Operation and Display
MD280 User Manual
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4.6.7 Multi-Speed Mode
In scenarios where the running frequency of the AC drive need not be adjusted continuously
and only several frequencies are required, the multi-speed control can be used. The
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combinations of three DI terminals. Set the function codes corresponding to DI terminals
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input terminals. The multiple frequencies are set based on the multi-frequency table in
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Figure 4-23 Setting the multi-speed function
F2-00
F2-01
F2-02
F2-03
F2-04
F0-01 4
F0-18 0
Target
running
frequency
[F0-04
0
0
0D[LPXP
frequency
Frequency source
selection
DI1
DI2
DI3
DI4
DI5
1
Select multi-reference as
the frequency source
0 0 0
0 0 1
0 1 0
. .
1 1 0
1 1 1
...
15
14
13
Ă
Terminal
Function
code
Setting
value
Multi-frequency
table
Binary
Reference 0 F8-00/F8-01
Reference 1 F8-02
Reference 6 F8-07
Reference 2 F8-03
Reference 7 F8-08
... ...
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each of which has a bit value. The state combinations of these terminals correspond to
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corresponding to the value set in F8-02. The target running frequency is automatically
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input terminals. You can also use less than three DI terminals, and the empty bit is
considered to be 0.
4.6.8 Setting the Motor Rotating Direction
After the AC drive restores the default settings, press
RUN
to drive the motor to rotate. In
this case, the rotating direction is regarded as the forward rotation. If the rotating direction is
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In some applications where both forward rotation and reverse rotation are required, enable
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by setting F0-12 to 1. Then press
RUN
to make the motor rotate in the reverse direction,
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