Modbus Read, Write and Override Parameters plus Exception Codes 
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10.7.7 Accutune 
Table 10-16 lists all the register addresses and ranges or selections for the function 
parameters in Set-up Group Adaptive Tune.  
Table 10-16  Set-up Group – Adaptive Tune 
Parameter 
 
Register 
Address 
Data 
Type 
Access  Data Range or 
Enumerated Selection 
Description  ID  Hex  Decimal       
Fuzzy Overshoot 
Suppression 
193  00C1  193  INT  R/W  0 = Disabled 
1 = Enabled 
Fuzzy Overshoot 
Suppression Loop2 
193  01C1  449  INT  R/W  0 = Disabled 
1 = Enable 1 
2 = Enable 2 
3 = Enable 12 
Accutune Enable 
Loop 1 
152  0098  152  INT  R/W  0 = Accutune Disabled 
1 = Limit Tune 
2 = SP Tune 
3 = Tune + SP 
4 = SP Tune + PV 
Accutune Enable 
Loop2 
152  0198  408  Int  R/W  0 = Accutune Disabled 
1 = Limit Tune 
2 = SP Tune 
3 = Tune + SP 
4 = SP Tune + PV 
Accutune Duplex 
selection 
225  00E1  225  INT  R/W  0 = Manual 
1 = Auto 
2 = Disable (blend) 
Accutune Error (Read 
only) Loop1 
151  0097  151  INT  R/W  0 = None 
1 = Output Limits 
2 = PV Change 
Insufficient 
3 = Process 
Identification Failed 
4 = Accutune Aborted 
5 = Running 
6 = Setpoint Error 
Accutune Error (Read 
only) Loop2 
151  0197  407  INT  R/W  0 = None 
1 = Output > or < Output 
Limits or Man Step=0 
2 = PV Change 
Insufficient 
3 = Process 
Identification Failed 
4 = Accutune Aborted 
5 = Running 
6 = Setpoint Error 
Tune Criteria  139  008B  139  INT  R/W  0 = Normal 
1 = Fast