 5 A/D converter error 6 Adjustment data error

IMSRM04-E8

Page 40

4. COMMUNICATION PROTOCOL

4.4 Examples of Selecting and Polling Check Programs

The following is the sample program for NEC PC-9800 series computers in BASIC language for carrying out polling and selecting checking by RS-422A (4-wire system) or RS-232C specification. Please be noted that there will be some differences in the computer languages according to the type of computer. Before executing the program, confirm that there is no mistake in the wiring of the communications cable and check that the control unit data bit structure is set to 8 for data bit and None for parity check. In addition, the communications speed setting should be set to match the host computer speed setting.



Example of temperature set values polling check program



1000 '-------------------- Identifier setting ---------------------1010 ID$="S1" 1020 ' 1030 '--------------- Communications initial setting --------------1040 CM$="N81NN" 1050 INPUT "Control unit address=";ADD$ 1060 STX$=CHR$(&H2) : EOT$=CHR$(&H4) : ENQ$=CHR$(&H5) 1070 ACK$=CHR$(&H6) : NAC$=CHR$(&H15): ETX$=CHR$(&H3) 1080 OPEN "COM1:"+CM$ AS #1 1090 CONSOLE ,,,1 1100 COLOR 7:CLS 3 1110 ' 1120 '------------------ Program main routine --------------------1130 *POL 1140 PRINT " (Polling check) " 1150 PRINT "*********Receiving the set values************" 1160 PRINT " " 1170 DT$=EOT$+ADD$+ID$+ENQ$ 1180 GOSUB *TEXT 1190 GOSUB *RXDT 1200 ' 1210 *J10 1220 J=0 1230 ' 1240 *IF1 1250 IF LOC(1)=0 THEN J=J+1:IF J<500 THEN *IF1 ELSE PRINT " TIME OUT ":END 1260 ' 1270 K$=INPUT$(1,#1) 1280 IF K$=ETX$ GOTO *ETXRX 1290 IF K$=NAK$ THEN PRINT " NAK":END 1300 IF K$=EOT$ THEN PRINT " EOT":END 1310 IF K$=ACK$ THEN PRINT " ACK":END 1320 ' 1330 DT$=DT$+K$ 1340 GOTO *J10 1350 '

Identifier setting

Communications data configuration setting Control unit address input Communications character setting

Open RS-232C circuit

Data configuration setting

Setting of the receiving waiting time (Timeout processing)

Communications condition checking

(Continued on the next page.)



IMSRM04-E8

Page 41

1360 *ETXRX 1370 DT$=DT$+K$ 1380 BCCRX$=INPUT$(1,#1) 1390 BCCRX=ASC(BCCRX$) 1400 GOSUB *BCCCH 1410 IF BCC<>BCCRX THEN GOSUB *NAKTX 1420 IF BCC<>BCCRX THEN GOSUB *RXDT GOTO *J10 1430 ' 1440 PRINT "Data has been correctly received" 1450 PRINT "Received data=";DT$ : END 1460 ' 1470 '--------------------- Sub-routine ---------------------1480 ' 1490 *NAKTX 1500 PRINT "BCC error" 1510 DT$=NAK$ 1520 GOSUB *TEXT 1530 RETURN 1540 ' 1550 *RXDT 1560 DT$="" 1570 RETURN 1580 ' 1590 *TEXT 1600 PRINT #1,DT$; 1610 RETURN 1620 ' 1630 *BCCCH 1640 FOR II=1 TO LEN(DT$) 1650 BCCA$=MID$(DT$,II,1) 1660 IF BCCA$=STX$ THEN BCC=0 : GOTO *IINEXT 1670 BCC=BCC XOR ASC(BCCA$) 1680 *IINEXT 1690 NEXT II 1700 RETURN

4. COMMUNICATION PROTOCOL

BCC checking

Display of received data and closing of RS-232C circuit

Processing on occurrence of a BCC error

Clearing of circuit buffer

Transfer of polling identifier

BCC calculation

(The items after the mark of " ' " can be omitted.)



Setting of the receiving waiting time : If timeout occurs in using high speed computer (Except no

response), the numeral value of 500 in the program should be changed to an appropriately-sized numeral value.

IMSRM04-E8

Page 42

4. COMMUNICATION PROTOCOL



Example of temperature set values selecting checking program



1000 '-------------------- Identifier setting ---------------------1010 ID$="S1" 1020 ' 1030 '--------------- Communications initial setting --------------1040 CM$="N81NN" 1050 STX$=CHR$(&H2) : EOT$=CHR$(&H4) : ENQ$=CHR$(&H5) 1060 ACK$=CHR$(&H6) : NAC$=CHR$(&H15): ETX$=CHR$(&H3) 1070 OPEN "COM1:"+CM$ AS #1 1080 CONSOLE ,,,1 1090 COLOR 7:CLS 3 1100 ' 1110 '------------------ Program main routine --------------------1120 *SEL 1130 PRINT " (Selection check) " 1140 PRINT "********Transmission of set values*********" 1150 PRINT " 1160 INPUT "Unit No.=";ADD$:INPUT "Channel No.=";C$ :INPUT "Setvalue=";S$ 1170 DT$=EOT$+ADD$+STX$+Z$+C$+" "+S$+ETX$ 1180 PRINT "Transmitting data=";DT$ 1190 GOSUB *BCCCH 1200 DT$=DT$+CHR$(BCC) 1210 GOSUB *TEXT 1220 GOSUB *RXDT 1230 ' 1240 *J20 1250 J=0 1260 ' 1270 *IF2 1280 IF LOC(1)=0 THEN J=J+1:IF J<500 THEN *IF1 ELSE PRINT " TIME OUT ":END 1290 ' 1300 K$=INPUT$(1,#1) 1310 IF K$=NAK$ THEN PRINT " NAK":END 1320 IF K$=ACK$ THEN PRINT "Control unit has received the data":END 1330 ' 1340 ' 1350 ' 1360 '--------------------- Sub-routine ---------------------1370 ' 1380 *RXDT' 1390 DT$="" 1400 RETURN 1410 ' 1420 *TEXT 1430 PRINT #1,DT$; 1440 RETURN

Identifier setting

Communications data configuration setting Communications character setting

Opening of RS-232C circuit

Input of the unit and channel number, and the temperature set value Data configuration setting 1 Display of transmitting data

Data configuration setting 2

Setting of the receiving waiting time (Timeout processing)

Communications condition check, Display of communication result, and closing of RS-232C circuit

Clearing of circuit buffer

Transfer of selection data



(Continued on the next page.)

IMSRM04-E8

Page 43

4. COMMUNICATION PROTOCOL

1450 ' 1460 *BCCCH 1470 FOR II=1 TO LEN(DT$) 1480 BCCA$=MID$(DT$,II,1) 1490 IF BCCA$=STX$ THEN BCC=0 : GOTO *IINEXT 1500 BCC=BCC XOR ASC(BCCA$) 1510 *IINEXT 1520 NEXT II 1530 RETURN

(The items after the mark of " ' " can be omitted.)



Setting of the receiving waiting time : If timeout occurs in using high speed computer (Except no

BCC calculation

response), the numeral value of 500 in the program should be changed to an appropriately-sized numeral value.

IMSRM04-E8

Page 44

5. COMMUNICATION IDENTIFIERS

5.1 List of Communication Identifiers

( Attributes RO : Read only R/W : Read and Write WO : Write only)

Name

Measured value (PV) input

First alarm condition

Second alarm condition

Burnout alarm condition

Manipulated output (Heat-side)

Manipulated output (Cool-side)

Heater break alarm

CT input measured value 1

CT input measured value 2

Iden-

tifier

Digits

Attri-

bute

6 RO Within input range

1 RO 0: OFF 1: ON

6 RO -5.0 to +105.0 %

1 RO 0: OFF 1: ON

6 RO 0.0 to 100.0 A or

0.0 to 30.0 A (Measured value of the TIO module)

6 RO 0.0 to 100.0 A or

0.0 to 30.0 A (Measured value of the CT module)

Data range

Factory

set

value

−

Refer-

ence page

Set value monitor

Temperature rise completion condition

Error code

PID/AT transfer

Temperature set value

Heat-side proportional band

Cool-side proportional band

Integral time

Derivative time



: Memory area response settings group (See page 62) Continued on the next page.



6 RO Within input range

1 RO 0: Rise not complete

1: Rise completed

1 RO 0 to 6

1 R/W 0: PID control operation

1: AT (Autotuning) operation

6 R/W Within input range

(Within setting limiter)

6 R/W 0.1 to 1000.0 % of span 3.0 54

6 R/W 0.1 to 1000.0 % of span 3.0

6 R/W 1 to 3600 sec. 240

6 R/W 0 to 3600 sec. 60

−

051

053

IMSRM04-E8

Page 45

Continued from the previous page

5. COMMUNICATION IDENTIFIERS

Name

Deadband/Overlap



Control response parameters

First alarm set value



Second alarm set value



Heater break alarm (HBA) set value 1

Heater break alarm (HBA) set value 2

Operation mode transfer

Iden-

tifier

Factory

Digits

Attri-

bute

Data range

set

value

6 R/W -10.0 to +10.0 % of span 0.0 54

1 R/W 0: Slow 1: Medium

*1 55

2: Fast

6 R/W Within input range or span

*2 56

range

6 R/W Within input range or span

range

6 R/W 0.0 to 100.0 A or

0.0 43

0.0 to 30.0 A (For the CT input of the TIO module)

6 R/W 0.0 to 100.0 A or

0.0

0.0 to 30.0 A (For the CT input of the CT module)

1 R/W 0: Unused 1: Monitoring

357

2: Alarm 3: Normal

Refer-

ence page

Heat-side proportioning cycle

6 R/W 1 to 100 sec.

(Setting will be invalid in

*3 58

continuous output of current/voltage.)

Cool-side proportioning cycle

6 R/W 1 to 100 sec.

(Setting will be invalid in

continuous output of current/voltage and heat action.)

PV bias

Control Run/Stop

Initialize setting mode

6 R/W -5.00 to +5.00 % of span 0.00 59

1 R/W 0: Stop 1: Run 1 60

1 R/W 0: Normal communication

061

1: Extended communication

Memory area number

Alarm interlock release

Auto/Manual transfer

Manual output value



: Memory area response settings group (See page 62) Continued on the next page.

1 R/W Number 1 to 8 1 62

1 WO 1: Release (1 only)

−

1 R/W 0: Auto 1: Manual 0 64

6 R/W -5.0 to +105.0 % 0.0

IMSRM04-E8

Page 46

5. COMMUNICATION IDENTIFIERS

Continued from the previous page

Name

Temperature rise completion range

Temperature rise completion trigger

Temperature rise completion soak time

LBA alarm condition

LBA use selection

LBA time

LBA deadband

Local/Computer transfer

*1 Heat control: 0

Heat/cool control: 2

Iden-

tifier

Factory

Digits

Attri-

bute

Data range

set

value

6 R/W 1 to 10 °C or 1 to 20 °F10°C

20°F

1 R/W 0: Unused 1: Used 0

6 R/W 0 to 360 min. 0

1 RO 0: OFF 1: ON

−

1 R/W 0: Unused 1: Used 0 66

6 R/W 1 to 7200 sec. 480

6 R/W Input span 0

1 RO 0: Local mode

−

1: Computer mode (Only valid when connected with the Operation Pane)

Refer-

ence page

*2 Depends on specifications

*3 Relay contact output: 20

Voltage pulse output, open collector output, triac output: 2

IMSRM04-E8

Page 47

5. COMMUNICATION IDENTIFIERS

5.2 Identifiers Function Explanation

Identifier M1: Measured value (PV) input

Read only identifier which defines the input measured value from the control unit.

Data range: Within input range

Polling example:

E O T

Operation

panel

address

Unit

address

Identifier

E N Q

S T X

Identifier

01 400. 0, 02 ...ET

Channel

No.

Space

Data (6 digits)

Comma

SR Mini SYSTEM send

Channel

No.

Host computer sendHost computer send

B C

Next to identifier

A C K

* Omit the operation panel address when the connection is made directly to control unit.

Identifier AA: First alarm condition Identifier AB: Second alarm condition

Read only identifier which defines each channel alarm condition of the control unit.

Data range: 0: OFF

1: ON

Polling example:

Host computer send Host computer send

E O T

Operation

panel

address

Unit

address

Identifier

E N Q

S T X

Identifier

Space

Comma

01 0, 02 ...ET

Channel

No.

SR Mini SYSTEM send

Data

(1 digit)

Channel

No.

A C K

Next to identifier

* Omit the operation panel address when the connection is made directly to control unit.

IMSRM04-E8

Page 48

5. COMMUNICATION IDENTIFIERS

Identifier B1: Burnout alarm condition

Read only identifier which defines each channel burnout condition of the control unit.

Data range: 0: OFF

1: ON

Polling example:

Host computer send Host computer send

E O T

Operation

panel

address

Unit

address

Identifier

E N Q

S T X

Identifier

CommaSpace

01 0, 02 ...ET

Channel

No.

SR Mini SYSTEM send

Data

(1 digit)

Channel

No.

B C

A C K

Next to identifier

* Omit the operation panel address when the connection is made directly to control unit.

Identifier O1: Manipulated output (Heat-side) Identifier O2: Manipulated output (Cool-side)

Read only identifier which defines the manipulated output value from the control unit.

Data range: -5.0 to +105.0 %

Polling example:

Host computer sendHost computer send

E O T

Operation

panel

address

Unit

address

Identifier

E N Q

S T X

Identifier

01 80.0,02 ...ET

Data (6 digits)Channel

No.

Space

SR Mini SYSTEM send

Channel

No.

Comma

A C

K B C

Next to identifier

* Omit the operation panel address when the connection is made directly to control unit.

IMSRM04-E8

Page 49

5. COMMUNICATION IDENTIFIERS

Identifier AC: Heater break alarm (HBA)

Read only identifier which defines the heater break alarm condition.

Data range: 0: OFF

1: ON

Polling example:

Host computer send Host computer send

E O T

Operation

panel

address

Unit

address

ACEN

Identifier

CommaSpace

S TXAC01 0, 02 ...ET

Identifier

Channel

No.

SR Mini SYSTEM send

Data

(1 digit)

Channel

No.

A C K

Next to identifier

C C

* Omit the operation panel address when the connection is made directly to control unit.

Identifier M3: CT input measured value 1 Identifier M4: CT input measured value 2 Identifier A3: Heater break alarm (HBA) set value 1 Identifier A4: Heater break alarm (HBA) set value 2

Identifier used when the heater break alarm function is used.

M3: CT input measured value 1, A3: Heater break alarm set value 1

The CT input measured value 1 indicates the measured current value detected by the CT sensors of each channel of the TIO module that is optionally set to the heater break alarm function. The heater break alarm set value 1 is the set value of the heater break alarm of each of these channels.

Data range: 0.0 to 100.0 A or 0.0 to 30.0 A

M4: CT input measured value 2, A4: Heater break alarm set value 2

The CT input measured value 2 indicates the measured current value detected by the CT sensors of each channel of the CT module. The heater break alarm set value 2 is the set value of the heater break alarm of each of these channels.

Data range: 0.0 to 100.0 A or 0.0 to 30.0 A

• CT input measured values 1 and 2: Read only

• Heater break alarm set values 1 and 2: Read and write

IMSRM04-E8

Continued on the next page.

Page 50

5. COMMUNICATION IDENTIFIERS

TIO module CT module

TIO-D TIO-B

CTCTCTCT

CH5

CT1

CH6

CT2

CH7

CT3

CH8

CH7CH5

CH8CH6CH4CH3CH2CH1

CT4

CT5

CT6

CT input measured value 1

(Identifier: M3),

Heater break alarm set value 1

(Identifier: A3)

CT input measured value 2

(Identifier: M4),

Heater break alarm set value 2

(Identifier: A4)

When sending and receiving data, note that identifiers M3 and A3 will be the channel numbers of the TIO module and that M4 and A4 will be the channel numbers of the CT module.

For the details of the form to allocate each CT input of the CT module to the TIO module channels, see the separate Hardware Instruction Manual (IMSRM02-E). Further, for the allocation method, see the Supplementary Information for Initialize Settings (Extended Communications).

Heater break alarm





This function determination whether or not there is a break in the heater by comparing the value of the current flowing through the heater with the previously set current value that is considered to be abnormal.

The heater break alarm function in this instrument can not be used with continuous analog output.

Heater break detection:

When the CT input measured value (heater current) read from the CT is less than the currently set heater break alarm set value even if a control signal is output, a heater break alarm is output.

Welding detection:

When the CT input measured value (heater current) read from the CT is more than the currently set heater break alarm set value even if a control signal is not output, a heater break alarm is output.

eration unit

Heater

Sensor

CT input

Control output

TIO

[Setting example]

A numerical value of approx. 85% of the CT input measured value (Identifiers: M3 or M4) should be set as the heater break alarm set value (Identifiers: A3 or A4). However, for a heater with the characteristic of a slight delay in the rise of the current, change the set value such as to reduce if necessary.

IMSRM04-E8

Page 51

5. COMMUNICATION IDENTIFIERS

Polling example:

Host computer sendHost computer send

E O T

E N Q

Operation

panel

address

Unit

address

Identifier

T X

Identifier

01 15.0,02 ...ET

Channel

No.

Space

Data (6 digits)

SR Mini SYSTEM send

Channel

No.

Comma

* Omit the operation panel address when the connection is made directly to control unit.

K B C

Next to identifier

Selecting example (Heater break alarm set value 1 and Heater break alarm set value 2 only):

Host computer send Host computer send

E O T

S T

01 15. 0, 02 ...ET

B C

E O T

Operation

panel

address

Unit

address

Identifier

Channel

No.

Space

Data (6 digits)

Comma

Channel

No.

SR Mini SYSTEM send

C K

* Omit the operation panel address when the connection is made directly to control unit.

Identifier MS: Set value monitor

Read only identifier which defines the set value now used for control.

Data range: Within input range

Polling example:

Host computer sendHost computer send

E O T

Operation

panel

address

Unit

address

MSEN

Identifier

S TXMS01 145. 6, 02 ...ET

Identifier

Channel

No.

Space

Data (6 digits)

SR Mini SYSTEM send

Channel

No.

Comma

Next to identifier

K B C C

* Omit the operation panel address when the connection is made directly to control unit.

IMSRM04-E8

Page 52

5. COMMUNICATION IDENTIFIERS

Identifier HE: Temperature rise completion condition Identifier HD: Temperature rise completion range Identifier HS: Temperature rise completion trigger Identifier T3: Temperature rise completion soak time

Identifier used for each setting related to the presence or absence of the temperature rise completion trigger function.

HE: Temperature rise completion condition (Read only)

Data range: 0: Rise not complete

1: Rise completed

HD: Temperature rise completion range (Read and write)

Data range: 1 to 10 °C or 1 to 20 °F

HS: Temperature rise completion trigger (Read and write)

Data range: 0: Unused

1: Used

T3: Temperature rise completion soak time (Read and write)

Data range: 0 to 360 min.

Temperature rise completion condition, temperature rise completion trigger





and temperature rise completion range

Used when a temperature rise is assumed to be completed when the temperature set value (PV) is within the width set on both sides from the temperature set value (SV). The width from the temperature set value at this time becomes the temperature rise completion range, and thus the temperature rise completion condition can be checked by the output. "Used/Unused" of the temperature rise completion function can be selected depending on whether the temperature rise completion trigger.

If the function is set to two or more channels, the temperature rise is completed when the temperature rise in all the channels in which this function is set has been completed. In addition, even when the measured temperature is finally within the temperature rise completion range as a result of a temperature drop, if the measured temperature is first higher than the set temperature, this is determined to be in the temperature rise completion condition.

Temperature set value (SV)

PV2

PV1

Temperature rise completion trigger point (Rise completion)

Temperature rise completion range

−

IMSRM04-E8

Page 53

5. COMMUNICATION IDENTIFIERS

Temperature rise completion soak time





Time (min.) until the temperature rise completion state is output after all channels reach the temperature set value.

Temperature set value or Temperature rise completion range

Temperature rise start

(All channels simultaneously)

The a) channel has reached the temperature rise completion range.

The b) channel has reached the temperature rise completion range.

The c) channel has reached the temperature rise completion range.

Temperature rise completion is assumed for the first time after the soak time has elapsed.

For the allocation of the temperature rise completion condition output to the PCP module for DO output, see the separate Hardware Instruction Manual (IMSRM02-E).

Polling example (Temperature rise completion condition):

Soak time

edc

Temperature rise completion

Host computer sendHost computer send

E O T

Operation

panel

address

Unit

address

HEEN

Identifier

S TXHE0ET

Identifier

SR Mini SYSTEM send

Data

(1 digit)

A C K

Next to identifier

C C

* Omit the operation panel address when the connection is made directly to control unit.

IMSRM04-E8

Page 54

5. COMMUNICATION IDENTIFIERS

Polling example (Temperature rise completion range):

E O T

HDEN

Operation

panel

address

Unit

address

Identifier

TXHD01 5, 02 ...ET

Identifier

Channel

No.

Space

Data (6 digits)

SR Mini SYSTEM send

Channel

Comma

* Omit the operation panel address when the connection is made directly to control unit.

Selecting example (Temperature rise completion range):

No.

Host computer sendHost computer send

B C

Next to identifier

Host computer send Host computer send

E O T

S TXHD01 5, 02 ...ET

B C

E O T

Operation

panel

address

Unit

address

Identifier

Channel

No.

Space

Data (6 digits)

Comma

Channel

No.

SR Mini SYSTEM send

C K

* Omit the operation panel address when the connection is made directly to control unit.

Polling example (Temperature rise completion trigger):

Host computer send Host computer send

E O T

Operation

panel

address

Unit

address

HSEN

Identifier

Space

Comma

S TXHS01 0, 02 ...ET

Identifier

Channel

No.

SR Mini SYSTEM send

Data

(1 digit)

Channel

No.

A C K

Next to identifier

C C

* Omit the operation panel address when the connection is made directly to control unit.

Selecting example (Temperature rise completion trigger):

CommaSpace

Host computer send Host computer send

E O T

S TXHS0 1 0 , 0 2 ...ET

B C

E O T

Operation

panel

address

Unit

address

Identifier

Channel

No.

Data

(1 digit)

Channel

No.

SR Mini SYSTEM send

C K

* Omit the operation panel address when the connection is made directly to control unit.

IMSRM04-E8

Page 55

Polling example (Temperature rise completion soak time):

5. COMMUNICATION IDENTIFIERS

Host computer send

E O T

Operation

panel

address

Unit

address

T3EN

Identifier

S TXT3 0ET

Identifier

Data (6 digits)

SR Mini SYSTEM send

Host computer send

A C K

Next to identifier

* Omit the operation panel address when the connection is made directly to control unit.

Selecting example (Temperature rise completion soak time):

Host computer send

E O T

Operation

panel

address

Unit

address

S TXT3 0ET

Identifier

Data (6 digits)

SR Mini SYSTEM send

Host computer send

B C

E O

T A C K

* Omit the operation panel address when the connection is made directly to control unit.

The temperature rise completion function will be effective even if "Unused" is selected in the operation mode transfer for each channel on the operation mode screen. If the operation mode is selected as unused and if the temperature rise completion function is also required to be made invalid, set the above-mentioned temperature rise completion trigger selection to "None."

IMSRM04-E8

Page 56

5. COMMUNICATION IDENTIFIERS

Identifier ER: Error code

If the system abnormality occurs during operation or power on, error data is transmitted from the control unit or Operation Panel.

Error code data description

Data Description

0 Operations normal 1 Back-up data check error 2 RAM read/write error 3 System structure error 4 Internal communications error 5 A/D converter error 6 Adjustment data error

Polling example:

Host computer sendHost computer send

E O T

Operation

panel

address

Unit

address

EREN

Identifier

S TXER0ET

Identifier

SR Mini SYSTEM send

Data

(1 digit)

A C K

Next to identifier

C C

* Omit the operation panel address when the connection is made directly to control unit.

IMSRM04-E8

Page 57

5. COMMUNICATION IDENTIFIERS

Identifier G1: PID/AT transfer

Identifier which defines the transfer to either PID (Normal control) and AT (Autotuning) mode.

Data range: 0: PID control operation

1: Autotuning execution operation

Polling example:

Host computer send Host computer send

E O T

Operation

panel

address

Unit

address

G1EN

Identifier

CommaSpace

S TXG101 0, 02 ...ET

Identifier

Channel

No.

SR Mini SYSTEM send

Data

(1 digit)

Channel

No.

A C K

Next to identifier

C C

* Omit the operation panel address when the connection is made directly to control unit.

Selecting example:

CommaSpace

Host computer send Host computer send

E O T

S TXG1 0 1 0 , 0 2 ...ET

B C

E O T

Operation

panel

address

Unit

address

Identifier

Channel

No.

Data

(1 digit)

Channel

No.

SR Mini SYSTEM send

C K

* Omit the operation panel address when the connection is made directly to control unit.

IMSRM04-E8

Page 58

5. COMMUNICATION IDENTIFIERS

Autotuning conditions





Autotuning (AT) is the function which automatically measures, calculates and sets the optimum PID constants according to the set temperature. The following is the conditions necessary to carry out autotuning and the conditions which will cause the autotuning to stop.

Conditions necessary for autotuning:

The autotuning should be executed after satisfying all of the following conditions :

(1) Operation mode conditions:

z

Auto/Manual transfer (Identifier: J1): Auto mode

z

PID/AT transfer (Identifier: G1): PID mode

z

Control Run/Stop (Identifier: SR): Control Run mode

(2) The input value should not be an underscale or overscale displayed.

(3) The output limiter high limit should be more than 0.1% and the output limiter low limit should be

less than 99.9%. (Setting by Initialize set communication)

(4) When operation mode is set to "Normal."

When the autotuning is finished, the mode display of each channel automatically returns to "PID."

Conditions which will cause the autotuning to stop:

z

When the set value (SV) is changed.

z

When the memory area is changed.

z

When the PV bias value is changed.

z

When the AT bias value is changed.

z

When transfer to Manual mode using the Auto/Manual transfer.

z

When the input value becomes an underscale or overscale display.

z

When the power is cut off.

z

When "FAIL" occurs in the module whose channel is under the autotuning. Otherwise, when "FAIL" occurs in the PCP module.

z

When transfer to the PID mode by the PID/AT transfer.

z

When operation mode is set to "Normal."

z

When the Control Run/Stop function is changed to the "Control stop" function.

When the above-mentioned conditions to stop the autotuning occurs, the autotuning is immediately stopped and switch over to the PID (PID control) mode. The PID constants return to the values at the start of the autotuning.

IMSRM04-E8

Page 59

Identifier S1: Temperature set value

Identifier which defines the temperature set value.

Data range: Within input range (Within setting limiter)

Polling example:

E O T

Operation

panel

address

Unit

S1EN

Identifier

S TXS101 15.0,02 ...ET

Identifier

Channel

No.

Space

5. COMMUNICATION IDENTIFIERS

Data (6 digits)

Comma

SR Mini SYSTEM send

Channel

No.

Host computer sendHost computer send

B C

Next to identifier

A C K

* Omit the operation panel address when the connection is made directly to control unit

Selecting example:

Host computer send Host computer send

E O T

S TXS101 15. 0, 02 ...ET

B C

E O T

Operation

panel

address

Unit

address

Identifier

Channel

No.

Space

Data (6 digits)

Comma

Channel

No.

SR Mini SYSTEM send

C K

* Omit the operation panel address when the connection is made directly to control unit.

IMSRM04-E8

Page 60

5. COMMUNICATION IDENTIFIERS

Identifier P1: Heat-side proportional band Identifier P2: Cool-side proportional band Identifier I1: Integral time Identifier D1: Derivative time Identifier V1: Overlap/Deadband

Identifier which defines the temperature control parameter.

P1 : Heat-side proportional band, P2 : Cool-side proportional band

Data range: 0.1 to 1000.0 % of span

I1 : Integral time

Data range: 1 to 3600 sec.

D1 : Derivative time

Data range: 0 to 3600 sec.

V1 : Overlap/Deadband

Data range: -10.0 to +10.0 % of span

Polling example:

Host computer sendHost computer send

E O T

Operation

panel

address

Unit

address

Identifier

E N Q

S T X

Identifier

01 15.0,02 ...ET

Channel

No.

Space

Data (6 digits)

Comma

SR Mini SYSTEM send

Channel

No.

Next to identifier

A C

K B C

* Omit the operation panel address when the connection is made directly to control unit.

Selecting example:

Host computer send Host computer send

E O T

Operation

panel

address

Unit

S T X

Identifier

01 15. 0, 02 ...ET

Comma

Channel

No.

SR Mini SYSTEM send

Channel

No.

Space

Data (6 digits)

B C

E O

T A C K

* Omit the operation panel address when the connection is made directly to control unit.

IMSRM04-E8

Page 61

5. COMMUNICATION IDENTIFIERS

Identifier CA: Control response parameters

Identifier which defines the control response parameters.

Data range: 0: Slow

1: Medium 2: Fast

Polling example:

Host computer send Host computer send

E O T

Operation

panel

address

Unit

address

CAEN

Identifier

CommaSpace

S TXCA01 0, 02 ...ET

Identifier

Channel

No.

SR Mini SYSTEM send

Data

(1 digit)

Channel

No.

A C K

Next to identifier

C C

* Omit the operation panel address when the connection is made directly to control unit.

Selecting example:

CommaSpace

Host computer send Host computer send

E O T

S TXCA0 1 0 , 0 2 ...ET

B C

E O T

Operation

panel

address

Omit the operation panel address when the connection is made directly to control unit.

Unit

address

Identifier

Channel

No.

Data

(1 digit)

Channel

No.

SR Mini SYSTEM send

C K

In order to perform PID control by using the fussy function, specify "FAST." The fuzzy function is effective to restrict overshoot or undershoot occurring at operation start, or resulting from set value changes. (TIO-P module only)

IMSRM04-E8

Page 62

5. COMMUNICATION IDENTIFIERS

Identifier A1: First alarm set value Identifier A2: Second alarm set value

Identifier which defines each channel alarm set value.

Data range: Within input range or span range

Polling example:

E O T

Operation

panel

address

Unit

address

Identifier

E N Q

S T X

Identifier

01 50, 02 ...ET

Channel

No.

Data (6 digits)

Space

SR Mini SYSTEM send

Comma

Channel

No.

Host computer sendHost computer send

B C

Next to identifier

A C K

* Omit the operation panel address when the connection is made directly to control unit.

Selecting example:

Host computer send Host computer send

E O T

S T

01 50, 02 ...ET

B C

T A

Operation

panel

address

Unit

address

Identifier

Channel

No.

Space

Data (6 digits)

Comma

Channel

No.

SR Mini SYSTEM send

C K

* Omit the operation panel address when the connection is made directly to control unit.

IMSRM04-E8

Page 63

5. COMMUNICATION IDENTIFIERS

Identifier EI: Operation mode transfer

Changes each channel operation mode of TIO module.

[Data range]

0: Unused mode

If set to "Unused," no control, monitor or alarm monitor is performed. Use this when replacing the module, or during equipment maintenance and inspection.

1: Monitor mode

If set to "Monitor," only the operation relating to monitor is performed. (capture of measured value (PV)). No control or alarm monitor is performed. Use this when equipment operation is temporarily stopped.

2: Alarm mode

If set to "Alarm," monitor or alarm monitor is performed, but no normal mode to perform control, monitor or alarm monitor. No control is performed. Use this mode when stopping equipment operation temporarily.

3: Normal mode

Selected to normal mode to perform control, monitor or alarm monitor.

Polling example:

Host computer send Host computer send

E O T

Operation

panel

address

Unit

address

EIEN

Identifier

Space

Comma

S TXEI 01 3, 02 ...ET

Identifier

Channel

No.

SR Mini SYSTEM send

Data

(1 digit)

Channel

No.

A C K

Next to identifier

C C

* Omit the operation panel address when the connection is made directly to control unit.

Selecting example:

CommaSpace

Host computer send Host computer send

E O T

Operation

panel

address

S TXEI 0 1 3, 0 2 ...ET

Unit

Identifier

Channel

No.

Data

(1 digit)

Channel

No.

B C

E O

T A C K

SR Mini SYSTEM send

* Omit the operation panel address when the connection is made directly to control unit.

Even if the temperature rise completion function is set to the Unused mode, it will continue to be effective. If the temperature rise completion function is also to be made invalid, change the setting of the temperature rise completion trigger function to "No."

IMSRM04-E8

Page 64

5. COMMUNICATION IDENTIFIERS

Identifier T0: Heat-side proportioning cycle Identifier T1: Cool-side proportioning cycle

Identifier which defines the heat-side proportioning cycle and cool-side proportioning cycle.

Data range: 1 to 100 sec.

Setting will be invalid in continuous output of current and voltage. Cool-side proportioning cycle: Setting will be invalid in heat action.

Polling example:

E O T

Operation

panel

address

Unit

address

Identifier

E N Q

S T X

Identifier

01 20, 02 ...ET

Channel

No.

Space

Data (6 digits)

SR Mini SYSTEM send

Channel

No.

Comma

Host computer sendHost computer send

B C

Next to identifier

A C K

* Omit the operation panel address when the connection is made directly to control unit.

Selecting example:

Host computer send Host computer send

E O T

S T

01 20, 02 ...ET

B C

E O T

Operation

panel

address

Unit

address

Identifier

Channel

No.

Space

Data (6 digits)

Comma

Channel

No.

SR Mini SYSTEM send

C K

* Omit the operation panel address when the connection is made directly to control unit.

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5. COMMUNICATION IDENTIFIERS

Identifier PB: PV bias

Identifier which defines data to forcibly change (increase or decrease in displayed value) the measured value (PV).

The value set in the PV bias is added to the actual input value to correct the input value. The PV bias is used to correct the individual variations in the sensors or when there is difference between the measured values (PV) of other instruments.

Example: When the temperature is measured by two instruments.

When the measured values (PV) are as shown in the diagram :

Main unit = 198 °C Recorder = 200 °C

If a PV bias correction value of +2 °C is added to the measured

value the main unit, the displayed value become:

Displayed value = Measured value (PV) + PV bias =

198 °C + 2 °C = 200 °C

In this instrument, for a span of 400 °C, the PV bias should be set to:

PV bias = 0.5 % (400 °C × 0.5 % = 2 °C)

Main unit = 198 °C

Recorder = 200 °C

Data range: -5.00 to +5.00 % of span

Polling example:

Host computer sendHost computer send

E O T

Operation

panel

address

Unit

address

Identifier

E N Q

S T X

Identifier

01 0. 00, 02 ...ET

Channel

No.

Space

Data (6 digits)

Comma

SR Mini SYSTEM send

Channel

No.

Next to identifier

A C

K B C

* Omit the operation panel address when the connection is made directly to control unit.

Selecting example:

Host computer send Host computer send

E O T

Operation

panel

address

Unit

S T X

Identifier

01 0. 00, 02 ...ET

Comma

Channel

No.

SR Mini SYSTEM send

Channel

No.

Space

Data (6 digits)

B C

E O

T A C K

* Omit the operation panel address when the connection is made directly to control unit.

IMSRM04-E8

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5. COMMUNICATION IDENTIFIERS

Identifier SR: Control Run/Stop

Identifier which defines data to start or stop control.

Data range: 0: Stop

1: Run

Polling example:

E O T

Operation

panel

address

Unit

SREN

Identifier

S TXSR1ET

Identifier

SR Mini SYSTEM send

Data

(1 digit)

Host computer sendHost computer send

A C K

Next to identifier

* Omit the operation panel address when the connection is made directly to control unit.

Selecting example:

Host computer send

E O T

Operation

panel

address

Unit

address

S TXSR1ET

Identifier

Data

(1 digit)

SR Mini SYSTEM send

Host computer send

B C

A C K

E O T

* Omit the operation panel address when the connection is made directly to control unit.

If this identifier is changed to control stop, both control and alarm outputs are turned off.

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5. COMMUNICATION IDENTIFIERS

Identifier IN: Initialize setting mode

Identifier which defines data to select initialize mode (extended communication).

When you change to the initialize setting mode, the contents of the identifiers in the separate supplementary information can be changed or switched. For more details, see the supplementary information in this manual.

When the control is started, it is impossible to change the settings to the extended communications. For the change to the extended communications, the control must be first stopped by the control Run/Stop (Identifier: SR).

It is impossible to start the control in the extended communication mode. For the re-start of the control change to the normal communications mode beforehand.

Data range: 0: Normal communication

1: Extended communication

Polling example:

Host computer send

E O T

Operation

panel

address

Unit

address

INEN

Identifier

S TXIN0ET

Identifier

SR Mini SYSTEM send

Host computer send

B C

Data

(1 digit)

A C K

Next to identifier

* Omit the operation panel address when the connection is made directly to control unit.

Selecting example:

Host computer send

E O T

Operation

panel

address

Unit

address

S TXIN0ET

Identifier

Data

(1 digit)

SR Mini SYSTEM send

Host computer send

B C

A C K

E O T

* Omit the operation panel address when the connection is made directly to control unit.

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5. COMMUNICATION IDENTIFIERS

Identifier ZA: Memory area number

Identifier which defines the memory area number of the control unit. The memory area function is the function which stores the parameter values such as the set value (SV) etc. in up to 8 memories. When required, read in the appropriate 1 memory out of the 8 memories and to use its parameters for the control. The memory area which is used for the control is defined as control area.

The parameter values to be stored in one memory

Temperature set value: S1 Integral time: I1 First alarm set value: A1 Derivative time: D1 Second alarm set value: A2 Control response parameter: CA Heat-side proportional band: P1 Overlap/deadband: V1 Cool-side proportional band: P2

Data range: 1 to 8

Memory

Control area

Temperature set value: S1 First alarm set value: A1 Second alarm set value: A2 Heat-side proportional band: P1 Cool-side proportional band: P2 Integral time: I1 Derivative time: D1 Control response parameter: CA Overlap/deadband: V1

Polling example:

Host computer send

E O T

Operation

panel

address

Unit

address

ZAEN

Identifier

S TXZA1ET

Identifier

SR Mini SYSTEM send

Host computer send

B C

Data

(1 digit)

A C K

Next to identifier

* Omit the operation panel address when the connection is made directly to control unit.

Selecting example:

Host computer send

E O T

Operation

panel

address

Unit

address

S TXZA1ET

Identifier

Data

(1 digit)

SR Mini SYSTEM send

Host computer send

B C

A C K

E O T

* Omit the operation panel address when the connection is made directly to control unit.

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Page 69

Identifier AR: Alarm interlock release

Identifier which release the alarm interlock.

Data range: 1: Release (1 only)

Selecting example:

5. COMMUNICATION IDENTIRIERS

Host computer send

E O T

S TXAR1ET

Host computer send

B C

E O T

Operation

panel

address

Unit

address

Identifier

Data

(1 digit)

SR Mini SYSTEM send

C K

* Omit the operation panel address when the connection is made directly to control unit.

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5. COMMUNICATION IDENTIFIERS

Identifier J1: Auto/Manual transfer Identifier ON: Manual output value

Identifier which defines auto (Normal automatic control operation) or manual (Manual operation) transfer and control output value during manual operation. When you switch over to the manual mode, set the control output value with the manually output value (Identifier: ON).

J1: Auto/Manual transfer

Data range: 0: Auto

1: Manual

ON: Manual output value

Data range: -5.0 to +105.0 %

Polling example (Auto/Manual transfer):

Host computer send Host computer send

E O T

Operation

panel

address

Unit

address

J1EN

Identifier

CommaSpace

S TXJ101 0, 02 ...ET

Identifier

Channel

No.

SR Mini SYSTEM send

Data

(1 digit)

Channel

No.

A C K

Next to identifier

C C

* Omit the operation panel address when the connection is made directly to control unit.

Selecting example (Auto/Manual transfer):

CommaSpace

Host computer send Host computer send

E O T

Operation

panel

address

S TXJ101 0, 02 ...ET

Unit

Identifier

Channel

No.

Data

(1 digit)

Channel

No.

B C

E O

T A C K

SR Mini SYSTEM send

* Omit the operation panel address when the connection is made directly to control unit.

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5. COMMUNICATION IDENTIRIERS

Polling example (Manual output value):

Host computer sendHost computer send

E O T

ONEN

Operation

panel

address

Unit

address

Identifier

TXON01 0. 0, 02 ...ET

Identifier

Channel

No.

Space

Data (6 digits)

SR Mini SYSTEM send

Channel

No.

Comma

* Omit the operation panel address when the connection is made directly to control unit.

A C

K B C

Next to identifier

Selecting example (Manual output value):

Host computer send Host computer send

E O T

S TXON01 0. 0, 02 ...ET

B C

E O T

Operation

panel

address

Unit

address

Identifier

Channel

No.

Space

Data (6 digits)

Comma

Channel

No.

SR Mini SYSTEM send

C K

* Omit the operation panel address when the connection is made directly to control unit.

When ON/OFF control and heat/cool control are specified for the control unit, the manual output set value becomes invalid. At the same time, the Auto/Manual transfer of the operation mode changing will also become invalid.

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5. COMMUNICATION IDENTIFIERS

Identifier AP: LBA alarm condition

Read only memory which defines the LBA (Loop break alarm) state

Data range: 0: OFF

1: ON

Polling example:

Host computer send

E O T

Operation

panel

address

Unit

address

APEN

Identifier

Space

Comma

S TXAP01 0, 02 ...ET

Identifier

Channel

No.

SR Mini SYSTEM send

Data

(1 digit)

Channel

No.

Host computer send

A C K

Next to identifier

* Omit the operation panel address when the connection is made directly to control unit.

Identifier HP: LBA use selection Identifier C6: LBA time Identifier V2: LBA deadband

Identifier used to select used or unused of LBA and to set LBA.

HP: LBA use selection

Data range: 0: Unused

1: Used

C6: LBA time

Data range: 1 to 7200 sec.

V2: LBA deadband

Data range: Input span

Polling example (LBA use selection):

Host computer send

E O T

HPEN

Space

Comma

Operation

panel

address

Omit the operation panel address when the connection is made directly to control unit.

address

Unit

Identifier

TXHP01 1, 02 ...ET

Identifier

Channel

No.

SR Mini SYSTEM send

Data

(1 digit)

Channel

No.

Host computer send

A C K

Next to identifier

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5. COMMUNICATION IDENTIRIERS

Selecting example (LBA use selection):

CommaSpace

Host computer send Host computer send

E O T

S TXHP0 1 1 , 0 2 ...ET

B C

E O T

Operation

panel

address

Unit

address

Identifier

Channel

No.

Data

(1 digit)

Channel

No.

SR Mini SYSTEM send

C K

* Omit the operation panel address when the connection is made directly to control unit.

Polling example (LBA time, LBA deadband):

Host computer sendHost computer send

E O T

Operation

panel

address

Unit

address

Identifier

E N Q

S T X

Identifier

01 0. 0, 02 ...ET

Channel

No.

Space

Data (6 digits)

Comma

SR Mini SYSTEM send

Channel

No.

Next to identifier

K B C

* Omit the operation panel address when the connection is made directly to control unit.

Selecting example (LBA time, LBA deadband):

Host computer send Host computer send

E O T

Operation

panel

address

Unit

S T X

Identifier

01 0. 0, 02 ...ET

Comma

Channel

No.

SR Mini SYSTEM send

Channel

No.

Space

Data (6 digits)

B C

E O

T A C K

* Omit the operation panel address when the connection is made directly to control unit.

IMSRM04-E8

Page 74

5. COMMUNICATION IDENTIFIERS

Control loop break alarm (LBA) function





The LBA function detects the abnormality in the control loop such as the break of load (heater), the abnormality of external operating unit (magnet relay etc.), the break of input (sensors), etc. When the output reaches 100 % or 0 % (or output limiter low limit) the LBA function starts to monitor periodically the change of measured value (PV) at previously set time and detects the break of heater and input. For the TIO-K module (Position proportioning control), LBA functions with the opening value set to output.

(1) LBA alarm condition

For heat control

When output becomes less than 0 % (or output limiter low limit)

For

reverse

action

For

direct

action

The variation width determined by the LBA : Fixed 2 °C (°F)

For heat/cool control

For

heat/cool

control

When measured value (PV) does not fall below the variation width determined by the LBA within the LBA set time.

When measured value (PV) does not rise beyond the variation width determined by the LBA within the LBA set time.

When the output on the heat-side becomes more than 100 % (or output limiter high limit) and the output on the cool-side becomes less than 0 %

When measured value (PV) does not rise beyond the variation width deter-mined by the LBA within the LBA set time.

When output becomes more than 100 % (or output limiter high limit)

When measured value (PV) does not rise beyond the variation width determined by the LBA within the LBA set time.

When measured value (PV) does not fall below the variation width determined by the LBA within the LBA set time.

When the output on the heat-side becomes less than 0 % and the output on the cool-side becomes more than 100 % (or output limiter low limit)

When measured value (PV) does not fall below the variation width determined by the LBA within the LBA set time.

The variation width determined by the LBA : Fixed 2 °C (°F)

When autotuning is used, the LBA set time which is twice the integral time thus set is automatically set. (No LBA set time changes even if the integrated value is changed.)

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Page 75

(2) Detected errors

 

LBA output is turned on if any of the following errors are detected.

TIO

5. COMMUNICATION IDENTIRIERS

SV PV MV MV

gfec

Input circuit Computation Output circuit Actuator Controlled object

Error activating LBA function

Controlled object trouble .. Heater break, no power supply, incorrect wiring, etc.

Sensor trouble ................... Sensor disconnected, shorted, etc.

Actuator trouble ................ Weld relay contact, incorrect wiring, relay contact not closed, etc.

Output circuit trouble........ Weld internal relay contact, relay contact not open or closed, etc.

Input circuit trouble........... The measured value does not change even if input changes, etc.

However, the cause of the above trouble cannot be identified, so check the control system step by step.

(3) LBA deadband (LBD)

The LBA may enter the alarm condition due to a disturbance (Other heat sources, etc.) even if there is no error in the control system. In this case, an area in which no alarm occurs can be set by setting the LBA deadband (LBD). Set the LBD carefully because no alarm occurs even if alarm conditions occur while the measured value (PV) is within the LBD area.

LBD differential gap (0.8 °C)



Area in which non-alarm

Area in which alarm condition kept

Low High

1 At temperature rise: Area in which alarm condition is kept

At temperature fall : Area in which non-alarm condition is kept

2 At temperature rise: Area in which non-alarm condition is kept

At temperature fall : Area in which alarm condition is kept

condition is kept

LBD set valueSet value(SV)

Area in which alarm

condition is kept

LBA deadband

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5. COMMUNICATION IDENTIFIERS

(4) Precautions for LBA

zThe LBA function detects the occurrence of an error in the control loop, but cannot locate the error

point. Therefore in this case, check each control system in order.

zNo LBA function is activated in the following cases.

-While autotuning is being executed

-If operation mode is set to any mode other than "Normal."

zIf the LBA set time is shorter than anticipated or it does not match the controlled object, the LBA

may not turn on or off. In this case, change the LBA set time depending on the situation.

zLBA output turns off in the following cases with LBA output turned on.

-When measured value (PV) rises (or falls) beyond (or below) the variation width determined by

the LBA within the LBA set time.

-When measured value (PV) enters the LBA deadband

Identifier C1: Local/computer transfer

When the operation panel is located between the host computer and the control unit, this identifier which defines the settings by the operation panel (Local mode) or by the computer (Computer mode). Only valid when connected with the Operation Panel.

Data range: 0: Local mode

1: Computer mode

Polling example:

Host computer sendHost computer send

E O T

Operation

panel

address

C1EN

Identifier

S TXC1 0ET

Identifier

SR Mini SYSTEM send

Data

(1 digit)

* Omit the operation panel address when the connection is made directly to control unit.

n the computer mode, the host computer has the priority for the settings and all changes on the operation panel for the settings becomes invalid. (Except for the local/computer mode transfer setting.)

A C K

Next to identifier

C C

IMSRM04-E8

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6. TROUBLESHOOTING

6.1 Troubleshooting

WARNING

To prevent electric shock or instrument failure, always turn off the system

z

power before replacing the instrument.

To prevent electric shock or instrument failure, always turn off the power

z

before mounting or removing the instrument.

To prevent electric shock or instrument failure, do not turn on the power until

z

all the wiring is completed.

To prevent electric shock or instrument failure, do not touch the inside of the

z

instrument.

All wiring must be performed by authorized personnel with electrical

z

experience in this type of work.

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6. TROUBLESHOOTING

In this section, an explanation is given of the presumed causes and measures of general problems when transmission can not be carried out correctly. When abnormalities are suspected in the control, operation, operation panel or control unit (Hardware related problems), see the troubleshooting items in the appropriate separate Operation Panel Instruction Manual or Hardware Instruction Manual.

Symptom Presumed cause Solution

No response The control unit power is not turned on Turn on the power

There is a mistake in the communication cable

Confirm the connection method

connections

Breakage in the communication cable Replace the cable

Detachment of the communication cable Confirm the connection condition

Problems with the connectors or contacts Check and replace the wiring in the

connector

The communication speed or bit structure

Confirm each setting

settings are different

The address specification is different Confirm the address numbers

There is a difference in the structure of the transmission data

Change to a structure that matches the identifier

Breakdown of this instrument Replace the instrument or request

repairing

EOT has been

The identifier has been mistaken Confirm the identifier

transmitted

The identifier specified is not in this

Confirm the identifier

instrument specification

NAK has been transmitted

The block data length of the transmission exceeds 128 bytes

The data exceeds the setting range of this instrument

The data length exceeds the specification of this instrument

The identifier specified is not in the

Divide the block using ETB before sending it

Confirm the transmitting data range

Confirm the transmitting data length

Confirm the identifier

specification of this instrument

BCC error occurred Confirm transmitting data, Re-send

data

The transmission mode of the operation panel

Change to computer mode

is set to local mode

An error code

See 6.2 Error code descriptions (Identifier: ER) has been transmitted

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6. TROUBLESHOOTING

6.2 Error Code Descriptions (Identifier: ER)

When the following errors have occurred, replace or request repair for the controller in which the error has occurred. (The module that has the FAIL lamp lit.)

Error code data

Data Description Explanation

0 Operations normal

1 Back-up data check error The control data has been destroyed or written

wrongly

2 RAM read/write error Problem with the system RAM

3 System structure error The system structure has been changed

4 Internal communications error Abnormality in the internal communications

5 A/D converter error Problem with the A/D converter

6 Adjustment data error The adjustment data has been written wrongly

Presumed causes of occurrence:

a) When errors 1, 2 or 5 have occurred, a breakdown in the RAM, ROM or A/D converter should be

suspected.

b) Error 3 occurs when the module structure is different from the initial structure. An example would

be if a module is replaced by a different model of module. In this situation, replace with the same model of module. Further, this error will also occur when module initialize has not been carried out after changing the module structure.

c) Error 4 occurs in the situation where a module is removed while the power is still on, etc.

d) If errors 5 or 6 occur, there is a possibility that too much noise, surge or strong shock has been

applied to the control unit.

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7. ASCII CODE TABLE

ASCII 7-bit code table



b700001111

b600110011

b501010101

b5 to b7b4b3b2b1 01234567

00000NULDLE SP 0 @ P ‘ p

00011SOHDC1 ! 1 A Q a q

00102STXDC2 ” 2 B R b r

00113ETXDC3 # 3 C S c s

01004EOTDC4 $ 4 D T d t

01015ENQNAK % 5 E U e u

01106ACKSYM & 6 F V f v

01117BELETB ’ 7 G W g w

10008 BS CAN ( 8 H X h x

10019 HT EM ) 9 I Y i y

1010A LF SUB * : J Z j z

1011B VT ESC + ; K [ k {

1100C FF FS , < L ¥ l |

1101D CR GS - = M ] m }

1110E SO RS . > N ^ n ˜

1111F SI US / ? O _ o DEL

IMSRM04-E8

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The 1st edition: Aug. 1994 The 8th edition: Oct. 1999

Page 82

RKC INSTRUMENT INC.

HEADQUARTERS: 16-6, KUGAHARA 5-CHOME, OHTA-KU TOKYO 146-8515 JAPAN

PHONE: 03-3751-9799 (+81 3 3751 9799) E-mail: info@rkcinst.co.jp FAX: 03-3751-8585 (+81 3 3751 8585)

IMSRM04-E8 OCT.1999