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Is it possible to use the OBT / OLM in a PROFISAFE network?

Created by: RoBe at: 6/5/2008 7:33 PM (2 Replies)

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6/5/2008 7:33 PM	Rate (0)
RoBe Posts: 18 Rating: (1)	Hello, I want to know if it is correct (safe) to use OBT's or OLM's in a PROFISAFE network. The network is not a ring but a straight line (Safety PLC and +/- 20 Safety RIO racks). Thanks in advance, Robert
RoBe Posts: 18 Rating: (1)
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6/5/2008 9:42 PM	Rate (0)
Late Platinum Expert Joined: 1/7/2006 Last visit: 11/17/2023 Posts: 2705 Rating: (319)	RoBe I want to know if it is correct (safe) to use OBT's or OLM's in a PROFISAFE network. The network is not a ring but a straight line (Safety PLC and +/- 20 Safety RIO racks). Dear Robert, Because off the black channel for Profisafe it is no problem to use OLM's or OBT's....
	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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6/6/2008 11:46 AM	Rate (0)
RoBe Posts: 18 Rating: (1)	Late Because off the black channel for Profisafe it is no problem to use OLM's or OBT's.... Hello Late, thanks for your response! I found the attached drawing with information about the "black channel" on http://www.profibus.com/pb/profibus/safety/. So it's no problem! Best regards, Robert Attachment PROFIsafe.pdf (406 Downloads)
RoBe Posts: 18 Rating: (1)
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