The Click PLC line now has discrete and analog I/O modules. Available 24-Vdc combination discrete modules are the eight-point DC input/eight-point DC sinking or sourcing output models, and a four-point DC input/four-point relay output model. In addition, the 24-Vdc four-channel analog input modules with 13-bit resolution include the 0-20 mA current input and 0-10V voltage input versions.