Description
Schneider Electric TSX SRAM Memory Extension Module
Configured for application and file memory expansion in Modicon Premium processor environments, the Schneider Electric TSX SRAM Memory Extension Module (TSX SRAM Memory Extension Module SRAM accessory module) provides direct physical memory extension execution within TSX570 to TSX576 controller platforms.
Suffix Breakdown & Model Matrix
No explicit suffix decomposition is defined in the provided documentation. The module is referenced as a configurable SRAM application/file memory extension accessory for Modicon Premium processors.
Hardware Specifications
| Parameter |
Specification |
| Model |
TSX SRAM Memory Extension Module |
| Brand |
Schneider Electric |
| Weight |
0.076 kg (0.17 lb US) |
| Memory Type |
SRAM |
| Application Memory Capacity |
192 kB to 2048 kB |
| Data Storage Capacity |
Up to 1856 kB (as specified range data) |
| Slot Position |
Slot 0 |
| Compatible Processors |
TSX570 to TSX576, TSX57C, TSXPCI572/3 |
Backplane Memory Interface and Modicon Premium Architecture Behavior
The TSX SRAM memory extension operates as a slot-mounted memory resource integrated into the Modicon Premium backplane architecture. Memory mapping is executed through deterministic backplane communication cycles, ensuring consistent addressing between processor and SRAM extension block.
Backplane bus arbitration is handled at controller level, where SRAM access latency is governed by processor cycle synchronization and firmware memory allocation tables. Firmware compatibility constraints apply depending on TSX processor generation, particularly in configuration download and runtime memory refresh sequences across TSX57C series CPUs.
Frequently Asked Questions
Q: Does the module support hot-swap insertion in TSX Premium racks?
A: No hot-swap operation is defined. Memory module insertion must be performed under controlled power-down conditions to prevent SRAM corruption during address mapping initialization.
Q: How is memory mapped between application and file storage regions?
A: Memory allocation is managed by the TSX processor firmware, which partitions SRAM into application and file storage regions during initialization based on configuration parameters.
Q: Is firmware synchronization required after installation?
A: Yes. The processor must reinitialize memory mapping tables after installation to ensure correct backplane recognition and SRAM address alignment.
Field Installation Guidelines
Ensure controller power is fully isolated before inserting the SRAM module into Slot 0 of the TSX rack. Verify that the module is fully seated in the backplane connector to maintain stable address bus continuity. Avoid electrostatic discharge during handling by using grounded ESD protection procedures.
Do not force insertion if mechanical resistance is detected, as backplane pin misalignment may result in memory recognition failure. After installation, perform a full controller power cycle to allow firmware to re-map SRAM allocation tables.
