Modbus Read, Write and Override Parameters plus Exception Codes 
4/07  UDC2500 Universal Digital Controller Product Manual  199 
Parameter 
Description 
Register 
Address 
Data 
Type 
Access  Data Range or 
Enumerated Selection 
  Hex  Decimal       
Controller Status 
at Program End 
00B4  180  INT  R/W  0 = Last Setpoint and Mode 
1 = Manual, Failsafe Output 
Reset SP Program 
(ToBEGIN) 
00B3  179  INT  R/W  0 = Disable 
1 = Via Keypad 
PV Hotstart  00E2  226  INT  R/W 
0 = Disabled 
1 = Enabled 
Segment #1 Ramp 
Time 
0039  057  FP  R/W  99.59 (0-99 Hrs:0-59 Min)  
or  
0 to 999 (Degrees/Minute) 
Segment #2 Soak 
Setpoint Value 
003A  058  FP  R/W  Within Setpoint Limits 
Segment #2 Soak 
Time 
003B  059  FP  R/W  99.59 (0-99 Hrs:0-59 Min) 
Segment #3 Ramp 
Time 
003C  060  FP  R/W  99.59 (0-99 Hrs:0-59 Min)  
or  
0 to 999 (Degrees/Minute) 
Segment #4 Soak 
Setpoint Value 
003D  061  FP  R/W  Within Setpoint Limits 
Segment #4 Soak 
Time 
003E  062  FP  R/W  99.59 (0-99 Hrs:0-59 Min) 
Segment #5 Ramp 
Time 
003F  063  FP  R/W  99.59 (0-99 Hrs:0-59 Min)  
or  
0 to 999 (Degrees/Minute) 
Segment #6 Soak 
Setpoint Value 
0040  064  FP  R/W  Within Setpoint Limits 
Segment #6 Soak 
Time 
0041  065  FP  R/W  99.59 (0-99 Hrs:0-59 Min) 
Segment #7 Ramp 
Time 
0042  066  FP  R/W  99.59 (0-99 Hrs:0-59 Min)  
or  
0 to 999 (Degrees/Minute) 
Segment #8 Soak 
Setpoint Value 
0043  067  FP  R/W  Within Setpoint Limits