Modbus Read, Write and Override Parameters plus Exception Codes 
386  UDC3500 Universal Digital Controller Product Manual  3/07 
Parameter 
 
Register 
Address 
Data 
Type 
Access  Data Range or 
Enumerated Selection 
Description  ID  Hex  Decimal       
Tune Criteria Loop2  139  018B  395  INT  R/W  0 = Normal 
1 = Fast 
ADT 1 Range 
Setpoint Change 
102  0066  102  FP  R/W  5 – 15% 
ADT 2 Range 
Setpoint Change 
102  0166  358  FP  R/W  5 – 15% 
KPG1 (Process Gain)  103  0067  103  FP  R/W  0.10 to10.00 
KPG2(Process Gain)  103  0167  359  FP  R/W  0.10 to10.00