Rockwell Automation 1771-OQ16/C Isolated Output Module Installation Instr - Manual (Page 10)

DC (24V) Isolated Output Module 10
Publication 1771ĆIN057B-EN-P - November 2002
The module has 18 indicators, consisting of 16 output status
indicators, an active indicator and a fuse blown indicator. The 16
status indicators will light when an ”on” signal has been
communicated between the module and the system backplane.
Status Indicators
Output State Indicators
(red)
ACTIVE Indicator (green)
Fuse Blown Indicator
(red)
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00
01
02
03
04
05
06
07
10
11
12
13
14
15
16
17
ACTIVE
FUSE
The ACTIVE indicator will light when the module has started up and
successfully initialized. The FUSE blown indicator will light when
the fuse has cleared or been removed and the channel associated with
that fuse has been turned ”on.” The fuse-blown circuit will not
operate if the applied voltage to that channel is above the specified
minimum ”on-state” voltage, and the output load current is less than
or equal to 5mA. The FUSE blown indicator will reset after the fuse
has been replaced and chassis power has been cycled.
Interpreting the Status
Indicators