YASKAWA HV600 Technical Reference page 428

Ac drive bypass for hvac fan and pump applications
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5.13 Y: Application Features
YF-22: PI Aux Level Decimal Place Pos
No.
Name
(Hex.)
YF-22
PI Aux Level Decimal Place
Pos
(3F65)
0 : No Decimal Places (XXXXX)
1 : One Decimal Places (XXXX.X)
2 : Two Decimal Places (XXX.XX)
3 : Three Decimal Places (XX.XXX)
YF-23: PI Aux Ctrl Output Level Select
No.
Name
(Hex.)
YF-23
PI Aux Ctrl Output Level
Select
(3F66)
0 : Direct Acting
When the feedback is higher than the setpoint, the speed will be lower.
1 : Inverse Acting
When the feedback is lower than the setpoint, the speed will be lower.
YF-24: PI Auxiliary Ctrl Maximum Level
No.
Name
(Hex.)
YF-24
PI Auxiliary Ctrl Maximum
Level
(3F67)
RUN
Note:
• Set this parameter to 0.0 to disable the function.
• Parameters YF-21 [PI Aux Ctrl Level Unit Selection] and YF-22 [PI Aux Level Decimal Place Pos] set the unit and resolution.
YF-25: PI Aux Control Activation Level
No.
Name
(Hex.)
YF-25
PI Aux Control Activation
Level
(3F68)
RUN
Note:
• The drive response changes when the YF-23 [PI Aux Ctrl Output Level Select] setting changes.
–YF-23 = 0 [Direct Acting]:
When the PI Aux Feedback level is more than this setting for longer than YF-26 [PI Aux Control Activation Delay], the drive will activate
the PI Auxiliary Control to control the output frequency.
–YF-23 = 1 [Inverse Acting]:
When the PI Aux Feedback level is less than this setting for longer than YF-26, the drive will activate PI Auxiliary Control to control the
output frequency.
• When you set this parameter to 0.0 PSI, PI Auxiliary Control is always enabled.
• Parameters YF-21 [PI Aux Ctrl Level Unit Selection] and YF-22 [PI Aux Level Decimal Place Pos] set the unit and resolution.
YF-26: PI Aux Control Activation Delay
No.
Name
(Hex.)
YF-26
PI Aux Control Activation
Delay
(3F69)
RUN
428
Sets the number of decimal places for the PI Aux Level parameters and monitors.
Sets the PI Auxiliary Controller to be Direct-acting or Inverse-acting.
Sets the maximum level for PI Auxiliary Control. When the level is more than this setting for longer
than YF-05 [PI Aux Control Sleep Delay Time], the drive will go to sleep and turn off all lag drives.
Sets the level to activate the PI Auxiliary Control.
Sets the delay time to activate the PI Auxiliary Control.
Description
Description
Description
Description
Description
YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
Default
(Range)
1
(0 - 3)
Default
(Range)
1
(0, 1)
Default
(Range)
0.0 PSI
(0.0 - 6000.0 PSI)
Default
(Range)
0.0 PSI
(0.0 - 6000.0 PSI)
Default
(Range)
2 s
(0 - 3600 s)

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