Parker ac890 - Page 531

D-135 Programming
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D
Parameter Descriptions
CURRENT CONTROL
PREF: 114.08
Default: FALSE
Range: FALSE / TRUE
This parameter is used to designate if the drive is operating in a current control mode (TRUE), or in a closed-loop voltage
control mode (FALSE).
HARDWARE SYNC
P
REF: 114.25
Default:FALSE
Range:TRUE/FALSE
This parameter is used to designate whether the drive is synchronised using 8902LS line sync option (TRUE), or a sensorless
algorithm in software (FALSE).
SYNCHRONIZING
PREF: 114.09
Default: FALSE
Range: FALSE / TRUE
This diagnostic reads True during the mains synchronisation period. This occurs when the drive is first run in 4Q Regen
Control Mode. This synchronising period lasts for 100ms.
SYNCHRONIZED
PREF: 114.10
Default: FALSE
Range: FALSE / TRUE
This diagnostic reads True when mains synchronisation has been successfully completed.
PHASE LOSS
PREF: 114.11
Default: FALSE
Range: FALSE / TRUE
This diagnostic reads True if the drive suspects there is a missing input phase from the mains supply.
CLOSE PRECHARGE
PREF: 114.12
Default: TRUE
Range: FALSE / TRUE
This diagnostic controls the operation of the external precharge contactor required by the 4Q Regen Control Mode.
ENABLE DRIVE
PREF: 114.13
Default: FALSE
Range: FALSE / TRUE
This diagnostic is used to enable drives on a common dc link system supplied by a drive using the 4Q Regen Control Mode.
The diagnostic reads True if mains synchronisation has been successful and the drive is Healthy.