Siemens 6ES7422-7BL00-0AB0 Digital Input Module

Siemens 6ES7422-7BL00-0AB0 is a SM 422 digital output module for the SIMATIC S7-400 family. It provides 32 DC 24 V output channels, each rated at 0.5 A, with galvanic isolation between the outputs and the backplane to protect the controller and minimize cross-talk. The 32-channel module mounts in a compatible S7-400 rack/backplane and provides direct switching capability for 24 V DC loads such as relays and contactors, enabling compact, centralized control of multiple actuators from a single CPU. Its rapid response includes an output delay of about 0.15 ms, supporting time-sensitive control sequences in automation tasks, from conveyor lines to packaging machines. As part of the SM 422 family, the 6ES7422-7BL00-0AB0 is used to extend digital output capacity in medium to large automation projects where robust, isolated DC switching is required.