Siemens 6ES7326-1BK02-0AB0 Digital Input Module

Siemens 6ES7326-1BK02-0AB0 Digital Input Module is a fail-safe SIMATIC S7-300F input card (SM 326) providing 24 digital 24 V DC inputs for safety-related automation. The module belongs to the F-family with diagnostic alarm capability to flag channel or wiring faults to the PLC. It occupies a 40-pole form factor and is designed for use in SIMATIC S7-300F safety systems, delivering 24 DI channels at DC 24 V with built-in safety features. It supports safety integrity up to Category 4 EN 954-1, SIL3 IEC 61508, and PL e ISO 13849-1. Typical applications include safety interlocks, emergency-stop wiring, guarded machine controls, and other safety-related sensors connected to S7-300F configurations. The designation 6ES7326-1BK02-0AB0 identifies a SIMATIC S7-300F Digital Input Module SM 326 DI 24x24 V DC with diagnostics, intended for installations requiring robust fail-safe inputs and diagnostic feedback to the PLC.