Posted 25 Mar 2020 PLC doesn't respond to communication requests or responds negatively to such requests. A PLC communication error can occur between the programmable computer and the devices it controls or when the technician attempts to program the device. If anybody have idea then share i am fresher now i learn it from CETPA INFOTECH. I think this is the best place to ask. Share this post Link to post Share on other sites
Posted 13 Jun 2020 This is what which i was looking for Thanks. Share this post Link to post Share on other sites