Allen-Bradley micrologix 1500 - Page 12

Publication 1762-RM001C-EN-P
Table of Contents vi
Chapter 22
Data Logging
(MicroLogix 1500 1764-LRP
Processor only)
Queues and Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-2
Configuring Data Log Queues . . . . . . . . . . . . . . . . . . . . . . 22-6
DLG - Data Log Instruction. . . . . . . . . . . . . . . . . . . . . . . . . 22-8
Data Log Status File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-9
Retrieving (Reading) Records . . . . . . . . . . . . . . . . . . . . . . 22-11
Accessing the Retrieval File . . . . . . . . . . . . . . . . . . . . . . . 22-11
Conditions that Will Erase the Data Retrieval File . . . . . . . 22-13
Appendix A
MicroLogix 1200 Memory
Usage and Instruction
Execution Time
Programming Instructions Memory Usage and Execution Time A-1
MicroLogix 1200 Scan Time Worksheet. . . . . . . . . . . . . . . . . A-7
Appendix B
MicroLogix 1500 Memory
Usage and Instruction
Execution Time
Programming Instructions Memory usage and Execution Time B-1
MicroLogix 1500 Scan Time Worksheet. . . . . . . . . . . . . . . . . B-6
Appendix C
System Status File Status File Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-2
Status File Details. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-3
Appendix D
Fault Messages and Error
Codes
Identifying Controller Faults . . . . . . . . . . . . . . . . . . . . . . . . . D-1
Contacting Rockwell Automation for Assistance. . . . . . . . . . . D-9
Appendix E
Protocol Configuration DH-485 Communication Protocol . . . . . . . . . . . . . . . . . . . . . E-2
DF1 Full-Duplex Protocol. . . . . . . . . . . . . . . . . . . . . . . . . . . E-5
DF1 Half-Duplex Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . E-6
Modbus™ RTU Slave Protocol . . . . . . . . . . . . . . . . . . . . . . . E-9
ASCII Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-13
Glossary
Index
MicroLogix 1200 and 1500 Alphabetical List of Instructions