IEC 60870-5-103 command & response

IEC 60870-5-103 command & response

Hi, How to create a command with a variable is double indication and double command. In IEC103, value OFF, ON is 1, 2, not 0, 1 and I can not active write set values. I have created a command but could not. I using the SIEMENS 7SJ62 relay. Thanks, Lang

This is a migrated post! Originally posted on 30.09.2015 by user softvn. Please be aware that information can be outdated.