The Schneider Electric TSXLES20 extension control module was part of the Modicon Premium automation platform, designed to expand system I/O capabilities and provide additional control functions. Although discontinued, it remains relevant for legacy installations requiring expansion and communication support.
Compatibility: Connects via TSX bus to Premium PLC base units
I/O Expansion: Supports additional digital input/output channels (commonly 8 inputs and 8 outputs at 24 V DC)
Voltage: 24 V DC input/output
Current Rating: 2 A per channel
Mounting: DIN rail for easy installation and removal
Diagnostics: Startup memory check, LAN controller check, power-up verification
Power Dissipation: Approx. 3 W
Weight: 1.056 kg
Lifecycle Information
Discontinued: December 31, 2004
End of Service: December 31, 2012
Replacement: No direct successor; migration to newer Modicon platforms is recommended
Environmental Ratings
Operating Temperature: 0…55 °C
Storage Temperature: −40…85 °C
Humidity: 95% non-condensing
Certifications: CE marked
Application Scenarios
The TSXLES20 was used to extend the control capacity of Modicon Premium PLCs in manufacturing and process automation. It allowed engineers to add more I/O channels without replacing the base controller, making it suitable for modular system expansion.
FAQ
Q: Is the TSXLES20 still supported? A: No, service support ended in 2012.
Q: Can it be replaced with a direct equivalent? A: No direct replacement exists; migration to Modicon M340 or X80 platforms is recommended.
Q: What was its primary function? A: To expand I/O capacity and provide additional control functions for Premium PLC systems.
