ABB B42 AS-i Pluto Series Safety Controller, 36 Safety Inputs, 6 Safety Outputs, 24 V dc

The ABB Pluto B42 AS-i programmable safety controller (safety PLC) with AS-i bus and pluto safety bus. It has totally 42 I/O: 20 failsafe inputs, 16 non-failsafe outputs/failsafe inputs, 4 individually failsafe relay outputs and 2 individually failsafe transistor outputs.

Protocol type is MODBUS ASCII
Pluto safety bus
AS-I
Statusbus
Rated control supply voltage of 24 VDC