Parker ac890 - Page 513

D-117 Programming
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D
Parameter Descriptions
DECEL TIME
PREF: 11
2.05
Default: 5.00 s
Range: 0.01 to 300.00 s
Determines the time in which the speed setpoint is ramped to zero. This is expressed as the time to ramp from MAX SPEED to
zero.
INITIAL STEP
PREF: 112.08
Default: 0.00 %
Range: 0.00 to 100.00 %
This paramete
r sets the initial speed reduction step at the start of the power loss control sequence.
TIME LIMIT
PREF: 112.06
Default: 30.00 s
Range: 0.00 to 300.00 s
Determines the maximum allowed time of the Power Loss Ride
-Through sequence. Once timeout is reached, the drive is
allowed to Coast to Stop and eventually trip on UNDERVOLTS.
PWR LOSS ACTIVE
PREF: 112.07
Default: FALSE
Range: FALSE / TRUE
This diagnostic is set to TRUE while the Power Loss Ride
-Through sequence is active.