Parker Products ViX250AE - Manual (Page 64)

4. CONTROL OF VIX DRIVES 57
PC Description
See Motor Related System Variables in Electrical Installation.
PE Description
PE reports the position error, that is, the difference between PT and PA.
PF Description
PF reports the step and direction position count in mode position (MP).
RV Description
Reports the revision of software being used by the controller.
SN Description
Reports the serial number of a drive.
ST Description
See reporting of status bits in Reporting the Status of Variables.
TL Description
Tracking limit is the maximum amount of position error that can be tolerated, if PE exceeds
TL a fault will be reported.
UF Description
See reporting of user fault bits in Reporting the Status of Variables.