11/16/2012 4:13 PM | |
Posts: 1547 Rating: (129)
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Hello, the ET200CPU is connected via Ethernet. Is it also configured as PROFINET IO DEVICE at CPU315? If yes you should get an OB86(Rack fault) interrupt with the diagnostic address of this CPU. Other possibility would be a ISOonTCP connection on the Ethernet Ports and sending life bit. Refer for this following FAQ: How do you program the communication blocks FB63 "TSEND", FB64 "TRECV", FB65 "TCON" and FB66 "TDISCON" in order to use the ISO-on-TCP protocol for data exchange by way of the integrated PROFINET interface of a CPU or by way of the CP443-1 Advanced? |
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