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Former Member
Mar 12, 2007 at 06:37 PM

Communicating to an AB Control Logix 5561 Processor

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I am trying to communicate to a Control Logix 5561 PLC via RSLinx 2.5 and UDS OPC 2.5.0.4. 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.

HELP!!