Modbus Read, Write and Override Parameters plus Exception Codes 
354  UDC3500 Universal Digital Controller Product Manual  3/07 
Parameter 
 
Register 
Address 
Data 
Type 
Access  Data Range or 
Enumerated Selection 
Description  ID  Hex  Decimal       
Number of Local 
Setpoints Loop 2 
173  01AD  429  INT  R/W  00 = Local Setpoint #1 only 
01 = 2nd Local Setpoint via 
keyboard or communications 
03 = 3rd Local Setpoint via 
keyboard or communications 
04 = four Local Setpoint via 
keyboard or communications 
 
Associated Parameters 
Refer to Table 10-6 to display or change any of the parameters associated with the 
setpoint. 
Table 10-6  Setpoint Associated Parameters 
Parameter  Register Address 
Description  ID  Hex  Decimal 
Setpoint Limits Loop1  7,8  0007, 0008  007, 008 
Setpoint Limits Loop 2  7,8  0107, 0108  263, 264