SM523 6ES7523-1BL00-0AA0

SIMATIC S7-1500 digital input/output module, DI16x 24 V DC BA, 16 channels in groups of 16, input delay typ. 3.2ms Input type 3 (IEC 61131), DQ16X24 V DC/0.5A BA; 16 channels in groups of 8; 4 A per group incl. push-in front connector