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MicroLogix 1400
Allen-Bradley MicroLogix 1400 User Manual
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MicroLogix 1400
Programmable
Controllers
Bulletins 1766
Instruction Set Reference
Manual
efesotomasyon.com - Allen Bradley,Rockwell,plc,servo,drive
2
Table of Contents
Default Chapter
5
Table of Contents
5
Preface
13
Common Techniques Used in this Manual
15
Purpose of this Manual
15
Who Should Use this Manual
15
Chapter 1 I/O Configuration Embedded I/O
16
Related Documentation
16
Rockwell Automation Support
16
I/O Configuration
18
Micrologix 1400 Expansion I/O
19
Micrologix 1400 Expansion I/O Memory Mapping
20
I/O Addressing
29
I/O Forcing
31
Input Filtering
31
Analog Inputs
32
Analog Outputs
34
Latching Inputs
35
Configure Expansion
37
Controller Memory and File Types
39
Types Data Files
40
Chapter 2
49
Protecting Data Files During Download
49
Static File Protection
51
Password Protection
52
Clearing the Controller Memory
53
Allow Future Access Setting (OEM Lock)
54
Web View Disable
54
LCD Edit Disable
55
Chapter 3 Function Files Overview
58
Function Files
58
Real-Time Clock Function File
59
RTA - Real Time Clock Adjust Instruction
61
Memory Module Information Function File
62
Base Hardware Information Function File
64
Communications Status File
65
Ethernet Communications Status File
82
Input/Output Status File
91
Publication 1766-RM001A-EN-P - October
92
Instruction Set
93
Using the Instruction Descriptions
94
Chapter 5 High-Speed Counter Overview
101
Programmable Limit Switch Overview
101
High-Speed Counter (HSC) Function File
102
High-Speed Counter Function File Sub-Elements Summary
104
HSC Function File Sub-Elements
105
HSL - High-Speed Counter Load
132
RAC - Reset Accumulated Value
133
Programmable Limit Switch (PLS) File
134
Chapter 6
141
PTO - Pulse Train Output
141
Pulse Train Output Function
141
Pulse Train Outputs (PTOX) Function File
145
Pulse Train Output Function File Sub-Elements Summary
146
PWM - Pulse Width Modulation
160
Pulse Width Modulation (PWMX) Function File
161
PWM Function
161
Pulse Width Modulated Function File Elements Summary
162
XIC - Examine if Closed XIO - Examine if Open
169
Chapter 7
171
OTE - Output Energize
171
OTL - Output Latch OTU - Output Unlatch
172
ONS - One Shot
173
OSR - One Shot Rising OSF - One Shot Falling
174
Chapter 8
177
Timer Instructions Overview
177
TON - Timer, On-Delay
181
TOF - Timer, Off-Delay
182
RTO - Retentive Timer, On-Delay
183
How Counters Work
184
CTU - Count up CTD - Count down
187
RES - Reset
188
Chapter 9
192
Using the Compare Instructions
192
EQU - Equal NEQ - Not Equal
193
GRT - Greater than LES - Less than
193
GEQ - Greater than or Equal to LEQ - Less than or Equal to
194
MEQ - Mask Compare for Equal
195
LIM - Limit Test
196
Math Instructions
199
Chapter 10 Using the Math Instructions
200
Updates to Math Status Bits
202
Using the Floating Point (F) Data File
203
ADD - Add SUB - Subtract
207
DIV - Divide
207
MUL - Multiply
207
ABS - Absolute Value
208
CLR - Clear
208
NEG - Negate
208
SCL - Scale
210
SCP - Scale with Parameters
211
SIN - Sine
213
SQR - Square Root
213
COS - Cosine
216
TAN - Tangent
218
ASN - Arc Sine
220
ACS - Arc Cosine
222
ATN - Arc Tangent
223
DEG - Radians to Degrees
225
RAD - Degrees to Radians
227
LN - Natural Log
229
LOG - Base 10 Logarithm
231
XPY - X Power y
233
CPT - Compute
236
Chapter 11
239
RHC - Read High Speed Clock
239
RPC - Read Program Checksum
241
TDF - Compute Time Difference
242
Application Specific Instructions
239
Chapter 12 Using Decode and Encode Instructions
245
Conversion Instructions
245
DCD - Decode 4 to 1-Of-16
246
ENC - Encode 1-Of-16 to 4
247
Publication 1766-RM001A-EN-P - October
247
FRD - Convert from Binary Coded Decimal (BCD)
248
TOD - Convert to Binary Coded Decimal (BCD)
252
GCD - Gray Code
255
Chapter 13 Using Logical Instructions
257
Updates to Math Status Bits
258
AND - Bit-Wise and
259
OR - Logical or
260
XOR - Exclusive or
261
NOT - Logical NOT
262
Chapter 14 MOV - Move
263
MVM - Masked Move
266
Chapter 15 CPW - Copy Word
270
Chapter 15 File Instructions CPW - Copy Word
270
COP - Copy File
271
FLL - Fill File
273
BSL - Bit Shift Left
274
BSR - Bit Shift Right
276
FFL - First In, First out (FIFO) Load
279
FFU - First In, First out (FIFO) Unload
281
LFL - Last In, First out (LIFO) Load
284
LFU - Last In, First out (LIFO) Unload
286
SWP - Swap
288
Chapter 16 Sequencer Instructions SQC- Sequencer Compare
290
Chapter 16 SQC- Sequencer Compare
290
SQO- Sequencer Output
293
SQL - Sequencer Load
296
Chapter 17 JMP - Jump to Label
299
JSR - Jump to Subroutine
300
LBL - Label
300
SBR - Subroutine Label
300
RET - Return from Subroutine
301
SUS - Suspend
301
TND - Temporary End
301
END - Program End
302
MCR - Master Control Reset
302
Publication 1766-RM001A-EN-P - October
303
Input and Output Instructions IIM - Immediate Input with Mask
305
Chapter 18
307
IOM - Immediate Output with Mask
307
REF- I/O Refresh
308
Chapter 19 Information about Using Interrupts
309
Using Interrupts
309
INT - Interrupt Subroutine
314
User Interrupt Instructions
314
STS - Selectable Timed Start
315
UID - User Interrupt Disable
316
UIE - User Interrupt Enable
317
UIF - User Interrupt Flush
318
Using the Selectable Timed Interrupt (STI) Function File
320
Using the Event Input Interrupt (EII) Function File
324
Chapter 20 The PID Concept
331
Process Control Instruction
331
The PID Equation
332
PD Data File
333
PID - Proportional Integral Derivative
334
Input Parameters
335
Output Parameters
339
Tuning Parameters
341
Runtime Errors
351
Analog I/O Scaling
352
Application Notes
353
Application Examples
358
Chapter 21 General Information
363
Instruction Types and Operation
364
Protocol Overview
365
String (ST) Data File
366
Control Data File
367
ACL - ASCII Clear Buffers
369
AIC - ASCII Integer to String
370
AWA - ASCII Write with Append
371
AWT - ASCII Write
374
ABL - Test Buffer for Line
376
ACB - Number of Characters in Buffer
377
ACI - String to Integer
378
ACN - String Concatenate
380
AEX - String Extract
381
Publication 1766-RM001A-EN-P - October
382
AHL - ASCII Handshake Lines
383
ARD - ASCII Read Characters
385
ARL - ASCII Read Line
386
ASC - String Search
388
ASR - ASCII String Compare
389
Timing Diagram for ARD, ARL, AWA, and AWT Instructions
391
Using In-Line Indirection
391
ASCII Instruction Error Codes
392
ASCII Character Set
394
ASCII Instructions
363
Communications Instructions Messaging Overview
395
Chapter 22
398
SVC - Service Communications
398
MSG - Message
400
The Message Element
401
Timing Diagram for the MSG Instruction
409
Communication Servicing Selection and Message Servicing Selection
412
MSG Instruction Ladder Logic
413
Local Messages
415
Configuring a Local Message
416
Local Messaging Examples
425
Remote Messages
441
Configuring a Remote Message
444
Configuring a Multi-Hop Remote Message on Ethernet/Ip Communication Channel
447
Configuring a Micrologix 1400 CIP Generic Message Via Ethernet
463
MSG Instruction Error Codes
468
Special Function with MSG Instruction
470
Configure MSG Setup Screen to Send SMTP Message
476
Chapter 23 Overview
481
Socket Interface Architecture
481
Communicate with the Socket Object Via a MSG Instruction
487
Programming Considerations
491
Socket Object Services
493
Possible Error Codes for Socket Services
510
Chapter 24 RCP - Recipe
513
Data Logging
520
Queues and Records
520
Configuring Data Log Queues
525
Publication 1766-RM001A-EN-P - October
526
DLG - Data Log Instruction
527
Micrologix 1400 Memory
527
Data Log Status File
528
Retrieving (Reading) Records
530
Accessing the Retrieval File
531
Conditions that will Erase the Data Retrieval File
534
Chapter 25 LCD Overview
535
LCD Function File
536
LCD Function File Sub-Elements Summary
537
LCD Function File Sub-Elements
538
LCD - LCD Instruction
544
Appendix A
547
Programming Instructions Memory Usage and Execution Time
547
Scan Time Calculation
552
Appendix B Status File Overview
554
Status File Details
555
Identifying Controller Faults
579
Appendix C Contacting Rockwell Automation for Assistance
587
Appendix D Communication Protocol
590
DF1 Full-Duplex Protocol
594
DF1 Half-Duplex Protocol
595
DF1 Radio Modem Protocol
606
Modbus RTU Protocol
613
ASCII Driver
625
Ethernet Driver
627
Knowledgebase Quick Starts # 17444 "Quick Start" Pulse Train Output (PTOX)
631
17446 "Quick Start" Pulse Width Modulation (PWMX)
634
17447 "Quick Start" High Speed Counter (HSC)
636
17465 "Quick Start" Message (MSG)
640
17501 "Quick Start" Selectable Timed Interrupt (STI)
644
17503 "Quick Start" Real Time Clock (RTC)
646
17558 "Quick Start" User Interrupt Disable (UID)
648
18465 "Quick Start" RTC Synchronization between Controllers
649
Publication 1766-RM001A-EN-P - October
649
18498 "Quick Start" Data Logging (DLG)
652
Appendix 26 Binary Numbers
663
Hexadecimal Numbers
665
Hex Mask
667
Glossary
669
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Allen-Bradley MicroLogix 1400 Specifications
General
Brand
Allen-Bradley
Model
MicroLogix 1400
Category
Controller
Language
English
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