Allen-Bradley 1764-MM1 Memory module

Allen-Bradley 1764-MM1 Memory module

Description

More than just user back-up, the memory module supports the following features:

User Program and Data Back-up

Program Compare

Data File Protection

Memory Module Write Protection

Removal/Insertion Under Power

User Program and Data Back-up：

The memory module provides a simple and flexible program/data transportmechanism, allowing the user to update the program in the controller without the useof a personal computer and programming software.

During transfers of a program to or from a memory module, the controller's RUNLED flashes.

Program Compare：

The memory module also provides program security, allowing you to specify that ifthe program stored in the memory module does not match the program in thecontroller, the controller will not be able to enter an executing (run or test) mode. Toenable this feature, set the S:2/9 bit in the system status file. See “Memory ModuleProgram Compare" on page G-10 for more information.

Data File Protection：

The memory module features the capability to specify which data files in thecontroller are protected from the download procedure.

Technical Specifications