The Allen-Bradleyan SLC500 module that features Sixteen (16) Discrete sinking input channels. It has One (1) group of input channels and operates at nominal signal voltage of 24VDC with operating voltage range of 10-30VDC. It is compatible for use with any SLC500 chassis.
Rockwell SLC 500 I/O Modules 1746-IB16 Digital Input Module