Why the TSXAEY414 Is a Smart Investment for Your PLC System
When you need to measure diverse analog signals without juggling multiple modules, the Schneider Electric TSXAEY414 delivers a single-slot solution. This TSX Micro PLC analog input module accepts current, voltage, thermocouple, resistor, and temperature probe inputs. That flexibility reduces spare parts inventory and cuts engineering time, making it a cost-effective choice for both new builds and legacy upgrades.

What Is the TSXAEY414?
The TSXAEY414 is a low-level analog input module from Schneider Electric’s TSX Micro PLC family. It provides four high-level input channels and uses 16-bit analog-to-digital conversion for precise readings. Its ability to handle common mode voltages up to 415 V AC or 200 V DC between channels helps protect your system from ground potential differences. This robust design lowers the risk of channel damage, which means fewer unplanned service calls and lower lifetime costs.
Key Technical Specifications and Their Cost Impact
16-Bit Resolution for Accurate Control
The TSXAEY414 uses 16-bit analog/digital conversion. Higher resolution means you can detect smaller signal changes, improving product quality and reducing waste. For example, a 0.13% measurement error on a 0-400 Ohm range at 25°C helps maintain tight process tolerances, avoiding costly rework.
Wide Range of Input Types
This module supports current (4-20 mA), voltage (±10 V, 0-10 V, 0-5 V, 1-5 V), thermocouples (B, E, J, K, L, N, R, S, T, U), resistors (0-400 Ohm, 0-3850 Ohm), and temperature probes (Pt 100, Pt 1000, Ni 1000). One module can handle multiple sensor types, so you don’t need to buy separate cards for each signal. That consolidation lowers hardware costs and simplifies spare parts management.
Robust Isolation and Overvoltage Protection
The TSXAEY414 provides 2830 Vrms isolation between channels and bus, and 1780 Vrms between channels and ground. Input overvoltage protection ranges from -30 to 30 V at state 1 and -15 to 15 V at state 0. These features help prevent damage from voltage spikes, which can otherwise lead to expensive module replacement and downtime.
Environmental Tolerance
Operating temperature spans 0 to 60°C, and storage temperature ranges from -25 to 70°C. Relative humidity for operation is 10 to 95% without condensation. This durability means the module can work reliably in typical industrial settings, reducing the need for climate-controlled enclosures and lowering installation costs.

Where the TSXAEY414 Saves Money in Real Applications
Process Monitoring and Control
In a chemical plant, you might connect 4-20 mA transmitters for pressure and flow, plus Pt 100 probes for temperature. The TSXAEY414 handles all these signals on one module. That reduces wiring and termination points, cutting installation labor and potential fault locations. Fewer components also mean lower maintenance costs over time.
Machine Building and OEM Applications
For machinery that uses thermocouples to monitor bearing temperatures and voltage signals for position feedback, this module provides a compact, standard-format solution. Its screw terminal block simplifies wiring, saving assembly time. The module’s CE marking helps ensure compliance with EU directives, which can reduce certification delays for OEMs.
Legacy System Upgrades
If you are modernizing an older TSX Micro PLC rack, the TSXAEY414 can replace a failed or outdated analog input card. Its support for multiple thermocouple types and RTDs means you can often reuse existing sensors. That avoids the cost of replacing field wiring and probes, making the upgrade more affordable.
Installation and Setup Tips
Before mounting the TSXAEY414, verify that your TSX Micro PLC backplane has an available slot. The module uses a standard format and connects via a screw terminal block. Ensure that wiring is properly routed to avoid electrical noise, and that common mode voltages stay within the specified limits. Always follow the manufacturer’s installation manual for your specific PLC model.
Maintenance and Reliability
Periodically inspect the terminal block for loose connections and check for signs of corrosion or overheating. Keep the module within the specified operating temperature and humidity ranges. Because the module has no moving parts, routine maintenance is minimal. This reliability translates into lower total cost of ownership.
Compatibility and Integration
The TSXAEY414 is designed for the TSX Micro PLC platform. It works with the Modicon Premium automation platform as well. This compatibility allows you to standardize on one module type across different machine lines, simplifying training and reducing spare parts inventory. Always confirm compatibility with your specific PLC CPU and backplane before ordering.
Selection Guide: What to Verify Before You Buy
Before purchasing the TSXAEY414, check your PLC model and firmware version to ensure compatibility. Verify the input types and ranges you need against the module’s capabilities. Also confirm the operating environment meets the module’s specifications. For availability and lifecycle status, contact SpareTechPLC. They can provide current information and help you find the right replacement if needed.
Troubleshooting Common Issues
If you see inaccurate readings, first check the sensor wiring and configuration. Ensure the input type matches the sensor. If the module does not communicate, verify that it is seated correctly in the backplane and that power is supplied. For persistent problems, consult the Schneider Electric technical documentation or contact SpareTechPLC for support.
FAQs
What input types does the TSXAEY414 support?
The TSXAEY414 supports current (4-20 mA), voltage (±10 V, 0-10 V, 0-5 V, 1-5 V), thermocouple (B, E, J, K, L, N, R, S, T, U), resistor (0-400 Ohm, 0-3850 Ohm), and temperature probe (Pt 100, Pt 1000, Ni 1000) inputs.
How many channels does the TSXAEY414 have?
It has four high-level analog input channels.
What is the nominal read cycle time?
The nominal read cycle time is 550 ms.
What is the isolation rating between channels and bus?
The isolation between channels and bus is 2830 Vrms.
Is the TSXAEY414 CE marked?
Yes, the module carries CE marking.