Modbus Read, Write and Override Parameters plus Exception Codes 
4/07  UDC2500 Universal Digital Controller Product Manual  207 
10.7.7 Input 2 
Table 10-15 lists all the register addresses and ranges or selections for the function 
parameters in Set-up Group Input 2. 
Table 10-15  Set-up Group – Input 2 
Parameter 
Description 
Register 
Address 
Data 
Type 
Access  Data Range or 
Enumerated Selection 
  Hex  Decimal      
Input 2 Type  00AA  170  INT  R/W 
0 = Disable  
1 to 25 Unused 
26 = 0-20 mA 
27 = 4-20 mA 
28 to 30 = Unused  
31 = 0-5 Vdc 
32 = 1-5 Vdc 
33 = Unused 
34 = Unused 
35 = 0 –  2 Vdc 
  ATTENTION 
  Changing the Input Type will result in the loss of Field Calibration 
values and will restore the Factory Calibration values.