WEBfactory 2010

ADS Connector error message: 7=AdsSyncReadWriteReqEx2()failed

Abstract

Check out this article and learn how to solve the ADS Connector error message 7=AdsSyncReadWriteReqEx2()failed.

Description

When using the ADS Connector, the error message 7=AdsSyncReadWriteReqEx2()failed may appear at Activity Analyzer.

Cause

This error is usually caused by a incorrect communication layer setup, or a device not running.

Solution

To troubleshoot this error, please check if:

  • the IP is correct

  • the port number is correct

  • TwinCat is running