6ES7954-8LF03-0AA0 SIEMENS memory card
Description And Features
The 6ES7954-8LF03-0AA0 is a 24 MB SIMATIC memory card used primarily with Siemens S7-1×00 series CPUs and SINAMICS drive systems.
It serves as non-volatile storage for user programs, hardware configurations, parameter data, and firmware updates.
Frequently Asked Questions About 6ES7954-8LF03-0AA0
Q1: What is the primary use of this memory card?
A: It stores user programs, configuration data, and firmware updates for Siemens S7-1×00 CPUs and
SINAMICS drives, enabling quick program transfer and reliable data retention.
Q2: How long does the data on the card remain valid?
A: The data retention is guaranteed for a minimum of 10 years, assuming typical write/erase cycles are not exceeded.
Q3: Is the card still supported since it is discontinued?
A: While the card is discontinued, existing inventory can still be used. Siemens recommends switching to the updated model 6ES7954-8LF04-0AA0.
Q4: Can I format the card with a regular computer?
A: No. Formatting with Windows or other non-Siemens tools can damage the card’s file system, making it unusable for Siemens CPUs.
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