Siemens 6ES7921 Series Front Connector for Use with Digital I/O modules

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PHP7,894.74

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PHP8,842.11

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TH - smart automation - PDP
RS Stock No.:
282-3302
Distrelec Article No.:
302-64-217
Mfr. Part No.:
6ES7921-5AB20-0AA0
Manufacturer:
Siemens
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Brand

Siemens

Product Type

Front Connector

Accessory Type

Connector Module

Series

6ES7921

For Use With

Digital I/O modules

Standards/Approvals

No

Hazardous Area Certification

No

Supply Voltage

24V

COO (Country of Origin):
RO

Siemens 6ES7921 Series Front Connector, Front Connector Type, For Use With Digital I/O modules - 6ES7921-5AB20-0AA0


This front connector provides a connection Interface designed to mate with digital input/output modules in industrial control systems. It functions as an accessory module that links field wiring to digital I/O cards within modular PLC racks, facilitating orderly signal routing and service access in automation installations.

Features and Benefits:


• Connector module format enables straightforward service replacement
• Designed for digital I/O modules to simplify panel integration
• Accessory classification allows dedicated spare-part management
• Manufacturer origin supports consistent component sourcing

Applications


• Suitable for integration into PLC I/O bays in control panels
• Ideal for routine spare-part stocking in maintenance departments
• Used with digital signal modules in automation systems
• Can be used for replacing faulty front connectors during servicing

How does it Interface with existing I/O hardware?


It mounts directly onto compatible digital I/O modules to provide the required front-end connection between the module and external wiring harnesses.

What operational role does it serve in a control cabinet?


It serves as the primary point for organising and accessing digital signal terminations, allowing technicians to isolate and exchange I/O modules without disturbing backplane wiring.

Is it considered an OEM spare or a generic accessory?


It is produced by the module manufacturer and intended to be used as a factory-compatible accessory for matching digital I/O hardware.

How should maintenance teams classify this component in inventory?


It should be logged as a connector accessory for digital I/O modules to ensure Rapid identification during replacements.

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