4
-
127
(1) AI1 signal filtering time (04-01)
(2) AI2 signal filtering time (04-06)
(3) AI3 signal filtering time (04-21)
All analog inputs (AI1, AI2,
AI3
) have a 1
st
order programmable input filter that can be adjusted when noise
is present on each of the incoming analog signal to prevent erratic drive control.
The filter time constant (range: 0.00 to 2.00 seconds) is defined as the time that the input step signal
reaches 63% of its final value.
Note:
Increasing the filter time causes the drive operation to become more stable but less responsive to
change to the analog input.
Unfiltered
signal
Filtered
signal
Filter time constant (04-01)
63
100
%
t
Figure 4.3.27 Filter time constant
(4) AI2 function setting (04-05
/04-10
)
AI2 is multi-function analog input terminal function selection. Refer to Table 4.3.8 for function overview
Table 4.3.8
Multi-function analog input list (04-05
/04-10
setting)
Value
Function
Description
Control mode
Name
LCD Display
V/F SLV
PM
SLV
0
Auxiliary Frequency
AUX.Freq Ref
Max Output Frequency
(01-02,
Fmax) =100%
O
O
O
1
Frequency Reference
Gain (FGAIN)
Freq Ref Gain
Aggregated gain
=
AI1 = 04-02 * FGAIN
O
O
O
2
Frequency Reference
Bias (FBIAS)
Freq Ref Bias
Aggregated bias
=
AI1 = 04-03 * FBIAS
O
O
O
3
Output Voltage Bias
(VBIAS)
Output Volt Bias
Aggregate output voltage =V/F
curve voltage
+
VBIAS
O
X
O
4
Coefficient of
Acceleration and
Deceleration
Reduction (K)
Tacc/Tdec Scaling
Actual acceleration and
deceleration time = accel. and
decal. time / K
O
O
O
5
DC Braking Current
DC Inj Current
Adjust the DC braking current (0 ~
100%) based on analog input.
When the inverter rated current =
100%, DC braking current 07-07 is
disabled.
O
O
O
6
Over-Torque Detection
Level
Over Tq Level
Change over-torque detection
level based on over-torque
detection level, at this time, 08-15
is disabled.
O
O
O
Summary of Contents for F510 Series
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