Posted 4 Mar 2020 Hi Dears I have 2 control systems. I want to connect to DCS with Modbus TCP ( as Slave ) first system is CP1H, with MODTC61 i can connect to DCS? second system is CS1D, which module can i use for modbus tcp slave? I have CS1D-ETN21D for connect to HMI, can i use this module for modbus tcp or I must use another module? Best Regards Share this post Link to post Share on other sites