Designed for precise multi-axis positioning within the Modicon Premium automation platform, the Schneider Electric TSXCFY21 provides dedicated motion control for up to two independent stepper motor axes. This module offloads real-time pulse generation and trajectory calculation from the main CPU, ensuring high-accuracy positioning and consistent dynamic performance in demanding industrial environments.
Key Features
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Dual-Axis Control: Manages up to two independent stepper motor axes with precise pulse/direction outputs.
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System Integration: Fully compatible with Unity Pro and PL7 Pro programming environments for streamlined configuration.
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Optimized Power Profile: Low internal power consumption of 5.6 W minimizes thermal load inside the PLC rack.
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Real-Time Diagnostics: Front-panel LED status indicators provide immediate visual feedback on channel status, module health, and communication bus activity.
Applications
- Multi-axis indexing tables and rotary positioning systems.
- Packaging machinery requiring coordinated material feed and cut-to-length control.
- Automated assembly systems and pick-and-place gantry systems.
- Material handling conveyors requiring precise ramp-up and deceleration profiles.
Technical Specifications
| Manufacturer |
Schneider Electric |
| Model / SKU |
TSXCFY21 |
| Product Series |
Modicon Premium |
| Module Type |
Motion Control Module (Stepper Motors) |
| Number of Controlled Axes |
2 independent axes |
| Power Consumption |
5.6 W |
| Software Compatibility |
Unity Pro, PL7 Pro |
| Slot Width |
Single slot (Modicon Premium rack) |
| Shipping Weight (Calculated) |
0.50 kg |
| Package Dimensions (Calculated) |
220 mm x 140 mm x 45 mm |
Connections and Interfaces
| Interface Port |
Function / Signal Assignment |
| Front Panel Connectors |
HE10 connectors for auxiliary I/O and stepper drive interface signals |
| Drive Outputs |
Pulse (PULS) and Direction (DIR) differential/single-ended signals |
| Auxiliary Inputs |
Limit switch inputs, reference point (home) switch inputs, and emergency stop feedback |
Empirical Engineering Insights
Alternative Models & Compatibility
The TSXCFY21 is a legacy Modicon Premium hardware component. When replacing older revisions of this module, verify that your current Unity Pro or PL7 Pro hardware catalog matches the exact firmware revision of the replacement unit to prevent configuration mismatch faults during download.
Application Pitfalls & Engineering Notes
Because stepper motor control signals operate at high frequencies, routing the pulse/direction cables in the same conduit as high-voltage AC motor lines can induce signal noise, leading to lost steps. Always isolate control cabling from power wiring. Ensure the rack's power supply module has sufficient 5V backplane capacity to support the 5.6 W draw of this module alongside your existing CPU and communication cards.
Commissioning & Wiring Tips
Use shielded, twisted-pair cables for all HE10 connections to the stepper drives. Terminate the cable shield at the functional ground (FE) bar of the enclosure using a low-impedance ground clamp. Do not daisy-chain the ground connections of the stepper drives back to the PLC rack to avoid ground loop currents.
Installation Guidelines
CRITICAL WARNING
De-energize the entire Modicon Premium rack before inserting or removing the TSXCFY21 module. Hot-swapping this module can cause permanent damage to the backplane connectors, corrupt the running PLC program, or trigger unexpected motion in connected stepper actuators.
1
Ensure the PLC rack power supply is completely switched off and locked out.
2
Align the module with the target slot on the Modicon Premium rack, ensuring the bottom locating pins engage correctly.
3
Pivot the module upward into the rack connector and tighten the top securing screw to ensure a reliable ground connection to the rack chassis.
4
Connect the pre-wired HE10 cable assemblies to the front ports, ensuring the locking latches click securely into place.