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from the Instrument department...
Communication Interface module in Honeywell PLC
Communications systems and equipment. topic
Posted by Arul_R on 23 April, 2003 - 1:56 pm
I am doing a project in which i have to communicate to the CIM of Honeywell's 620-0043 PLC. It uses the modicon modbus RTU protocol. I need to know the procedure for the RS232C's connection between a PC and the CIM. Can anyone help?


Posted by Torulf Wiberg on 24 April, 2003 - 9:28 am
Arul,

620-0043 pin assignment:

1 Shield RS232
2 Txd RS232
3 Rxd RS232
4 RTS RS232
5 CTS RS232
6 DSR RS232
7 Signal ground RS232
8 DCD RS232
9
10 -12V RS232
12 RS-A RS422
13 RS-B RS422
14 SD-B RS422
15 SD-A RS422
16 CS-B RS422
17 CS-A RS422
19 +12V RS232
20 DTR RS232
21 RD-B RS422
22 RD-A RS422
23 RR-B RS422
24 RR-A RS422

Regards

/T

-------------------------------------------------------
Torulf Wiberg Tel. +46 (0)411 533 110
Deterministic Control AB Fax +46 (0)703 83 08 08
Karl Kulls väg 6 Mob. +46 (0)70 595 09 97
SE-274 56 Abbekås
SWEDEN


Posted by Conrad van Rooyen on 7 May, 2003 - 4:28 pm
I would check that it is actually the Modbus protocol -- I believe that the HW 620 plc protocol was similar to Modbus but with some subtle variations that required a new driver to be written.

Kind Regards
Conrad


Posted by Torulf Wiberg on 10 May, 2003 - 8:39 pm
The 620-0043 is a Modbus communication card. The corresponding card for 620 series native protocol (ABC) is 620-0042.

/T

-------------------------------------------------------
Torulf Wiberg Tel. +46 (0)411 533 110
Deterministic Control AB Fax +46 (0)703 83 08 08
Karl Kulls väg 6 Mob. +46 (0)70 595 09 97
SE-274 56 Abbekås
SWEDEN


Posted by Bernd Bauer on 10 May, 2003 - 8:15 pm
Hello, Myself and some friends of me worked for many years here in Germany in the Honeywell IPC 620 Service and Application Department. Now we are busy as free lancing engineers and supporting IPC 620 Installations. If need more information about 620-0043 or the 620 system in general let me know, a friend me must have a manual for this Modbus module.

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