My parts list/tender specifications

UK/S32.2 Universal I/O Concentrator, 32-fold, MDRC

Data Sheet:

To connect push buttons or signal lamps to the ABB i-bus®, e.g., in an operating/display tableau. It has 32 channels which can be freely parameterised as inputs/outputs using the ETS software. Requires an external 12/24 V DC auxiliary power supply.