Zelio Compact 20 input output relay - 12 VDC/h2 power supply>The SR2B201JD intelligent relay from Schneider Electric is a programmable logic controller that is easy to implement. It is easily programmed using the Zelio Soft 2 software and its intuitive interface. Easy to install, this Zelio Logic Relay mounts on a standard symmetrical DIN rail. All PLC inputs and outputs are equipped with a screw terminal block. The Zelio SR2B201JD reference is a Compact model, which means that it cannot be associated with an input/output expansion module. If you are looking for a scalable Zelio relay, prefer the Modular model which can accommodate different extension modules. This Zelio PLC is equipped with a clock and a digital display screen. Supply voltage: 12 VDC Total inputs and outputs: 20 Digital inputs: 12 including 0-10V analog inputs: 6 Relay outputs: 8 Transistor outputs: 0 Backlit display screen: Yes Clock: Yes