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implementing sfb12 communication

2/6/2006 7:27 PM	Rate (0)
triantafillos Member Joined: 2/6/2006 Last visit: 5/19/2006 Posts: 1 Rating: (0)	I have an s7-400 station and 8 s7-300 stations. I use sfb12 and sfb13 (s7-400 station) and fb12 and fb 13 (s7-300 stations). I have implemented the communication with all s7-300 stations except for one. The error status of sfb12 is 3. Can anybody tell me the solution to thismalfunction?

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2/7/2006 10:46 AM	Rate (0)
Hulzhex Gold Member Joined: 8/25/2005 Last visit: 10/5/2024 Posts: 1162 Rating: (111)	Hello triantafillos, I looked into the documentation of the SFBs. System Software for S7-300/400 System and Standard Functions There I found in capture 20.6 the following information: Error Status 3: "R_ID is unknown on the connection specified by the ID or the receive block has not yet been called." This information also should be found in the STEP7 online help. Best regards Sabine

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