Chapter 3 Test Operation And Adjustment - GE VAT2000 Instruction Manual

Chapter 3 Test Operation and Adjustment

• Always install the front cover before turning the input power ON. Never remove the cover while the
power is ON. There are sections in the front PCB that are charged with high voltages.
Failure to observe this could lead to electrical shocks.
• Never touch the switches with wet hands.
Failure to observe this could lead to electrical shocks.
• Never touch the inverter's terminals while the inverter power is ON even if the operation is stopped.
Failure to observe this could lead to electrical shocks.
• Selection of the retry function could lead to unexpected restarting when a fault occurs. The machine
may start suddenly if the power is turned ON when the automatic start function is selected. Do not go
near the machine.
(Design the machine so that physical safety can be ensured even if the machine restarts.)
Failure to do so could lead to injuries.
• The machine may not stop when a stop command is issued if the deceleration stop function is selected
and the overvoltage / overcurrent limit function is activated. Prepare a separate emergency stop
switch.
Failure to do so could lead to injuries.
• Resetting of a fault while the run signal is input could lead to unexpected restarting. Always confirm that
the run signal is OFF before resetting the alarm.
Failure to do so could lead to injuries.
• The heat sink and resistor are heated to high temperatures, so never touch them.
Failure to observe this could lead to burns.
• Do not block the inverter's ventilation holes.
Failure to observe this could lead to fires.
• The inverter operation can easily be set from low speeds to high speeds, so confirm that the
operation is within the tolerable range for the motor or machine before making settings.
Failure to do so could lead to injuries.
• Prepare holding brakes when necessary. Holding is not possible with the inverter's brake functions.
Failure to do so could lead to injuries.
• Confirm the operation of the motor as a single unit before operating the machine.
Failure to do so could lead to injuries or machine damage due to unforeseen movements.
Always prepare a safety backup device so that the machine is not placed in a hazardous situation
when an error occurs in the inverter.
Failure to do so could lead to injuries or machine damage or fires.
3. Test Operation and Adjustment
DANGER
CAUTION
3-1