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Siemens 6ES7921-3AB00-0AA0 Front Connector Module for S7-300 Digital I/O

Name: Siemens 6ES7921-3AB00-0AA0
Brand: Siemens
SKU: 6ES7921-3AB00-0AA0
Availability: InStock

Siemens S7-300 Front Connector Module for 16 Digital I/O with Screw Terminals.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

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ManufacturerSiemens

Part number6ES7921-3AB00-0AA0

Type Front Connector Module

For S7-300 Digital I/O Modules

Channels 16 I/O

Connection Flat Ribbon Cable

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12-month warranty

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Designed for S7-300 Series Supports 16 Digital I/O Channels Flat Ribbon Cable Connection Screw Terminal Power Supply Reliable Signal Interface

Product description

The Siemens 6ES7921-3AB00-0AA0 is a front connector module designed for use with Siemens S7-300 digital I/O modules. It features a flat ribbon cable connection and provides power supply via screw terminals. This module is specifically designed to interface with 16 digital input/output channels.

This front connector module is essential for building automation, industrial control systems, and machinery where reliable digital signal processing is required. It's commonly used in manufacturing, process control, and other industrial environments that utilize the S7-300 PLC platform.

Source your Siemens 6ES7921-3AB00-0AA0 from Stanlo Automation, a veteran-owned surplus parts distributor. We offer reliable, tested components to keep your industrial automation systems running efficiently and cost-effectively.

Technical specifications

Type	Front Connector Module
For	S7-300 Digital I/O Modules
Channels	16 I/O
Connection	Flat Ribbon Cable
Power Supply	Screw Terminal

Common applications

PLC Systems

Industrial Control

Manufacturing Automation

Process Control

Machine Building

Data Acquisition

Compatible systems

Siemens S7-300 Series PLC Digital I/O Modules

Also known as

Siemens S7-300 Front Connector 6ES79213AB000AA0 Siemens Digital I/O Connector

Replaces / compatible with

This module is a direct replacement for other 6ES7921-3AB00-0AA0 units and is designed for compatibility within the Siemens S7-300 series.

Technical note

Expert tip

Ensure proper termination of the ribbon cable to prevent data errors and ensure reliable operation with S7-300 digital I/O modules.

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Frequently asked questions

What type of connection does the Siemens 6ES7921-3AB00-0AA0 use for I/O modules?

The Siemens 6ES7921-3AB00-0AA0 front connector module utilizes a flat ribbon cable connection to interface with the digital I/O modules of the S7-300 series. This ensures a secure and organized connection.