Modbus Read, Write and Override Parameters plus Exception Codes 
10.7.4 Algorithm 
Table 10-12 lists all the register addresses and ranges or selections for the function 
parameters in Set-up Group Algorithm.  
Table 10-12  Set-up Group – Algorithm 
Parameter 
Description 
Register 
Address 
Data 
Type 
Access  Data Range or 
Enumerated Selection 
  Hex  Decimal       
Control 
Algorithm 
Selection 
(Selection here will 
affect ID code 160 in 
Output Algorithms.)
 
0080 128  INT  R/W 
0 = ON/OFF 
1 = PID-A 
2 = PID-B 
3 =  PD-A with Manual 
Reset 
4 = Three Position Step 
5 = Disable 
Timer  00D8  216  INT  R/W  0 = Disable 
1 = Enable 
Period  0063  099  FP  R/W  00.00 TO 99.59 
Start (Initiation)  00D9  217  INT  R/W  0 = Key (Run/Hold Key) 
1 = Alarm 2 
LDISP (Selection)  00DA  218  INT  R/W  0 = TI REM 
1 = Elapsed Time 
Timer Reset  00D6  214  INT  R/W  0 = Key (Run/Hold Key)  
1 = AL1 (Alarm 1 or Key) 
Timer Increment  00D7  215  INT  R/W  0 = Minutes (Counts 
hr/minute)  
1 = Sec (Counts min/sec) 
198  UDC3200 Universal Digital Controller Product Manual  12/04