Rockwell-automation 1794-ID2 U.MNL INCREMENTAL ENCODER Manuel d'utilisateur télécharger pdf (Page 80)

8–2 Troubleshoot the Incremental Encoder Module

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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:

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See appendix A

For

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Rockwell-automation 1794-ID2 U.MNL INCREMENTAL ENCODER Manuel d'utilisateur Page 80