Configuration 
72  UDC2500 Universal Digital Controller Product Manual  4/07 
Function Prompt  
Lower Display 
Selection or Range of Setting 
Upper Display 
English  Numeric 
Code 
English  Numeric 
Code 
Parameter  
Definition 
automatically restart at the initial Setpoint 
value. 
If power to the unit is lost while while a SP 
Ramp or Program was running, then if the 
contact is closed at power up, the unit will 
automatically restart the SP Ramp or 
Program at the captured Setpoint value. 
DI1COM 906 
 
 
DIGITAL INPUT 1 COMBINATION 
SELECTIONS —This selection allows the 
specified function to occur in addition to the 
one chosen for DIG IN 1. 
 
 DIS 
0 
DISABLE—Disables combination function. 
 
 +PD2 
1 
PLUS PID2—Contact closure selects PID 
Set 2. 
 
 +DIR 
2 
PLUS DIRECT ACTION—Contact closure 
selects direct controller action. 
 
 +SP2 
3 
PLUS SETPOINT 2—Contact closure puts 
the controller into setpoint 2. 
 
 +SP1 
4 
PLUS SETPOINT 1—Contact closure puts 
the controller into setpoint 1. 
 
 +RUN 
5 
PLUS RUN SETPOINT 
PROGRAM/RAMP—Contact closure starts 
SP Program/Ramp if enabled. 
DIGIN2 907 
Same selections as 
for Digital Input 1 
 
DIGITAL INPUT 2 SELECTIONS 
DI2COM 908 
Same selections as 
Digital Input 1 
Combinations 
 
DIGITAL INPUT 2 COMBINATIONS