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comunication between S7-300 CPU 315-2DP with Siemens Protection Devices

Created by: hanhdn at: 10/4/2007 6:27 AM (3 Replies)

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10/4/2007 6:27 AM	Rate (0)
hanhdn Posts: 20 Rating: (0)	Dear My Friends! I have some difficult problems to comunicate between S7-300 CPU 315-2DP with Siemens Protection Devices such as 7SJ61, 7SJ62,... by Profibus-DP card. I have connected the hardware and the device also detected. But CPU S7-300 can not communicate with relay. i don't know why, please help me!!!!!!!
hanhdn Posts: 20 Rating: (0)
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10/6/2007 1:29 PM	Rate (0)
Late Platinum Member Joined: 1/7/2006 Last visit: 11/17/2023 Posts: 2705 Rating: (318)	Hi, I know the Protective Devices, those are from PTD (not from A&D), when the GSD-files are installed in STEP7 youcanchoose for several different manners to couple. I have never done this with this equipment but normally you have to do also something in the Protection Device. See also the document.... Attachment MV_Protective_Relay_Comparison.pdf (219 Downloads)
	I hope that the answer will help, if you have still questions, don't hesitate to ask me. All the best, Late Never say never, think in solutions, not in trouble......
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10/7/2007 11:12 AM	Rate (0)
dchartier Grandmaster Joined: 9/27/2006 Last visit: 9/10/2024 Posts: 12282 Rating: (2683)	Hello hanhdn; Before any communication can happen between a DP-master and a Siemens protection relay, the Profibus interface, Profibus slaveaddressing and Standard Mapping selection must be setup on the relay, using DIGSI software. If this is a new installation, then a Siemens technician will need to use DIGSI to parametrize the relay functions; comms setup can be done at the same time. If this is for a modification, you will probably need to buy DIGSI and the programming cable required. Hope this helps, Daniel Chartier

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7/3/2017 2:53 PM	Rate (0)
Jen_Moderator Diamond Member Joined: 6/19/2017 Last visit: 9/6/2024 Posts: 8175 Rating: (171)	New question published by huyhung is split to a separate thread with the subject Configuration of communication between S7-300 with relay protection?. Best regards Jen_Moderator

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