Table of Contents
Advertisement
Instruction manual
CIU Prime type 880
(CIU858 emulation)
Version 1.2
November 2000
Part no.: 4416529
Enraf B.V.
P.O. Box 812
2600 AV Delft
Netherlands
Tel.: +31 15 2698600, Fax: +31 15 2619574
Email: Info@enraf.nl
http://www.enraf.com
Offices in: Netherlands - France - Germany - Russia - UK - USA - China - Singapore
Instruction manual CIU Prime type 880 (CIU858 emulation)
Page 1
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Summary of Contents for enraf CIU Prime 880
- Page 1 Instruction manual CIU Prime type 880 (CIU858 emulation) Version 1.2 November 2000 Part no.: 4416529 Enraf B.V. P.O. Box 812 2600 AV Delft Netherlands Tel.: +31 15 2698600, Fax: +31 15 2619574 Email: Info@enraf.nl http://www.enraf.com Offices in: Netherlands - France - Germany - Russia - UK - USA - China - Singapore...
- Page 2 Reproduction in any form without the prior consent of Enraf B.V. is not allowed. This instruction manual is for information only. The contents, descriptions and specifications are subject to change without notice. Enraf B.V. accepts no responsibility for any errors that may appear in this instruction manual.
-
Page 3: Preface
Deviation from any of the prescribed procedures; · Execution of activities that are not prescribed; Additional information Please do not hesitate to contact Enraf or its representative if you require additional information. Instruction manual CIU Prime type 880 (CIU858 emulation) Page 3... -
Page 4: Table Of Contents
Table of contents Table of Contents Preface ..............................3 Introduction ............................5 Communication parameters ......................... 6 CIU (858) address ........................6 Communication procedure ........................7 Command records ........................8 CIU individual command record ..................8 Instrument individual command record ................8 Instrument group command record .................... -
Page 5: Introduction
Introduction Introduction The CIU Prime type 880 is the successor of the CIU type 858. CIU Prime This unit is an interface between the field instrumentation (e.g. 854 ATG, 873 SmartRadar, etc.) and inventory systems (CIU Plus, PLC, ENSITE, etc.). Field ports Up to four input boards can be installed to interface the EN-bus (BPM Bi- Phase Mark). -
Page 6: Communication Parameters
Adjustable in msec. CIU (858) address Two different type fieldports can be plugged in the CIU Prime: 1. EN-bus to which Enraf instruments are connected direct. 2. RS-232c to which a CIU858 can be connected. Ad 1.: The CIU (858) address in the CIU858 emulation is the last decade of the decimal representation of the RTU address for host port 2. -
Page 7: Communication Procedure
Communication procedure Communication procedure The CIU858 uses a communication protocol based on a request/reply schedule. The protocol consists of command records and answer records. There are three types of command records: · individual CIU command records · individual instrument command records ·... -
Page 8: Command Records
Communication procedure Command records The following records can be sent to the CIU Prime. CIU individual command record This command is executed in the addressed CIU Prime, which sends back an answer record. Pos 1 start of transmission Pos 2 CIU address (0-9) Pos 3 R CIU-GPU version... -
Page 9: Instrument Group Command Record
Communication procedure Instrument group command record The instrument group commands are transmitted (without the CIU address) to every connected instrument. Pos 1 start of transmission Pos 2 CIU address (0-9) Pos 3,4 instrument address (00-99) ** indicates that the command is intended for all connected instruments. -
Page 10: X-Record (Identification Record)
Communication procedure X-record (identification record) For compatibility reasons the X-record is implemented. A default answer will be given. N RX10LOO Pos 1 start of transmission Pos 2 CIU address (0-9) Pos 3...9 : RX10LOO default answer Pos 10 end of transmission Pos 11 block check character Time-out record... -
Page 11: Instrument Answer Records
Communication procedure Instrument answer records After a correctly received instrument individual command, the addressed instrument will answer to the CIU. This answer is passed on to the computer system by the CIU (the CIU adds its own address to the record). data data .. -
Page 12: Bcc Calculation
Communication procedure BCC calculation The BCC is calculated by taking the binary sum without carrying over the seven individual data bits (exclusive or) of all transmitted bytes, according to ANSI standard X3.28 - 1976. STX is excluded; ETX is included. The BCC is also called the ‘horizontal parity check’. -
Page 13: Ack Characters
Communication procedure Here is the answer record from the CIU to the computer system: spelled out in bits: Char Parity Comment Start of TeXt (not in BCC calculation) BCC character (calculated over 7 bits) ACK characters The computer system always initiates communication with the CIU using a command record. -
Page 14: Appendix A: Related Documents
Appendix A Appendix A: Related documents Title Instruction manual 880 CIU Prime Instruction manual 880 CIU+ Instruction manual Modbus protocol Instruction manual ENSITE Pro - 880 CIU Prime Instruction manual ENSITE Pro - 880 CIU+ Instruction manual ENSITE - ENTIS Pro under Windows NT Page 14... - Page 15 Notes Instruction manual CIU Prime type 880 (CIU858 emulation) Page 15...
- Page 16 Page 16...
Need help?
Do you have a question about the CIU Prime 880 and is the answer not in the manual?
Questions and answers