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7sj602 modbus rtu communication with s7 400 H CPU

11/1/2011 2:11 PM	Rate (0)
Arun_EEE Posts: 93 Rating: (0)	Dear friends.. I wanna communicate 7sj602 series siprotech relay with my s7-400 h PLC via modbus rtu protocol.. I just want to indicate the faults such as over current fault, earth fault in scada.. So i want to read there kinda faults from this 7sj602 relay.. I am in a deadly hurry.. Please gimme a procedure or any model programs.. I would really really really appreciate it..
Arun_EEE Posts: 93 Rating: (0)
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11/1/2011 8:44 PM	Rate (0)
Mako Posts: 43 Rating: (1)	Hi, if you have an ET200M rack in your H-system you should use CP341. Regards.
Mako Posts: 43 Rating: (1)
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11/2/2011 2:44 AM	Rate (0)
Arun_EEE Posts: 93 Rating: (0)	Thanks for your reply friend... Yeah... I am using cp341 only... I am not able to find the modbusa addresses for the FAULTS in that relay.. PLease help me to find this out. Also Could you pls gimme a model program for this relay communication.. It would help me a lot.. I need it badly..
Arun_EEE Posts: 93 Rating: (0)	Last edited by: Arun_EEE at: 11/2/2011 7:06 AM
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11/2/2011 8:31 PM	Rate (0)
Mako Posts: 43 Rating: (1)	Here you will find some info for Modbus communication: /tf/WW/en/Posts/44769#top I dont' have any experience with 7sj602, somone else may help. Regards.
Mako Posts: 43 Rating: (1)
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11/3/2011 9:22 AM	Rate (0)
Mike J Platinum Member Joined: 10/9/2007 Last visit: 4/14/2025 Posts: 1260 Rating: (116)	Hi Here is the Modbus mapping: http://siemens.siprotec.de/download_neu/devices/1_General/Doku_Protokolle/Englisch/Modbus/Modbus_with_SM_3-1_since_3-n/Com_modbus_7SJ602_en.pdf Who's doing the protection configuration in Siprotec? He should know this. Mike
	Energy Automation products: Sicam, Siprotec, Digsi
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