Omron G9SX-EX401-RC G9SX Flexible Safety Expansion Unit

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Manufacturer: Omron
Product No.: G9SX-EX401-RC
Country of origin:Japan
Product Type: Safety Expansion Modules
Payment: T/T, Western Union
Weight: 165g
Shipping port: Xiamen
Warranty: 12 months

Description

To scale safety control systems efficiently, the Omron G9SX-EX401-RC serves as a robust safety expansion unit within the G9SX family. This expansion module allows engineers to increase the number of safety outputs of a primary G9SX master safety controller without sacrificing diagnostic coverage or safety integrity levels. Operating on a stable 24 VDC power supply, the unit provides logical connection and physical safety output multiplication for complex emergency stop, interlocking, and light curtain circuits.

Equipped with spring-cage terminal blocks, this module simplifies wiring installation and ensures secure, vibration-resistant connections in demanding industrial environments. The unit features instantaneous outputs, ensuring rapid response times when a safety demand is triggered by the primary controller.

Features

Provides expansion of up to four instantaneous safety outputs to existing safety configurations.
Spring-cage (tension clamp) terminal blocks for fast wiring and reliable connection under vibration.
One auxiliary output for PLC status feedback and diagnostic monitoring.
Zero off-delay safety outputs for immediate machinery shutdown commands.
Compact DIN-rail mounting design for space-saving panel integration.

Applications

Emergency stop circuit expansion in high-density machinery layouts.
Safety guard and safety door interlocking systems in manufacturing lines.
Safety light curtain output expansion.
Automotive assembly lines, robotic work cells, and automated packaging equipment.

Technical Specifications

Manufacturer	Omron
Model / Part Number	G9SX-EX401-RC
Product Type	Flexible Safety Expansion Unit
Rated Supply Voltage	24 VDC
Operating Voltage Range	-15% to 10% of rated supply voltage
Rated Power Consumption	2 W maximum
Output Configuration	4 Instantaneous Safety Outputs (Relay), 1 Auxiliary Output
Rated Load (Resistive)	250 VAC at 3 A / 30 VDC at 3 A
Rated Carry Current	3 A
Maximum Switching Voltage	250 VAC, 125 VDC
Operating Time (OFF to ON)	30 ms maximum
Response Time (ON to OFF)	10 ms maximum
Vibration Resistance	10 to 55 to 10 Hz, 0.375-mm single amplitude (0.75-mm double amplitude)
Electrical Durability	100,000 cycles minimum (at rated load, switching frequency of 1,800 cycles/hour)
Mechanical Durability	5,000,000 cycles minimum (switching frequency of 7,200 cycles/hour)
Terminal Block Type	Spring-cage terminals (RC)
Weight	0.165 kg

Connections and Interfaces

Terminal / Port	Functional Assignment
A1, A2	Power supply input connection (24 VDC)
Expansion Connector	System connection port to G9SX Master Unit
Safety Outputs (Relay contacts)	4 channels of instantaneous safety-related relay outputs
Auxiliary Output	Non-safety status feedback output for external monitoring systems

Installation Guidelines

Mount the safety expansion unit securely onto a standard 35mm DIN rail inside a protective control enclosure.
Ensure all power is disconnected before installing or removing the expansion connection cable.
For the spring-cage terminals, use the recommended screwdriver to open the clamp mechanism, insert the stripped conductor, and release to secure.
Verify that auxiliary diagnostic outputs are not used for safety-related control functions.
Separate safety-related control lines from high-noise power cables to minimize the risk of electromagnetic interference.

Key Features:

#Omron G9SX #Safety Expansion Modules

What is the primary function of the Omron G9SX-EX401-RC?

The Omron G9SX-EX401-RC is an expansion unit designed to increase the number of safety outputs on a main G9SX safety controller without sacrificing system safety integrity.

Does the G9SX-EX401-RC support OFF-delayed safety outputs?

No, this specific model features four instantaneous safety outputs. It does not provide built-in OFF-delay functionality.

What is the advantage of the RC suffix on this Omron unit?

The 'RC' suffix denotes that the unit is equipped with spring-cage (tension clamp) terminals, which speed up wiring time and provide highly secure connections that resist loosening in high-vibration environments.

Global Express Shipping

Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).

For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin

Omron G9SX-EX401-RC G9SX Flexible Safety Expansion Unit