# Problem about OPC Server

**URL:** <https://tech-community.robotics.abb.com/t/problem-about-opc-server/4488>\
**Category:** Robot Controller\
**Created:** [October 23, 2011, 3:03pm UTC](https://tech-community.robotics.abb.com/t/problem-about-opc-server/4488 "2011-10-23T15:03:45Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jay](https://avatars.discourse-cdn.com/v4/letter/j/ed8c4c/32.png) [@jay](https://tech-community.robotics.abb.com/u/jay)\
**Post date:** [October 23, 2011, 3:03pm UTC](https://tech-community.robotics.abb.com/t/problem-about-opc-server/4488/1 "2011-10-23T15:03:45Z")

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Hi,all,  
I am a new fish anbout ABB Robot.Now i learn the OPC server Function.And here is my problem:After configuration using ABB IRC5 OPC Configuration,I use a OPC Client to Check OPC Server.And Use Client i can get the right information such like BootVersion,clock…,But the information about I/O signals and Rapid Program is wrong.Shows like Fig.1.And i cannot Write I/O Signals.  
BR/Jay

![](http://forums.robotstudio.com/webwiz/4382/1.jpg)