Modbus Read, Write and Override Parameters plus Exception Codes 
3/07  UDC3500 Universal Digital Controller Product Manual  361 
10.7.3  SP Ramp/Rate/Program #1 
Table 10-12 lists all the register addresses and ranges or selections for the function 
parameters in Set-up Group Setpoint Ramp/Rate. 
Table 10-12  Set-up Group – Setpoint Ramp/Rate/Program #1 
Parameter 
 
Register 
Address 
Data 
Type 
Access  Data Range or 
Enumerated Selection 
Description  ID  Hex  Decimal       
SP Ramp  150  0196  406  INT  R/W  0 = Disabled 
1 = Enable 1 
2 = Enable 2 
3 = Enable 12 
Single SP Ramp 
Time 
25  0019  25  FP  R/W  0 to 255 (minutes) 
Final Ramp SP 
Value 
26  001A  026  FP  R/W  PV Range in 
Engineering Units 
SP Rate  174  01AE  430  INT  R/W  0 = Disabled 
1 = Enable 1 
2 = Enable 2 
3 = Enable 12 
Rate Up (EU/HR)  108  006C  108  FP  R/W  0 to 9999 
Rate Down 
(EU/HR) 
109  006D  109  FP  R/W  0 to 9999 
Rate Up (EU/HR) 
Loop2 
108  016C  364  FP  R/W  0 to 9999 
Rate Down 
(EU/HR) Loop2 
109  016D  365  FP  R/W  0 to 9999 
Setpoint Program 
#1 
178  01B2  434  INT  R/W  0 = Disabled 
1 = Enable 1 
2 = Enable 2 
3 = Enable 12 
Start Segment #  88  0058  88  FP  R/W  1 to 20 
End Segment 
#(Soak) 
176 
 
00B0  176  INT  R/W  0 = Soak 2 
1 = Soak 4 
2 = Soak 6 
3 = Soak 8 
4 = Soak 10 
5 = Soak 12 
6 = Soak 14 
7 = Soak 16 
8 = Soak 18 
9 = Soak 20 
Engineering Units 
or Ramp 
Segments 
182  00B6  182  INT  R/W  0 = HRS:MIN 
1 = EU/Minute 
2 = EU/Hour