Diagnostic buffer of module CPU 315-2 DP
Order No./ Description Component Version
6ES7 315-2AG10-0AB0 Hardware 7
- - - Firmware V 2.6.11
Boot Loader Firmware expansion A 0.21.0
Rack: 0
Slot: 2
Serial number: S C-A8UU71042010
Event 1 of 10: Event ID 16# 38C4
Distributed I/Os: station return
Address of the affected DP slave: station number: 14
DP master system ID: 1
Log. base address of the DP slave: Input address: 2032
Log. base address of the DP master: 2047
Requested OB: Rack failure OB (OB86)
Priority class: 26
External error, Outgoing event
08:45:51.082 PM 08/28/1996
Event 2 of 10: Event ID 16# 2942
I/O access error, reading
P area, word access, Access address: 270
Requested OB: I/O access error OB (OB122)
Priority class: 1
External error, Incoming event
08:45:51.053 PM 08/28/1996
Event 3 of 10: Event ID 16# 2942
I/O access error, reading
P area, word access, Access address: 270
Requested OB: I/O access error OB (OB122)
Priority class: 1
External error, Incoming event
08:45:51.046 PM 08/28/1996
Event 4 of 10: Event ID 16# 2942
I/O access error, reading
P area, word access, Access address: 270
Requested OB: I/O access error OB (OB122)
Priority class: 1
External error, Incoming event
08:45:51.039 PM 08/28/1996
Event 5 of 10: Event ID 16# 2942
I/O access error, reading
P area, word access, Access address: 270
Requested OB: I/O access error OB (OB122)
Priority class: 1
External error, Incoming event
08:45:51.025 PM 08/28/1996
Event 6 of 10: Event ID 16# 2942
I/O access error, reading
P area, word access, Access address: 270
Requested OB: I/O access error OB (OB122)
Priority class: 1
External error, Incoming event
08:45:51.018 PM 08/28/1996
Event 7 of 10: Event ID 16# 2942
I/O access error, reading
P area, word access, Access address: 270
Requested OB: I/O access error OB (OB122)
Priority class: 1
External error, Incoming event
08:45:51.011 PM 08/28/1996
Event 8 of 10: Event ID 16# 3842
Module OK
Module type: Distributed I/0s
Input address: 2032
User information available
Diagnostic interrupt from substitute
Requested OB: Diagnostic interrupt OB (OB82)
Priority class: 26
External error, Outgoing event
08:45:51.000 PM 08/28/1996
Event 9 of 10: Event ID 16# 2942
I/O access error, reading
P area, word access, Access address: 270
Requested OB: I/O access error OB (OB122)
Priority class: 1
External error, Incoming event
08:45:50.998 PM 08/28/1996
Event 10 of 10: Event ID 16# 2942
I/O access error, reading
P area, word access, Access address: 270
Requested OB: I/O access error OB (OB122)
Priority class: 1
External error, Incoming event
08:45:50.991 PM 08/28/1996
问题补充:
程序里面已经有OB86、OB122块了,PIW270的地址应该没有问题,接的是一个编码器,这个程序已经用了2年了,最近这两天才出现的问题!忘再给予帮助,非常感谢大家的帮忙!拜托了!
最佳答案
读取PIW270这个地址有错误。查看你的组态中应该没有这个270的地址,你要把PIW270这个地址修改为组态中对应的地址。
增加OB122可以当出现故障时,使PLC不停机,但故障原因并没有处理。
补充:猜测PIW270的地址应该是DP从站中的地址吧,即是分布式I/O模块的地址。查看主站与从站的理解通讯电缆和DP接头。
提问者对于答案的评价:
非常感谢您的帮助,问题已解决!
专家置评
已阅,最佳答案正确。
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