The Click PLC from AutomationDirect now includes three analog CPU models. They feature two analog inputs and two outputs with voltage ranges of up to 5 vdc or current up to 20 mA. The modules include two build-in RS-232 and one RS-485 serial ports, realtime clock and battery backup for internal memory.
The modules are differentiated by discrete I/O. All have four dc inputs with a choice of four dc sinking, dc sourcing or relay outputs. All are configured with easy to use programming software available as a free download. Prices for the analog CPUs starts at $129.