Communicating to an AB Control Logix 5561 Processor
I am trying to communicate to a Control Logix 5561 PLC via RSLinx 2.5 and UDS OPC 18.104.22.168. Not having any luck. The UDS Service takes a LONG time to start. I can browse some tags like [TOPIC].Online.CLOCK_PLC.Sec but I cannot query on them.