Four-character led display – Rockwell Automation 1756-HIST2G FactoryTalk Historian ME 2.1 Installation Instructions User Manual
Page 18
 
18 FactoryTalk Historian Machine Edition Module
Publication
1756-IN611A-EN-P - February 2010
Four-character LED Display
The four-character LED display provides system status in a static and/or 
scrolling string on the front panel of the FactoryTalk Historian ME Module. 
Once an application is started, it has the responsibility of controlling this 
display.
The four-character LED display provides the following information:
OK
Green
Module status.
Single bi-color red/green 
LED. Red indicates a 
major fault has occurred 
in the module. Green 
indicates the module is 
operating normally.
Process or component
Four-character display
Description
Start-up or re-set
INIT
Displays “INIT” for 3-5 
seconds when initializing 
start-up or re-set.
Start-up or re-set
OK
Displays “OK” for 3-5 
seconds if the 
initialization of all major 
software components 
was successful.
Shutting down
SHUTTING DOWN
Displays “SHUTTING 
DOWN” during the 
shutdown process. 
Shut down
SHUT DOWN
Displays “SHUT 
DOWN” when shut 
down is finished. 
LED light
On power-up
Status
Description