Allen-Bradley MicroLogix 1100

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Publication 1763-RM001B-EN-P - April 2007

Communications Instructions 343

• DF1 Half-Duplex Master

• DF1 Half-Duplex Slave

• DF1 Radio Modem

• Modbus RTU Master

• Ethernet

For a description of valid communication protocols, see Knowledgebase

Quick Starts on page 539.

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Default Chapter3
- Firmware Revision History3
- Firmware Upgrades3
Summary of Changes3
- Table of Contents5
Embedded I/O13
- Micrologix 1100 Expansion I/O15
- Micrologix 1100 Expansion I/O Memory Mapping16
- I/O Addressing24
- I/O Forcing25
- Input Filtering25
- Analog Inputs26
- Latching Inputs28
- Configuring Expansion32
- I/O Using Rslogix 50032
- Common Techniques Used in this Manual33
Preface33
- Purpose of this Manual33
- Who Should Use this Manual33
- Related Documentation34
- Rockwell Automation Support34
Chapter 1 Controller Memory36
- Data Files40
- Types Data Files40
- Protecting Data Files During Download42
- Static File Protection44
- Password Protection45
- Clearing the Controller Memory46
- Allow Future Access Setting (OEM Lock)47
- Web View Disable (os Series B FRN 4 or Later)47
Chapter 2 Overview50
- Chapter 2 Function Files Overview50
- Real-Time Clock Function File51
- RTA - Real Time Clock Adjust Instruction53
- Memory Module Information Function File54
- Base Hardware Information Function File56
- Communications Status File57
- Ethernet Communications Status File71
- Input/Output Status File79
- Publication 1763-RM001C-EN-P - October80
- Instruction Set81
- Using the Instruction Descriptions82
Chapter 4 High-Speed Counter Overview89
- Programmable Limit Switch Overview89
- High-Speed Counter (HSC) Function File90
- High-Speed Counter Function File Sub-Elements Summary92
- HSC Function File Sub-Elements93
- HSL - High-Speed Counter Load118
- RAC - Reset Accumulated Value119
- Programmable Limit Switch (PLS) File120
PTO - Pulse Train Output127
Chapter 5128
- Pulse Train Output Function128
- Pulse Train Outputs (PTO) Function File133
- Pulse Train Output Function File Sub-Elements Summary134
- PWM - Pulse Width Modulation149
- PWM Function150
- Pulse Width Modulation (PWM) Function File150
- Pulse Width Modulated Function File Elements Summary152
XIC - Examine if Closed XIO - Examine if Open159
Chapter 6161
- OTE - Output Energize161
- OTL - Output Latch OTU - Output Unlatch162
- ONS - One Shot163
- OSR - One Shot Rising OSF - One Shot Falling164
Chapter 7167
- Timer Instructions Overview167
- TON - Timer, On-Delay171
- TOF - Timer, Off-Delay172
- RTO - Retentive Timer, On-Delay173
- How Counters Work174
- CTU - Count up CTD - Count down177
- RES - Reset178
Chapter 8180
Using the Compare Instructions180
- EQU - Equal NEQ - Not Equal181
- GRT - Greater than LES - Less than181
- GEQ - Greater than or Equal to LEQ - Less than or Equal to182
- MEQ - Mask Compare for Equal182
- LIM - Limit Test184
Math Instructions187
Chapter 9 Using the Math Instructions188
- Updates to Math Status Bits189
- Using the Floating Point (F) Data File190
- ADD - Add SUB - Subtract193
- MUL - Multiply194
- DIV - Divide194
- NEG - Negate194
- CLR - Clear194
- ABS - Absolute Value195
- SCL - Scale196
- SCP - Scale with Parameters197
- SQR - Square Root199
Chapter 10 Using Decode and Encode Instructions201
- DCD - Decode 4 to 1-Of-16202
- ENC - Encode 1-Of-16 to 4203
- FRD - Convert from Binary Coded Decimal (BCD)204
- TOD - Convert to Binary Coded Decimal (BCD)208
- GCD - Gray Code210
Conversion Instructions201
Chapter 11 Using Logical Instructions211
- Updates to Math Status Bits212
- AND - Bit-Wise and213
- OR - Logical or214
- XOR - Exclusive or215
- NOT - Logical NOT216
Logical Instructions211
Chapter 12 MOV - Move217
- MVM - Masked Move219
- Publication 1763-RM001C-EN-P - October220
Move Instructions217
File Instructions222
Chapter 13 CPW - Copy Word222
- COP - Copy File223
- FLL - Fill File225
- BSL - Bit Shift Left226
- BSR - Bit Shift Right228
- FFL - First In, First out (FIFO) Load230
- FFU - First In, First out (FIFO) Unload232
- LFL - Last In, First out (LIFO) Load234
- LFU - Last In, First out (LIFO) Unload236
- SWP - Swap238
Chapter 14 SQC- Sequencer Compare240
- Chapter 14 Sequencer Instructions SQC- Sequencer Compare240
- SQO- Sequencer Output243
- SQL - Sequencer Load246
Chapter 15 JMP - Jump to Label249
- LBL - Label250
- JSR - Jump to Subroutine250
- SBR - Subroutine Label250
- RET - Return from Subroutine251
- SUS - Suspend251
- TND - Temporary End251
- END - Program End252
- MCR - Master Control Reset252
Input and Output Instructions IIM - Immediate Input with Mask255
Chapter 16257
- IOM - Immediate Output with Mask257
- REF- I/O Refresh258
Chapter 17 Information about Using Interrupts259
- User Interrupt Instructions263
- INT - Interrupt Subroutine263
- STS - Selectable Timed Start264
- UID - User Interrupt Disable265
- UIE - User Interrupt Enable266
- UIF - User Interrupt Flush267
- Using the Selectable Timed Interrupt (STI) Function File268
- Using the Event Input Interrupt (EII) Function File272
- Publication 1763-RM001C-EN-P - October273
Chapter 18 The PID Concept279
- The PID Equation280
- PD Data File281
- PID - Proportional Integral Derivative282
- Input Parameters283
- Output Parameters287
- Tuning Parameters289
- Runtime Errors298
- Analog I/O Scaling299
- Application Notes300
- Application Examples304
Process Control Instruction279
Chapter 19 General Information309
- Instruction Types and Operation310
- Protocol Overview311
- String (ST) Data File312
- Control Data File313
- ACL - ASCII Clear Buffers314
- AIC - ASCII Integer to String316
- AWA - ASCII Write with Append317
- AWT - ASCII Write319
- ABL - Test Buffer for Line322
- ACB - Number of Characters in Buffer323
- ACI - String to Integer324
- ACN - String Concatenate326
- AEX - String Extract327
- AHL - ASCII Handshake Lines328
- ARD - ASCII Read Characters330
- ARL - ASCII Read Line331
- ASC - String Search333
- ASR - ASCII String Compare334
- Timing Diagram for ARD, ARL, AWA, and AWT Instructions336
- Using In-Line Indirection336
- ASCII Instruction Error Codes337
- ASCII Character Set339
ASCII Instructions309
Communications Instructions Messaging Overview341
Chapter 20344
- SVC - Service Communications344
- MSG - Message346
- The Message Element347
- Timing Diagram for the MSG Instruction356
- Communication Servicing Selection and Message Servicing Selection359
- MSG Instruction Ladder Logic360
- Local Messages361
- Configuring a Local Message363
- Local Messaging Examples373
- Remote Messages388
- Configuring a Remote Message391
- Configuring a Multi-Hop Remote Message on Ethernet/Ip Communication Channel394
- Configuring a Micrologix 1100 CIP Generic Message Via Ethernet (os Series B FRN 4 or Later)409
- MSG Instruction Error Codes414
- Special Function with MSG Instruction (os Series B FRN 4 or Later)416
- Configure MSG Setup Screen to Send SMTP Message422
Chapter 21 RCP - Recipe427
- Data Logging433
- Queues and Records433
- Configuring Data Log Queues437
- DLG - Data Log Instruction439
- Data Log Status File440
- Retrieving (Reading) Records442
- Accessing the Retrieval File442
- Conditions that will Erase the Data Retrieval File444
Chapter 22 LCD Overview445
- LCD Function File446
- LCD Function File Sub-Elements Summary447
- LCD Function File Sub-Elements448
- LCD - LCD Instruction453
- Programming Instructions Memory Usage and Execution Time457
Appendix A Scan Time Worksheet462
Appendix B Status File Overview466
- Status File Details467
- Publication 1763-RM001C-EN-P - October468
Fault Messages and Error Codes491
- Identifying Controller Faults491
- Contacting Rockwell Automation for Assistance499
Appendix D Communication Protocol502
- DF1 Full-Duplex Protocol505
- DF1 Half-Duplex Protocol506
- DF1 Radio Modem Protocol517
- Modbus RTU Protocol524
- ASCII Driver534
- Ethernet Driver536
- Knowledgebase Quick Starts # 17444 "Quick Start" Pulse Train Output (PTO)539
- 17446 "Quick Start" Pulse Width Modulation (PWM)542
- 17447 "Quick Start" High Speed Counter (HSC)544
- 17465 "Quick Start" Message (MSG)548
- 17501 "Quick Start" Selectable Timed Interrupt (STI)551
- 17503 "Quick Start" Real Time Clock (RTC)554
- 17558 "Quick Start" User Interrupt Disable (UID)555
Appendix E 18465 "Quick Start" RTC Synchronization between Controllers556
- 18498 "Quick Start" Data Logging (DLG)559
- Basic Requirements to Use 40Khz PTO and PWM in Micrologix Controller569
Appendix F569
- PTO and PWM Function File Changes in Series B Controller569
- Rslogix500 Display Issues570
- Instruction Issues571
Appendix 23 Binary Numbers579
- Hexadecimal Numbers581
- Hex Mask583
Appendix H System Related585
- Serial Communications Related585
- Ethernet Communications Related586
- Application Layer Related588
- Embedded IO Configuration Related588
- Web-Server Related588
- Rslogix500 Compatibility588
- Publication 1763-RM001C-EN-P - October589

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