Siemens 6ES7522-1BH01-0AB0 Programmable Logic Controller Module

Siemens 6ES7522-1BH01-0AB0 is a SIMATIC S7-1500 digital output module that provides 16 independently controllable 24 V DC outputs for driving actuators or signaling devices in industrial automation systems. Each channel delivers up to 0.5 A, with outputs configured in two eight-channel groups that together support up to 4 A per group, enabling compact high-density I/O for distributed control applications. The HF variant offers single-channel diagnostics and includes a substitute value feature described as a switching-cycle counter for connected actuators, supporting runtime health monitoring. Safety-conscious wiring and control are built in: the module supports safety-oriented shutdown of load groups up to SIL2 in accordance with EN IEC 62061:2021 and Category 3 / PL d per EN ISO 13849-1:2015, making it suitable for safety-related control circuits. Note that the front connector (screw terminals or push-in) is ordered separately from the module.