Inovance MD500T75G - Page 189

MD500 User Manual 7. Description of Parameters
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Function Code Parameter Name Setting Range Default
A8-00 Selection of point-point
communication
0: Disabled
1: Enabled
0
This function parameter determines whether to enable the point-point communication function.
The point-point communication indicates direct communication between two or more MD500 AC drives via CANlink. The master
sends frequency or torque reference to the slaves based on the frequency or torque signal it received.
When connecting multiple AC drives via the CANlink card, install a terminal resistor to the CANlink card of the end drive.
Once this function is enabled, the CANlink communication addresses of the master and slaves are matched automatically. The
baud rate is set in Fd-00.
Function Code Parameter Name Setting Range Default
A8-01 Master and slave selection 0: Master
1: Slave
0
This function parameter determines whether the AC drive is master or slave.
Function Code Parameter Name Setting Range Default
A8-02
Selection of action of the slave in
point-point communication
0: No
1: Yes
011
Unit's digit: Whether to follow the master's command
Ten's digit: Whether to send fault information
to the master when a fault occurs on it
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When the AC drive is slave (A8-01 = 1) and is in communication control (F0-02 = 2), this function determines whether it follows the
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Function Code Parameter Name Setting Range Default
A8-03 Selection of purpose of
the slave received data
0: Torque reference
1: Speed reference
0
Function Code Parameter Name Setting Range Default
A8-04 Zero offset of received data
-100.00% to 100.00%
0.00%
A8-05 Gain of received data
-10.00 to 10.00
1.00
These two function parameters correct the received data.
ƕ When A8-03 = 0, they correct the frequency reference.
ƕ When A8-03 = 1, they correct the torque reference.
Function Code Parameter Name Setting Range Default
A8-06 Point-point communication
interruption detection time
0.0s to 10.0s
1.0s
This function parameter sets time required to detect communication interruption of the master or slave. To disable the detection
function, set this parameter to 0.
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