Parker ac890 - Page 466

Programming
Page D-116 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
DECEL TIME
PREF: 112.05 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 parameter 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.