DanT Posted November 9, 2016 Report Share Posted November 9, 2016 Hi; Trying to connect to a Gardner Denver Airsmart Controller Comm Module. Serial Interface - RS232 works. Trying the MODBUS TCP UDP protocol on their ports 2000 and 2001 - no luck yet, we can ping the IP OK, just no connection for MODBUS Read Registers(3) Any one had experience with this unit? Dan Quote Link to comment Share on other sites More sharing options...
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