Unit kendali

Siemens Simatic S7-300 Digital Input

The Siemens 6ES7 326-1BK02-0AB0 is a failsafe digital input module from the SIMATIC S7-300 series (SM 326), designed for reliable acquisition of digital signals in safety-related automation systems and commonly used in machinery and plant control systems. The module processes 24 digital input signals at 24 V DC and features advanced diagnostics and safety functions to ensure dependable plant operation.

With integrated Safety Integrated technology, the unit meets the stringent safety standards up to Category 4 according to EN 954-1, SIL3 per IEC 61508, and Performance Level e under ISO 13849, making it ideal for critical safety applications such as emergency stop circuits, guard door monitoring, or safety interlocks.

This module is equipped with a 40-pin connector and can be deployed either centrally in S7-300 controllers or decentrally in ET 200M systems via PROFIBUS or PROFINET. The built-in diagnostics promptly detect and communicate errors or signal faults 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
* Failsafe design (Safety Integrated)
* Diagnostic alarm and safety monitoring
* Safety level: SIL3 / PL e / Category 4
* Connection: 1× 40-pin
* Usable with SIMATIC S7-300 and ET 200M

Typical applications:

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

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