9/7/2021 3:17 PM | |
Joined: 3/2/2007 Last visit: 9/18/2024 Posts: 935 Rating: (5) |
Kindly, sometimes we get the following error on S7-400 plc. What could be the cause ? Event ID 16# 3507 Multiple OB request errors caused start information buffer overflow No relevance for user (Z1): 0000 Cause: Cyclic interrupt clock pulse generator 6 Causing OB: Cyclic interrupt OB (OB 35) Causing priority class: 12 Current OB no. and priority class: Requested OB: Timing error OB (OB80) Priority class: 26 Internal error, Incoming event 02:37:29.043 PM 09/07/2021 (Coding: 16# 3507 1A50 C358 0000 1136 0C23) AttachmentDiagnoseOB.txt (332 Downloads) |
... thank you ... |
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9/20/2021 1:34 PM | |
Joined: 10/10/2005 Last visit: 8/29/2024 Posts: 1917 Rating: (136) |
Hello Ziemens, the reason for this error could be the time stamp conflict in your program. See the remedies of the FAQ in this regards. How do you update invalid block calls (time stamp conflicts) in calling blocks? With best regards |
9/21/2021 2:01 AM | |
Joined: 10/7/2005 Last visit: 9/25/2024 Posts: 3022 Rating: (1054)
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Hi Ziemens The official help, causes and remedies on Event 3x07 are: |
Cheers |
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