Configuration 
3/07  UDC3500 Universal Digital Controller Product Manual  145 
Function Prompt  
Lower Display 
Selections or  
Range of Setting  
Upper Display 
Parameter  
Definition 
SW VAL12 
Value in engineering units 
within PV or SP range 
limits 
AUTOMATIC SWITCHOVER VALUE—This is the 
value of Process Variable or Setpoint at which the 
controller will switch from Tuning Constant Set #1 to 
Set #2. 
 ATTENTION Only appears when PID SETS 
selection is configured for 2 or 4 PID Sets. 
SW VAL23 
Value in engineering units 
within PV or SP range 
limits 
AUTOMATIC SWITCHOVER VALUE—This is the 
value of Process Variable or Setpoint at which the 
controller will switch from Tuning Constant Set #2 to 
Set #3. 
 ATTENTION Only appears when PID SETS 
selection is configured for 4 PID Sets. 
SW VAL34 
Value in engineering units 
within PV or SP range 
limits 
AUTOMATIC SWITCHOVER VALUE—This is the 
value of Process Variable or Setpoint at which the 
controller will switch from Tuning Constant Set #3 to 
Set #4. 
 ATTENTION Only appears when PID SETS 
selection is configured for 4 PID Sets. 
LSP’S 
 
LOCAL SETPOINT SOURCE—This selection 
determines what your local setpoint source will be. 
 
1 ONLY 
LOCAL SETPOINT—The setpoint entered from the 
keyboard. 
 
TWO 
TWO LOCAL SETPOINTS—This selection lets you 
switch between two local setpoints using the  
SP/Select key.  
 
THREE 
THREE LOCAL SETPOINTS—This selection lets 
you switch between three local setpoints using the 
SP/Select key.  
 
FOUR 
FOUR LOCAL SETPOINTS—This selection lets you 
switch between three local setpoints using the 
SP/Select key.  
RSP SRC 
 
 
 
 
 
NONE  
INPUT 1  
INPUT 2 
INPUT 3  
INPUT 4  
INPUT 5 
IN AL1 
 
REMOTE SETPOINT SOURCE—This selection 
determines what your remote setpoint source will be 
when toggled by the 
SP/Select key or Digital Input. 
NONE—No remote setpoint.  
INPUT 1—Remote Setpoint using Input 1.  
INPUT 2—Remote Setpoint using Input 2. 
INPUT 3—Remote Setpoint using Input 3.  
INPUT 4—Remote Setpoint using Input 4.  
INPUT 5—Remote Setpoint using Input 5. 
INPUT ALGORITHM 1—Remote Setpoint using 
Input Algorithm 1. 
INPUT ALGORITHM 2—Remote Setpoint using 
Input Algorithm 2.