Schneider Electric TSXMRPC768K configurable SRAM memory extension

Schneider Electric identifies TSXMRPC768K as a configurable SRAM application memory extension for a Modicon Premium processor. The product page records a 192 to 768 kB application range and describes PCMCIA RAM expansion for TSXMRPC768K.

Documented system function and position

Rebuilt from individual evidence

Schneider Electric identifies TSXMRPC768K as a configurable SRAM application memory extension for a Modicon Premium processor.

The product page records a 192 to 768 kB application range and describes PCMCIA RAM expansion for TSXMRPC768K.

Sits in the Premium processor PCMCIA memory path between engineering tools and the CPU.

Unknown: exact data partition, processor revision, current availability, and installation-specific compatibility are not established by the cited page.

Exact reference: TSXMRPC768K
Category: PLC / CPU
Evidence checked: 2026-09-12

System role

This section explains what the product does and where it acts in the surrounding system.

Function: Receives and stores editable Premium processor application data in SRAM.
System position: Sits in the Premium processor PCMCIA memory path between engineering tools and the CPU.
Upstream / inputs: Receives application data written through the Premium processor configuration.
Downstream / outputs: Supplies SRAM-resident application data to the Premium processor.
Limitations: Unknown: exact data partition, processor revision, current availability, and installation-specific compatibility are not established by the cited page.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

Schneider Electric identifies TSXMRPC768K as a configurable SRAM application memory extension for a Modicon Premium processor.
Confidence: high
- www.se.com — retrieved 2026-09-12; high confidence
The product page records a 192 to 768 kB application range and describes PCMCIA RAM expansion for TSXMRPC768K.
Confidence: high
- www.se.com — retrieved 2026-09-12; high confidence

Inferences

Sits in the Premium processor PCMCIA memory path between engineering tools and the CPU.
Confidence: medium
Rationale: The documented product function and interface establish the adjacent system stages.
- www.se.com — retrieved 2026-09-12; high confidence

Unknowns

Unknown: exact data partition, processor revision, current availability, and installation-specific compatibility are not established by the cited page.
Confidence: low
Missing evidence: exact data partition, processor revision, current availability, and installation-specific compatibility are not established by the cited page.

System position diagram

A flow from Receives application data written through the Premium processor configuration. through TSXMRPC768K to Supplies SRAM-resident application data to the Premium processor.. — System position inferred from the cited evidence: Sits in the Premium processor PCMCIA memory path between engineering tools and the CPU.

View Mermaid source

flowchart LR
  upstream["Receives application data written through the Premium processor configuration."] -->|"documented input"| item["TSXMRPC768K"]
  item -->|"documented output"| downstream["Supplies SRAM-resident application data to the Premium processor."]

View diagram labels

Nodes: Receives application data written through the Premium processor configuration.; Schneider Electric TSXMRPC768K configurable SRAM memory extension; Supplies SRAM-resident application data to the Premium processor.
Edges: Documented upstream interface; Documented downstream interface

Next action

Use TSXMRPC768K only when the required 192 to 768 kB application range matches the processor configuration.

Unknown: Confirm the exact marking, interfaces, processor configuration, and installation fit before replacement or commissioning.

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