Schneider Electric TSXCFY21 Modicon Premium Motion Control Module

The Schneider Electric TSXCFY21 is a 2-axis motion control module designed for servo motor control within the Modicon Premium PLC platform. It provides high-precision position and velocity loop processing using proportional control with overshoot compensation and 2 ms gain switching. The module interface connects to external servo drives and encoders via front-panel HE-10 and SUB-D connectors, delivering dual ±10–24 V analog speed reference outputs and dedicated reflex I/O for rapid real-time axis management.

Multi-Axis Control and Closed-Loop Performance

The TSXCFY21 handles up to two independent or linked axes using trapezoidal or parabolic speed profile paths. Closed-loop feedback processing supports 500 kHz incremental encoders (up to 1000 kHz in counting) and 200 kHz SSI absolute encoders with 16 to 25-bit outputs. Internal monitoring algorithms continuously perform safety checks, including voltage/sensor feedback counter verification, command consistency, drive presence, and emergency stop inputs.

Field I/O Interface and Power Management

Field connections are distributed across dual 20-pin HE-10 connectors for auxiliary and drive control signals, one 9-pin SUB-D connector for analog speed outputs, and two 15-pin SUB-D connectors for encoder feedback. The module features two fast reflex static outputs with short-circuit and thermal protection (< 500 µs response) alongside two relay outputs (< 5 ms response) for servo drive validation. Backplane power consumption is rated at 1100 mA at 5 VDC, with a total power dissipation ranging from 7.2 to 11.5 W.

Technical Specifications

Frequently Asked Questions

Q: What types of position encoders can be connected to the TSXCFY21 module?

A: The TSXCFY21 directly supports 5 V DC RS422 and 10–30 V totem pole incremental encoders, as well as 16 to 25-bit SSI absolute encoders. Parallel output absolute encoders are supported when paired with an ABE7CPA11 interface adapter.

Q: How does the TSXCFY21 handle drive enabling and safety interlocks?

A: The module incorporates two dedicated relay validation outputs (< 5 ms switching time) for enabling external servo drives, alongside fast 24 VDC reflex static outputs (< 500 µs response) for direct, hardware-level axis control and emergency stopping.