ElectricThe CA2KN22D7 is part of the Cursion intelligent relay range manufactured by Schneider Electric. It is a digital, all-in-one, multipurpose relay suitable for applications including motor control, process control, and control of lighting and air-conditioning systems. It features a programmable logic controller (PLC), time calculator, real time clock (RTC), and optional integrated display. It also has a STO-based, SIL-2 safety system with self-monitoring and self-diagnosis. It has two digital inputs, two relay outputs, two analog inputs, a pulse input, and analog output which can be configured with WinCN. The system can be controlled over an Ethernet connection, as well as RS-485 and RS-232 serial networks.