18 YASKAWA ELECTRIC TOBP C730600 60C V1000 Option SI-EN3/V Installation Manual
5 Installation Procedure
5 Installation Procedure
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Section Safety
DANGER
Electrical Shock Hazard
Do not inspect, connect, or disconnect any wiring while the drive is energized.
Failure to comply will cause death or serious injury.
Disconnect all power to the drive, wait at least five minutes after all indicators are off,
measure the DC bus voltage to confirm safe level, and check for unsafe voltages before
servicing to prevent electric shock. The internal capacitor remains charged even after the
power supply is turned off. The charge indicator LED will extinguish when the DC bus
voltage is below 50 Vdc.
Electrical Shock Hazard
Do not remove option board cover while the power is on.
Failure to comply could result in death or serious injury.
The diagrams in this section may include option units and drives without covers or safety
shields to show details. Be sure to reinstall covers or shields before operating any devices.
The option should be used according to the instructions described in this manual.
Do not allow unqualified personnel to perform work on the drive or option.
Failure to comply could cause death or serious injury.
Only authorized personnel familiar with installation, adjustment, and maintenance of AC
drives and options may perform work.