Configuration 
4/07  UDC2500 Universal Digital Controller Product Manual  83 
Function Prompt  
Lower Display 
Selection or Range of Setting 
Upper Display 
English  Numeric 
Code 
English  Numeric 
Code 
Parameter  
Definition 
FREQ 1203 
 
60 
50 
 
0 
1 
POWER LINE FREQUENCY—Select 
whether your controller is operating at 50 or 
60 Hertz. 
 ATTENTION   For controllers powered by 
+24 Vdc, this configuration should be set to 
the AC line frequency used to produce the 
+24 Vdc supply. 
Incorrect setting of this parameter may cause 
normal mode noise problems in the input 
readings. 
DISPLY 1205 
 
 
 
 
 
 
SP 
PRY 
 
PRN 
 
 
 
 
 
 
0 
1 
 
2 
DEFAULT DISPLAY—For single display 
units, only.  This setting selects the default 
parameter shown on the upper display.  
Pressing the LOWER DISPLAY key will 
cycle through all applicable values. One 
minute after the last press of the display key, 
the display will revert to the display 
configured here.  
SETPOINT—Active Setpoint 
PV-YES—Process Variable with lower 
display prompt. 
PV-NO—Process Variable with no lower 
display prompt. 
LWRDSP 1204 
 
ENAB 
DIS 
 
0 
1 
LOWER DISPLY—For dual display units, 
only. Select whether the unit uses single or 
dual display. 
ENAB—Enable Dual Display 
DIS—Disable Dual Display (Single Display 
Only) 
LNGUAG 1206 
 
ENGL 
FREN 
GERM 
SPAN 
ITAL 
NUMB 
 
 
0 
1 
2 
3 
4 
5 
LANGUAGE—This selection designates the 
prompt language. 
ENGLISH 
FRENCH 
GERMAN 
SPANISH 
ITALIAN  
NUMERIC 
TCDIAG 1207 
 
ENAB 
DIS 
 
 
 
0 
1 
THERMOCOUPLE DIAGNOSTICS—Enable 
or disable Thermocouple diagnostic 
messages. 
ENAB—Enable Diagnostic Messages 
DIS—Disable Diagnostic Messages