SiemensSimatic S7-1500 6ES7521-7TH00-0AB0

SIMATIC S7-1500, digital input module DI 16xNAMUR HF, 16 channels in groups of 8: for 8.2 V NAMUR encoder: sensor supply 8.2 V: input delay: parameterizable 0.05 ... 20 ms: integrated counting function up to 20 kHz pulse stretching: chatter monitoring: sig