Rockwell Automation 1756-IH16ISOE ControlLogix Sequence of Events Module User Manual
Page 10

Publication 1756-UM528A-EN-P - April 2004
Table of Contents 4
Troubleshooting the Sequence of
Events Module
What This Chapter Contains . . . . . . . . . . . . . . . . . . . . . . . 8-1
Using LED Status Indicators . . . . . . . . . . . . . . . . . . . . . . . . 8-1
Using RSLogix 5000 To Troubleshoot the Module . . . . . . . . 8-2
Determining Fault Type . . . . . . . . . . . . . . . . . . . . . . . . 8-4
Chapter Summary and What’s Next . . . . . . . . . . . . . . . . . . 8-4
Specifications and Module
Block Diagrams
1756-IB16ISOE Specifications. . . . . . . . . . . . . . . . . . . . . . . A-1
1756-IB16ISOE Module Block Diagram . . . . . . . . . . . . . . . A-4
1756-IH16ISOE Specifications . . . . . . . . . . . . . . . . . . . . . . A-5
1756-IH16ISOE Module Block Diagram . . . . . . . . . . . . . . . A-8
Integrating The HiProm GPS
Module (1756HP-GPS) into a
ControlLogix Sequence of Events
Module System
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
What is the 1756HP-GPS Module? . . . . . . . . . . . . . . . . . . . B-2
Correlating CST with UCT . . . . . . . . . . . . . . . . . . . . . . B-2
Determining the Absolute First Fault Across Multiple Chassis B-4
How Does the ControlLogix Controller Retrieve
Converted Value from the 1756HP-GPS Module? . . . . . . . . B-6
Converting Timestamps from CST Format to Universal
Coordinated Time Format . . . . . . . . . . . . . . . . . . . . . . . . . B-8
Synchronizing CSTs Across
Multiple Chassis
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1
Using a Time Master . . . . . . . . . . . . . . . . . . . . . . . . . . C-1
Configuring 1756-SYNCH Modules in RSLogix 5000. . . . C-3
Synchronizing Chassis in ControlLogix Redundancy Systems C-4
Related SynchLink Documentation . . . . . . . . . . . . . . . . . . . C-5
Fault and Status Reporting Between the Module
and Controllers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-1
Module Tag Names and Definitions . . . . . . . . . . . . . . . . . . D-2
Tags Used in CST Point Per Mode . . . . . . . . . . . . . . . . D-2
Tags Used in FIFO Mode . . . . . . . . . . . . . . . . . . . . . . . D-7
Using Sample RSLogix 5000
Projects with the Sequence of
Events Module
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-1
Accessing the Sample Projects . . . . . . . . . . . . . . . . . . . . . . E-2
Glossary