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Event 1 of 100: Event ID 16# 38C4
Distributed I/Os: station return
Address of the affected DP slave: station number: 7
DP master system ID: 1
Log. base address of the DP slave: Input address: 2046
Log. base address of the DP master: 2047
Requested OB: Rack failure OB (OB86)
OB not found, or disabled, or cannot be started in the current operating mode
External error, Outgoing event
11:22:50.862 AM 05/25/2012
Event 2 of 100: Event ID 16# 38C4
Distributed I/Os: station return
Address of the affected DP slave: station number: 6
DP master system ID: 1
Log. base address of the DP slave: Input address: 2044
Log. base address of the DP master: 2047
Requested OB: Rack failure OB (OB86)
OB not found, or disabled, or cannot be started in the current operating mode
External error, Outgoing event
11:22:50.756 AM 05/25/2012
Event 3 of 100: Event ID 16# 5371
Distributed I/Os: end of the synchronization with a DP master
Slot of the DP master: 2
Number of distributed stations: 2
Incoming event
11:22:50.137 AM 05/25/2012
Event 4 of 100: Event ID 16# 4358
All modules are ready for operation
Operating mode: STOP (internal)
Incoming event
11:22:47.439 AM 05/25/2012
Event 5 of 100: Event ID 16# 4357
Module monitoring time started
Operating mode: STOP (internal)
Incoming event
11:22:47.064 AM 05/25/2012
Event 6 of 100: Event ID 16# 4548
STOP caused by I/O management
Previous operating mode: RUN
Requested operating mode: STOP (internal)
Internal error, Incoming event
11:22:46.832 AM 05/25/2012
没有具体到模块或点位的故障信息,怎么查啊?
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1、可以应用软件来诊断:
使用FB125程序来判断系统中的错误,FB125可以诊断总线上站点的各种故障信息。FB125是一个中断驱动功能块,它可以检测到从站的组态,掉站等故障,并且给出详细的报错信息。使用FB125来诊断故障必须在OB1, OB82和OB86中调用FB125。
详见:
《如何编写用于 SIMATIC S7 的 PROFIBUS DP 诊断块 FB125、FB126? 》下载:
http://www2.ad.siemens.com.cn/Download/Upload/AS/Software/387257.zip
2、相关文档:
《DP诊断功能块的使用》:
http://www.gongkong.com/Common/Details.aspx?c=1&m=4&l=6&Type=article&CompanyID=8-B9F2-1F2B4D8D438E&Id=9-AD59-3DB519CB0B83
《PROFIBUS-DP诊断完全解决方案》:
http://www.gongkong.com/common/Details.aspx?c=1&m=4&Type=datum&CompanyID=&Id=5-A925-308889FFFFFF
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如果没有添加相应的OB块,分站的I/O模块故障会导致CPU stop。看看下述文档中描述会有启发:
详见《CP342-5的使用与常见问题 (更新版)》下载:
http://www2.ad.siemens.com.cn/Download/Upload/AS/application/A0139.zip