# OPC Server Problem

**URL:** <https://tech-community.robotics.abb.com/t/opc-server-problem/4489>\
**Category:** Robot Controller\
**Created:** [October 23, 2011, 3:04pm UTC](https://tech-community.robotics.abb.com/t/opc-server-problem/4489 "2011-10-23T15:04:40Z")\
**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, 3:04pm UTC](https://tech-community.robotics.abb.com/t/opc-server-problem/4489/1 "2011-10-23T15:04:40Z")

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Hi,my problem is:after configuration the Opc server,i use a Opc Client to check the status of robot,and i can read the right info. about robot such as Bootversion,clock,but get the wrong info. about I/O signals and rapid Programs.I also cannot write the value of I/O signals.  
Please Help me.  
BR/Jay

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