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Communication issue

10/10/2017 8:24 PM	Rate (0)
jdspace13 Posts: 10 Rating: (0)	I have a network of ET 200S and all of them are 6ES7-151-1AA02-0AB0 except one that is 6ES7-151-1AA05-0AB0 and that one is given an issue with the BF LED on. The slave diagnostics read "DP slave not accessible by means of bus" The picture of the hardware config and the error is attached. Attachment Error.pdf (148 Downloads)
jdspace13 Posts: 10 Rating: (0)
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10/11/2017 7:23 AM	Rate (0)
mopS04 Platinum Expert Joined: 3/5/2014 Last visit: 8/5/2022 Posts: 5521 Rating: (1056)	hi, here some possible reasons: -bad wring - check the wiring, shielding and proper grounding, -wrong PB-adress - check the adress, sometimes the lowest DIP-switch is not used hope this helps, regards,
	FCK WAR! Be nice!
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10/11/2017 9:52 AM	Rate (0)
Towome Platinum Expert Joined: 7/9/2015 Last visit: 3/18/2025 Posts: 4200 Rating: (624)	Hi, please also check MLFB of your Module if its the same version online and offline. Check GSD or Version of your module - perhaps there is a HSP necessary. Regards, Towome
	If my post was useful, please rate me - if not, please tell me - thank you!
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