Memory Card | Siemens | 6ES7954-8LF03-0AA0 6ES7 954-8LF03-0AA0 S7 MEMORY CARD FOR S7-1X00

Product Description: Siemens 6ES7954-8LF03-0AA0 8 MB Micro Memory Card (MMC)

The Siemens 6ES7954-8LF03-0AA0 is an 8 MB Micro Memory Card (MMC) used as a program and data storage medium for SIMATIC S7-300, S7-400, S7-1200, and S7-1500 controllers. It is essential for storing user programs, configuration data, firmware, and enabling the CPU to operate. As a mandatory component for most Siemens CPUs, this MMC offers high-speed access, robust data retention, and seamless integration with TIA Portal and STEP 7 environments.

Key Features

• 8 MB memory capacity
• Essential for program execution in SIMATIC CPUs
• Fast and secure data access
• Suitable for firmware updates and configuration backups
• Highly reliable data retention and rewrite cycles
• Compact micro memory card form factor
• Compatible with multiple SIMATIC CPU generations

Technical Specifications

• Part Number: 6ES7954-8LF03-0AA0
• Memory Size: 8 MB
• Form Factor: Micro Memory Card (MMC)
• Supported Systems: SIMATIC S7-300, S7-400, S7-1200, S7-1500
• Data Retention: ≥ 10 years
• Write/Erase Cycles: ≥ 100,000
• Read Access Time: < 0.5 ms
• Dimensions (W × H × D): Approx. 32 mm × 24 mm × 2 mm
• Weight: Approx. 5 g
• Operating Temperature: 0 °C to +60 °C
• Storage Temperature: –40 °C to +70 °C
• Certifications: CE, cULus, RoHS-compliant

Application Areas

• User program and configuration storage in SIMATIC automation systems
• Firmware update medium for Siemens CPUs
• Data logging and recipe handling in PLC applications
• System backup and restore for industrial control setups
• Commissioning and servicing of Siemens controllers

Advantages

• Enables CPU startup and operation in most SIMATIC PLCs
• Durable and reliable storage for industrial environments
• Supports seamless program transfer and duplication
• Reduces downtime during maintenance or firmware updates
• Fully compatible with Siemens TIA Portal and STEP 7 engineering tools