ABB AO845A Analog module industrial system controller

Description

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Implementing the Power-loss ride-through function
See ACS880-M04 firmware manual (3AXD50000030629 (English]).
Using a safety switch between the drive and the motor
Install a safety switch between the permanent magnet motor and the drive output.
The safety switch isolates the motor from the drive during maintenance work on the
drive.
Using a contactor between the drive and the motor
The control of the output contactor depends on how you use the drive. See also
Implementing a bypass connection on page 68.
When you use the vector control mode and motor ramp stop, open the contactor as
follows:
1. Give a stop command to the drive.
2. Wait until the drive stops the motor.
3. Open the contactor.
When you use the vector control mode and motor coast stop or the scalar control
mode, open the contactor as follows:
1. Give a stop command to the drive.
2. Open the contactor