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S7-1200 RDREC Support

10/8/2012 3:44 PM	Rate (0)
MRTRYLMZ Posts: 1 Rating: (0)	Hi, I have a problem with S7-1200 PLC. I want to read data from PROFIBUS DP and PROFINET slaves using RDREC function Block. But as you see at the attachment I can't read any data fromslaves. I receive error codes seen at attachment files. Please give an advice to solve this problem. Best Regards... Attachment RDREC.zip (958 Downloads)
MRTRYLMZ Posts: 1 Rating: (0)
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10/8/2012 8:33 PM	Rate (0)
bakerjw Posts: 126 Rating: (18)	In your Hardware_Identifier.jpg screen shot, you have selected then entire rack. Try clicking on the device inside of the box. That will have a different hardware identifier. One of the identifiers is for the entire rack and the one that you want is for the head module. Give that a try. John
bakerjw Posts: 126 Rating: (18)
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