The 6ES7131-1BH10-0XB0 is a Siemens SIMATIC S7 electronic block for the ET 200L distributed I/O system. It provides 16 digital inputs rated at 24V DC, expandable to a full 16 channels when paired with the TB 16SC terminal block from Smart Connect.
Mounts on the ET 200L backplane, drawing its 24V DC supply from the bus. The 16 channels handle sink/source inputs. The TB 16SC terminal block provides spring-cage termination.