Allen-Bradley MicroLogix 1400 - Page 683

Publication 1766-RM001A-EN-P - October 2008
Index 681
ESC 540
JOG 539
OK 540
POT0 539
POT1 539
SCD 536
Sub-Elements 535, 536
TIF 538
TO 537
WND 540
LCD Instruction 542
Addressing Modes and File Types 542
Default Values 543
Displaying Special Characters 544
Getting Value with Keypad 543
Use 542
LCD Overview 533
least significant bit (LSB) 671
LED (light emitting diode) 671
LEQ instruction 192
LES instruction 191
less than instruction 191
less than or equal to instruction 192
LFL instruction 282
LFU instruction 284
LIFO (Last-In-First-Out) 671
LIFO load instruction 282
LIFO unload instruction 284
LIM instruction 194
limit instruction 194
LN Insrtuction 227
load memory module always bit 557
load memory module on error or default program bit 556
local messages 413
LOG Insrtuction 229
logic 671
logical instructions 255
logical NOT instruction 260
logical OR instruction 258
low byte 671
M
major error code status 565
major error detected in user fault routine status bit 563
major error halted status bit 558
manuals, related 14
mask compare for equal instruction 193
masked move instruction 264
master control relay (MCR) 671
master control reset instruction 300
math instructions 197, 237
math overflow selection bit 561
math register status 567
maximum scan time status 568
MCR instruction 300
memory 40
clearing controller memory 51
memory mapping
MicroLogix 1200 I/O
18
memory module boot status bit 564
memory module compare bit 560
memory module information function file 60
fault override 61
functionality type 60
load always 62
load on error 62
mode behavior 62
module present 61
program compare 61
write protect 61
memory module password mismatch status bit 564
memory usage
checking controller memory usage
44
MicroLogix 1500 instructions 545
MEQ 193
MEQ instruction 193
message
Quick Start example
638
message (MG) file 399
message errors 466
message instruction 398
message reply pending status bit 569
messages
local
413
local messaging examples 423
remote 439
messaging
remote station-to-remote station
596
messaging overview 393
MicroLogix 1400 scan time example 550
minor error bits 563
MMI function file 60
mnemonic 671
Modbus definition 672
Modbus RTU protocol 611
Modbus to MicroLogix memory map 617, 618, 619, 621
mode behavior 558
mode status 554
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