753-667 Safe Digital I/O Module Hardware Manual

This document is a hardware manual for the WAGO 753-667/000-002 safe digital I/O module, which provides 4 fail-safe inputs and 4 fail-safe outputs for 24V applications using the PROFIsafe V2.0 protocol. It covers device description, technical specifications, safety-related characteristic values, mounting instructions, and legal guidelines for the WAGO-I/O-SYSTEM 750 series.