5.13 Y: Application Features
428 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
â– YF-22: PI Aux Level Decimal Place Pos
No.
(Hex.)
Name Description
Default
(Range)
YF-22
(3F65)
PI Aux Level Decimal Place
Pos
Sets the number of decimal places for the PI Aux Level parameters and monitors. 1
(0 - 3)
0 : No Decimal Places (XXXXX)
1 : One Decimal Places (XXXX.X)
2 : Two Decimal Places (XXX.XX)
3 : Three Decimal Places (XX.XXX)
â– YF-23: PI Aux Ctrl Output Level Select
No.
(Hex.)
Name Description
Default
(Range)
YF-23
(3F66)
PI Aux Ctrl Output Level
Select
Sets the PI Auxiliary Controller to be Direct-acting or Inverse-acting. 1
(0, 1)
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.
â– YF-24: PI Auxiliary Ctrl Maximum Level
No.
(Hex.)
Name Description
Default
(Range)
YF-24
(3F67)
RUN
PI Auxiliary Ctrl Maximum
Level
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.
0.0 PSI
(0.0 - 6000.0 PSI)
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.
â– YF-25: PI Aux Control Activation Level
No.
(Hex.)
Name Description
Default
(Range)
YF-25
(3F68)
RUN
PI Aux Control Activation
Level
Sets the level to activate the PI Auxiliary Control. 0.0 PSI
(0.0 - 6000.0 PSI)
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.
â– YF-26: PI Aux Control Activation Delay
No.
(Hex.)
Name Description
Default
(Range)
YF-26
(3F69)
RUN
PI Aux Control Activation
Delay
Sets the delay time to activate the PI Auxiliary Control. 2 s
(0 - 3600 s)
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