YASKAWA HV600 Technical Reference page 423

Ac drive bypass for hvac fan and pump applications
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YF-01: PI Aux Control Selection
No.
Name
(Hex.)
YF-01
PI Aux Control Selection
(3F50)
0 : Disabled
1 : Enabled
• A staged Lead drive will de-stage when U5-16 [PI Aux Ctrl Feedback] is less than YF-04 [PI Aux Control
Minimum Level] for the time set in YF-05 [PI Aux Control Sleep Delay Time].
• A staged Lead drive will de-stage when U5-16 is more than YF-24 [PI Auxiliary Ctrl Maximum Level] for the time
set in YF-05.
YF-02: PI Aux Control Transducer Scale
No.
Name
(Hex.)
YF-02
PI Aux Control Transducer
Scale
(3F51)
RUN
Note:
Parameters YF-21 [PI Aux Ctrl Level Unit Selection] and YF-22 [PI Aux Level Decimal Place Pos] set the unit and resolution.
YF-03: PI Aux Control Setpoint
No.
Name
(Hex.)
YF-03
PI Aux Control Setpoint
(3F52)
RUN
Note:
Parameters YF-21 [PI Aux Ctrl Level Unit Selection] and YF-22 [PI Aux Level Decimal Place Pos] set the unit and resolution.
YF-04: PI Aux Control Minimum Level
No.
Name
(Hex.)
YF-04
PI Aux Control Minimum
Level
(3F53)
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-05: PI Aux Control Sleep Delay Time
No.
Name
(Hex.)
YF-05
PI Aux Control Sleep Delay
Time
(3F54)
RUN
YF-06: PI Aux Control Wake-up Level
No.
Name
(Hex.)
YF-06
PI Aux Control Wake-up
Level
(3F55)
RUN
YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
Sets the PI Auxiliary Control function.
Sets the full scale (10 V or 20 mA) output of the pressure transducer connected to the analog input
terminal programmed for H3-xx = 27 [PI Aux Control Feedback Level].
Sets the level to which the drive will try to regulate.
Sets the level below which the drive must be for longer than YF-05 [PI Aux Control Sleep Delay
Time] before the drive goes to sleep and turns off all lag pumps.
Sets the length of time that the drive will delay before it goes to sleep after the level is less than YF-
04 [PI Aux Control Minimum Level] (when YF-23 = 1 [PI Aux Ctrl Output Level Select = Inverse
Acting]) or more than YF-24 [PI Auxiliary Ctrl Maximum Level] (when YF-23 = 0 [Direct Acting]).
Sets the level to wake up the drive when the drive after YF-04 [PI Aux Control Minimum Level] or
YF-24 [PI Auxiliary Ctrl Maximum Level] put the drive to sleep.
5.13 Y: Application Features
Description
Description
Description
Description
Description
Description
Default
(Range)
0
(0, 1)
Default
(Range)
145.0
(1.0 - 6000.0)
Default
(Range)
20.0 PSI
(0.0 - 6000.0)
Default
(Range)
10.0 PSI
(0.0 - 6000.0)
5
Default
(Range)
5 s
(0 - 3600 s)
Default
(Range)
30.0 PSI
(-999.9 - +999.9 PSI)
423

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