Siemens 6ES79720BB520XA0 Plc Memory Card

Product Description

The SIEMENS 6ES79720BB520XA0 is a memory card designed for use with Siemens SIMATIC S7 programmable logic controller systems. It provides non-volatile program and data storage, allowing PLC programs, configuration data, and project files to be retained without a battery backup. The card is compact and slots directly into compatible S7 CPU modules, making it a standard component for industrial automation installations. Weighing 0.11 pounds and measuring 3.15 inches long by 2.37 inches wide by 1.19 inches tall, the unit is purpose-built for the SIMATIC platform and is typically handled by industrial electricians or automation technicians during system commissioning or program updates.

This memory card is suited for industrial control panel environments where PLC program integrity and data retention are required. It is commonly installed during initial system setup, firmware migration, or when replacing a failed storage card in an existing automation system. The form factor is consistent with the SIMATIC S7 CPU card slot standard, making it a direct-fit component for qualified technicians performing system maintenance or upgrades in manufacturing, process control, and building automation applications.

Key Features

• Non-volatile memory storage retains PLC program and data without battery backup
• Compact card form factor slots directly into compatible SIMATIC S7 CPU modules
• Supports program transfer, firmware updates, and project data storage
• Lightweight at 0.11 pounds for easy handling during installation
• Consistent physical dimensions for reliable seating in the CPU card slot

Compatibility

Designed as an OEM-style memory card replacement for compatible Siemens SIMATIC S7 series PLC CPU modules. Verify CPU module compatibility against Siemens documentation before installation.

Installation Notes

Installation should be performed by a qualified automation technician or licensed electrician familiar with SIMATIC S7 systems. Always power down the PLC and follow lockout/tagout procedures before inserting or removing the memory card. Consult the applicable CPU module documentation for proper card insertion orientation and any required firmware or project transfer steps. Handle the card carefully to avoid electrostatic discharge damage.

Technical Specifications

• Length: 3.15 inches
• Width: 2.37 inches
• Height: 1.19 inches
• Weight: 0.11 pounds
• UPC: 66264340618

Standard Information

• Brand: SIEMENS
• Manufacturer Part Number: 6ES79720BB520XA0