Eclipse UDC2500 Limit - Monitoring Your Limit Controller; Table 4-2 Annunciators

Operating the Limit Controller
8/05 UDC2500 Universal Digital Limit ControllerProduct Manual 49
4.5 Monitoring Your Limit Controller
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 alarm latched and needs to be acknowledged
before extinguishing when the alarm condition ends
F or C
A visual indication of the temperature units
F—Degrees Fahrenheit
C—Degrees Celsius
Display Mode
The displays and indicators on the operator interface, as shown in Figure 4-1, let you see
what is happening to your process and how the Limit Controller is responding.
The Limit Controller is a single line display device except when in the SETUP mode or
the
LOWER DISPLAY key is pressed or limit has been reached.
This display can be one of two types:
Display Mode 1
The PV is displayed in the upper display and the lower display is blank.
Display Mode 2
The setpoint is displayed in the upper display and “SP” is displayed in
the lower display.
Viewing the operating parameters
Press the LOWER DISPLAY key to scroll through the operating parameters:
SP* Setpoint
PV Process Variable
*
You can press or to change the value of this parameter.
Timing out from lower display
The normal variable display will automatically return in the upper display if the LOWER
DISPLAY key is not pressed for 30 seconds.