Parker ac890 - Page 484

Programming
Page D-134 890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D
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Parameter Descriptions
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.
STATUS
PREF: 114.14 Default: 4 Range: See below
This diagnostic indicates the status of operation of the drive.
Enumerated Value : Status
0 : INACTIVE
1 : SYNCHRONIZING
2 : SYNCHRONIZED
3 : SUPPLY FREQ HIGH
4 : SUPPLY FREQ LOW
5 : SYNCH FAILED
INACTIVE : Indicates when the 4Q drive is not running
SYNCHRONIZING : Indicates during mains synchronisation period (first 100ms after Run command)
SYNCHRONIZED : Indicates successful synchronisation is complete
SUPPLY FREQ HIGH : Indicates 4Q drive output frequency is greater than 70Hz. This is a fault condition
SUPPLY FREQ LOW : Indicates the 4Q drive output frequency is less than 40Hz. This is a fault condition
SYNCH FAILED : Indicates the 4Q drive has failed to synchronise on to the mains supply. This is a fault condition