7. Description of Parameters MD500 User Manual
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Function Code Parameter Name Setting Range Setting
A8-02 Selection of action
of the slave in point-
point communication
000 to 111
0: No
1: Yes
Unit's digit: Whether to follow
the master's command
1
Ten's digit: Whether to send fault information
to the master when a fault occurs on it
1
Hundred's digit: Whether to alarm
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-
A8-03 Selection of purpose of
the slave received data
0: Torque reference
1: Speed reference
0
A8-11 Window width 0.20 to 10.00 Hz 0.5 Hz
F0-10 Max. frequency 5.00 to 500.00 Hz 50.00 Hz
Keep the same setting
of this parameter for the
master and slave.
F8-07 Acceleration time 4 0.0s to 6500.0s 0.0s
F8-08 Deceleration time 4 0.0s to 6500.0s 0.0s
F0-02 Command source selection 0: Operation panel control (LED off)
1: Terminal control (LED on)
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2
A0-00 6SHHG7RUTXH
control selection
0: Speed control
1: Torque control
1
A0-01 Torque reference source
in torque control
0: Set by A0-03
1: AI1
2: AI2
3: AI3
4: Pulse reference (DI5)
5: Communication reference
6: MIN (AI1, AI2)
7: MAX (AI1, AI2)
0
A0-03 Torque digital setting
in torque control
-200.0% to 200.0% 130.0%
A0-07 Acceleration time in
torque control
0.00s to 65000s 0.00s
A0-08 Deceleration time in
torque control
0.00s to 65000s 0.00s
Note
ƕ Do not set the startup frequency in the torque control mode. Otherwise, larger rush-in current result at startup.
ƕ Reduce the setting of A8-11 of the slave in the master and slave control but the setting must be
larger than 0.20 Hz. Meanwhile, if the deceleration time is very short, increase the setting of A8-
11 properly. The larger the setting of A8-11 is, the weaker window effect will be obtained.
Set the initial value to half of the rated motor slip. You can obtain the rated motor slip according to the following formulas:
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