Process Control Instructions 
 
  Rockwell Automation Publication 1756-RM006K-EN-P - November 2018  171 
CV1RespTCTunedM  REAL  The calculated value of the control 
variable time constant in medium 
response speed for CV1 after tuning 
is completed. 
 
CV2RespTCTunedM  REAL  The calculated value of the control 
variable time constant in medium 
response speed for CV2 after tuning 
is completed. 
 
CV3RespTCTunedM  REAL  The calculated value of the control 
variable time constant in medium 
response speed for CV3 after tuning 
is completed. 
 
CV1RespTCTunedF  REAL  The calculated value of the control 
variable time constant in fast 
response speed for CV1 after tuning 
is completed. 
 
CV2RespTCTunedF  REAL  The calculated value of the control 
variable time constant in fast 
response speed for CV2 after tuning 
is completed. 
 
CV3RespTCTunedF  REAL  The calculated value of the control 
variable time constant in fast 
response speed for CV3 after tuning 
is completed. 
 
AtuneCV1On  BOOL  Set True when auto tuning for CV1 
has been initiated. 
 
AtuneCV2On  BOOL  Set True when auto tuning for CV2 
has been initiated. 
 
AtuneCV3On  BOOL  Set True when auto tuning for CV3 
has been initiated. 
 
AtuneCV1Done  BOOL  Set True when auto tuning for CV1 
has completed successfully. 
 
AtuneCV2Done  BOOL  Set True when auto tuning for CV2 
has completed successfully. 
 
AtuneCV3Done  BOOL  Set True when auto tuning for CV3 
has completed successfully. 
 
AtuneCV1Aborted  BOOL  Set True when auto tuning for CV1 
has been aborted by user or due to 
errors that occurred during the auto 
tuning operation. 
 
AtuneCV2Aborted  BOOL  Set True when auto tuning for CV2 
has been aborted by user or due to 
errors that occurred during the auto 
tuning operation. 
 
AtuneCV3Aborted  BOOL  Set True when auto tuning for CV3 
has been aborted by user or due to 
errors that occurred during the auto 
tuning operation. 
 
AtuneCV1Status  DINT  Indicates the tuning status for CV1.   
AtuneCV2Status  DINT  Indicates the tuning status for CV2.   
AtuneCV3Status  DINT  Indicates the tuning status for CV3.