Rockwell-automation 1794-OB16D FLEX I/O Diagnostic Modules User Manual Manual de usuario Pagina 105

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103 Publication 1794-UM061A-EN-P - July 2006
Appendix
A
Interpret the Indicators
Introduction
This chapter provides the following:
About the Indicators
The diagnostic modules have indicators that let you check the module health
and operational status. The following status can be checked with the indicators.
Channel I/O Status - This indicator displays the ON/OFF state of the
input channel, as well as channel wiring fault conditions:
Off indicates the channel is off with no faults.
Yellow indicates the channel is on with no faults.
Red indicates either a channel open or short condition.
Module Fault Status- This indictor turns red for any individual
input/output channel open, short or module reverse power conditions.
With no fault, the module fault status indicator turns off.
Where:
1 = Channel bicolor Status indicator
2 = Insertable label for writing individual input/output designations
3 = Module bicolor Fault Indicator
For Information About See Page
About the Indicators 103
1794-IB16D Diagnostic Functional Details 104
1794-OB16D Diagnostic Functional Details 107
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24 VDC SINK INPUT WITH DIAGNOSTIC
1794-IB16D
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Allen-Bradley
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24 VDC SOURCE OUTPUT WITH DIAGNOSTIC
1794-OB16D
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Allen-Bradley
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