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

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UDC 3300 Controller Product Manual

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Image 164
Honeywell UDC 3300 manual Automatic Mode MAN-Manual Mode, Degrees Fahrenheit Degrees Celsius, Annunciators