Analog Models for Small PLC

June 11, 2009
Analog CPU modules released for small PLC line. Variety of analog and discrete I/O enhance versatility in small form factor.

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.