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- Schneider
- TSXDMY28RFK
- Discrete I/O Module
- France
- 260 x 180 x 55 mm
- 0.49 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
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- 24-Hour Service
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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1. Product Overview
The Schneider TSXDMY28RFK Discrete I/O Module is an industrial automation component designed for digital signal interfacing within compatible programmable logic controller (PLC) systems. Discrete input/output modules allow a controller to receive status signals from field devices and transmit switching commands to connected equipment, supporting coordinated operation across industrial processes.
In automation applications, discrete I/O modules are commonly used to interface with push buttons, limit switches, proximity sensors, relays, indicator lights, and other on/off devices. By integrating field signals with the PLC control program, the module helps operators monitor equipment conditions and execute predefined control sequences.
The TSXDMY28RFK belongs to Schneider Electric’s Modicon TSX automation product family. Before installation or replacement, users should verify the module’s exact electrical specifications, terminal arrangement, and supported controller configuration against the equipment label and applicable technical documentation.
For industrial maintenance teams, selecting the correct module is important for restoring control system functionality, maintaining reliable signal transmission, and minimizing unplanned downtime.
2. Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Schneider Electric |
| Model | TSXDMY28RFK |
| Product Type | Discrete I/O Module |
| Automation Category | PLC Digital Input/Output |
| Dimensions | 260 × 180 × 55 mm |
| Weight | 0.49 kg |
| Signal Type | Discrete digital signals |
| Application | Industrial automation and machine control |
| Installation | Compatible PLC system configuration |
| Electrical Ratings | Verify against the module’s nameplate and technical documentation |
| Compatibility | Confirm the supported controller and rack configuration before replacement |
Note: Confirm the exact input/output channel configuration, signal voltage, output type, and connection details before ordering or commissioning.
3. Function and Working Principle
The primary purpose of a discrete I/O module is to connect digital field devices with a PLC control system. Digital signals generally represent two states, such as ON/OFF, open/closed, or active/inactive.
Depending on the module’s specific configuration, its functions may include the following.
Digital Signal Acquisition
Input channels receive status signals from field devices, such as limit switches, push buttons, and proximity sensors. The PLC program can use these signals to determine machine status, confirm operating conditions, and initiate control sequences.
Switching Signal Output
Output channels allow the controller to issue commands to compatible field devices. These may include intermediate relays, indicator lamps, solenoid valves, and other on/off control components, subject to the module’s electrical ratings.
PLC Program Integration
The module works as part of a larger automation system. Field signals are processed by the controller, and the PLC program determines the appropriate response based on its configured logic.
Equipment Status Monitoring
Discrete I/O signals can support equipment interlocks, operating-state monitoring, alarm conditions, and sequence control. Correct signal mapping and wiring are essential for dependable operation.
4. Industrial Applications
The Schneider TSXDMY28RFK Discrete I/O Module can be considered for suitable industrial control applications where a compatible Modicon TSX system is installed.
Manufacturing and Assembly Lines
Discrete I/O is widely used to monitor part-position sensors, conveyor status, safety-related interface signals, and machine operating conditions. Appropriate signal handling helps coordinate operations between different production stations.
Packaging Machinery
Packaging equipment often relies on digital signals to detect product presence, confirm actuator positions, and control operating sequences. Discrete I/O modules provide an interface between these field devices and the PLC.
Material Handling Systems
Conveyors, transfer stations, and handling equipment use on/off signals to monitor position, detect equipment status, and coordinate movement. A suitable I/O module supports the communication of these signals to the control system.
Process Automation
Industrial processes may use discrete signals for valve status, pump commands, alarm indications, and equipment interlocks. The module’s suitability depends on the required electrical interface and system configuration.
Machine Control and Maintenance
For installed automation systems, replacement I/O modules can be important when diagnosing failed channels or restoring communication between field devices and a PLC.
5. Installation and System Integration
Correct installation is essential for reliable operation and protection of connected equipment.
Verify the PLC Platform
Before installation, confirm that the TSXDMY28RFK is supported by the target controller and rack or mounting arrangement. Check the hardware configuration and any applicable system restrictions.
Inspect the Module
Examine the module for cracks, damaged connectors, bent pins, corrosion, or signs of overheating. If the component is a replacement unit, compare its complete part number with the original installed module.
Confirm Wiring and Electrical Ratings
Check the wiring diagram, terminal assignments, field supply voltage, and load requirements before connecting field devices. Do not assume that a similar-looking module uses the same wiring or electrical characteristics.
Follow Electrical Safety Procedures
Isolate the relevant power sources and follow the site’s lockout/tagout procedures before installation or wiring work. Verify that the equipment is in a safe state before handling the module.
Configure and Test the System
After installation, verify the hardware configuration and PLC program settings. Test input signals and output commands individually under controlled conditions, then confirm that the complete machine sequence operates correctly.
6. Common Problems and Troubleshooting
Discrete I/O issues can arise from the module itself, external wiring, field power supplies, connected devices, or PLC configuration.
| Symptom | Possible Cause | Recommended Check |
|---|---|---|
| Input signal is not detected | Wiring fault, missing field supply, defective sensor, or incorrect channel assignment | Check the sensor, wiring, supply, and PLC input status |
| Output does not activate | Incorrect program logic, wiring issue, unavailable field power, or load fault | Verify the output command and check the circuit against the module ratings |
| Intermittent signal changes | Loose terminals, electrical interference, or unstable field device operation | Inspect connections and evaluate the signal environment |
| Module is not recognized | Incorrect configuration, connector problem, or controller compatibility issue | Verify the hardware setup and inspect the module connection |
| Repeated channel faults | External short circuit, overload, damaged wiring, or module failure | Isolate the circuit and inspect the connected load and wiring |
Troubleshooting should begin with external power, wiring, and configuration checks before concluding that the module needs replacement.
7. Preventive Maintenance
Preventive maintenance helps improve the reliability of PLC control systems and reduces avoidable production interruptions.
- Inspect electrical connections: Check terminals, connectors, and wiring for looseness, corrosion, or physical damage.
- Monitor operating conditions: Keep the control cabinet within the environmental limits specified for the installed equipment.
- Review diagnostic information: Investigate recurring I/O faults and unexpected signal changes.
- Check field devices: Confirm that sensors, switches, relays, and connected loads operate correctly.
- Maintain accurate records: Record the module model, installation location, wiring assignments, and replacement history.
- Keep suitable spare parts: Where production continuity is important, maintain verified replacement modules for critical control system components.
Maintenance work should follow the equipment manufacturer’s instructions and the site’s electrical safety procedures.
8. Compatibility and Replacement Considerations
When replacing a Schneider TSXDMY28RFK, matching the model number alone may not be sufficient. The replacement should be checked against the original module and the complete control system configuration.
Important considerations include:
- Exact part number: Confirm every character of the model number.
- Input/output configuration: Verify the number and type of digital channels required by the application.
- Electrical characteristics: Confirm signal voltage, output technology, current limits, and load compatibility.
- Connection layout: Check terminal assignments, connector type, and wiring requirements.
- Controller compatibility: Confirm support for the installed PLC hardware and software configuration.
- Physical installation: Check dimensions, mounting arrangement, and available cabinet space.
- Operational testing: Validate the replacement using the actual control program and field devices before returning the machine to normal operation.
If the original module is no longer readily available, an alternative should be selected only after its technical and system compatibility has been confirmed.
9. Key Benefits
The TSXDMY28RFK Discrete I/O Module can support industrial control applications through the following general functions:
- Field signal interfacing: Connects compatible digital field devices with the PLC control system.
- Machine status monitoring: Helps the controller receive operating and equipment-status signals.
- Sequence control support: Enables digital signals to participate in programmed machine operations.
- Maintenance flexibility: Provides a replaceable hardware component for servicing compatible automation installations.
- System integration: Supports the coordination of sensors, switching devices, and PLC logic within a properly configured system.
Actual performance and supported functions depend on the module’s verified specifications and the installed automation platform.
10. Frequently Asked Questions
What is the Schneider TSXDMY28RFK?
The Schneider TSXDMY28RFK is identified as a discrete I/O module for industrial automation applications. It provides a digital signal interface within a compatible PLC system.
What are the dimensions and weight of the TSXDMY28RFK?
The supplied product dimensions are 260 × 180 × 55 mm, and the stated weight is 0.49 kg. Confirm whether these measurements refer to the module itself or its packaged shipping dimensions.
What equipment can use this module?
It is intended for a compatible Schneider Modicon TSX automation installation. The exact controller, rack, and hardware requirements should be verified before installation.
Can the TSXDMY28RFK replace another Schneider I/O module?
Not automatically. The replacement must match the required channel configuration, electrical characteristics, connection arrangement, and controller compatibility.
What should be checked if an input or output does not work?
Start by checking field power, wiring, connected devices, PLC logic, channel assignments, and system diagnostics. If the external circuit and configuration are correct, further testing may be needed to determine whether the module is defective.
Is the module suitable for a new automation project?
Its suitability depends on the required I/O specifications, controller platform, software support, and long-term maintenance requirements. Verify these factors before designing the system around the component.
11. Conclusion
The Schneider TSXDMY28RFK Discrete I/O Module is an industrial automation component used for digital signal interfacing in compatible PLC-based control systems. Discrete I/O plays an important role in machine status monitoring, equipment sequencing, and communication between controllers and field devices.
For maintenance engineers, system integrators, and industrial spare-parts buyers, the key priorities are confirming the exact part number, verifying electrical and channel specifications, and ensuring compatibility with the installed controller.
With correct selection, installation, and testing, a suitable discrete I/O module can help maintain reliable signal handling and support the continued operation of industrial automation equipment.