Faceplate Indicator Zone symbols
Point symbols
The following table only describes common Indicator Zone symbols on points. If you see a
symbol that is not described here, ask your supervisor or an experienced colleague for help.
Symbol
Description
The current set point.
The preferred set point.
These icons are paired together and appear on the OP indicator bar to show
direct or reverse control.
n
When the solid symbol appears at the top of the OP indicator bar and the
outline symbol appears at the bottom of the OP indicator bar, the point is
under direct control.
n
When the position of the symbols are reversed, that is, the outline symbol
appears at the top of the OP indicator bar and the solid symbol appears at
the bottom of the OP indicator bar, the point is under reverse control.
Tip:
Position the mouse pointer over the OP indicator bar to display a
ToolTip, which indicates if the point is under direct or reverse
control.
Appears on the PV indicator bar and shows that the PV value is undefined. The
PV quality is good, however, the value is NaN (not a number).
These LEDs are used in Power Function blocks to represent the state of
permissive and protective interlocks of the device.
Indicator Zone symbols for points
Using faceplates
Honeywell 2017
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