ABB S800 I/O - AO890 Module Details

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A fixed meaning is assigned to the colors red, yellow and green:
5(' Danger or alarmWarning of potential danger or a situation which
requires immediate action
<(//2: Caution Change or impending change of condition, warning
*5((1 Safety Indication of a safe situation or authorization to
proceed, clear way.
For digital I/O on-states a definite meaning can not be assigned. For them the color
yellow is chosen. The Table 5-1 shows the meaning and colors of LED’s.
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For the location of LEDs the following rules are applied:
• Indications having the same meaning on every I/O module (for example,
FAULT, RUN, WARNING, OSP) are at the same position.
• The standard indications FAULT, RUN, WARNING and OSP (only output
modules), are always on the topmost position on every device (top: FAULT,
RUN, then WARNING, OSP).
• On the FCI: FAULT, RUN, POWER OK, TRAFFIC and for redundant FCI
also PRIMARY and REDUNDANCY OK.
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Fault; Error Red “FAULT”
Warning, I/O State Indications
and OSP (Outputs
Set as Predetermined)
Yellow OSP, Process error,
Digital I/O on-state,
Process voltage low, Traffic.
Normal Operation Green “RUN”, Normal operation,
Power OK.