TECO F510 series - Page 226

4-137
(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 4.4.27 Filter time constant
(4) AI2 function setting (04-05/04-10)
AI2 is multi-function analog input terminal function selection. Refer to Table 4.4.8 for function overview
Table 4.4.8 Multi-function analog input list (04-05/04-10 setting)
Value
Function
Description
Control mode
Name LCD Display V/F SLV
PM
SL
V
0 Auxiliary Frequency AUX.Freq Ref
Max Output Frequency (01-02,
Fmax
)
=100%
O O O
1
Frequency Reference
Gain (FGAIN)
Freq Ref Gain
A
ggregated 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
A
djust 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