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The TSXMRPC002M (TSX-MRP-C002M) is a high-reliability PCMCIA Type II memory extension module for the Schneider Electric Modicon Premium and Atrium PLC series. It provides 2 MB of SRAM (volatile memory) to expand application program storage, manage complex data tables, and support advanced system symbols. This module is ideal for processors that require additional memory due to high I/O counts or sophisticated control algorithms.
Designed for industrial environments, the TSXMRPC002M ensures high-speed data access to maintain deterministic scan times. The module includes a replaceable lithium battery to preserve SRAM contents during power loss or module removal, and its plug-and-play design allows quick installation in the front-facing PCMCIA slot without extra hardware.
| Parameter | Specification |
|---|---|
| Memory Technology | Static RAM (SRAM) |
| Storage Capacity | 2 MB |
| Hardware Format | PCMCIA Type II Card |
| Compatibility | Modicon Premium (TSX57) and Atrium (TSXPCI57) Processors |
| Function | Application program and data backup/expansion |
| Data Retention | Battery-backed (replaceable lithium battery) |
| Write/Read Cycles | Unlimited (SRAM standard) |
| Weight | 0.05 kg |
| Environmental Resistance | Ruggedized metal casing for EMI shielding |
| Operating Temperature | 0°C to +60°C |
Battery-status monitoring communicates with the CPU.
When battery voltage falls below safe levels, the CPU’s “BAT” LED alerts maintenance staff.
Recommended: replace the battery while the PLC is powered to maintain SRAM energization during swap.
Can the TSXMRPC002M be used for firmware storage?
No, this SRAM card is for application programs and process data only. Firmware updates require Flash (TSXMFP) or EEPROM cards with non-volatile storage.
What happens if I remove the card while the PLC is running?
Removing the TSXMRPC002M during "RUN" mode causes an immediate processor fault and system halt, as the CPU loses access to the logic stored on the card. Always stop the processor before extraction.