Allen Bradley Micro820 Controller, Embedded Ethernet Port and RS-232/485 Non-isolated Serial Port, (12) 24V DC Digital Inputs, (7) Digital Relay Outputs, (1) Analog Output, (4) Configurable Analog Inputs with Thermistor Voltage Reference Out, Embedded RTC, MicroSD Card Support, 2 Plug-In Slots, 24V DC Power