SiemensSimatic S7-1500 6ES7521-7EH00-0AB0

SIMATIC S7-1500, digital input module DI 16x 24...125 V UC HF, 16 channels in groups of 1: input delay 0.05..20 ms: Input type 3 (IEC 61131): Diagnostics, hardware interrupts: Front connector (screw terminals or push-in) to be ordered separately SIMATIC ET