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SIEMENS SIMATIC S7-300 SIMATIC Micro Memory Card 128 KB
SKU: 6ES7953-8LG31-0AA0
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Short Description
Pricing available on request
Description:
This MMC is a 128 KB Flash-EPROM memory module for SIMATIC S7-300, C7, and ET 200 systems.
It is a step up from the 64 KB model, providing greater space for program code, configuration data, and persistent storage—particularly beneficial in medium-sized automation settings.
Buy currently uses Select Automation shop pricing and checkout.
Specifications:
Memory Characteristics:
Type: Flash-EPROM.
Capacity: 128 KB.
Write/Delete Cycles: ≥ 100,000.
Data Retention: ≥ 10 years (after final programming).
Physical Dimensions:
Width: 24 mm.
Height: 32 mm.
Depth: 1.4 mm.
Weight: ~2 g.
Compliance & Approvals:
CE, UKCA, UL, RCM.
eClass: 27-24-22-12.
ETIM: EC000192.
UNSPSC: 43201402.
Application Notes:
Fully compatible with S7-300 CPUs including 317-2 PN/DP and 319-3 PN/DP.
Required for CPU boot, program execution, and data retention.
Ideal for storing larger logic blocks, parameter sets, or diagnostics.
Not suitable for high-frequency logging or large-scale buffering—consider higher-capacity MMCs for that.