Operation, Display and Application Examples
MD380 User Manual
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2: Communication control
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CANlink, and CANopen. The MD380 interacts with the user programmable card also by
means of communication.
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02 to 2. Then, you can start or stop the AC drive in communication mode. The following
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Control switch
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code
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communication timeout is enabled. This prevents uncontrollable AC drive running due
to faults of the communication cable or the host computer.
The communication port of the AC drive supports the Modbus-RTU protocol, and the
communication is implemented only when the host computer supports the Modbus-
RTU master station protocol.
4.7.2 Start Mode
The MD380 supports three start modes, namely, direct start, rotational speed tracking
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It is applicable to small-inertia load. The frequency curve in this mode is shown in the
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DC braking before the start is applicable to drive of load such as elevator and crane.
Startup frequency is applicable to drive with burst start under start torque, such as
cement mixer.
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