The ABB pluto O2 programmable safety controller (safety PLC) output module with pluto safety bus. It has a safety output module. It has totally 6 I/O: 2 failsafe inputs for monitoring, 2 non-failsafe outputs/failsafe inputs and 2 individually failsafe relay outputs (with 3 contacts each).
Protocol type is MODBUS ASCII Pluto safety bus StatusBus Rated control supply voltage of 24 VDC Coated PCBs