Monitoring and Operating the Controller 
4.5  Monitoring Your Controller 
4.5.1 Annunciators 
The following annunciator functions have been provided to help monitor the controller: 
Table 4-2  Annunciators 
Annunciator  Indication 
ALM 1 2 
 
A visual indication of each alarm 
Blinking 1 indicates an alarm latched condition.  The blinking will 
continue even after the alarm condition ends until it is acknowledged by 
pressing the RUN/HOLD key. 
OUT 1 2 
A visual indication of the control relays 
DI 1 2 
A visual indication of each Digital Input 
A or MAN 
A visual indication of the mode of the controller) 
  A—Automatic Mode 
  MAN—Manual Mode 
[None], F or C 
A visual indication of the temperature units  
  [None]—No temperature unit annunciator 
F—Degrees Fahrenheit 
  C—Degrees Celsius 
■ 
A visual Lamp to indicate when the lower display is showing the Active 
Setpoint (Local 1, Local 2, Local 3, Remote Setpoint or Computer 
Setpoint) 
 
The upper left digit of the display is used to show other annunciator 
functions 
  T—Accutuning in process 
  C—Computer overide active 
  O—Output override active 
 
100  UDC3200 Universal Digital Controller Product Manual  12/04