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Siemens Simatic S7-300 Digital Input

The Siemens 6ES7 326-1BK02-0AB0 is a fail-safe digital input module from the SIMATIC S7-300 series (SM 326). This module is used for the safe acquisition of digital signals in safety-oriented automation systems and is typically employed in machine and plant control systems. It processes 24 digital input signals at 24 V DC and supports diagnostic and safety functions for reliable plant operation.

Gjdoyt D Ecepfx Agyebi
Thanks to its integrated Safety Integrated technology, the module meets high safety requirements up to Category 4 in accordance with EN 954-1, SIL3 as per IEC 61508, and Performance Level e according to ISO 13849. This makes the module particularly suitable for safety-critical applications such as emergency stop circuits, safety door monitoring, or safety interlocks.

The module is equipped with a 40-pin connector and can be used either centrally in S7-300 controllers or decentrally in ET 200M systems via PROFIBUS or PROFINET. Integrated diagnostic functions ensure that faults or signal disturbances are detected early and reported to the control system.

Technical data:

* Type: Digital Input Module SM 326 F-DI
* Article number: 6ES7 326-1BK02-0AB0
* 24 digital inputs
* Input voltage: 24 V DC
* Fail-safe design (Safety Integrated)
* Diagnostic alarm and safety monitoring
* Safety level: SIL3 / PL e / Category 4
* Connection: 1× 40-pin
* For use in SIMATIC S7-300 and ET 200M

Typical applications:

* Safety-related machine control
* Emergency stop and safety circuits
* Plant and process automation
* Industrial systems with safety-related sensors

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