OVERVIEW

Official designation: Allen-Bradley 1762-MM1RTC (MicroLogix 1200, Memory Module with Real-Time Clock)

Role/Application: Combination module for MicroLogix 1200 controllers providing 16 KB non-volatile memory and battery-backed real-time clock for timestamping and program backup.

KEY SPECS SUMMARY

Power: Provided by controller backplane

Interfaces / Ports: Internal module slot

Indicators: None

Operating Temp: 0 to 55 degrees C

Platform / Compatibility: MicroLogix 1200 controllers

Limit: 16 KB program and data storage

Lifecycle: Existing

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the expected battery life for the Real-Time Clock function?

A: The battery is expected to last for five years minimum.

Wiring & Installation:

Q: How is the 1762-MM1RTC module installed into the controller unit?

A: The module is inserted into the memory module slot on the controller.

Troubleshooting & Compatibility:

Q: Can this module be hot-swapped while the controller is running?

A: No, the controller must be in Program mode to remove or insert the module safely.

Replacement & Upgrades:

Q: What are the functions of the interrupt and pulse catch inputs mentioned in the description?

A: The module itself does not have I/O; those features are inherent to the MicroLogix 1200 controller.