Chapter 5 AC drive Operating Instructions
ACH200 Series High Voltage Variable Frequency Speed Control System Operating Manual
48
voltage power to the system through the charged indicator of the cabinet door) and wait for the
system to issue the " Ready" signal.
7. Press the start button at the remote host computer. At this time, the motor will start according to
the pre-set way. At the same time, the upper computer will receive the AC drive " Run" signal; and
the output voltage, output current and output frequency change value will be displayed on the HMI
screen.
Figure.5-10
8. When the frequency needs to be changed, change the frequency given by the upper computer,
and press the frequency save button of the upper computer.
9. When you need to stop the motor, press the " Stop" operation knob at the upper computer, then
the motor will stop in the specified way. Or " Emergency stop" button will stop the motor and
disconnect the high voltage vacuum contactor in the bypass cabinet.
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Remote communication control, Analog given, Open-loop operation
1. Check the status of contactors, circuit breakers and various connections. Check the bypass cabinet
to confirm that KM1, KM2 and KM3 vacuum contactors are completely disconnected; check the
control cabinet to confirm that the control board connections, including the fiber optic part of the
interface are reliably connected. Check that all miniature circuit breakers in the control cabinet are
in the disconnected position (you do not need to disconnect the circuit breakers in the control cabinet
for repeated start-ups after operation). Connect the analog signal (4mA-20mA) to the Freq channel
of the external terminal.
2. Power on the control circuit. Close all circuit breakers in the control cabinet to make sure the
system control power is normal.
3. Wait for the LCD touch screen to enter the main operation interface to make sure there is no fault.
4. Enter the parameter setting interface for parameter setting. Command source select "Remote
