Schneider Electric TSXMRPC01M7 Modicon Quantum SRAM PCMCIA Memory Card

Designed for robust data retention and program storage within legacy control architectures, the Schneider Electric TSXMRPC01M7 provides configurable SRAM storage for Modicon Quantum automation systems. This PCMCIA Type I card ensures non-volatile memory allocation for critical application logic and register data, serving as a direct functional replacement for legacy storage modules in industrial environments.

Key Features

• 1.7MB SRAM Capacity: Configurable memory space optimized for application programs and system data storage under Unity Pro environments.
• Legacy Compatibility: Serves as the official replacement for the legacy TSXMRP3256P (256k words) memory card under PL7 configurations.
• PCMCIA Type I Form Factor: Standardized physical interface designed for secure insertion into Modicon Quantum CPU memory slots.
• SRAM Technology: High-speed read/write access cycles suitable for real-time industrial control operations.

Applications

• Program backup and recipe storage in legacy Modicon Quantum PLC systems.
• Data logging and parameter retention in continuous process industries.
• Maintenance and support of existing manufacturing lines running PL7 or Unity Pro legacy control applications.

Technical Specifications

Empirical Engineering Insights

Alternative Models & Compatibility

The TSXMRPC01M7 is backward-compatible with older PL7 applications, functioning as a direct drop-in replacement for the discontinued TSXMRP3256P. When migrating configurations from PL7 to Unity Pro, the memory allocation changes from word-based addressing to standard byte-based addressing, utilizing the full 1.7MB capacity.

Application Pitfalls & Engineering Notes

Because this card utilizes volatile SRAM technology to maintain high-speed access, it relies entirely on auxiliary battery backup to retain data when the PLC rack is powered down. If the CPU battery or the card's internal battery cell is depleted during a power outage, the stored application program and register configurations will be lost. Implement a strict preventative maintenance schedule to replace system batteries before they reach critical discharge levels.

Commissioning & Wiring Tips

Before inserting the card, inspect the 68-pin female connector on the PCMCIA slot for any bent pins. Ensure the card is oriented correctly; forcing the card into the slot backward can cause permanent physical damage to the CPU's internal interface pins.

Installation Guidelines