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Honeywell DCS- CP 443-1

Created by: yurdusev at: 8/1/2013 9:39 PM (6 Replies)

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8/1/2013 9:39 PM	Rate (0)
yurdusev Advanced Member Joined: 8/8/2009 Last visit: 12/23/2023 Posts: 15 Rating: (0)	We have a Honeywell EPKS DCS and S7400 redundant PLC . Siemens is Modbus Client and Honeywell EPKS DCS is Modbus Master. I have SIMATIC Modbus/TCP RED V2 Single License Redundant MODBUS communication via CPs for S7-400(H) 2XV9 450-1MB11. For testing I am using example projects from modbus library but I can not establish the modbus /TCP communication . the firs CP443-1 in Rack-1 showing Error=0,Done=0 Status=A0ff, (Only Rx) I have assured that hardware is OK,cables are OK, How can I troubleshoot in this regards, Enclosed is the details of Network configurtaion, Can I make test via modbus test simulation on my computer with s7-400 ? Can you advice modbus test software? Attachment netpro.JPG (530 Downloads)
	Last edited by: yurdusev at: 8/1/2013 9:45 PM
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8/1/2013 9:40 PM	Rate (0)
yurdusev Advanced Member Joined: 8/8/2009 Last visit: 12/23/2023 Posts: 15 Rating: (0)	cfc picture Attachment cfc.JPG (505 Downloads)

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8/2/2013 10:31 AM	Rate (0)
Kaulquappe Posts: 3093 Rating: (323)	Hello Yurdusev, client and master are the same - active, and slave and server are the same - passive. So one communication partner must be client and the other one server. Regards, Kaulquappe
Kaulquappe Posts: 3093 Rating: (323)
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8/2/2013 3:56 PM	Rate (0)
yurdusev Advanced Member Joined: 8/8/2009 Last visit: 12/23/2023 Posts: 15 Rating: (0)	ThanksKaulquappe

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9/16/2015 1:41 PM	Rate (0)
CS Moderator Moderator Joined: 9/1/2005 Last visit: 11/18/2024 Posts: 4113 Rating: (195)	follow up question published by AutoGen_682437 is transferred to the discussion trying to see how modbus works with the ModScan and c300 Controllers. Best regards CS Moderator
	My Forum is the place to personalize your profile, track your topics, and maintain content that interests you. Best regards CS Moderator
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11/13/2015 2:07 AM	Rate (0)
Mauricio pavez Posts: 1 Rating: (0)	Dear Friend I have the same problema, and i don´t understand the solution. Please could you explane with more details? Thanks a lot Mauricio
Mauricio pavez Posts: 1 Rating: (0)
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11/13/2015 9:15 AM	Rate (0)
Bachgeist Advanced Member Joined: 1/27/2015 Last visit: 7/22/2024 Posts: 53 Rating: (9)	Hi Mauricio, Modbus/ TCP is a Client/ Server based communication. So the Client is the active part and estabishes a communication to the passive Partner -> the Server. Is the Connection in Net-Pro already established? Did you get any error codes at the modbus block? Regards Bachgeist

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