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Delta Electronics VFD-EL series - Page 132

Delta Electronics VFD-EL series
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Revision 2016/03, 6ELE, V1.14
4-103
Parameter
Explanation Settings
Factory
Setting
End
user’s
master
End
user’s
slave
Note
10.20
Treatment of the
Erroneous PID
Feedback Level
0: Keep operating
1: Coast to stop
2: Ramp to stop
3: Ramp to stop and restart after time set
in Pr.10.21
0 3 3
When
water
supply is
off or
there is an
unusual
pressure
feedback,
pumps will
stop
running
for 1800
sec (30
minutes).
This
action will
repeat
itself until
the
system is
back to
normal
pressure
feedback
10.21
Restart Delay
Time after
Erroneous PID
Deviation Level
1 to 9999 sec 60
10.22
Set Point
Deviation Level
0 to 100% 0
10.23
Detection Time of
Set Point
Deviation Level
0 to 9999 sec 10
10.24
Offset Level of
Liquid Leakage
0 to 50% 0
10.25
Liquid Leakage
Change Detection
0 to 100% (0: disable) 0
10.26
Time Setting for
Liquid Leakage
Change
0.1 to 10.0 sec (0: disable) 0.5
10.35
Multi-Pump control
mode
00: Disable
01: Fixed Time Circulation (alternating
operation)
02: Fixed quantity control (multi-pump
operating at constant pressure)
0
10.36 Multi-pump ID
1: Master
2~4: Slave
0
10.37
Multi-pump’s fixed
time circulation
period
1~65535 (minute) 60
10.42
Pump’s Frequency
at Time Out
(Disconnection)
0.0~FMAX 0.00

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