What's next – Rockwell Automation 1794-ID2 U.MNL INCREMENTAL ENCODER User Manual
Page 80
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8–2
Troubleshoot the Incremental Encoder Module
Publication 1794ĆUM015B-EN-P - May 2001
Indicator
Indication
Explanation
A
Yellow
Input A active
Off
Input A not active
B
Yellow
Input B active
Off
Input B not active
Z
Yellow
Input Z active
Off
Input Z not active
G
Yellow
Input G active
Off
Input G not active
+
Yellow
On when a positive pulse is detected; turns off
on negative pulse.
-
Yellow
On when a negative pulse is detected; turns off
on positive pulse.
OK
Red
Red during initialization after power turned on
Green
Green when initialization is completed
When an input indicator (yellow) is lighted, it indicates that a valid
signal (active high or active low) is present at one of the Input
terminals.
To find out more about the ID2 module:
specifications on the ID2 module
See appendix A
For
Specifications
A
What's Next