Siemens 6ES7326-1BK01-0AB0 is a SIMATIC S7 SM 326 digital input module that provides 24 fail-safe inputs at 24 V DC for use with SIMATIC S7 fail-safe systems, with diagnostic capability to monitor input health. The module supports 24 DC 24V inputs and, when operated in standard (non-safety) mode, offers configuration in RUN (CiR) as described in the S7 failsafe hardware documentation. It is designed to interface with 24 V DC sensors and switches, delivering reliable, diagnosable digital signals for safety-related automation tasks.
