Compact receiving unit with 8-30 VDC power supply and customizable connecting interfaces: M12 circular connectors, 10-pin reduced plug or cable gland. With a maximum of 12 analogue and 64 digital outputs (via CANopen interface), 2 STOP outputs, 2 UMFS outputs, 4 programmable MOSFET outputs and 2 CAN outputs. The double CAN output can be used to simultaneously control the CANopen and J1939 protocols. The CRD also has a 4-digit display for diagnostics. The standard antenna is internal whereas the external one with a 1 m or 3 m extension is optional.