Siemens Simatic PLC S7-300 PLC Memory Card for Program Read/Write. Siemens 6ES7953-8LJ20-0AA0 SIMATIC S7 Micro Memory Card 512KB. The Siemens Simatic S7-300 Micro Memory Card (MMC), model number 6ES7953-8LP31-0AA0, is an essential component used for storing and transferring data within the Siemens S7-300 series programmable logic controllers (PLCs).
Technical specifications and usage:
- Storage Capacity: Typically available in various storage capacities, commonly ranging from 2 MB to 12 MB.
- Data Storage: Stores PLC program code, data, and system configuration settings.
- Removable: Designed for easy insertion and removal from the PLC’s MMC slot.
- Compatibility: Specifically designed for use with Siemens Simatic S7-300 series PLCs.
- Model: 6ES7953-8LP31-0AA0
- Storage Capacity: Typically available in several capacities, such as 2 MB, 4 MB, 8 MB, or 12 MB (capacity may vary depending on the specific model variant).
- Program Storage: Stores the PLC application program and associated data.
- Data Backup: Enables backup and restoration of PLC programs and configuration settings.
- Firmware Updates: Facilitates firmware updates for the PLC.
- Configuration Management: Stores configuration files and parameters used by the PLC.
Installation and Operation:
- Installation:
- Insert the MMC into the designated slot on the Siemens S7-300 PLC.
- Ensure proper orientation and insertion to avoid damage.
- Programming and Configuration:
- Use Siemens Step 7 programming software to download the application program to the MMC.
- Configure the MMC settings and allocate memory space for program storage and data.
- Data Backup and Restoration:
- Regularly back up the program and data stored on the MMC to prevent data loss in case of PLC failure.
- Use the MMC to restore the PLC program and configuration settings when required.
- Maintenance:
- Periodically check and clean the MMC contacts to maintain reliable connection and data transfer.
- Ensure the MMC is securely stored when not in use to prevent damage or loss.
For detailed instructions on usage, handling, and troubleshooting of the Siemens Simatic S7-300 MMC (6ES7953-8LP31-0AA0), refer to the user manual and technical documentation provided by Siemens.