Parameter List
7
7.14 Y: Application Features
YASKAWA TOEPYAIH6B01A HV600 AC Drive Narrow Bypass Installation & Startup 237
No.
(Hex.)
Name Description
Default
(Range)
Y2-03
(3C66)
RUN
Sleep Delay Time Sets the delay time before the drive enters Sleep Mode when the drive is at the sleep level set in Y2-
02 [Sleep Level].
5 s
(0 - 3600 s)
Y2-04
(3C67)
RUN
Sleep Activation Level Sets the level above which the output frequency must increase to activate the Sleep Function when
Y2-01 = 0, 3, or 5 [Sleep Level Type = Output Frequency, Output Speed (RPM), or Output
Frequency (non-PID)].
Note:
When you set this parameter to 0.0, this function will not be active, and the Sleep Function will
activate above the minimum speed (largest value from d2-02 [Frequency Reference Lower
Limit], Y1-06 [Minimum Speed], and Y4-12 [Thrust Frequency]).
0.0
(0.0 - 6000.0)
Y2-05
(3C68)
RUN
Sleep Boost Level Sets the quantity of boost that the drive applies to the setpoint before it goes to sleep.
Note:
Set this parameter to 0.00 to disable Sleep Boost Function.
0.00%
(0.00 - 600.00%)
Y2-06
(3C69)
RUN
Sleep Boost Hold Time Sets the length of time that the drive will keep the boosted pressure before it goes to sleep. 5.0 s
(0.5 - 160.0 s)
Y2-07
(3C6A)
RUN
Sleep Boost Max Time Sets the length of time that the system (feedback) has to reach the boosted setpoint. The system must
reach the boosted setpoint in the time set in this parameter, or it will go to sleep.
20.0 s
(1.0 - 160.0 s)
Y2-08
(3C6B)
RUN
Delta Feedback Drop Level Sets the level of the PID Error (set-point minus feedback) to deactivate the Sleep Mode operation.
Note:
Set this parameter to 0.00 to disable the function.
0.00%
(0.00 - 600.00%)
Y2-09
(3C6C)
RUN
Feedback Drop Detection
Time
Sets the time during which the software monitors the feedback to detect a flow/no-flow condition.
Refer to Y2-08 [Delta Feedback Drop Level] for more information.
10.0 s
(0.0 - 3600.0 s)
Y2-23
(3C7A)
RUN
Anti-No-Flow Bandwidth Sets the quantity of PI error bandwidth that the drive uses to detect an Anti- No-Flow condition.
Note:
Do not set this parameter value too high, because operation can become unstable.
0.00%
(0.00 - 2.00%)
Y2-24
(3C7B)
RUN
Anti-No-Flow Detection
Time
Sets the time delay before the drive starts the increased deceleration rate after it detects Anti-No-
Flow.
10.0 s
(1.0 - 60.0 s)
Y2-25
(3C7C)
RUN
Anti-No-Flow Release Level Sets the amount below the setpoint which the feedback must decrease before the drive will disengage
Anti-No-Flow and return to normal PI operation.
Note:
The display unit and scaling change when the System Units change.
0.30%
(0.00 - 10.00%)
â—† Y4: Application Advanced
No.
(Hex.)
Name Description
Default
(Range)
Y4-01
(3CFA)
RUN
Pre-Charge Level Sets the level at which the drive will activate the pre-charge function when the drive is running at the
frequency set in Y4-02 [Pre-Charge Frequency].
Note:
The drive will stop when one of these conditions is true:
• The feedback level increases to more than Y4-01
• The pre-charge time set in Y4-03 [Pre-Charge Time] expires
0.00%
(0.00 - 600.00%)
Y4-02
(3CFB)
RUN
Pre-Charge Frequency Sets the frequency at which the pre-charge function will operate. 0.0 Hz
(0.0 - 400.0 Hz)
Y4-03
(3CFC)
RUN
Pre-Charge Time Sets the length of time that the Pre-Charge function will run.
Note:
Set this parameter to 0.0 to disable the function.
0.0 min
(0.0 - 3600.0 min)
Y4-05
(3CFE)
RUN
Pre-Charge Loss of Prime
Level
Sets the level at which the drive will detect loss of prime in the pump. 0.0 A
(0.0 - 1000.0 A)
Y4-11
(3D04)
RUN
Thrust Acceleration Time Sets the time at which the drive output frequency will ramp up to the reference frequency set in Y4-
12 [Thrust Frequency].
1.0 s
(0.0 - 600.0 s)
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