1. Product Overview

The Schneider TSXMRP3384P PCMCIA SRAM Memory Expansion is an industrial automation memory card designed for compatible Schneider Electric Modicon Premium PLC systems. It provides application memory and additional data storage capabilities according to the supported controller configuration.

In industrial automation, memory expansion cards are important for storing control programs and supporting application development, modification, and maintenance. SRAM-based memory cards are particularly useful in compatible legacy PLC systems where application programs may need to be modified while the controller is online.

The TSXMRP3384P belongs to Schneider Electric’s PCMCIA SRAM memory expansion product range. Its compatibility depends on the PLC processor, memory slot, firmware, and application requirements. Engineers should verify the exact hardware configuration before installing or replacing the card.

For industrial maintenance teams, system integrators, and spare-parts buyers, accurate identification of the TSXMRP3384P helps support reliable replacement planning and the continued operation of compatible automation equipment.

2. Technical Specifications

Specification note: The dimensions and weight above are based on the supplied product information. Historical Schneider Electric documentation identifies the TSXMRP3384P as an SRAM PCMCIA memory extension with a configuration of 384 Kwords for application memory and 640 Kwords for additional data storage. Confirm the card label, revision, and intended controller before ordering.

3. Function and Working Principle

The TSXMRP3384P provides memory expansion for compatible Modicon Premium PLC processors. Its SRAM technology supports application storage and additional data functions defined by the controller architecture.

3.1 Application Memory Expansion

PLC application memory stores the instructions that control industrial equipment. These instructions may define machine sequences, equipment interlocks, process operations, and responses to input signals.

The TSXMRP3384P provides a designated application memory area for supported controllers. Its suitability depends on the processor’s memory limits and the size of the application.

3.2 Additional Data Storage

In addition to application memory, the TSXMRP3384P supports an additional data storage area within its documented configuration. This can be useful in compatible systems that require application-related data to be stored on the memory card.

The precise use of this storage area depends on the controller, programming environment, and application design.

3.3 SRAM Technology

Static Random Access Memory allows data to be accessed directly and supports fast read and write operations. Unlike Flash EPROM, conventional SRAM is volatile and requires power or a suitable retention arrangement to preserve its contents.

The TSXMRP3384P uses a battery-backed SRAM arrangement. The condition of the battery and the card’s specific revision are therefore important maintenance considerations.

3.4 Online Program Modification

One advantage of compatible SRAM application memory cards is their support for application modification in online mode, subject to the controller and programming software capabilities.

This can be useful during commissioning, troubleshooting, and program refinement. Engineers must follow the applicable system procedures and maintain verified backups before modifying an operating application.

4. Role in Industrial Automation Systems

The TSXMRP3384P supports memory expansion in compatible Schneider Electric Modicon Premium PLC configurations.

Application Program Storage

The card provides application memory for supported control programs. This helps accommodate applications whose memory requirements exceed the resources available in the processor’s internal memory.

Additional Data Management

The card’s documented additional data storage capacity can support compatible applications that need extra storage beyond the application program area.

Commissioning and Program Development

SRAM memory can support online application modifications in supported configurations. This is useful when engineers need to refine control logic during commissioning or maintenance.

Legacy System Maintenance

Many industrial facilities continue to operate established Modicon Premium PLC systems. Correctly identified memory cards can help maintenance teams preserve existing controller configurations and avoid unnecessary hardware changes.

Application Protection

Application protection features depend on the supported processor and system configuration. Where available, the appropriate protection mechanisms should be configured according to site security and maintenance requirements.

5. Industrial Applications

The TSXMRP3384P may be used in compatible Modicon Premium installations across various industrial environments. Suitability must be confirmed for the exact controller and application.

Manufacturing and Assembly Lines

Manufacturing systems use PLC programs to coordinate conveyors, sensors, motors, actuators, and automated sequences. Suitable memory expansion supports applications requiring additional program or data storage.

Packaging Machinery

Packaging equipment relies on programmed sequences for product handling, filling, sealing, labeling, and material transfer. Memory expansion can support the storage requirements of compatible PLC applications.

Material Handling Systems

Conveyors, transfer stations, and sorting equipment use control logic to manage movement and operating sequences. A compatible memory card can form part of the controller configuration used for these tasks.

Process Automation

Industrial process equipment may depend on PLC programs for equipment sequencing, status monitoring, and process interlocks. Correct memory configuration supports the intended application architecture.

Legacy Modicon Premium Installations

The card is especially relevant when maintaining a compatible existing Modicon Premium system. The processor model, memory slot, and supported memory capacity should be checked before installation.

6. Installation and System Integration

Correct installation requires verification of the card reference, processor compatibility, and battery condition. The following steps provide a general checklist; the approved model-specific instructions take precedence.

Step 1: Verify the Product Reference

Confirm that the component label identifies the card as TSXMRP3384P. Compare the reference with the existing card, PLC documentation, and approved spare-parts records.

Step 2: Confirm Processor Compatibility

Identify the exact Modicon Premium processor model and hardware revision. Verify that the processor supports this memory card, its memory configuration, and the intended memory slot.

Step 3: Back Up the Application

Before removing or replacing the card, create and verify a backup of the PLC application and relevant configuration data using the supported programming tools.

Step 4: Check the Battery Condition

Because the card uses battery-backed SRAM, verify the battery status and replacement requirements for the specific card revision. Follow the approved battery replacement procedure to avoid losing stored information.

Do not remove the battery or card without understanding the controller’s data-retention requirements.

Step 5: Isolate the Equipment

Place the machine in a safe state and follow the site’s lockout/tagout procedure. Observe the manufacturer’s instructions regarding whether the processor must be powered down before the memory card is inserted or removed.

Do not assume that the card supports hot swapping.

Step 6: Inspect and Install the Card

Inspect the PCMCIA card and connector for damage or contamination. Use suitable electrostatic discharge precautions, then install the card in the specified slot and orientation.

Avoid excessive force when inserting the card.

Step 7: Check Controller Diagnostics

Restore power according to the approved procedure. Check processor status indicators and diagnostic messages to confirm that the memory card is recognized and the configuration is valid.

Step 8: Validate Application Operation

Verify that the expected application and data are available. Perform controlled functional tests and confirm the operation of relevant machine sequences and interlocks before returning the equipment to normal service.

7. Common Problems and Troubleshooting

Memory-related issues can result from battery degradation, incompatible hardware, incorrect installation, or application configuration problems.

7.1 Check Battery Status

Battery condition is particularly important for battery-backed SRAM. If the controller reports a battery warning, follow the specified maintenance procedure promptly to reduce the risk of losing stored information.

7.2 Verify the Application Version

Confirm that the application is compatible with the installed processor and memory configuration. If necessary, restore the verified application backup using the approved programming procedure.

7.3 Inspect the PCMCIA Interface

With the equipment safely isolated, inspect the card and its interface for physical damage, contamination, or improper seating.

7.4 Review Processor Diagnostics

Record error codes and status indications before changing settings or replacing additional components. Diagnostic information can help distinguish a memory-card fault from a processor or application problem.

7.5 Confirm the Supported Memory Configuration

Verify the application’s memory requirements against the processor’s limits and the card’s supported configuration. The memory available to an application may be restricted by both the processor and the expansion card.

8. Preventive Maintenance

Preventive maintenance helps preserve application data and supports the long-term reliability of compatible PLC installations.

• Monitor battery condition: Follow the specified battery inspection and replacement procedures.
• Maintain application backups: Keep current, verified copies of PLC programs and configuration files.
• Document memory configuration: Record the card reference, processor model, card revision, and application version.
• Use ESD protection: Apply appropriate electrostatic discharge precautions when handling the card.
• Store spare cards correctly: Protect unused components from moisture, contamination, impact, and electrostatic discharge.
• Monitor diagnostics: Investigate recurring memory or battery warnings rather than repeatedly resetting them.
• Record maintenance activities: Document battery replacements, card replacements, and application changes.
• Review recovery procedures: Ensure that authorized personnel can restore the correct application if memory data is lost.

Maintenance intervals should follow the applicable manufacturer instructions and the site’s operational requirements.

9. Compatibility and Replacement Considerations

Selecting a replacement for the TSXMRP3384P requires careful verification of its memory function and compatibility.

Exact Model Number

Confirm the complete reference TSXMRP3384P. Similar PCMCIA memory cards may differ in application capacity, additional data storage, battery arrangements, and processor support.

Processor Compatibility

Verify the exact Modicon Premium processor model and supported memory slot. Not every processor supports every memory expansion card.

Application and Data Capacity

The documented memory configuration is 384 Kwords for application memory and 640 Kwords for additional data storage. Confirm that the target controller and application can use this configuration.

Battery and Card Revision

Check the card’s revision and battery arrangement before replacement or maintenance. Battery requirements can vary between card generations and revisions.

Programming Environment

Confirm compatibility with the installed programming software, controller firmware, and application development workflow. This is especially important when maintaining legacy automation equipment.

Application Recovery

Ensure that a verified copy of the application is available before replacing the card. A replacement component should not be assumed to contain the required program or data.

Replacement recommendation: Use only a memory card verified for the exact processor and application. Similar physical dimensions or a related model number are not sufficient to establish compatibility.

10. Key Benefits

When used in a compatible configuration, the TSXMRP3384P provides several practical advantages:

• Application memory expansion: Provides a documented application memory area for compatible PLC processors.
• Additional data storage: Supports a separate data storage area within its specified memory configuration.
• SRAM read and write access: Supports direct memory access and application modification in compatible systems.
• Legacy system support: Helps maintenance teams manage established Modicon Premium installations.
• Application development flexibility: Supports online modification where the controller and programming environment permit it.
• Maintenance planning: Clear model identification and documented battery requirements help organize spare-parts management.

Actual performance and functionality depend on the target processor, software configuration, and condition of the memory card.

11. Frequently Asked Questions

Q1: What is the Schneider TSXMRP3384P?

The Schneider TSXMRP3384P is a PCMCIA SRAM memory expansion card for compatible Modicon Premium PLC configurations.

Q2: What is the memory capacity of the TSXMRP3384P?

Its documented configuration provides 384 Kwords of application memory and 640 Kwords of additional data storage. Confirm the supported usable memory against the target processor.

Q3: What are the dimensions and weight of the TSXMRP3384P?

The supplied specifications list dimensions of 85 × 54 × 5 mm and a weight of 0.05 kg.

Q4: Does the TSXMRP3384P require a battery?

The card uses battery-backed SRAM. Confirm the installed card revision, battery reference, and replacement procedure before maintenance.

Q5: Can the TSXMRP3384P be used with every Schneider Electric PLC?

No. It is intended for compatible Modicon Premium configurations. Processor compatibility and memory-slot requirements must be verified.

Q6: Can the application be modified while the PLC is running?

SRAM application memory cards support online application modifications in compatible configurations, subject to the controller and programming software capabilities.

Q7: What should be checked before replacing the card?

Verify the exact part number, processor model, memory requirements, card revision, battery condition, and availability of a verified application backup.

Q8: What happens if the battery fails?

Depending on the card’s condition and retention design, battery failure can place stored information at risk. Follow the approved battery maintenance procedure and address battery warnings promptly.

Q9: Does a replacement card contain the original PLC application?

The presence of a particular application should not be assumed. Confirm the supplied card’s condition and contents, and prepare a verified backup or restoration procedure where necessary.

12. Conclusion

The Schneider TSXMRP3384P PCMCIA SRAM Memory Expansion is an industrial automation memory card designed for compatible Modicon Premium PLC systems. Its documented memory configuration provides 384 Kwords of application memory and 640 Kwords of additional data storage, supporting the requirements of suitable controller applications.

For maintenance engineers and industrial spare-parts buyers, correct processor compatibility, battery condition, and application backup procedures are essential. Before installation or replacement, verify the card reference, processor model, memory configuration, and applicable programming requirements.

The supplied dimensions are 85 × 54 × 5 mm, and the listed weight is 0.05 kg. Confirm the physical specifications and card revision before ordering to support accurate replacement planning and reliable maintenance.