6ES7521-7TH00-0AB0Brand: SiemensMPN: 6ES7521-7TH00-0AB0SIMATIC 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 0.0Request a quote