Allen-Bradley MicroLogix 1400 Instruction Manual page 11

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LCD - LCD Information
MicroLogix 1400 Memory
Usage and Instruction
Execution Time
System Status File
Fault Messages and Error
Codes
Protocol Configuration
Knowledgebase Quick Starts # 17444 "Quick Start" Pulse Train Output (PTOX) . . . . . . . . . 629
DLG - Data Log Instruction . . . . . . . . . . . . . . . . . . . . . . . . . 525
Data Log Status File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 526
Retrieving (Reading) Records . . . . . . . . . . . . . . . . . . . . . . . . 528
Accessing the Retrieval File. . . . . . . . . . . . . . . . . . . . . . . . . . 529
Conditions that Will Erase the Data Retrieval File. . . . . . . . . . 532
Chapter 25
LCD Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 533
LCD Function File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 534
LCD Function File Sub-Elements Summary . . . . . . . . . . . . . . 535
LCD Function File Sub-Elements . . . . . . . . . . . . . . . . . . . . . . 536
LCD - LCD Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 542
Appendix A
Programming Instructions Memory usage and Execution Time 545
MicroLogix 1400
Scan Time Calculation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 550
Appendix B
Status File Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 552
Status File Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 553
Appendix C
Identifying Controller Faults . . . . . . . . . . . . . . . . . . . . . . . . . 577
Contacting Rockwell Automation for Assistance . . . . . . . . . . . 585
Appendix D
DH-485 Communication Protocol . . . . . . . . . . . . . . . . . . . . 588
DF1 Full-Duplex Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . 592
DF1 Half-Duplex Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . 593
DF1 Radio Modem Protocol . . . . . . . . . . . . . . . . . . . . . . . . . 604
Modbus RTU Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 611
ASCII Driver. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 623
Ethernet Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625
Appendix E
# 17446 "Quick Start" Pulse Width Modulation (PWMX) . . . . . 632
# 17447 "Quick Start" High Speed Counter (HSC) . . . . . . . . . 634
# 17465 "Quick Start" Message (MSG) . . . . . . . . . . . . . . . . . . 638
# 17501 "Quick Start" Selectable Timed Interrupt (STI). . . . . . 642
# 17503 "Quick Start" Real Time Clock (RTC) . . . . . . . . . . . . 644
# 17558 "Quick Start" User Interrupt Disable (UID) . . . . . . . . 646
Table of Contents
Publication 1766-RM001A-EN-P - October 2008
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