Allen Bradley 1785-ME32/A EEPROM Memory Card

Applications

• PLC-5 program backup and restore
Used to store controller logic and allow fast recovery of PLC-5 programs in case of memory loss or controller replacement.

• Industrial system commissioning support
Enables engineers to transfer tested control programs into controllers during startup and site commissioning.

• Maintenance and fault recovery operations
Provides a reliable method to restore automation systems after power failure, battery loss, or CPU replacement.

• Installed base legacy system support
Commonly used in long-life PLC-5 installations where system continuity must be maintained.

• Offline program storage and archiving
Allows secure storage of validated control programs for documentation and version control in industrial environments.

Key Advantages

• Non-volatile EEPROM storage
Retains PLC-5 program data without relying on battery-backed memory.

• Fast program recovery capability
Enables quick restoration of controller logic, reducing downtime during failures.

• Compatible with PLC-5 enhanced controllers
Designed specifically for integration with Allen-Bradley PLC-5 processor series.

• Reliable industrial-grade memory retention
Ensures stable program storage even under harsh environmental conditions.

• Simple plug-in installation
Easily inserted into the processor memory slot without complex configuration.

• Supports maintenance efficiency
Reduces engineering time during troubleshooting and system replacement.

Technical FAQs

1. What is the storage capacity of the 1785-ME32/A?
It typically provides 32K words of EEPROM memory for PLC program storage.

2. Does it require battery backup?
No, it is a non-volatile EEPROM device and retains data without battery power.

3. Can it store full PLC-5 programs?
Yes, it is designed to store complete PLC-5 application programs depending on memory size.

4. Is it hot-swappable?
No, it should only be inserted or removed with system power off.

5. What happens if the PLC loses its program?
The stored program can be restored from the EEPROM card during startup.

6. Is it compatible with all PLC-5 processors?
It is compatible with most PLC-5 enhanced and Ethernet processors supporting EEPROM backup.

7. Can it be rewritten multiple times?
Yes, EEPROM memory can be erased and reprogrammed repeatedly.

8. Does it store data tables as well as logic?
It typically stores controller program and selected configuration data.

9. Is special software required to use it?
Yes, programming software is needed to write or restore the memory contents.

10. What is its main purpose in industrial systems?
It serves as a backup and recovery medium for PLC-5 control programs.