Allen-Bradley MicroLogix 1100 Instruction Set Reference Manual

Publication 1763-RM001C-EN-P - October 2009
54 Function Files
Memory Module
Information Function
File
The controller has a Memory Module Information (MMI) File which is
updated with data from the attached memory module. At power-up or on
detection of a memory module being inserted, the catalog number, series,
revision, and type are identified and written to the MMI file in the user
program. If a memory module is not attached, zeros are written to the
MMI file.
The memory module function file programming screen is shown below:
The parameters and their valid ranges are shown in the table below.
FT - Functionality Type
The LSB of this word identifies the type of module installed:
• 1 = Memory Module (MM1)
MMI Function File Parameters
Feature Address Data Format Type User Program
Access
FT - Functionality Type MMI:0.FT word (INT) status read-only
MP - Module Present MMI:0/MP binary (bit) status read-only
WP - Write Protect MMI:0/WP binary (bit) control read-only
FO - Fault Override MMI:0/FO binary (bit) control read-only
LPC - Program Compare MMI:0/LPC binary (bit) control read-only
LE - Load On Error MMI:0/LE binary (bit) control read-only
LA - Load Always MMI:0/LA binary (bit) control read-only
MB - Mode Behavior MMI:0/MB binary (bit) control read-only
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Allen-Bradley MicroLogix 1100 Specifications

General

Brand	Allen-Bradley
Model	MicroLogix 1100
Category	Controller
Language	English