Posted 8 Mar 2015 http://accautomation.ca/how-to-implement-the-omron-plc-host-link-protocol/ OmronHL.zip Here is some software and website that will show you how to implement the Omron Host Link Protocol. The sample was written in VB6 and will read the first 10 DM registers. Let me know what you think. Regards, Garry Share this post Link to post Share on other sites