Input Calibration 
148  UDC2500 Universal Digital Controller Product Manual  4/07 
Procedure 
The calibration procedure for Input #2 is listed in Table 5-13. The numeric codes are also 
listed. 
Table 5-13  Input 2 Calibration Procedure (Numeric Code 20000) 
Step  Operation  Press  Result 
1 
Enter Calibration 
Mode 
SetupSetup
 
until you see 
Upper Display = CAL ( - - - - ) 
Lower Display = INPUT2 (20000) 
 
 
FunctionFunctionFunction
 
You will see: 
Upper Display = DIS ( 0 ) 
Lower Display = CALIN2 (20001) 
 
 
or  
You will see: 
Upper Display = BEGN ( 1 ) 
Lower Display = CALIN2 (20001) 
2 
Calibrate 0 % 
FunctionFunctionFunction
 
You will see: 
Upper Display = APLY ( 2 ) 
Lower Display = IN2ZRO (20002) 
•  Adjust your calibration device to an output signal equal 
to the 0 % range value for your particular input sensor. 
•  Wait 15 seconds, then go to the next step. 
3 
Calibrate 100 % 
FunctionFunctionFunction
 
You will see: 
Upper Display = APLY ( 2 ) 
Lower Display = IN2SPN (20003) 
•  Adjust your calibration device to an output signal equal 
to the 100 % range value for your particular input 
sensor. 
•  Wait 15 seconds, then go to the next step. 
4 
FunctionFunctionFunction
 
The controller stores the calibration constants. 
 
Exit the 
Calibration Mode 
Lower
Display
Lower
Display
Lower
Display
 
To store the calibration constants and exit the calibration 
mode.