How to connect Compact HMI system to Multimetter
I am building a PMS system using Compact HMI. In my system, multimetter have Modbus RTU communication, and engineering computer is connected directly to multimetters through Modbus RTU to Ethernet TCP/IP gateway. Can I use Base Compact 800 HMI to build it or must add other software moduls to base Compact 800 HMI?
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You can connect using Base Compact 800 HMI. Create a controller object with the Modbus protocoll for the Generic Control Network. The addressing can be found in the online help, search for modbus address. The addressing is based on the register type as;
Cx for coils, Ix for discrete inputs, HRx for holding registers and IRx for input registers.