INVT GD270-090-4 - Page 203

Goodrive270 series VFD for fan and pump Function parameter list
-193-
Function
code
Name Description Default
Modify
P11.11
Underload pre
-
alarm
detection threshold
Underload pre
-alarm signal will be outputted if
the output current of the VFD or motor is lower
than underload pre
-alarm detection level
(
P11.11), and the duration exceeds underload
pre
-alarm detection time (P11.12).
P11.11
setting range: 0±P11.09
P11.12 setting range: 0.1±3600.0s
50% ƻ
P11.12
Underload pre
-
alarm
detection time
1.0s ƻ
P11.13
Fault output terminal
action upon fault
occurring
Used to set the action of fault output terminals at
undervoltage and fault reset.
0x00
±0x11
Ones place:
0: Act upon an undervoltage fault
1: Do n
ot act upon an undervoltage fault
Tens place:
0: Act during automatic reset
1: Do not act during the automatic reset period
0x00 ƻ
P11.14
Speed deviation
detection value
0.0
±50.0%
Used to set the speed deviation detection value.
10.0% ƻ
P11.15
Speed deviation
detection time
0.0
±10.0s (0.0 indicates no speed deviation
protection)
Used to set the speed deviation detection time.
Note: Speed deviation protection is invalid
when
P11.15=0.0.
Speed
Actual detection
value
Set detection
value
Time t
t1
t2
t2=P11.15
t1<t2, so the VFD continues running
dEu
Running Fault output
Setting range: 0.0±10.0s
2.0s ƻ
P11.16
Automatic
frequency-
reduction
during voltage drop
0
±1
0: Disable
1: Enable
0 ƻ
P11.17
Proportional
coefficient of voltage
regulator during
Used to
set the proportional coefficient of the bus
voltage regulator during undervolta
ge stall.
Setting range: 0±1000
100 ƻ