Revision 4  Foundation Fieldbus RMA803 Remote Indicator User's Guide  Page 63 
Parameter  Description 
AT_TYPE  Auto Tune Selection supports two types: Disable, Cycle Tune. 
TUNING_CRITERIA  Tuning Criteria supports two types: Normal, Fast. 
TUNE_REQ  Tuning Request performs auto tuning process. 
ATI  Auto Tune Indicator indicates Auto tune ON/OFF. 
AT_MODE  Auto Tune Mode supports two options: AT Ready, Inactive 
•  AT Ready indicates block is ready for auto tune 
•  Inactive indicates auto tuning is disabled. 
AT_ERROR  Auto Tune Error supports the following errors: 
Abort, Not ready, OK, and Run. 
AT_GAIN  Auto tuned Gain. 
AT_RESET  Auto tuned Reset. 
AT_RATE  Auto tuned Rate. 
LICENSE_STATUS_
PID 
License status of the function block.  
 
 
Attributes 
 
 
Supported 
Modes 
The block supports the following modes: 
•  AUTO (Automatic) 
•  MAN (Manual) 
•  OOS (Out of Service) 
•  IMan 
•  Cas 
•  RCas 
•  ROut 
•  LO 
Alarm Types 
The block supports standard block alarms (see section 5.2), in 
addition to it standard HI_HI, HI, DV_HI, DV_LO, LO, and LO_LO 
alarms applied to PV. 
Status 
Handling 
Standard, in addition to the following things for the control selector. 
If Not selected is received at BKCAL_IN, the PID algorithm must 
make necessary adjustments to prevent windup.