ABB COMMANDER 300 Operating Instructions Manual
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ABB COMMANDER 300 Operating Instructions Manual

Universal process controller serial data communication supplement
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COMMANDER 300
Universal
Process Controller
Operating Instructions
Serial Data Communication
Supplement
C O M M A N D E R 3 0
4 7 . 5
5 0 . 0
0

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Summary of Contents for ABB COMMANDER 300

  • Page 1 COMMANDER 300 Operating Instructions Universal Serial Data Communication Process Controller Supplement C O M M A N D E R 3 0 4 7 . 5 5 0 . 0...
  • Page 2 St Neots, U.K. – Cert. No. Q5907 As a part of ABB, a world leader in process automation technology, we offer Stonehouse, U.K. – Cert. No. FM 21106 customers application expertise, service and support worldwide.

  • Page 3: Table Of Contents

    CONTENTS Section Page 1 INTRODUCTION ........2 2 PREPARATION ........2 Company Standard Settings ..2 3 INSTALLATION ........3 Serial Communication Adaptors for Personal Computers ....3 4 ELECTRICAL CONNECTIONS ... 3 Serial Connections ...... 3 5 SETTING UP ........4 Termination Resistors ....

  • Page 4: Introduction

    1 INTRODUCTION 2 PREPARATION The C300 Series of controllers is extended The procedure is similar to that described in addition serial data the Operating Instructions (IM/C300) with communication option which allows additions as detailed in this section. addressing reprogramming computer terminal or host computer. 2.1 Company Standard Settings The RS422/485 communication standard is Only those parameters detailed on the...

  • Page 5: Installation

    3 INSTALLATION 4 ELECTRICAL CONNECTIONS Observe the limitations outlined in the All connections, apart from those for serial Operating Instructions (IM/C300). data communication, are made as shown in maximum serial data transmission line Table 4.2 in the Operating Instructions length for both RS422 and RS485 systems is (IM/C300).

  • Page 6: Setting Up

    Operating Instructions (IM/ computer) slave (C300 Controller) C300). Unless otherwise requested, the systems. This is the recommended protocol instrument despatched with such as ABB for use with supervisory systems transmission rate 9600 baud Kent-Taylor PC30. The Protocol is: transmission line termination resistors linked-out.

  • Page 7: Programming

    7 PROGRAMMING The general programming procedure is as detailed in the Operating Instructions (IM/C300) but with an additional page between the Serial Data Retransmission Output Scale pages – see Fig. 7.1. Adjustment rEtrAN SErIAL SCALE OUtPUt PAGE AdJUSt BAUd 9600 IdEnt PArItY Fig.

  • Page 8: Communication

    COMMUNICATION Communication 8.2 Command Format Between Master and Slaves – Figs. 8.1 to 8.3 The commands from the master are coded The protocol is based on ANSI-X3.28-1976- as single characters as follows: 2.5-A4. Entries are made directly from the host computer using the command format R –...
  • Page 9 8 COMMUNICATION… …8.2 Command Format Instrument Identification Mnemonic (01 to 99) (Section 8.6) Start Command Limiter (optional) Fig. 8.1 'Read' Command Format Instrument Identification Mnemonic (01 to 99) (Section 8.6) Start Command Limiter (optional) Fig. 8.2 'Multiple Read' Command Format Instrument Parameter Sign...

  • Page 10: Reply Format

    …8 COMMUNICATION 8.3 Reply Format – Figs 8.4 to 8.6 – two-character mnemonic – see Error Code The C300 Controller replies to the command Section 8.5. using the reply format shown in Figs. 8.4 to 8.6. – one ASCII control character (see Reply Appendix A1): 8.3.1 Term...

  • Page 11: Communication Examples

    8 COMMUNICATION… Communication Examples The following examples show typical master-to-slave transmissions and the subsequent slave- to-master replies. For interpretations refer to Sections 8.5 and 8.6. Error Code Parameter c) Command – Command – R06PB E E TX M05 MG E E TX PB ETX MG ETX End of text...
  • Page 12 …8 COMMUNICATION …8.4 Communication Examples e) Command – f) Command – W11A170 E E TX W05L21 E E TX LA 70 ETX 1 ETX End of text End of text Write to 70 Relay 2 Alarm A trip point energised Controller number eleven Relay 2 state 'Write' command...

  • Page 13: Error Codes

    8 COMMUNICATION… 8.5 Error Codes Error Error Code Invalid command – the received command was not R (read), W (write) or M (multiple read). Invalid 'Read' parameter – parameter cannot be used with Read command. Invalid 'Write' parameter – parameter cannot be used with Write command. Too many characters entered into buffer –...

  • Page 14: Command Mnemonics

    …8 COMMUNICATION 8.6 Command Mnemonics 8.6.1 General Parameters Command Parameter Mnemonic Reply Interpretation Read Write Operating Parameters Measured Variable Dependent on the programmed display range Instrument Status Range 0 to 4095 – see Fig. 8.7 on page 10 Control Set Point Any value within the programmed display range Value Remote Set Point...
  • Page 15 8 COMMUNICATION… 8.6.1 General Parameters… Command Parameter Mnemonic Reply Interpretation Read Write Control Page Parameters Time Units 0 = Seconds 1 = Minutes Cycle Time 1.0 to 300.0 seconds (0.9 = ON/OFF) Hysteresis Value 0.0 to 5.0(%) Proportional Band 0.1 to 999.9 Integral Action Time 1 to 7200 seconds, 7201 = OFF Derivative Action Time...
  • Page 16 …8 COMMUNICATION …8.6.1 General Parameters Command Parameter Mnemonic Reply Interpretation Read Write Set-up Process Variable Input Parameters Input Type 0 = mV 1 = mA 2 = Volts 3 = Ohms 4 = Thermocouple 5 = RTD Lineariser Type 0 = None 1 = Type K 2 = Type R 3 = Type S...
  • Page 17 8 COMMUNICATION… 8.6.1 General Parameters… Command Parameter Mnemonic Reply Interpretation Read Write Remote Set Point Set Up Parameters 0 = mV Remote Set Point Input Type 1 = mA 2 = Volts 3 = Ohms 4 = Thermocouple 5 = RTD Remote Set Point As for Lineariser Type in Set-up Process Lineariser Type...
  • Page 18 …8 COMMUNICATION …8.6.1 General Parameters Command Parameter Mnemonic Reply Interpretation Read Write Display Parameters –9999 to +9999 Display Full Scale 0 to 3 positions Display Decimal Point Position –9999 to +9999 Display Zero Display Units 0 = None 1 = DEG C 2 = DEG F Bar Graph %/Bar 1 to 10(%)
  • Page 19 8 COMMUNICATION… 8.6.1 General Parameters… Command Parameter Mnemonic Reply Interpretation Read Write Set Up Alarms Parameters (continued) Process Alarms Hysteresis Value Alarm A 0.0 to 100.0% Alarm B Alarm C Engineering Units (within the display span), depending on the Alarm Type Alarm H Alarm J Alarm K...
  • Page 20 …8 COMMUNICATION …8.6.1 General Parameters Command Parameter Mnemonic Reply Interpretation Read Write Set Up Control Parameters Power Fail Mode 0 = Last 1 = Manual 2 = Auto Power Fail Output 0 to 100.0% Auto-Manual Power Fail Output 0 to 100.0% (–0.1 = last manual output) Manual-Manual Power Fail Indication 0 = No...

  • Page 21: Profile Parameters

    8 COMMUNICATION… 8.6.2 Profile Parameters Command Mnemonic Reply Interpretation Parameter Read Write Profile Parameters Profile Status 0 = Stop 1 = Ramp 2 = Soak 3 = Not Used 4 = Countdown 5 = Operator Hold 6 = Not Used 7 = Manual Hold 8 = Holdback Hold 9 = End...

  • Page 22: Heat/Cool Parameters

    …8 COMMUNICATION 8.6.3 Heat/Cool Parameters Command Parameter Mnemonic Reply Interpretation Read Write Control Page Parameters (Heat/Cool) 1.0 to 300.0 Cycle Time (Cool) 0.1 to 999.9 Proportional Band (Cool) 1 to 7200 (7201 = OFF) Integral Action Time (Cool) 0.0 to 99.9 Manual Reset (Cool) Crossover Output Value 0.0.

  • Page 23: Multiple Read Parameters

    8 COMMUNICATION… 8.6.4 Multiple Read Parameters… Parameter Group Mnemonic Parameters General Parameters Measured Value Instrument Status Control set Point Control Output Control Parameters Proportional Band Integral Action Time Derivative Action Time Approach Band Cycle Time Hysteresis Value Channel 1 (Process Variable) Input Input Type Parameters Lineariser Type...
  • Page 24 …8 COMMUNICATION …8.6.4 Multiple Read Parameters Parameter Group Mnemonic Parameters Self-tune Parameters P.I.D. Control Terms Control Type Advisory Prop. Band Advisory Int. Action Time Advisory Derivative Action Time Display Parameters Display Full Scale Display Zero Display Units Local Set Point Parameters Local Set Point Value Local Set Point Adjust Enable Local Set Point High Limit...

  • Page 25: Operation

    OPERATION Before attempting any serial communication, in links within each controller are correctly first ensure that the C300 Controllers positioned – see Section 5 on page 4. connected to the computer terminal or host computer by serial link are functioning Check that the parameters programmed in correctly as individual instruments.

  • Page 26: Specification

    10 SPECIFICATION As detailed in the Operating Instructions (IM/C300), with the following additions: EIA Communication Standards RS422 and RS485 Parity None Even Block check character Programmable on or off Transmission line length 1200m max. Transmission speeds 1200 baud 2400 baud Programmable 4800 baud 9600 baud...

  • Page 27: Appendices

    APPENDICES A1 The American Standard Code for Information Interchange (ASCII) Character Significance Decimal Hex. Binary Null, Operation 0000000 Start of Heading 0000001 Start of Text 0000010 End of Text 0000011 End of Transmission 0000100 Enquiry 0000101 Acknowledgement 0000110 Bell 0000111 Backspace 0001000 Horizontal Tabulation...
  • Page 28 …APPENDICES …A1 ASCII Character Significance Decimal Hex. Binary ........... 0110000 ........... 0110001 ........... 0110010 ........... 0110011 ........... 0110100 ........... 0110101 ........... 0110110 ........... 0110111 ........... 0111000 ........... 0111001 ........... 0111010 ........... 0111011 < ........... 0111100 ........... 0111101 > ........... 0111110 ...........
  • Page 29 APPENDICES… A1 ASCII Character Significance Decimal Hex. Binary ........... 1011000 ........... 1011001 ........... 1011010 ........... 1011011 ........... 1011100 ........... 1011101 ........... 1011110 ........... 1011111 ........... 1100000 ........... 1100001 ........... 1100010 ........... 1100011 ........... 1100100 ........... 1100101 ........... 1100110 ........... 1100111 ...........

  • Page 30: A2 Non-Volatile Memory Limitations

    …APPENDICES A2 Non-volatile Memory Limitations A3 Block Check Characters block check character (BCC) Caution. If the number of write transmitted is determined by the seven least cycles to any particular non-volatile significant bits in the binary arithmetic sum of memory register exceeds 10 cycles, the a complete message (excluding parity bits).
  • Page 31 PRODUCTS & CUSTOMER SUPPORT Products Customer Support ABB Automation provides a comprehensive after sales Automation Systems service via our Worldwide Service Organization. • for the following industries: Contact one of the following offices for details on your – Chemical & Pharmaceutical nearest Service and Repair Centre.
  • Page 32 Printed in UK (03.01) ABB Automation Ltd ABB Automation Inc Howard Road, St. Neots 125 E. County Line Road ABB Automation has Sales & Customer Support Cambridgeshire, PE19 8EU Warminster, PA 18974 expertise in over 100 countries worldwide Tel: +44 (0)1480-475-321 Tel: +1 215-674-6000 www.abb.com/automation...

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