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ℹ️ Additional Information
| Condition |
BRAND NEW |
|---|---|
| Manufacturer |
SIEMENS |
| Product Code |
200.208.11294 |
📦 Guarantee Terms
🗂️ Product Files
🖹 Description
SIMATIC S7, memory card for S7-1x 00 CPU/SINAMICS, 3, 3 V Flash, 4 MB
PLC Memory Card – Siemens SIMATIC S7 (6ES7 954-8LC03-0AA0)
This is a PLC memory card, specifically the 6ES7 954-8LC03-0AA0 manufactured by Siemens. It is a removable memory module used in SIMATIC S7 PLC systems for storing control programs, configuration data, and operational information.
What it is
The SIMATIC S7 memory card is a non-volatile storage device designed to work directly with Siemens PLC CPUs. It serves as a reliable medium for storing automation programs and system data, ensuring that critical information is preserved even in the event of power loss.
Unlike basic memory modules, this card can also support additional functions such as firmware storage and extended data handling, depending on the PLC model.
What it does
- Stores essential PLC data including:
o Control program (logic)
o Hardware configuration
o Data blocks and parameters - Enables:
o Program loading into the PLC CPU
o Backup and restore of applications
o System startup and automatic execution of stored programs
This ensures continuous and reliable operation of industrial systems.
Key details
- Capacity: 4 MB
• Compatible with Siemens SIMATIC S7 PLC series
• Non-volatile memory (retains data without power)
• Compact and easy to install
The higher capacity compared to older memory cards allows for more complex applications and larger programs.
How it works
- The memory card is inserted into the PLC CPU slot
• During startup, the PLC reads the stored program and configuration
• Engineers can upload, download, or clone programs using the card
• It can also be used for firmware updates or system recovery
This makes it an essential tool for both operation and maintenance.
Where it’s used
The Siemens memory card is widely used in:
• Industrial machines and automation systems
• Production lines and manufacturing facilities
• Process control applications
• Systems requiring reliable data storage and fast recovery
Typical usage
- Insert into PLC → automatic program loading
• Use as backup → quick recovery after failure
• Clone systems → replicate configurations across multiple machines
Comparison with Schneider memory card
| Feature | Schneider TSXMFP128K | Siemens 6ES7 954 |
| Platform | Modicon PLC | SIMATIC S7 |
| Capacity | 128 KB | 4 MB |
| Function | Program storage | Program + extended storage |
Advantages
- Higher storage capacity for complex applications
• Reliable non-volatile data retention
• Easy program transfer and duplication
• Supports maintenance and troubleshooting
• Essential for system recovery and uptime
Simple explanation
In simple terms, this is a memory card for a PLC—similar to an SD card. It stores the machine’s program and data so the system can run, be backed up, or be restored quickly whenever needed, ensuring minimal downtime in industrial environments.











