Despatch Protocol 3 Modbus Communications User Manual

Modbus Programming Manual PREFACE

ULTRAFLEX DRYING AND FIRING FURNACE

MODELS 1000, 3615, 3630, 3640

C-204 VERSION 1

10/2008

Modbus User’s Programming Manual for Protocol 3™

E-106 PN 320813 VERSION 2 7/2012

Version 2 1

All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

PREFACE Modbus Programming Manual

Revision

Date

Author

Description

1

6/2012

Livingston

Original Release - Revised for Protocol 3 and formatting

2

7/2012

Livingston

Updated Register tables for new Protocol 3 Firmware release 2.0

2 Version 2

Revision History

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Modbus Programming Manual PREFACE Version 2 3

Table of Contents

1. About This Manual ............................................................................................................. 5

1.1. Important User Information ..................................................................................... 5

1.2. Manufacturer & Service .......................................................................................... 5

1.3. Organization of this Manual .................................................................................... 6

1.3.1. Reference Documents .......................................................................................... 6

1.4. Serial Communications ........................................................................................... 6

1.4.1. Supported Protocols ............................................................................................. 6

1.4.2. RS485 Configuration ........................................................................................... 6

1.4.3. RS485 Device Addressing ................................................................................... 7

1.4.4. Ethernet Configuration ........................................................................................ 7

1.4.5. Link Layer ........................................................................................................... 8

1.4.6. Supported Modbus Functions .............................................................................. 9

1.4.7. Function Descriptions .......................................................................................... 9

1.4.8. Data Formats ..................................................................................................... 12

2. Modbus Address List ........................................................................................................ 13

2.1. Input Parameters .................................................................................................... 13

2.1.1. Process Input Parameters ................................................................................... 13

2.1.2. High Limit Input Parameters ............................................................................. 14

2.1.3. Digital Inputs ..................................................................................................... 16

2.2. Output Parameters ................................................................................................. 16

2.2.1. Relay Output 1 Parameters ................................................................................ 16

2.2.2. Relay Output 2 Parameters ................................................................................ 17

2.2.3. Relay Output 3 Parameters ................................................................................ 18

2.2.4. Relay Output 4 Parameters ................................................................................ 18

2.2.5. Relay Output 5 Parameters ................................................................................ 19

2.2.6. Linear Output Parameters .................................................................................. 20

2.3. Setpoint Parameters ............................................................................................... 21

2.4. Control Parameters ................................................................................................ 22

2.5. Alarm Parameters .................................................................................................. 24

2.5.1. Alarm 1 .............................................................................................................. 24

2.5.2. Alarm 2 .............................................................................................................. 24

2.5.3. Alarm 3 .............................................................................................................. 25

2.5.4. Alarm 4 .............................................................................................................. 25

2.5.5. Alarm 5 .............................................................................................................. 26

2.5.6. High Limit Alarm Parameters ........................................................................... 26

2.6. Logger parameters (Data Logger) ......................................................................... 28

2.6.1. Data Recorder .................................................................................................... 28

2.6.2. Real Time Clock ................................................................................................ 28

2.7. Display Parameters ................................................................................................ 29

2.7.1. Keys ................................................................................................................... 29

2.7.2. LEDs .................................................................................................................. 29

2.7.3. HMI ................................................................................................................... 29

2.7.4. System Data ....................................................................................................... 30

2.8. Mode Controls ....................................................................................................... 32

2.8.1. General Mode Control ....................................................................................... 32

2.8.2. Manual Mode Parameters .................................................................................. 32

means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

PREFACE Modbus Programming Manual 4 Version 2

2.8.3. Timer Mode Parameters .................................................................................... 33

2.8.4. Profile Mode Parameters ................................................................................... 34

2.9. Uploading and Downloading of Profiles ............................................................... 35

2.9.1. Instruction Sequence to create a profile at the next available position .............. 36

2.9.2. Instruction Sequence to create a profile at a specified profile position ............. 36

2.9.3. Instruction Sequence to edit an existing Profile Header .................................... 37

2.9.4. Instruction Sequence to read a profile ............................................................... 37

2.9.5. Profile Command Code Descriptions ................................................................ 37

2.9.5.1. Creating a profile header (Command Code CP) ............................................ 37

2.9.5.2. Editing/Creating a profile header at a location (Command Code EP or WP) 39

2.9.5.3. Creating a Segment (Command Code WS) ................................................... 40

2.9.5.4. Editing or Inserting a Segment (Command Codes IS and ES) ...................... 41

2.9.5.5. Segment Info A, B Information ..................................................................... 42

2.9.5.6. Deleting Profiles (Command Code DP and DA) ........................................... 43

2.9.5.7. Deleting a Segment (Command Code DS) .................................................... 44

2.9.5.8. Getting the Number of Segments Remaining (Command Code SR) ............ 44

2.9.5.9. Edit Response Message ................................................................................. 45

2.9.5.10. Reading a Profile Header (Command Code RP) ........................................... 46

2.9.5.11. Read a Segment (Command Code RS) .......................................................... 47

2.9.5.12. Read a profile Name (Command Code PN) .................................................. 49

2.9.5.13. Read Profile Memory Status (Command Code PS) ...................................... 51

Figures

Figure 1. Modbus Link Layer. ......................................................................................................... 8

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Modbus Programming Manual ABOUT THIS MANUAL



Values displayed on screens are examples only. Though those values may be typical, contact Despatch Industries for the final value.

Version 2 5

1. About This Manual

1.1. Important User Information

All rights reserved. No part of the contents of this manual may be reproduced, copied, or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of the publisher, unless it is for the purchaser's personal use.

Printed and bound in the United States of America.

The information in this manual is subject to change without notice and does not represent a commitment on the part of Despatch Industries. Despatch Industries does not assume any responsibility for any errors that may appear in this manual.

In no event will Despatch Industries be liable for technical or editorial omissions made herein, nor for direct, indirect, special, incidental, or consequential damages resulting from the use or defect of this manual.

The information in this document is not intended to cover all possible conditions and situations that might occur. The end user must exercise caution and common sense when installing or maintaining Despatch Industries products. If any questions or problems arise, call Despatch Industries at 1-888-DESPATCH or 1-952-469-5424.

1.2. Manufacturer & Service

Despatch has specialized in thermal processing for over 100 years. Technical expertise gained over those years helps provide innovative solutions to critical applications in vertical markets and cutting edge technology worldwide. Despatch products are backed by a drive for long-term customer satisfaction and a strong sense of responsibility. The worldwide network of factorytrained Service Professionals is available to support your Despatch equipment. From full service preventive maintenance to routine repair and certified calibration and uniformity, the Despatch service network is positioned to respond to your business needs. Our service programs are customized to meet your specific needs using our Advantage Service Assurance Program (ASAP). For more information on ASAP, visit www.despatch.com.

All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

ABOUT THIS MANUAL Modbus Programming Manual

Global Headquarters

Contact

Service & Technical Support

Despatch Industries

8860 207th Street Lakeville, MN 55044 USA

International/Main: 1-952-469-5424 US toll free: 1-888-337-7282 Fax: 1-952-469-4513 info@despatch.com www.despatch.com

Service: 1-952-469-8230 US toll free: 1-800-473-7373 Service @despatch.com



This programming manual assumes an intermediate understanding of the Modbus Protocol. Only limited information is presented here regarding the Modbus Protocol specifications.

6 Version 2

1.3. Organization of this Manual

This document provides all application-specific information necessary for developing a Modbus Master application program for interfacing with the Protocol 3™ slave controller.

1.3.1. Reference Documents

The following Modbus Protocol documents should also be helpful and relevant: For a complete description of the Modbus protocol refer to the description provided at http://www.modicon.com/ or http://www.modbus.org/.

1.4. Serial Communications

1.4.1. Supported Protocols

The unit supports two communication interfaces Modbus RTU and Modbus TCP. Modbus RTU is supported through the RS485 interface and Modbus TCP is supported through the optional Ethernet Module.

For a complete description of the Modbus protocol refer to the description provided at

http://www.modbus.org/.

1.4.2. RS485 Configuration

The RS485 address, bit rate and character format are configured via the front panel from the Comms Configuration menu.

Physical layer configuration settings possible are:

Data rate: 4800, 9600, 19200, 38400, 57600 or 115200 bps Parity: None (default), Even, Odd

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Modbus Programming Manual ABOUT THIS MANUAL Version 2 7

Character format: Always 8 bits per character. Device Address: See below.

1.4.3. RS485 Device Addressing

The instrument must be assigned a unique device address in the range 1 to 255. This address is used to recognize Modbus Queries intended for this instrument. With the exception of globally addressed broadcast messages, the instrument ignores Modbus Queries that do not match the address that has been assigned to it.

The instrument will accept broadcast messages (global queries) using device address 0 no matter what device address is assigned. No response messages are returned for globally addressed Queries.

1.4.4. Ethernet Configuration

For Modbus TCP communications (Modbus over Ethernet), the IP address can either be assigned by a Dynamic Host Configuration Protocol (DHCP), BootP or AutoIP server on the network, or manually assigned using the IP address allocation software tool. The supported data rates 10/100BASE-T (10 or 100 Mbps) are automatically detected.

means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

ABOUT THIS MANUAL Modbus Programming Manual

MODBUS

SLAVE

QUERY

RESPONSE

Figure 1. Modbus Link Layer.

8 Version 2

1.4.5. Link Layer

A Query (or command) is transmitted from the Modbus Master to the Modbus Slave. The slave instrument assembles the reply to the master (see Figure 1).

MASTER

INSTRUMENT

A message for either a QUERY or RESPONSE is made up of an inter-message gap followed by a sequence of data characters. The inter-message gap is at least 3.5 data character times - the transmitter must not start transmission until 3 character times have elapsed since reception of the last character in a message, and must release the transmission line within 3 character times of the last character in a message.

Note:

Three character times is approximately 0.25ms at 115200 bps, 0.51ms at 57600 bps, 0.75ms at 38400 bps, 1.5ms at 19200 bps, 3ms at 9600 bps and 6ms at 4800bps.

Data is encoded for each character as binary data, transmitted LSB first. For a QUERY the address field contains the address of the slave destination. The slave address is

given together with the Function and Data fields by the Application layer. The CRC is generated from the given address, function and data characters.

For a RESPONSE the address field contains the address of the responding slave. The Function and Data fields are generated by the slave application. The CRC is generated from the address, function and data characters.

The standard MODBUS RTU CRC-16 calculation employing the polynomial 216+215+22+1 is used.

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Modbus Programming Manual ABOUT THIS MANUAL

Inter-message gap

Address 1 character

Function 1 character

Data n characters

CRC Check 2 characters

Function Code (decimal)

Modbus Meaning

Description

03 / 04

Read Holding/Input registers

Read current binary value of specified number of parameters at given address. Up to 64 parameters can be accessed with one Query.

06

Write Single Register

Writes two bytes to a specified word address.

08

Diagnostics

Used for loopback test only.

16 (0x10 hex)

Write Multiple Registers

Writes up to 253 bytes of data to the specified address range.

23 (0x17 hex)

Read/Write Multiple Registers

Reads and Writes 253 bytes of data to the specified address ranges.

QUERY

Function

Address of 1st Word

Number of Words

03 / 04

HI

LO

HI

LO

RESPONSE

Function

Number of Bytes

First Word

Last Word

03 / 04 HI

LO

HI

LO

Version 2 9

1.4.6. Supported Modbus Functions

Modbus defines several function types. The following types are supported by this instrument:

1.4.7. Function Descriptions

The following is interpreted from the Modbus Protocol Description obtainable from

http://www.modbus.org/. Refer to that document if clarification is required.

In the function descriptions below, the preceding device address value is assumed, as is the correctly formed two-byte CRC value at the end of the QUERY and RESPONSE frames.

Function 03 / 04 - Read Holding/Input Registers

Reads current binary value of data at the specified word addresses.

In the response the “Number of Bytes” indicates the number of data bytes read from the instrument. E.g. if 5 words are read, the count will be 10 (A hex). The maximum number of words that can be read is 64. If a parameter does not exist at one of the addresses read, then a value of 0000h is returned for that word.

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ABOUT THIS MANUAL Modbus Programming Manual

QUERY

Function

Address of Word

Value to write

06

HI

LO

HI

LO

RESPONSE

Function

Address of Word

Value written

06

HI

LO

HI

LO

QUERY

Function

Diagnostic Code

Value

08

HI =00

LO=00

HI

LO

RESPONSE

Function

Sub-function

Value

08

HI=00

LO=00

HI

LO

QUERY

Function

1st Write Address

Number of Words

to Write

Number of

Query Bytes

1st Query Byte

2nd Query

Byte

etc

Last Query Byte

10

HI

LO

HI

LO

→

RESPONSE

Function

1st Word Address

Number of Words

10

HI

LO

HI

LO

10 Version 2

Function 06 - Write Single Register Writes two bytes to a specified word address.

Note: The Response normally returns the same data as the Query.

Function 08 - Loopback Diagnostic Test

Note: The Response normally returns the same data as the loopback Query. Other Diagnostic Codes are not supported.

Function 16 - Write Multiple Registers (0x10 Hex)

Writes consecutive word (two-byte) values starting at the specified address.

Note: The number of data bytes that can be written in one message is 253 bytes.

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Modbus Programming Manual ABOUT THIS MANUAL

QUERY

Function

1st Read

Address

Number of

Words to

Read

1st Write

Address

Number of

Words to Write

Values to Write

1st Word

2nd Word

etc

Last Word

17

HI

LO

HI

LO

HI

LO

HI

LO

HI

LO

HI

LO → HI

LO

RESPONSE

Function

Number of Bytes

Read Data

1st Word

2nd Word

etc

Last Word

17

HI

LO

HI

LO → HI

LO

Exception Code

Error Condition

Interpretation

00

Unused

None.

01

Illegal function

Function number out of range.

02

Illegal Data Address

Write functions: Parameter number out of range or not supported. (for write functions only). Read Functions: Start parameter does not exist or end parameter greater than 65536.

03

Illegal Data Value

Attempt to write invalid data / required action not executed.

RESPONSE

Function

Exception Code

Original Function code with its Most Significant Bit (MSB) set.

as detailed above

Version 2 11

Function 23 Hex - Read / Write Multiple Registers (0x17 hex)

Reads and writes the requested number of consecutive words (two-bytes) starting at the specified addresses.

Note: The number of data bytes that can be read and written in one message is 253 bytes.

Exception Responses

When a QUERY is sent that the instrument cannot interpret, an Exception RESPONSE is returned. Possible exception responses are:

The format of an exception response is:

Note: In the case of multiple exception codes for a single QUERY the Exception code returned is the one corresponding to the first parameter in error.

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ABOUT THIS MANUAL Modbus Programming Manual

Calculating Parameter Register Addresses

Integer Only

Integer+1

Floating Point

Register Address Calculation

(hex)

Address

Address + 0x4000

Address x 2 + 0x8000

(dec)

Address

Address + 16384

Address x 2 + 32768

Address Example: (For Process Variable)

(hex)

0x0407

0x4407

0x880E

(dec)

1031

17415

34830

Data Value Returned: If actual Value = 23.9 decimal

(hex)

0x00, 0x17

0x00, 0xEF

0x41, 0xBF, 0x33, 0x33

(dec)

23

239

23.9 as floating decimal

Address Example: (For Selected Setpoint)

(hex)

0x101F

0x501F

0xA03E

(dec)

4127

20511

41022

Data Value Returned: If Value = 1 (Alternative SP)

(hex)

0x00, 0x01

0x00, 0x0A

0x3F, 0x80, 0x00, 0x00

(dec) 1 10

1.0

as floating decimal

12 Version 2

The Modbus parameter register addresses are detailed in the following sections. The Access column indicates if a parameter is read only (RO) or if it can also be written to (R/W).

Note: Some parameters that do not apply for a particular configuration will accept reads and writes. Read only parameters will return an exception if an attempt is made to write values to them.

1.4.8. Data Formats

Data can be read or written in three formats: Integer Only, Integer with 1 Decimal Place and Floating Point Number.

The Modbus Address column shows the register address for each parameter in integer format. Other formats can be calculated from the Integer Only address.

When working in Hexadecimal, the format calculations are: Address for Integer with 1 Decimal Place = Integer address plus 0x4000

Address for Floating Point = Integer address multiplied by 2, plus 0x8000

When working in Decimal, the format calculations are: Address for Integer with 1 Decimal Place = Integer address plus 16384

Address for Floating Point = Integer address multiplied by 2, plus 32768

Example Register Address Calculations

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ADDRESS LIST Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes

Input Range

1024

0x0400

R/W

Value

Range

0

B TC

2

C TC

4

D TC

6

E TC

8

J TC

10

K TC

12

L TC

14

N TC

16

R TC

18

S TC

20

T TC

22

P24

24

Pt100

26

NI120

28

0_20mA

29

4_20mA

30

0_50mV

31

10_50mV

32

0_5V

33

1_5V

34

0_10V

35

2_10V

Engineering units

1025

0x0401

R/W

0 = None 1 = Degrees C 2 = Degrees F

Decimal Place

1026

0x0402

R/W

0 = 1234 1 = 123.4 2 = 12.34 3 = 1.234

Process Input Range Minimum

1027

0x0403

R/W

Process Input Range Maximum

1028

0x0404

R/W

Process Input Process variable offset

1029

0x0405

R/W

Span of the input range Process Input

1030

0x0406

R/W

Any value between 0.0 and 512.0

13 Version 2

2. Modbus Address List

2.1. Input Parameters

2.1.1. Process Input Parameters

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ABOUT THIS MANUAL Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes Filter time constant

Process Input Process Variable

1031

0x0407

R

Process Input Sensor Break Flag

1032

0x0408

R

0 = Inactive 1 = Active

Process Input Under Range Flag

1033

0x0409

R

0 = Inactive 1 = Active

Process Input Over Range Flag

1034

0x040A

R

0 = Inactive 1 = Active

Process Input CJC Enable

1035

0x040B

R/W

0 = Enable 1 = Disabled

Process Input User Calibration Type

1085

0x043D

R/W

0 = No User Calibration 1 = Single Point Calibration 2 = Two Point Calibration

Process Input Low Temperature Calibration Point

1086

0x043E

R/W

Process Input Low Calibration Offset

1087

0x043F

R/W

Process Input High Temperature Calibration Point

1088

0x0440

R/W Process Input High Calibration Offset

1089

0x0441

R/W

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes

High Limit Input Range

9000

0x2328

R/W

Value

Range

0

B TC

2

C TC

4

D TC

6

J TC

10

K TC

14

L TC

18

N TC

20

R TC

14 Version 2

2.1.2. High Limit Input Parameters

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ADDRESS LIST Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes 22

S TC

24

T TC

28

P24

30

Pt100 RTD

34

0_20mA

35

4_20mA

36

0_50mV

37

10_50mV

38

0_5V

39

1_5V

40

0_10V

41

2_10V

High Limit Input Engineering units

9001

0x2329

R/W

0 = None 1 = Degrees C 2 = Degrees F

High Limit Input Decimal Place

9002

0x232C

R/W

0 = 1234 1 = 123.4 2 = 12.34 3 = 1.234

High Limit Input Range Minimum

9003

0x232A

R/W

High Limit Input Range Maximum

9004

0x232B

R/W

High Limit User Calibration Type

9008

0x2330

R/W

0 = No User Calibration 1 = Single Point Calibration 2 = Two Point Calibration

High Limit Input Process variable offset

9009

0x2331

R/W

Span of the input range

Process Input Low Calibration Offset

9010

0x2332

R/W

Process Input Low Temperature Calibration Point

9011

0x2333

R/W

Process Input High Calibration Offset

9012

0x2334

R/W

Process Input High Temperature Calibration Point

9013

0x2335

R/W High Limit Input

Process Variable

9006

0x232E

R High Limit Input

9007

0x232F

R

Bit 0 = OPEN

15 Version 2

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ABOUT THIS MANUAL Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes status

Bit 1 = Low Bit 2 = High

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes

Digital input states

2001

0x7D1

R

Bit Position

Digital input

0 1 1 2 2 3 3

4

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes

Usage

2146

0x0862

R/W

Value

Usage

0

None

1

Alarm 1

2

Alarm 2

3

Alarm 3

4

Alarm 4

5

Alarm 5

6

Event 1

7

Event 2

8

Event 3

9

Event 4

10

Event 5

11

Cycle Complete

12

Profile Running

13

Or of Alarms

14

Alarm and Events

Alarm Selection

2148

0x0864

R/W

Value

Selection

0

Alarm 1 or Alarm 2

1

Alarm 1 or Alarm 2 or Alarm 3

2

Alarm 1 or Alarm 2 or Alarm 3 or Alarm 4

16 Version 2

2.1.3. Digital Inputs

2.2. Output Parameters

2.2.1. Relay Output 1 Parameters

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ADDRESS LIST Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes

3

Alarm 1 or Alarm 2 or Alarm 3 or Alarm 4 or Alarm 5

Event Alarm Selection

2150

0x0866

R/W

Value

Selection

0

Alarm 1 or Event 1

1

Alarm 2 or Event 2

2

Alarm 3 or Event 3

3

Alarm 4 or Event 4

4

Alarm 5 or Event 5

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes

Usage

2176

0x0880

R/W

Value

Usage

0

None

1

Alarm 1

2

Alarm 2

3

Alarm 3

4

Alarm 4

5

Alarm 5

6

Event 1

7

Event 2

8

Event 3

9

Event 4

10

Event 5

11

Cycle Complete

12

Profile Running

13

Or of Alarms

14

Alarm and Events

Alarm Selection

2178

0x0882

R/W

Value

Selection

0

Alarm 1 or Alarm 2

1

Alarm 1 or Alarm 2 or Alarm 3

2

Alarm 1 or Alarm 2 or Alarm 3 or Alarm 4

3

Alarm 1 or Alarm 2 or Alarm 3 or Alarm 4 or Alarm 5

Event Alarm Selection

2180

0x0884

R/W

Value

Selection

0

Alarm 1 or Event 1

1

Alarm 2 or Event 2

2

Alarm 3 or Event 3

3

Alarm 4 or Event 4

4

Alarm 5 or Event 5

17 Version 2

2.2.2. Relay Output 2 Parameters

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ABOUT THIS MANUAL Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes

Usage

2186

0x088A

R/W

Value

Usage

0

None

1

Alarm 1

2

Alarm 2

3

Alarm 3

4

Alarm 4

5

Alarm 5

6

Event 1

7

Event 2

8

Event 3

9

Event 4

10

Event 5

11

Cycle Complete

12

Profile Running

13

Or of Alarms

14

Alarm and Events

Alarm Selection

2188

0x088C

R/W

Value

Selection

0

Alarm 1 or Alarm 2

1

Alarm 1 or Alarm 2 or Alarm 3

2

Alarm 1 or Alarm 2 or Alarm 3 or Alarm 4

3

Alarm 1 or Alarm 2 or Alarm 3 or Alarm 4 or Alarm 5

Event Alarm Selection

2190

0x088E

R/W

Value

Selection

0

Alarm 1 or Event 1

1

Alarm 2 or Event 2

2

Alarm 3 or Event 3

3

Alarm 4 or Event 4

4

Alarm 5 or Event 5

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes Usage

2205

0x89D

R/W

Value

Usage

0

None

18 Version 2

2.2.3. Relay Output 3 Parameters

2.2.4. Relay Output 4 Parameters

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ADDRESS LIST Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes

1

Alarm 1

2

Alarm 2

3

Alarm 3

4

Alarm 4

5

Alarm 5

6

Event 1

7

Event 2

8

Event 3

9

Event 4

10

Event 5

11

Cycle Complete

12

Profile Running

13

Or of Alarms

14

Alarm and Events

Alarm Selection

2207

0x089F

R/W

Value

Selection

0

Alarm 1 or Alarm 2

1

Alarm 1 or Alarm 2 or Alarm 3

2

Alarm 1 or Alarm 2 or Alarm 3 or Alarm 4

3

Alarm 1 or Alarm 2 or Alarm 3 or Alarm 4 or Alarm 5

Event Alarm Selection

2209

0x08A1

R/W

Value

Selection

0

Alarm 1 or Event 1

1

Alarm 2 or Event 2

2

Alarm 3 or Event 3

3

Alarm 4 or Event 4

4

Alarm 5 or Event 5

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes

Usage

2216

0x08A8

R/W

Value

Usage

0

None

1

Alarm 1

2

Alarm 2

3

Alarm 3

4

Alarm 4

5

Alarm 5

6

Event 1

7

Event 2

8

Event 3

9

Event 4

10

Event 5

19 Version 2

2.2.5. Relay Output 5 Parameters

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ABOUT THIS MANUAL Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes

11

Cycle Complete

12

Profile Running

13

Or of Alarms

14

Alarm and Events

Alarm Selection

2218

0x08AA

R/W

Value

Selection

0

Alarm 1 or Alarm 2

1

Alarm 1 or Alarm 2 or Alarm 3

2

Alarm 1 or Alarm 2 or Alarm 3 or Alarm 4

3

Alarm 1 or Alarm 2 or Alarm 3 or Alarm 4 or Alarm 5

Event Alarm Selection

2220

0x08AC

R/W

Value

Selection

0

Alarm 1 or Event 1

1

Alarm 2 or Event 2

2

Alarm 3 or Event 3

3

Alarm 4 or Event 4

4

Alarm 5 or Event 5

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes

Linear Output Usage

2144

0x0860

R/W

Value

Usage

0

None

1

Retransmit PV

2

Retransmit SP

3

Primary (Heat) Control Power

4

Cool Control Power (Only available on Heat Cool model)

Linear output range

2223

0x08AF

R/W

Value

Range

0

0 – 5V

1

0 – 10V

2

2 – 10V

3

0 – 20mA

4

4 – 20mA

Retransmit Minimum

2152

0x0868

R/W

Retransmit Maximum

2153

0x0869

R/W

20 Version 2

2.2.6. Linear Output Parameters

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ADDRESS LIST Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes Setpoint Minimum

3944

0x0F68

R/W

Limited by input range maximum/minimum

Setpoint Maximum

3945

0x0F69

R/W

Limited by input range maximum/minimum

Manual/Timer Mode Setpoint Value

3960

0x0F78

R/W

Limited by Setpoint maximum/minimum

21 Version 2

2.3. Setpoint Parameters

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ABOUT THIS MANUAL Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes Cycle time

4301

0x10CD

R/W

0.5 to 512.0

Control Type

4310

0x10D6

R/W

0 = Single (Heat Only) 1 = Dual (Heat/Cool) (Only available on Heat Cool Variant)

Control Action

4311

0x10D7

R/W

0 = Direct 1 = Reverse

Proportional Band 1

4312

0x10D8

R/W

0.0 to 999.9

Secondary (Cool) Proportional Band

4313

0x10D9

R/W

0.0 to 999.9 (Only available on Heat Cool Variant)

Integral/Reset

4314

0x10DA

R/W

0.0 to 5999

Derivative/Rate

4315

0x10DB

R/W

0.0 to 5999

Bias

4316

0x10DC

R/W

For single control 0 to 100, for Duel control -100 to 100

Overlap/DeadBand

4317

0x10DD

R/W

20% of the proportional band (Only available on Heat Cool Variant)

On/Off Differential

4320

0x10E0

R/W

0.1 to 100

Heat/Primary Power Upper limit

4321

0x10E1

R/W

10 to 100% Can not be made smaller than Heat/Primary Lower limit + 10

Heat/Primary Power Lower limit

4322

0x10E2

R/W

0 to 90% Can not be made larger than Heat/Primary Upper limit – 10

Cool/Secondary Power Upper limit

4323

0x10E3

R/W

10 to 100% Can not be made smaller than Cool/Secondary Lower limit + 10

Cool/Secondary Power Lower limit

4324

0x10E4

R/W

0 to 90% Can not be made larger than Cool/Secondary Upper limit – 10

Pretune Enable

4325

0x10E5

R/W

0 = Disabled 1 = Enabled

Self tune Enable

4326

0x10E6

R/W

0 = Disabled 1 = Enabled

Loop Alarm Type

4327

0x10E7

R/W

1 = Time 2 = Auto

Loop Alarm time

4328

0x10E8

R/W

1 to 5999

Primary Power

4329

0x10E9

R

0 to 100%

Pretune Status

4332

0x10EC

R

0 = Inactive 1 = Active

Self tune Status

4333

0x10ED

R

0 = Inactive 1 = Active

Loop Alarm status

4334

0x10EE

R

0 = Inactive 1 = Active

Preset Power

4335

0x10EF

R/W

0% to 100%

22 Version 2

2.4. Control Parameters

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ADDRESS LIST Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes Auto Pre-tune

4336

0x10F0

R/W

0 = Disabled 1 = Enabled

23 Version 2

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ABOUT THIS MANUAL Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes

Alarm Type

6144

0x1800

R/W

0 = High Alarm 1 = Low Alarm 2 = Deviation Alarm 3 = Band Alarm 4 = Loop Alarm 5 = Sensor Break Alarm

Alarm Value

6145

0x1801

R/W

Limited by the input range maximum and minimum for Alarm types 0 and 1. Limited by the span of the input range for alarm types 2 and 3. Not used for alarms 4 and 5.

Alarm Hysteresis

6146

0x1802

R/W

Limited by the span of the input range

Alarm inhibit

6147

0x1803

R/W

0 = Disabled 1 = Enabled

Alarm status

6148

0x1804

R

0 = Inactive 1 = Active

Alarm inhibit status

6149

0x1805

R

0 = Not inhibited 1 = Inhibited

Rate Minimum Time Alarm Value

6150

0x1806

R/W

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes

Alarm Type

6160

0x1810

R/W

0 = High Alarm 1 = Low Alarm 2 = Deviation Alarm 3 = Band Alarm 4 = Loop Alarm 5 = Sensor Break Alarm

Alarm Value

6161

0x1811

R/W

Limited by the input range maximum and minimum for Alarm types 0 and 1. Limited by the span of the input range for alarm types 2 and 3. Not used for alarms 4 and 5.

Alarm Hysteresis

6162

0x1812

R/W

Limited by the span of the input range

Alarm inhibit

6163

0x1813

R/W

0 = Disabled 1 = Enabled

Alarm status

6164

0x1814

R

0 = Inactive 1 = Active

24 Version 2

2.5. Alarm Parameters

2.5.1. Alarm 1

2.5.2. Alarm 2

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ADDRESS LIST Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes Alarm inhibit status

6165

0x1815

R

0 = Not inhibited 1 = Inhibited

Rate Minimum Time Alarm Value

6166

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes

Alarm Type

6176

0x1820

R/W

0 = High Alarm 1 = Low Alarm 2 = Deviation Alarm 3 = Band Alarm 4 = Loop Alarm 5 = Sensor Break Alarm

Alarm Value

6177

0x1821

R/W

Limited by the input range maximum and minimum for Alarm types 0 and 1. Limited by the span of the input range for alarm types 2 and 3. Not used for alarms 4 and 5.

Alarm Hysteresis

6178

0x1822

R/W

Limited by the span of the input range

Alarm inhibit

6179

0x1823

R/W

0 = Disabled 1 = Enabled

Alarm status

6180

0x1824

R

0 = Inactive 1 = Active

Alarm inhibit status

6181

0x1825

R

0 = Not inhibited 1 = Inhibited

Rate Minimum Time Alarm Value

6182

0x1826

R/W

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes

Alarm Type

6192

0x1830

R/W

0 = High Alarm 1 = Low Alarm 2 = Deviation Alarm 3 = Band Alarm 4 = Loop Alarm 5 = Sensor Break Alarm

Alarm Value

6193

0x1831

R/W

Limited by the input range maximum and minimum for Alarm types 0 and 1. Limited by the span of the input range for alarm types 2 and 3. Not used for

25 Version 2

2.5.3. Alarm 3

2.5.4. Alarm 4

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ABOUT THIS MANUAL Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes alarms 4 and 5.

Alarm Hysteresis

6194

0x1832

R/W

Limited by the span of the input range

Alarm inhibit

6195

0x1833

R/W

0 = Disabled 1 = Enabled

Alarm status

6196

0x1834

R

0 = Inactive 1 = Active

Alarm inhibit status

6197

0x1835

R

0 = Not inhibited 1 = Inhibited

Rate Minimum Time Alarm Value

6198

0x1836

R/W

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes

Alarm Type

6208

0x1840

R/W

0 = High Alarm 1 = Low Alarm 2 = Deviation Alarm 3 = Band Alarm 4 = Loop Alarm 5 = Sensor Break Alarm

Alarm Value

6209

0x1841

R/W

Limited by the input range maximum and minimum for Alarm types 0 and 1. Limited by the span of the input range for alarm types 2 and 3. Not used for alarms 4 and 5.

Alarm Hysteresis

6210

0x1842

R/W

Limited by the span of the input range

Alarm inhibit

6211

0x1843

R/W

0 = Disabled 1 = Enabled

Alarm status

6212

0x1844

R

0 = Inactive 1 = Active

Alarm inhibit status

6213

0x1845

R

0 = Not inhibited 1 = Inhibited

Rate Minimum Time Alarm Value

6214

0x1846

R/W

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes Alarm Value

9022

0x233E

R/W

26 Version 2

2.5.5. Alarm 5

2.5.6. High Limit Alarm Parameters

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ADDRESS LIST Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes Alarm Hysteresis

9023

0x233F

R/W

Limited by the span of the input range

Alarm status

9007

0x232F

R

0 = Inactive 1 = Active

27 Version 2

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ABOUT THIS MANUAL Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes

Log Interval

7550

0x1D7E

R/W

0 = Every second 1 = Every 2 seconds 2 = Every 5 seconds 3 = Every 10 seconds 4 = Every 15 seconds 5 = Every 30 seconds 6 = Every Minute 7 = Every 2 Minutes 8 = Every 5 Minutes 9 = Every 10 Minutes 10 = Every 15 Minutes 11 = Every 30 Minutes 12 = Every 60 Minutes

Log Mode

7551

0x1D7F

R/W

0 = Record until memory used 1 = Continues FIFO

Memory Remaining

7554

0x1D82

R

In Bytes Time Remaining

7555

0x1D83

R

In seconds

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes Date format

7868

0x1EBC

R

0 = dd/mm/yyyy (European Default) 1 = mm/dd/yyyy (USA Default)

Time

7869

0x1EBD

R/W

In seconds from midnight

Date

7870

0x1EBE

R/W

Day of the week

7872

0x1EC0

R/W

1 = Monday 2 = Tuesday 3 = Wednesday 4 = Thursday 5 = Friday 6 = Saturday 7 = Sunday

28 Version 2

2.6. Logger parameters (Data Logger)

2.6.1. Data Recorder

2.6.2. Real Time Clock

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ADDRESS LIST Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes Key State

7669

0x1DF5

R

Current state of the keys

Key Debounce

7670

0x1DF6

R/W

Not currently supported

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes LED 1 Label

7660

0x1DEC

R/W

LED 2 Label

7661

0x1DED

R/W

LED 3 Label

7662

0x1DEE

R/W

LED 4 Label

7663

0x1DEF

R/W

Backlight Colour

7668

0x1DF4

R/W

0 = Green to Red on Alarm 1 = Red to Green on Alarm 2 = Green 3 = Red

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes Language

7675

0x1DFB

R/W

0 = Downloaded Language 1 = English

LCD Contrast

7676

0x1DFC

R/W

0 to 100

Invert LCD

7677

0x1DFD

R/W

0 = Normal 1 = Inverted

Setup Lock Code

7678

0x1DFE

R/W

Default 10

Configuration Lock Code

7679

0x1DFF

R/W

Default 10 Tune Lock Code

7680

0x1E00

R/W

Default 10

USB Lock Code

7683

0x1E03

R/W

Default 10

Recorder Lock Code

7684

0x1E04

R/W

Default 10 Profile Lock Code

7682

0x1E02

R/W

Default 10

29 Version 2

2.7. Display Parameters

2.7.1. Keys

2.7.2. LEDs

2.7.3. HMI

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ABOUT THIS MANUAL Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes Serial number hi

210

0x00D2

R

Can only be set through diagnostics mode, Refer to document ENG2491

Serial number lo

211

0x00D3

R

Can only be set through diagnostics mode, Refer to document ENG2491

Serial number line

212

0x00D4

R

Can only be set through diagnostics mode, Refer to document ENG2491

Serial number qty

213

0x00D5

R

Can only be set through diagnostics mode, Refer to document ENG2491

Date of manufacture (Day)

370

0x0172

R

Can only be set through diagnostics mode, Refer to document ENG2491

Date of manufacture (Month)

371

0x0173

R

Can only be set through diagnostics mode, Refer to document ENG2491

Date of manufacture (Year)

372

0x0174

R

Can only be set through diagnostics mode, Refer to document ENG2491

Software PRL

208

0x00D0

R

Can only be set through diagnostics mode, Refer to document ENG2491

Hardware PRL

207

0x00CF

R

Can only be set through diagnostics mode, Refer to document ENG2491

Software version

201

0x00C9

R

Can only be set through diagnostics mode, Refer to document ENG2491

Hardware option

200

0x00C8

R

Can only be set through diagnostics mode, Refer to document ENG2491

Manufactures ID

216

0x00D8

R

Can only be set through diagnostics mode, Refer to document ENG2491

Unit ID

203

0x00CB

R

Should never be set by automatic test equipment

Version Major

217

0x00D9

R

Should never be set by automatic test equipment

Version Minor

218

0x00DA

R

Should never be set by automatic test equipment

OP Version

202

0x00CA

R

Should never be set by automatic test equipment

Sub Version

204

0x00CC

R

Should never be set by automatic test equipment

Software type

206

0x00CE

R

Should never be set by automatic test equipment

OEM Code hi

373

0x0175

R

Should never be set by automatic test equipment

OEM Code lo

374

0x0176

R

Should never be set by automatic test

30 Version 2

2.7.4. System Data

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ADDRESS LIST Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes equipment

Contact Details line 1

400

0x0190

R/W

26 characters of text

Contact Details line 2

401

0x0191

R/W

26 characters of text

Contact Details line 3

402

0x0192

R/W

26 characters of text

Contact Details line 4

403

0x0193

R/W

26 characters of text

Contact Details line 5

404

0x0194

R/W

26 characters of text

Contact Details line 6

405

0x0195

R/W

26 characters of text

Contact Details line 7

406

0x0196

R/W

26 characters of text

Communications Address

413

0x019D

R/W

Communications Baud rate

414

0x019E

R/W

Communications Parity

415

0x019F

R/W

31 Version 2

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ABOUT THIS MANUAL Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes

Mode Selection

8285

0x205D

R/W

0 = Do Nothing 1 = Manual Mode 2 = Timer Mode 3 = Profile Mode 4 = Mode Selection

Digital input Profile Selection control Enable

8273

0x2051

R/W

0 = HMI or Comms selection 1 = Digital input profile selection

Current Mode Selected

8280

0x2058

RO

0 = Mode Selection 1 = Configuration 2 = Manual 3 = Timer 4 = Profile

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes Manual Mode Recovery

8278

0x2056

R/W

0 = Control Off 1 = Recover to Mode

Manual Mode recovery Time

8279

0x2057

R/W

Value in seconds

Manual Mode Status

8281

0x2059

RO

0 = Mode Stopped 1 = Mode Running

Manual Mode Relay Status

2170

0x087A

RO

Bit 0 = Relay 1 Bit 1 = Relay 2 Bit 2 = Relay 3 Bit 3 = Relay 4 Bit 4 = Relay 5

Manual Mode Control

8283

0x205B

R/W

0 = Stop Manual Mode 1 = Start Manual Mode 3 = Waiting for Command

Manual Mode Control Setpoint

3960

0x0F78

R/W

Manual Mode Relay 1

8249

0x2039

R/W

0 = Off 1 = On

Manual Mode Relay 2

8250

0x203A

R/W

0 = Off 1 = On

Manual Mode Relay 3

8251

0x203B

R/W

0 = Off 1 = On

32 Version 2

2.8. Mode Controls

2.8.1. General Mode Control

2.8.2. Manual Mode Parameters

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ADDRESS LIST Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes Manual Mode Relay 4

8252

0x203C

R/W

0 = Off 1 = On

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes

Timer Mode Recovery

8275

0x2053

R/W

0 = Control Off 1 = Restart Timer 2 = Continue Timer

Timer Mode Recovery Time

8276

0x2054

R/W

Value in seconds

Timer Mode Auto Hold Value

8272

0x2050

R/W

Timer Mode Status

8282

0x205A

RO

0 = Mode Stopped 1 = Mode Running

Timer Mode Relay Status

2170

0x087A

RO

Bit 0 = Relay 1 Bit 1 = Relay 2 Bit 2 = Relay 3 Bit 3 = Relay 4 Bit 4 = Relay 5

Timer Mode Control

8284

0x205C

R/W

0 = Stop Timer 1 = Start Timer 3 = Waiting for Command

Timer Time

8270

0x204E

R/W

Time in seconds

Current Remaining Time of timer

8238

0x202E

RO

Value in seconds. The amount of time remaining for the active segment.

Timer Mode Control Setpoint

3960

0x0F78

R/W

Timer Mode Relay 1

8249

0x2039

R/W

0 = Off 1 = On

Timer Mode Relay 2

8250

0x203A

R/W

0 = Off 1 = On

Timer Mode Relay 3

8251

0x203B

R/W

0 = Off 1 = On

Timer Mode Relay 4

8252

0x203C

R/W

0 = Off 1 = On

33 Version 2

2.8.3. Timer Mode Parameters

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ABOUT THIS MANUAL Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes Currently Selected Profile

8243

0x2033

R/W

Value between 0 and 63

Currently Active Segment

8244

0x2034

RO

Value between 0 and 255 Current Setpoint

8256

0x2040

RO

Currently Running Segment Type

8258

0x2042

RO

0 = None 1 = Ramp Up 2 = Step 3 = Dwell 4 = Hold 5 = Loop 6 = Join 7 = End 8 = Ramp Down

Start Delay Time

8233

0x2029

RO

Value in seconds. The current start delay time remaining

Current Time of the active segment

8237

0x202D

RO

Value in seconds. The amount of time the segment has been running

Current Remaining Time of segment

8238

0x202E

RO

Value in seconds. The amount of time remaining for the active segment.

Current Time of the running Profile

8235

0x202B

RO

Value in seconds. The amount of time the profile has been running.

Current Remaining Profile Time

8236

0x202C

RO

Value in seconds. The amount of time remaining for the complete profile.

Total Hold Time

8239

0x202F

RO

Value in seconds. The total amount of time the profile has been held for.

Profile Mode Relay Status

2170

0x087A

RO

Bit 0 = Relay 1 Bit 1 = Relay 2 Bit 2 = Relay 3 Bit 3 = Relay 4 Bit 4 = Relay 5

Event 1 Status

8249

0x2039

RO

0 = Inactive 1 = Active

Event 2 Status

8250

0x203A

RO

0 = Inactive 1 = Active

Event 3 Status

8251

0x203B

RO

0 = Inactive 1 = Active

Event 4 Status

8252

0x203C

RO

0 = Inactive 1 = Active

Profile Selection

8243

0x2033

R/W

Value between 0 and 63 to select the profile to run

34 Version 2

2.8.4. Profile Mode Parameters

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ADDRESS LIST Modbus Programming Manual

Parameter Name

Modbus Address (Dec)

Modbus Address (Hex)

Access R/W

Notes

Profile Control

8245

0x2035

R/W

0 = Do Nothing 1 = Run the selected profile 2 = Hold the currently running profile 3 = Abort the currently running profile 4 = Jump to the next segment 5 = Release a held profile 6 = Exit the profile control once the profile has completed and is holding the last setpoint

Active Profile Name

8259

0x2043

R

The currently selected profile name

Profile Status

8241

0x2031

R

0 = Stopped 1 = Running 2 = Held 3 = Delayed 4 = Error 5 = Aborted 6 = Ended

Command Code

Value Decimal

Value Hex

Function

CP

17232

0x4350

Create Profile

EP

17744

0x4550

Edit Profile

WP

22352

0x5750

Write Profile

WS

22355

0x5753

Create Segment

IS

18771

0x4953

Insert Segment

ES

17747

0x4553

Edit a Segment

DP

17488

0x4450

Delete a Profile

DA

17473

0x4441

Delete all profiles

DS

17491

0x4453

Delete a Segment

SR

21330

0x5352

Get the number of segments remaining

RP

21072

0x5250

Read Profile Header

35 Version 2

2.9. Uploading and Downloading of Profiles

The information in this section is intended for advanced users writing their own software code. Most users will create or edit profiles using the instrument keypad or via BlueControl. Either method allows quick and easy editing of profiles.

Advanced users can setup or edit profiles by writing to the Profile Configuration parameter at address 8198 (0x2006). This can only be accessed by using Modbus function code 23 (0x17). The instrument replies with a status message.

When creating a new profile the steps below must be followed exactly, either to create a profile at the next available position, or at a position that you specify.

Each message in the sequence includes a 2 byte Command Code that tells the instrument the purpose of the message, and therefore the meaning of the data contained in it.

The command codes support by this instrument are:

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ADDRESS LIST Modbus Programming Manual

Command Code

Value Decimal

Value Hex

Function

RS

21075

0x5253

Read Segment

PN

20558

0x504E

Read Profile Name

PS

20563

0x5053

Read the profiler memory status

36 Version 2

The following rules apply when creating a profile over communications:

 Profiles must always be terminated with an end segment.  Segments cannot be added after an end segment has been added.  All changes made to the selected profile are immediately saved in the instrument.

2.9.1. Instruction Sequence to create a profile at the next available position

1. Create a profile by writing the profile header data using the Command Code value CP

(0x43, 0x50). This starts the profile creation process by reserving a profile memory slot. The profile number is returned by the instrument in the Edit Response Message.

2. Write the first segment using the Command Code value Code WS (0x57, 0x53). This

command will fill the next available segment position and link it to the profile created in step 1.

3. Write the second segment, again using Command Code WS. This fills the next available

segment position and links it to the segment created in step 2.

4. Continue writing segments until the profile is complete (whilst remaining within the

overall limit of 255 segments for all profiles combined). Each of these segments fills the next available position and links it to the previous segment specified.

5. The very last segment of the profile must be one of the end type segments. Thereafter, no

more segments can be added to the specified profile. To add a segment to an existing profile the insert segment command must be used.

2.9.2. Instruction Sequence to create a profile at a specified profile position

CAUTION:

If this profile number is already in use then the profile header data is overwritten but the segments associated with it are kept.

1. Determine which profile positions are being used by using the Command Code value PS

(0x50, 0x53). This command will return a list of all the profile positions currently being used.

2. Choose a location that is not being used and write the profile header data using the

Command Code value WP (0x57, 0x50). The profile number is echoed back by the instrument in the Edit Response Message.

3. Write the first segment using the Command Code value Code WS (0x57, 0x53). This

command will fill the next available segment position and link it to the profile created in step 1.

4. Write the second segment, again using Command Code WS. This fills the next available

segment position and links it to the segment created in step 2.

All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

Modbus Programming Manual ADDRESS LIST

Creating A Profile Header - Request (to instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Unit Address

A/R

The ID address of the instrument.

Function Code

23

17

Requires the multi read/write function.

Read Start Address High Byte

32

20

Read Start Address Low Byte

06

Read Quantity Of Registers High Byte

00

Read Quantity Of Registers Low Byte

01

Write Start Address High Byte

32

20

Write Start Address Low Byte

06

Write Quantity Of Registers High Byte

00

Write Quantity Of Registers Low Byte

20

14

Byte Count

40

28

38dec / 0x26hex creating a profile at the next available location.

Command Code High Byte

67

43

Create Profile (CP) = 17232dec / 0x4350hex Command Code Low Byte

80

50

Profile Name Character 1

A/R

The ASCII codes equivalent to each of the Profile Name Character 2

A/R

Version 2 37

5. Continue writing segments until the profile is complete (whilst remaining within the

overall limit of 255 segments for all profiles combined). Each of these segments fills the next available position and links it to the previous segment specified.

6. The very last segment of the profile must be one of the end type segments. Thereafter, no

more segments can be added to the specified profile. To add a segment to an existing profile the insert segment command must be used.

2.9.3. Instruction Sequence to edit an existing Profile Header

When a profile header is changed, the segments associated with it remain unchanged. They must be edited separately if required.

1. Determine the number of the profile to be edited. Use the Command Code value PS

(0x50, 0x53) which returns a list of all profile positions/numbers currently in use.

2. Write a new profile header data using the Command Code value EP (0x45, 0x50).

The profile number is echoed back by the instrument in the Edit Response Message.

2.9.4. Instruction Sequence to read a profile

1. Use the command RP to read the profile header data

2. Use the command RS to read the 1st segment’s data

3. Use the command RS to read the 2nd segment’s data.

4. Repeat steps 2 and 3 until an end segment is reached.

2.9.5. Profile Command Code Descriptions

2.9.5.1. Creating a profile header (Command Code CP)

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ADDRESS LIST Modbus Programming Manual

Creating A Profile Header - Request (to instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Profile Name Character 3

A/R

16 characters of the profile name, e.g. : A = 65dec / 0x41, B = 66dec / 0x42 etc

a = 97dec / 0x61, b = 98dec / 0x62 etc

Note: Only valid characters from the instruments supported character set should be used

The space character (32dec / 0x20hex) is used to fill any unused characters at the end of the name.

Characters 9 to 16 are not supported and should be written to 32dec / 0x20hex

Profile Name Character 4

A/R

Profile Name Character 5

A/R

Profile Name Character 6

A/R

Profile Name Character 7

A/R

Profile Name Character 8

A/R

Profile Name Character 9

32

20

Profile Name Character 10

32

20

Profile Name Character 11

32

20

Profile Name Character 12

32

20

Profile Name Character 13

32

20

Profile Name Character 14

32

20

Profile Name Character 15

32

20

Profile Name Character 16

32

20

Profile Start Signal High Byte

00

0 = No delay, 1 = After delay, 2 = At Time/day

Profile Start Signal Low Byte

A/R

Profile Start Time (Byte 4 - High)

Floating point number

Profile Start Time (Byte 3)

Profile Start Time (Byte 2)

Profile Start Time (Byte 1 - Low)

Profile Start Day High Byte

00

1 = Monday, 2 = Tuesday, 3 = Wednesday, 4 = Thursday, 5 = Friday, 6 = Saturday, 7 = Sunday, 8 = Monday to Friday, 9 = Monday to Saturday, 10 = Saturday And Sunday, 11= All Week

Profile Start Day Low Byte

A/R

Profile Starting Setpoint High

00

1 = Current Process Variable Value Profile Starting Setpoint Low

01

Profile Recovery High Byte

00

0 = Control to off, 1 = Restart profile, 2 = Maintain last profile setpoint, 4 = Continue profile from where it was when power failed

Profile Recovery Low Byte

A/R

Profile Recovery Time (Byte 4 - high)

Floating point number

Profile Recovery Time (Byte 3)

Profile Recovery Time (Byte 2)

Profile Recovery Time (Byte 1 - Low)

Profile Abort action High Byte

00

0 = Control to off 1 = Maintain last profile setpoint

Profile Abort Action Low Byte

A/R

Profile Cycles High Byte

A/R

1 to 9999 or 10,000 for “Infinite” Profile Cycles Low Byte

A/R

Profile Tracks High Byte

00

Always set to 1 Profile Tracks Low Byte

01

CRC High Byte

A/R

CRC Low Byte

A/R

38 Version 2

The instrument replies to this message with an Edit Response Message Section 2.9.5.9.

All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

Modbus Programming Manual ADDRESS LIST

Creating Or Editing A Profile Header at a specific location - Request (to instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Unit Address

A/R

The ID address of the instrument.

Function Code

23

17

Requires the multi read/write function.

Read Start Address High Byte

32

20

Read Start Address Low Byte

06

Read Quantity Of Registers High Byte

00

Read Quantity Of Registers Low Byte

01

Write Start Address High Byte

32

20

Write Start Address Low Byte

06

Write Quantity Of Registers High Byte

00

Write Quantity Of Registers Low Byte

21

15

Byte Count

42

2A

42dec / 0x2Ahex if creating a profile at a specified location, or editing a profile.

Command Code High Byte

69 or 87

45 or 57

Edit Profile (EP) = 17744dec / 0x4550hex Write Profile (WP) = 23352dec / 0x5750hex

Command Code Low Byte

80

50

Profile Number High Byte

A/R

The profile number can be anything between 0 and 64

Profile Number Low Byte

A/R

Profile Name Character 1

A/R

The ASCII codes equivalent to each of the 16 characters of the profile name, e.g. :

A = 65dec / 0x41, B = 66dec / 0x42 etc a = 97dec / 0x61, b = 98dec / 0x62 etc

Note: Only valid characters from the instruments supported character set should be used

The space character (32dec / 0x20hex) is used to fill any unused characters at the end of the name

Characters 9 to 16 are not supported and should be written to 32dec / 0x20hex

. Profile Name Character 2

A/R

Profile Name Character 3

A/R

Profile Name Character 4

A/R

Profile Name Character 5

A/R

Profile Name Character 6

A/R

Profile Name Character 7

A/R

Profile Name Character 8

A/R

Profile Name Character 9

32

20

Profile Name Character 10

32

20

Profile Name Character 11

32

20

Profile Name Character 12

32

20

Profile Name Character 13

32

20

Profile Name Character 14

32

20

Profile Name Character 15

32

20

Profile Name Character 16

32

20

Profile Start Signal High Byte

00

0 = No delay, 1 = After delay, 2 = At Time/day

Profile Start Signal Low Byte

A/R

Profile Start Time (Byte 4 - High)

Floating point number

Profile Start Time (Byte 3)

Profile Start Time (Byte 2)

Profile Start Time (Byte 1 - Low)

Profile Start Day High Byte

00

1 = Monday, 2 = Tuesday, 3 = Wednesday, 4 = Thursday, 5 = Friday, 6 = Saturday, 7 = Sunday, 8 = Monday to Friday, 9 = Monday to Saturday, 10 = Saturday And Sunday, 11= All Week

Profile Start Day Low Byte

A/R

Profile Starting Setpoint High

00

1 = Current Process Variable Value

Version 2 39

2.9.5.2. Editing/Creating a profile header at a location (Command Code EP or WP)

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ADDRESS LIST Modbus Programming Manual

Creating Or Editing A Profile Header at a specific location - Request (to instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Profile Starting Setpoint Low

01

Profile Recovery High Byte

00

0 = Control to off, 1 = Restart profile, 2 = Maintain last profile setpoint, 4 = Continue profile from where it was when power failed

Profile Recovery Low Byte

A/R

Profile Recovery Time (Byte 4 - high)

Floating point number

Profile Recovery Time (Byte 3)

Profile Recovery Time (Byte 2)

Profile Recovery Time (Byte 1 - Low)

Profile Abort action High Byte

00

0 = Control to off 1 = Maintain last profile setpoint

Profile Abort Action Low Byte

A/R

Profile Cycles High Byte

A/R

1 to 9999 or 10,000 for “Infinite” Profile Cycles Low Byte

A/R

CRC High Byte

A/R

CRC Low Byte

A/R

Creating Segments - Request (to instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Unit Address

A/R

The ID address of the instrument.

Function Code

23

17

Requires the multi read/write function.

Read Start Address High Byte

32

20

Read Start Address Low Byte

06

Read Quantity Of Registers High

00

Read Quantity Of Registers Low

01

Write Start Address High

32

20

Write Start Address Low

06

Write Quantity Of Registers High

00

Write Quantity Of Registers Low

11

0B

Create Segment (WS) = 11dec / 0x0Bhex

Byte Count

22

16

Create Segment (WS) = 22dec / 0x16hex

Command Code High Byte

87

57

Create Segment (WS) = 22355dec / 0x5753hex

Command Code Low Byte

83

53

Profile Number High Byte

A/R

The profile number can be anything between 0 and 64

Profile Number Low Byte

A/R

Segment Type High Byte

00

0 = Ramp Time, 1 = Ramp Rate, 2 = Step, 3 = Dwell, 4 = Hold, 5 = Loop 6 = Join, 7 = End, 8 = Repeat sequence then end

Segment Type Low Byte

A/R

Segment Info A (Byte 4 - High)

Floating point number

The meaning of the data contained in Segment Info A depends on the type of segment it relates to. See section 12.5.5.

Segment Info A (Byte 3)

Segment Info A (Byte 2)

40 Version 2

The instrument replies to this message with an Edit Response Message Section 2.9.5.9.

2.9.5.3. Creating a Segment (Command Code WS)

Creating new segments is only possible when a new profile is being created (see above for instruction for creating a profile at the next available position, or at a position that you specify). An error is returned if the correct sequence is not followed.

All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

Modbus Programming Manual ADDRESS LIST

Creating Segments - Request (to instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Segment Info A (Byte 1 - Low)

Segment Info B (Byte 4 - High)

Floating point number

The meaning of the data contained in Segment Info B depends on the type of segment it relates to. See section 12.5.5.

Segment Info B (Byte 3)

Segment Info B (Byte 2)

Segment Info B (Byte 1 - Low)

Auto Hold Type High Byte

A/R

0 = Auto-Hold Off, 1 = Hold above SP, 2 = Hold below SP,3 - Hold above and below SP

Auto Hold Type Low Byte

A/R

Auto Hold Value (Byte 4 - High)

Floating point number

Auto Hold Value (Byte 3)

Auto Hold Value (Byte 2)

Auto Hold Value (Byte 1 - Low)

Events High Byte

00

The status of the five events are defined by the lowest 5 bits of the low byte. A bit value of 1 signifies the event is on. Bit 0 = event 1, bit 1 = event 2, bit 3 = event 4 and bit 5 = event 4.

Events Low Byte

A/R

CRC High Byte

A/R

CRC Low Byte

A/R

Editing or Inserting Segments - Request (to instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Unit Address

A/R

The ID address of the instrument.

Function Code

23

17

Requires the multi read/write function.

Read Start Address High Byte

32

20

Read Start Address Low Byte

06

Read Quantity Of Registers High

00

Read Quantity Of Registers Low

01

Write Start Address High

32

20

Write Start Address Low

06

Write Quantity Of Registers High

00

Write Quantity Of Registers Low

12

0C

Byte Count

24

18

Command Code High Byte

73 or 69

49 or 45

Insert Segment (IS) = 73dec / 0x4953hex Edit A Segment (ES) = 69dec / 0x4553hex

Command Code Low Byte

83

53

Version 2 41

The instrument replies to this message with an Edit Response Message Section 2.9.5.9.

2.9.5.4. Editing or Inserting a Segment (Command Codes IS and ES)

The Insert Segment command is used to add segments to an existing profile (one that already has an end segment). This inserts a new segment at the position specified. The Edit Segment command is used to alter segments of an existing profile. The segment number is in relation to the profile number, e.g. to edit or insert a segment at position 3 of profile 1 the segment number will be 3, and to edit or insert a segment at position 3 of profile 6 the segment number will also be 3.

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ADDRESS LIST Modbus Programming Manual

Editing or Inserting Segments - Request (to instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Profile Number High Byte

A/R

The profile number can be anything between 0 and 64

Profile Number Low Byte

A/R

Segment Position High Byte

A/R

The segment number to edit or insert at Segment Position Low Byte

A/R

Segment Type High Byte

00

0 = Ramp Time, 1 = Ramp Rate, 2 = Step, 3 = Dwell, 4 = Hold, 5 = Loop 6 = Join, 7 = End, 8 = Repeat sequence then end

Segment Type Low Byte

A/R

Segment Info A (Byte 4 - High)

Floating point number

The meaning of the data contained in Segment Info A depends on the type of segment it relates to. See section 12.5.5.

Segment Info A (Byte 3)

Segment Info A (Byte 2)

Segment Info A (Byte 1 - Low)

Segment Info B (Byte 4 - High)

Floating point number

The meaning of the data contained in Segment Info B depends on the type of segment it relates to. See section 12.5.5.

Segment Info B (Byte 3)

Segment Info B (Byte 2)

Segment Info B (Byte 1 - Low)

Auto Hold Type High Byte

A/R

0 = Auto-Hold Off, 1 = Hold above SP, 2 = Hold below SP, 3 - Hold above and below SP

Auto Hold Type Low Byte

A/R

Auto Hold Value (Byte 4 - High)

Floating point number

Auto Hold Value (Byte 3)

Auto Hold Value (Byte 2)

Auto Hold Value (Byte 1 - Low)

Events High Byte

00

The status of the five events are defined by the lowest 5 bits of the low byte. A bit value of 1 signifies the event is on. Bit 0 = event 1, bit 1 = event 2, bit 3 = event 4 and bit 5 = event 4.

Events Low Byte

A/R

CRC High Byte

A/R

CRC Low Byte

A/R

Segment Type

Segment Info

Description

A

B

Ramp Time

Time (seconds)

Target setpoint

Ramp to the target setpoint “B” in the time “A”

Ramp Rate

Ramp rate

Target setpoint

Ramp to the target setpoint “B” at the ramp rate “A”

Step

Null

Target setpoint

Step to a target setpoint “B”

Dwell

Dwell time (seconds)

Null

Stay at the current setpoint for a period of time “A”

Hold

0 = Operator

Null

Wait for the operator to release the hold

42 Version 2

The instrument replies to this message with an Edit Response Message Section 2.9.5.9.

2.9.5.5. Segment Info A, B Information

The Segment Data is included in the command message when creating, editing or inserting segments (see above). It is provided in two parts (Segment Info A and B). The meaning of the data contained in Segment Info A and B depends on the type of segment it relates to. Null is shown for unused data, these data values should be set to zero when writing the segment data.

All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

Modbus Programming Manual ADDRESS LIST

Segment Type

Segment Info

Description

A

B

1 = Time of day

Start Time

Wait until time of the day “B” in seconds since

midnight.

Loop

Number of times to repeat 1 to 9999

Segment number

Loop to the specified segment number “B” from this point. Repeat this “A” times. Only segments below the

current segment can be entered. Two loops must not cross each other.

Join

Null

Profile number

On completion of this profile jump run profile “B”

End

0 = Control off

Null

Turn off all control outputs.

1 = Maintain profile setpoint

Null

Stay at the final setpoint of the profile

2 = Control off with events

Null

Turn off the outputs but maintain the events.

Repeat Sequence Then End

0 = Outputs off

Number of times to repeat sequence

Repeat the profile sequence number “B” times, then

turn off the control outputs

1 = Maintain profile setpoint

Repeat the profile sequence number “B” times, then

hold the last profile setpoint.

2 = Control off with events

Turn off the outputs but maintain the events.

Delete Profiles - Request (to instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Unit Address

A/R

The ID address of the instrument.

Function Code

23

17

Requires the multi read/write function

Read Start Address High Byte

32

20

Read Start Address Low Byte

06

Read Quantity Of Registers High

00

Read Quantity Of Registers Low

01

Write Start Address High

32

20

Write Start Address Low

06

Write Quantity Of Registers High

00

Write Quantity Of Registers Low

02 or 01

Delete A Profile (DP) = 02dec / 0x02hex Delete All Profiles (DA) = 01dec / 0x01hex

Byte Count

04 or 02

Delete A Profile (DP) = 04dec / 0x04hex Delete All Profiles (DA) = 02dec / 0x02hex

Command Code High Byte

68

44

Delete A Profile (DP) = 17488dec / 0x4450hex Delete All Profiles (DA) = 17473dec / 0x4441hex

Command Code Low Byte

80 or 65

50 or 41

Profile Number High Byte

A/R

Note: The profile number is not included in the message when deleting all profiles.

Profile Number Low Byte

A/R

CRC High Byte

A/R

CRC Low Byte

A/R

Version 2 43

2.9.5.6. Deleting Profiles (Command Code DP and DA)

An individual profile can be deleted, or all profiles can be cleared with a single message. Deleting a profile removes the header of the specified profile and any segments associated with it. Delete all profiles wipes all profiles and segments from the instrument.

The instrument replies to this message with an Edit Response Message Section 2.9.5.9.

All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

ADDRESS LIST Modbus Programming Manual

Delete A Segment - Request (to instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Unit Address

A/R

The ID address of the instrument

Function Code

23

17

Requires the multi read/write function

Read Start Address High Byte

32

20

Read Start Address Low Byte

06

Read Quantity Of Registers High

00

Read Quantity Of Registers Low

01

Write Start Address High

32

20

Write Start Address Low

06

Write Quantity Of Registers High

00

Write Quantity Of Registers Low

03

Byte Count

06

Command Code High Byte

68

44

Command Code Low Byte

83

53

Profile Number High Byte

A/R

Number of the profile that the segment wants to be deleted from

Profile Number Low Byte

A/R

Segment Number High Byte

A/R

Number of the segment that wants to be deleted

Segment Number Low Byte

A/R

CRC High Byte

A/R

CRC Low Byte

A/R

Get Segments Remaining - Request (to instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Unit Address

A/R

The ID address of the instrument as required

Function Code

23

17

Requires the multi read/write function

Read Start Address High Byte

32

20

Read Start Address Low Byte

06

Read Quantity Of Registers High

00

Read Quantity Of Registers Low

01

Write Start Address High

32

20

Write Start Address Low

06

Write Quantity Of Registers High

00

Write Quantity Of Registers Low

01

Byte Count

02

44 Version 2

2.9.5.7. Deleting a Segment (Command Code DS)

The delete segment command deletes the specified segment from the specified profile. The following segments are moved up one place in the profile (e.g. if segment 6 is deleted segment 7 now becomes segment 6).

The instrument replies to this message with an Edit Response Message Section 2.9.5.9.

2.9.5.8. Getting the Number of Segments Remaining (Command Code SR)

Returns the number of unused segments remaining in the instrument. The number will be between 0 and 255, depending on how many have been used in the profiles so far created.

All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

Modbus Programming Manual ADDRESS LIST

Get Segments Remaining - Request (to instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Command Code High Byte

83

53

Command Code Low Byte

82

52

CRC High Byte

A/R

CRC Low Byte

A/R

Edit Response Message - Response (from instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Unit Address

A/R

The ID address of the instrument

Function Code

23

17

The multi read/write function

Byte Count

02

Command Response High Byte

A/R

Two data bytes containing the Command Response data (see below)

Command Response Low Byte

A/R

CRC High Byte

A/R

CRC Low Byte

A/R

Command Response Name

Two Byte Response

Description

Low Byte

High Byte

Profile Number

A/R

The number of the profile created or edited

Segments Remaining

A/R

The number of unused segments remaining

Command Successfully

0x4F

0x4B

The command requested executed without error

Command Not Recognized

0xFF

The command is not recognized

Profile Number Invalid

0xF0

0x00

The profile number specified is not available.

Profile Name Invalid

0xF0

0x01

The profile name/characters are not valid

Start Signal Invalid

0xF0

0x02

The start signal is not recognized

Start Time Invalid

0xF0

0x03

The specified time is not within range

Start Day Invalid

0xF0

0x04

The specified day is not recognized

Starting Setpoint Invalid

0xF0

0x05

The specified starting setpoint is not recognized

Profile Recovery Invalid

0xF0

0x06

The profile recovery is not recognized

Recovery Time Invalid

0xF0

0x07

The recovery time is not within limits

Abort Action Invalid

0xF0

0x08

The abort action is not recognized

Profile Cycles Invalid

0xF0

0x09

The number of profile cycles is not within limits

Segment Number Invalid

0xF0

0x0A

The segment number is not valid for this profile

Segment Type Invalid

0xF0

0x0B

The segment type is not recognized

Segment Info A Invalid

0xF0

0x0C

The segment information A not valid for segment type defined

Segment Info B Invalid

0xF0

0x0D

The segment information B is not valid for the segment

Version 2 45

2.9.5.9. Edit Response Message

The instrument replies to each profile or segment creation, edit or delete message with an Edit Response Message. The same format is used when replying to the Get Segments Remaining request.

Command Response Data

The data contained in the Edit Response Message returned after each profile or segment edit message is shown below. The data seen can be an error code, the number of unused segments or the profile number following a successful profile header creation/edit. The error code shown will be as appropriate for the request message and instrument status.

All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

ADDRESS LIST Modbus Programming Manual

Command Response Name

Two Byte Response

Description

type defined

Auto Hold Type Invalid

0xF0

0x0E

The auto hold type is not recognized

Auto Hold Value Invalid

0xF0

0x0F

The auto hold value is not within input span

Events Value Invalid

0xF0

0x10

The events are not within range

No Segments Remaining

0xF0

0x11

There are no more segments available

Write Length Invalid

0xF0

0x12

The number of parameters to be written are invalid for the function requested

Segment Setpoint Clamped

0xF0

0x13

The setpoint value entered was out of bounds. It has been clamped within the units setpoint limits.

Read A Profile Header - Request (to instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Unit Address

A/R

The ID address of the instrument

Function Code

23

17

Requires the multi read/write function

Read Start Address High Byte

32

20

Read Start Address Low Byte

06

Read Quantity Of Registers High Byte

00

Read Quantity Of Registers Low Byte

18

12

Write Start Address High Byte

32

20

Write Start Address Low Byte

06

Write Quantity Of Registers High Byte

00

Write Quantity Of Registers Low Byte

02

Byte Count

04

Command Code High Byte

82

52

Command Code Low Byte

80

50

Profile Number High Byte

A/R

Number of the profile to read Profile Number Low Byte

A/R

CRC High Byte

A/R

CRC Low Byte

A/R

Read Profile Header - Response (from instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Unit Address

A/R

The ID address of the instrument

Function Code

23

17

The multi read/write function

Byte Count

36

24

Profile Name Character 1

A/R

The ASCII codes equivalent to each of the 16 characters of the profile name, e.g. :

A = 65dec / 0x41, B = 66dec / 0x42 etc a = 97dec / 0x61, b = 98dec / 0x62

The space character (32dec / 0x20hex) is Profile Name Character 2

A/R

Profile Name Character 3

A/R

Profile Name Character 4

A/R

Profile Name Character 5

A/R

Profile Name Character 6

A/R

46 Version 2

2.9.5.10. Reading a Profile Header (Command Code RP)

The instrument replies to the Read A Profile Header request as follows:

All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

Modbus Programming Manual ADDRESS LIST

Read Profile Header - Response (from instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Profile Name Character 7

A/R

used to fill any unused characters at the end of the name.

Characters 9 to 16 are not used so can be ignored.

Profile Name Character 8

A/R

Profile Name Character 9

32

20

Profile Name Character 10

32

20

Profile Name Character 11

32

20

Profile Name Character 12

32

20

Profile Name Character 13

32

20

Profile Name Character 14

32

20

Profile Name Character 15

32

20

Profile Name Character 16

32

20

Profile Start Signal High Byte

00

0 = No delay, 1 = After delay, 2 = At Time/day

Profile Start Signal Low Byte

A/R

Profile Start Time (Byte 4 - High)

Floating point number

Profile Start Time (Byte 3)

Profile Start Time (Byte 2)

Profile Start Time (Byte 1 - Low)

Profile Start Day High Byte

00

1 = Monday, 2 = Tuesday, 3 = Wednesday, 4 = Thursday, 5 = Friday, 6 = Saturday, 7 = Sunday, 8 = Monday to Friday, 9 = Monday to Saturday, 10 = Saturday And Sunday, 11= All Week

Profile Start Day Low Byte

A/R

Profile Starting Setpoint High

00

1 = Current Process Variable Value Profile Starting Setpoint Low

A/R

Profile Recovery High Byte

00

0 = Control to off, 1 = Restart profile, 2 = Maintain last profile setpoint, 4 = Continue profile from where it was when power failed

Profile Recovery Low Byte

A/R

Profile Recovery Time (Byte 4 - high)

Floating point number

Profile Recovery Time (Byte 3)

Profile Recovery Time (Byte 2)

Profile Recovery Time (Byte 1 - Low)

Profile Abort action High Byte

00

0 = Control to off 1 = Maintain last profile setpoint

Profile Abort Action Low Byte

A/R

Profile Cycles High Byte

A/R

1 to 9999 or 10,000 for “Infinite” Profile Cycles Low Byte

A/R

CRC High Byte

A/R

CRC Low Byte

A/R

Read A Segment - Request (to instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Unit Address

A/R

The ID address of the instrument

Function Code

23

17

Requires the multi read/write function

Read Start Address High Byte

32

20

Read Start Address Low Byte

06

Version 2 47

2.9.5.11. Read a Segment (Command Code RS)

All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

ADDRESS LIST Modbus Programming Manual

Read A Segment - Request (to instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Read Quantity Of Registers High Byte

00

Read Quantity Of Registers Low Byte

11

0B

Write Start Address High Byte

32

20

Write Start Address Low Byte

06

Write Quantity Of Registers High Byte

00

Write Quantity Of Registers Low Byte

03

Byte Count

06

Command Code High Byte

82

52

Command Code Low Byte

83

53

Profile Number High Byte

A/R

Number of the profile to read Profile Number Low Byte

A/R

Segment Number High Byte

A/R

Number of the segment to read Segment Number Low Byte

A/R

CRC High Byte

A/R

CRC Low Byte

A/R

Read A Segment - Response (from instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Unit Address

A/R

The ID address of the instrument

Function Code

23

17

The multi read/write function

Byte Count

02

18

Command Response High Byte

82

52

Command Response Low Byte

83

53

Profile Number High Byte

A/R

Echo of the profile number requested Profile Number Low Byte

A/R

Segment Number High Byte

A/R

Echo of the segment number requested Segment Number Low Byte

A/R

Segment Type High Byte

00

0 = Ramp Time, 1 = Ramp Rate, 2 = Step, 3 = Dwell, 4 = Hold, 5 = Loop 6 = Join, 7 = End, 8 = Repeat sequence then end

Segment Type Low Byte

A/R

Segment Info A (Byte 4 - High)

Floating point number

The meaning of the data contained in Segment Info A depends on the type of segment it relates to. See below.

Segment Info A (Byte 3)

Segment Info A (Byte 2)

Segment Info A (Byte 1 - Low)

Segment Info B (Byte 4 - High)

Floating point number

The meaning of the data contained in Segment Info B depends on the type of segment it relates to. See below.

Segment Info B (Byte 3)

Segment Info B (Byte 2)

Segment Info B (Byte 1 - Low)

Auto Hold Type High Byte

A/R

0 = Auto-Hold Off, 1 = Hold above SP, 2 = Hold below SP,3 - Hold above and below SP

Auto Hold Type Low Byte

A/R

48 Version 2

The instrument replies to the Read A Segment request as follows:

All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

Modbus Programming Manual ADDRESS LIST

Read A Segment - Response (from instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Auto Hold Value (Byte 4 - High)

Floating point number

Auto Hold Value (Byte 3)

Auto Hold Value (Byte 2)

Auto Hold Value (Byte 1 - Low)

Events High Byte

00

The status of the five events are defined by the lowest 5 bits of the low byte. A bit value of 1 signifies the event is on. Bit 0 = event 1, bit 1 = event 2, bit 3 = event 4 and bit 5 = event 4.

Events Low Byte

A/R

CRC High Byte

A/R

CRC Low Byte

A/R

Segment Type

Segment Info

Description

A

B

Ramp Time

Time (in seconds)

Target setpoint

Ramp to the target setpoint “B” in the time “A”

Ramp Rate

Ramp rate

Target setpoint

Ramp to the target setpoint “B” at the ramp rate “A”

Step

Null

Target setpoint

Step to a target setpoint “B”

Dwell

Dwell time (in seconds)

Null

Stay at the current setpoint for a period of time “A”

Hold

0 = Operator

Null

Wait for the operator to release the hold

1 = Time of day

Start Time

Wait until time of the day “B” in seconds since

midnight.

Loop

Number of times to repeat 1 to 9999

Segment number

Loop to the specified segment number “B” from this

point. Repeat this “A” times. Only segments below the

current segment can be entered. Two loops must not cross each other.

Join

Null

Profile number

On completion of this profile jump run profile “B”

End

0 = Control off

Null

Turn off all control outputs.

1 = Maintain profile setpoint

Null

Stay at the final setpoint of the profile

2 = Control off with events

Null

Turn off the outputs but maintain the events.

Repeat Sequence Then End

0 = Outputs off

Number of times to repeat sequence

Repeat the profile sequence number “B” times, then

turn off the control outputs

1 = Maintain profile setpoint

Repeat the profile sequence number “B” times, then

hold the last profile setpoint.

2 = Control off with events

Turn off the outputs but maintain the events.

Version 2 49

Segment Data

The Segment Data is included in the response to a Read Segment request. It is provided in two parts (Segment Info A and B). The meaning of the data contained in Segment Info A and B depends on the type of segment it relates to. Null is shown for unused data, this can be any value.

2.9.5.12. Read a profile Name (Command Code PN)

This command returns the name of the profile defined by the profile number requested.

All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

ADDRESS LIST Modbus Programming Manual

Read Profile Name - Request (to instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Unit Address

A/R

The ID address of the instrument

Function Code

23

17

Requires the multi read/write function

Read Start Address High Byte

32

20

Read Start Address Low Byte

06

Read Quantity Of Registers High Byte

00

Read Quantity Of Registers Low Byte

08

Write Start Address High Byte

32

20

Write Start Address Low Byte

06

Write Quantity Of Registers High Byte

00

Write Quantity Of Registers Low Byte

02

Byte Count

04

Command Code High Byte

80

50

Command Code Low Byte

78

4E

Profile Number High Byte

A/R

Number of the profile to read Profile Number Low Byte

A/R

CRC High Byte

A/R

CRC Low Byte

A/R

Read Profile Name - Response (from instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Unit Address

A/R

The ID address of the instrument

Function Code

23

17

The multi read/write function

Byte Count

16

10

Profile Name Character 1

A/R

The ASCII codes equivalent to each of the 16 characters of the profile name, e.g. :

A = 65dec / 0x41, B = 66dec / 0x42 etc a = 97dec / 0x61, b = 98dec / 0x62

The space character (32dec / 0x20hex) is used to fill any unused characters at the end of the name.

Characters 9 to 16 are not used so can be ignored.

Profile Name Character 2

A/R

Profile Name Character 3

A/R

Profile Name Character 4

A/R

Profile Name Character 5

A/R

Profile Name Character 6

A/R

Profile Name Character 7

A/R

Profile Name Character 8

A/R

Profile Name Character 9

32

20

Profile Name Character 10

32

20

Profile Name Character 11

32

20

Profile Name Character 12

32

20

Profile Name Character 13

32

20

Profile Name Character 14

32

20

Profile Name Character 15

32

20

Profile Name Character 16

32

20

CRC High Byte

A/R

CRC Low Byte

A/R

50 Version 2

The instrument replies to the Read Profile Name request as follows:

All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

Modbus Programming Manual ADDRESS LIST

Read Profile Memory Status - Request (to instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Unit Address

A/R

The ID address of the instrument

Function Code

23

17

Requires the multi read/write function

Read Start Address High Byte

32

20

Read Start Address Low Byte

06

Read Quantity Of Registers High Byte

00

Read Quantity Of Registers Low Byte

32

20

Write Start Address High Byte

32

20

Write Start Address Low Byte

06

Write Quantity Of Registers High Byte

00

Write Quantity Of Registers Low Byte

01

Byte Count

02

Command Code High Byte

80

50

Command Code Low Byte

83

53

CRC High Byte

A/R

CRC Low Byte

A/R

Read Profile Memory Status - Response (from instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Unit Address

A/R

The ID address of the instrument

Function Code

23

17

The multi read/write function

Byte Count

64

40

Profile 1 Position

0 or 1

For each of the 64 possible profile positions, a value of 0 is returned if the position is free, or 1 if the position is empty.

Profile 2 Position

0 or 1

etc…..

Profile 63 Position

0 or 1

Profile 64 Position

0 or 1

CRC High Byte

A/R

CRC Low Byte

A/R

Version 2 51

2.9.5.13. Read Profile Memory Status (Command Code PS)

This command returns the status of the profile memory used. The response to this command is to return a table of all the profile numbers that are in use. A value of 0x00 indicates that the profile position is free and value of 0x01 indicates that the position is used by a profile. Using this command in conjunction with the read profile name command will give a directory of profile numbers to profile names.

The instrument replies to the Read Profile Memory Status request as follows:

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ADDRESS LIST Modbus Programming Manual

52 Version 2

All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

Despatch Protocol 3 Modbus Communications User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

1. About This Manual

1.1. Important User Information

1.2. Manufacturer & Service

1.3. Organization of this Manual

1.3.1. Reference Documents

1.4. Serial Communications

1.4.1. Supported Protocols

1.4.2. RS485 Configuration

1.4.3. RS485 Device Addressing

1.4.4. Ethernet Configuration

1.4.5. Link Layer

1.4.6. Supported Modbus Functions

1.4.7. Function Descriptions

1.4.8. Data Formats

2. Modbus Address List

2.1. Input Parameters

2.1.1. Process Input Parameters

2.1.2. High Limit Input Parameters

2.1.3. Digital Inputs

2.2. Output Parameters

2.2.1. Relay Output 1 Parameters

2.2.2. Relay Output 2 Parameters

2.2.3. Relay Output 3 Parameters

2.2.4. Relay Output 4 Parameters

2.2.5. Relay Output 5 Parameters

2.2.6. Linear Output Parameters

2.3. Setpoint Parameters

2.4. Control Parameters

2.5. Alarm Parameters

2.5.1. Alarm 1

2.5.2. Alarm 2

2.5.3. Alarm 3

2.5.4. Alarm 4

2.5.5. Alarm 5

2.5.6. High Limit Alarm Parameters

2.6. Logger parameters (Data Logger)

2.6.1. Data Recorder

2.6.2. Real Time Clock

2.7. Display Parameters

2.7.1. Keys

2.7.2. LEDs

2.7.3. HMI

2.7.4. System Data

2.8. Mode Controls

2.8.1. General Mode Control

2.8.2. Manual Mode Parameters

2.8.3. Timer Mode Parameters

2.8.4. Profile Mode Parameters

2.9. Uploading and Downloading of Profiles

2.9.1. Instruction Sequence to create a profile at the next available position

2.9.2. Instruction Sequence to create a profile at a specified profile position

2.9.3. Instruction Sequence to edit an existing Profile Header

2.9.4. Instruction Sequence to read a profile

2.9.5. Profile Command Code Descriptions

2.9.5.1. Creating a profile header (Command Code CP)

2.9.5.2. Editing/Creating a profile header at a location (Command Code EP or WP)

2.9.5.3. Creating a Segment (Command Code WS)

2.9.5.4. Editing or Inserting a Segment (Command Codes IS and ES)

2.9.5.5. Segment Info A, B Information

2.9.5.6. Deleting Profiles (Command Code DP and DA)

2.9.5.7. Deleting a Segment (Command Code DS)

2.9.5.8. Getting the Number of Segments Remaining (Command Code SR)

2.9.5.9. Edit Response Message

2.9.5.10. Reading a Profile Header (Command Code RP)

2.9.5.11. Read a Segment (Command Code RS)

2.9.5.12. Read a profile Name (Command Code PN)

2.9.5.13. Read Profile Memory Status (Command Code PS)