X5 AC Drive User’s Manual Chapter 7: X5 Parameters
DPD00089A - 81 - © 2009 Vacon Incorporated All Rights Reserved
389 Keeper Units
Default: 1 (GPM)
Range: n/a
Levels 2 (Clock)
This parameter defines what units will be used for Keeper input data. The following values can be used:
Parameter Value
Description
0User units
1GPM
2LPM
3LPM
4FPM
5MPM
For detailed information about setting up Keeper parameters, see “Using the Keeper Data Log” on page 55.
401 Ramp Select
Default: ART DI
Range: n/a
Level: 2
The Ramp Select parameter configures when the alternate ramps of the drive will be active and whether the drive
ramps to stop, or coasts to stop. The following data values may be assigned to this parameter:
Parameter Value
Type of Ramp Ramp Configured by:
ART-DI Ramp-to-Stop 402 (Accel Time 1) and 403 (Decel Time 1); 404 (Accel Time 2) and 405
(Decel Time 2); 415 (Accel Time 3) and 416 (Decel Time 3); 417 (Accel Time
4) and 418 (Decel Time 4). These are all based on digital inputs configured in
AltRamp and AltRamp2 (see parameter 727, MOL Configure). See also the
note on page 96 about AltRamp and AltRamp2.
ART-F/R Ramp-to-Stop Running forward: 402 (Accel Time 1) and 403 (Decel Time 1)
Running reverse: 404 (Accel Time 2) and 405 (Decel Time 2)
ART-Frq Ramp-to-Stop If the output frequency is less than preset frequency parameter 308 (Preset Freq
6), the active ramp is set by 402 Accel Time 1 and 403 Decel Time 1. If the
output frequency is equal to or greater than 308 (Preset Freq 6), the active ramp
is set by 404 (Accel Time 2) and 405 (Decel Time 2).
ART-Strt/RS Ramp-to-Stop This setting uses the Alternate Ramp for Acceleration (parameter 404) to the set
speed, then uses the Main ramps (parameters 402 and 403) when the speeds
are adjusted. The drive will revert to the Alternate Decel ramp (parameter 405)
when a Stop command is given.
S-Curve Ramp-to-Stop The drive uses 402 (Accel Time 1) and 403 (Decel Time 1) for total time and
414 as the S Ramp Rounding value. The amount of rounding is the same for that
start and stop of the ramp time.
ART-DI CTS Coast-to-Stop Same as ART-DI but with Coast-to-Stop
ART-F/R CTS Coast-to-Stop Same as ART-F/R but with Coast-to-Stop
ART-Frq CTS Coast-to-Stop Same as ART-Frq but with Coast-to-Stop
ART-Str/CS Coast-to-Stop Same as ART-Strt but with Coast-to-Stop
S-Curve CTS Coast-to-Stop Same as S-Curve but with Coast-to-Stop
402 Accel Time 1
Default: 5.0 s
Range: 0.1 to 3200.0 s
Levels 1,2
This parameter configures the default length of time to accelerate from 0 Hz to the value of parameter 302 (Max
Frequency). This acceleration ramp is selected by parameter 401 (Ramp Select).
Note that extremely short acceleration times may result in nuisance fault trips.
403 Decel Time 1
Default: 5.0 s
Range: 0.1 to 3200.0 s
Levels 1,2
This parameter configures the default length of time to decelerate from the value of parameter 302 (Max Frequency)
to 0 Hz. The deceleration ramp is selected by parameter 401 (Ramp Select).
Note that extremely short deceleration times may result in nuisance fault trips or may require an external dynamic brake
or regen current limit.
Table 7-2: Description of X5 Parameters (Page 11 of 40)
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