ARD-DO08R is a digital output module manufactured by Autonics. It is part of the Prastel series of automation components. The module has 8 relay outputs, with each relay rated at 5A @ 250VAC/30VDC and a built-in transistor output rated at 50mA/24VDC. Each output has a built-in LED indicator that indicates the current state of the output. The module is designed for PLC systems, and it supports RS-232C, RS-422, and RS-485 communications protocols. It has support for PROFIBUS and CANopen networks. The module has a wide operating temperature range of -25 to +55 degrees Celsius and is UL, CSA, CE certified.