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152 UDC 3300 Controller Product Manual 4/00
Annunciators
The following annunciator functions have been provided:
A visual indication of each alarm
ALM 1 2
Blinking 1 indicates alarm latched and needs to be
acknowledged before extinguishing when the alarm
condition ends.
A visual indication of the control relays
OUT 1 2
A visual indication of the mode of the controller
A—Automatic Mode
MAN—Manual Mode
A visual indication of the temperature units
F—Degrees Fahrenheit
C—Degrees Celsius
A visual indication of the digital inputs
1 2
A visual lamp when the RSP or LSP 2 is active
■
A visual indication when LSP 3 is active
3
The upper left digit of the display is used to show other annunciator
functions
T—Accutuning in process
t—PV tune in process
L″—Loop 2 display
I—Cascade control (when Loop 1 is displayed)
C—Computer setpoint active
O—Output override active