PLC | SIMATIC S7-400 | Siemens | 6ES7952-1KL00-0AA0 6ES7 952-1KL00-0AA0 SIMATIC S7 Memory Card

Product Description: Siemens 6ES7952-1KL00-0AA0

The Siemens 6ES7952-1KL00-0AA0 is a 2 MB Flash EPROM memory card designed for use with the SIMATIC S7-400 programmable logic controller series. This memory card provides non-volatile storage for user programs and data, and it is essential for system operation, firmware updates, and program backups. The long-format card is built for durability in industrial automation environments and ensures secure, long-term data retention.

Key Features

• Memory Type: Flash EPROM
• Memory Capacity: 2 MB
• Operating Voltage: 5 V
• Form Factor: Long version (S7-400 standard)
• Write Cycles: Approx. 100,000
• Data Retention: ≥ 10 years
• Application: Program and data storage for S7-400 CPUs
• Hot Swappable: Yes, when used in compliant hardware

Technical Specifications

• Compatible PLC Series: SIMATIC S7-400
• Storage Capacity: 2 MB
• Memory Type: Flash EPROM
• Operating Voltage: 5 V
• Form Factor: Long Format
• Data Retention Time: ≥ 10 years
• Typical Write Cycles: ~100,000
• Weight: Approx. 50 g
• Operating Temperature Range: 0 °C to +60 °C
• Protection Class: IP00 (used internally in CPU slot)

Application Areas

• Program storage for SIMATIC S7-400 PLCs
• Backup of user logic and configuration data
• Transfer of applications between S7-400 CPUs
• Long-term retention of firmware and user programs in industrial systems

Advantages

• Reliable Data Storage: Non-volatile memory ensures data remains safe even without power
• Industrial-Grade Durability: Designed for harsh environments and long service life
• Seamless Integration: Fully compatible with all Siemens S7-400 CPU units requiring memory cards
• Convenient Handling: Easily inserted and removed for program transfer or updates