Siemens 6ES7953-8LJ31-0AA0 SIMATIC S7-300 512KB Micro Memory Card

Product Overview

Key Features & Technical Specifications

• Storage Capacity: Provides 512 KB of high-performance nFlash memory space for PLC logic and project routing data.

• System Compatibility: Exclusively designed as a mandatory storage unit for SIMATIC S7-300, C7, and ET 200 CPU modules.

• Non-Volatile Retention: Ensures long-term data security and program backup during unexpected power outages without needing a battery.

• Operating Voltage: Operates efficiently on standard 3.3 V DC supplied directly from the host CPU memory slot.

• Industrial Longevity: Supports a minimum of 100,000 erase/write operations, guaranteeing a long lifespan in harsh environments.

• Physical Format: Standardized compact SIMATIC MMC dimensions (24 mm x 32 mm x 1.4 mm) for secure slot insertion.

• Firmware Updates: Allows convenient field firmware updates and system reconfigurations for connected PLC automation modules.
  

Applications

The 6ES7953-8LJ31-0AA0 Micro Memory Card is universally applied in all industrial environments utilizing S7-300 and ET 200 automation systems. It is indispensable for machinery OEMs, automated production lines, power generation facilities, and municipal utility stations, as these advanced CPUs cannot operate without a designated MMC. By securely storing the complete PLC project, hardware configuration, and fault diagnostic buffers, this memory card guarantees rapid system recovery and reliable machine restarts after power interruptions.

Henan 4.0 Automation Equipment Co., Ltd. is a one-step service manufacturer, mainly representing a full range of industrial control products from Siemens, Schneider, and Huichuan, and developing and producing distributed PLC IO modules and frequency converters under its GKONE brand; Production, research and development, and sales of low-voltage electrical products: fan filters, heaters, thermostat and hygrostat, control transformers, wiring terminals, cabinet lights, wire ducts, and various accessories, and provision of assembly for the entire cabinet.
The company has an efficient, professional, and experienced high-tech R&D team and multiple fully automated production lines, ensuring the automation, standardization, precision, and efficiency of the production process. The company has been rated as a national high-tech enterprise and has obtained certifications of ISO9001, ISO14001, and ISO45001.
The quality of each delivered goods are independently guaranteed by our complete technology process, detailed operation procedure and strict quality testing system. And have also won unanimous praise from our customers. Our customers are gradually increasing and covering Europe, North and South America, and Asia, There are over 50 countries and regions in Oceania and South Africa.
Integrating the highest quality supply chain in China and providing customers with cost-effective products and services made in China has always been our pursuit. We look forward to extensive cooperation and common development with you.