Sorry about the delay on getting back to the solution. It was a bad output from the master. The uds output was staying high. The LED on the output card was changing states properly but the actual output was locked up and staying high. The troubleshooting process was tricky because the duplex system has a separate machine room for each controller so having a helper watch Led's go on and off while I was in other machine room helped . LED'S are great tools for troubleshooting but never trust them.