Siemens 6ES79538LJ310AA0 S7 Micro Memory Card

Product Description

The SIEMENS 6ES79538LJ310AA0 is a micro memory card designed for use with Siemens S7 programmable logic controllers (PLCs). This compact storage card provides onboard program and data retention for S7-series PLC systems, allowing control programs to be saved, transferred, and backed up without a separate programming device connection. Licensed controls technicians and industrial automation professionals install and service this type of card during commissioning, firmware updates, or program migration tasks. At 0.066 pounds and measuring 4.291 inches by 3.661 inches by 0.315 inches, it is a lightweight, low-profile component suited for panel and controller installations where space is a consideration.

The 6ES79538LJ310AA0 is intended for use in industrial automation environments where Siemens S7 PLCs are deployed. Typical applications include discrete manufacturing, process control panels, and building automation systems that rely on S7-series controllers for logic execution. The card slots directly into compatible S7 CPU modules, making it a standard service item for automation technicians performing program transfers, backup operations, or controller replacements in the field.

Key Features

• Compact micro memory card form factor for direct insertion into S7 PLC CPU slots
• Supports program storage, data retention, and backup functions on S7-series controllers
• Lightweight construction at 0.066 pounds for easy handling during panel service
• Low-profile dimensions (4.291 inches x 3.661 inches x 0.315 inches) fit tight enclosure layouts
• Sold individually (1 per pack) for straightforward single-unit replacement or stocking

Compatibility

Designed as an OEM-style memory card for use with Siemens S7-series PLC CPU modules that accept micro memory card storage.

Installation Notes

Installation and removal of PLC memory cards should be performed by a qualified automation or controls technician. Always power down the PLC and follow the controller manufacturer's documented card insertion and removal procedure before handling the memory card to prevent data corruption or damage to the CPU module. Avoid touching the card's electrical contacts, and store the card in its protective packaging when not in use. Consult applicable facility lockout/tagout procedures before servicing any live control panel.

Technical Specifications

• Length: 4.291 inches
• Width: 3.661 inches
• Height: 0.315 inches
• Weight: 0.066 pounds
• Quantity per Pack: 1
• UPC: 80476633715

Standard Information

• Brand: SIEMENS
• Manufacturer Part Number: 6ES79538LJ310AA0