IMPULSE
®
•G+ & VG+ Series 4 Technical Manual
November 2020
Page 170
Table 5-89: Speed Agree Parameters
Table 5-90: Reference Detection Parameter Settings
Parameter Display Function Range Default
L04-01 Spd Agree Level Sets the detection level for the desired speed
agree 1 and frequency detection functions.
The detection level is effective during both
FWD and REV operation.
0.0–150.0 Hz 0.0
L04-02 Spd Agree Width Sets the detection width for speed agree 1
and frequency detection functions.
0.0–20.0 Hz 2.0
L04-03 Spd Agree Lvl+- Sets the detection level for the desired speed
agree 2 function. The detection level is
effective during either FWD or REV
operation, depending on the set detection
level (positive value for FWD operation,
negative value for REV operation).
-150.0–150.0 Hz 0.0
L04-04 Spd Agree Wdth+- Sets the detection width for the speed agree
2 function.
0.0–20.0 Hz 2.0
Parameter Display Function Range Default
L04-05 Ref Loss Sel The VFD can detect a loss of an analog
frequency reference from input A1, A2, or A3.
Frequency reference loss is detected when
the frequency reference drops below 10% of
the reference or below 5% of the maximum
output frequency within 400 ms.
0, 1 0
0 Stop VFD stops when the frequency reference is
lost.
1 Run@L4-06PrevRef VFD runs at a reduced speed when the
frequency reference is lost.
L04-06 Fref at Floss Sets the percentage of the frequency
reference that the VFD should run with when
the frequency reference is lost.
0.0–100.0% 80
L04-07 Freq Detect Sel Determines when frequency detection is
active using parameters L04-01 through L04-
04.
0, 1 0
0 No Detection @BB No detection during baseblock.
1 Always Detected Detection always enabled.
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