Yaskawa SI-W3 - Manual (Page 13)

YASKAWA ELECTRIC TOBP C730600 56A 1000-Series Option SI-W3 Installation Guide 13
5 Installation Procedure
5 Installation Procedure
◆
Section Safety
DANGER
Electrical Shock Hazard
Do not connect or disconnect wiring while the power is on.
Failure to comply will result in death or serious injury.
Disconnect all power to the drive and wait at least the amount of time specified on the
drive front cover safety label. After all indicators are off, measure the DC bus voltage to
confirm safe level, and check for unsafe voltages before servicing. The internal capacitor
remains charged after the power supply is turned off.
W ARNING
Electrical Shock Hazard
Do not remove the front covers of the drive while the power is on.
Failure to comply could result in death or serious injury.
The diagrams in this section may include options and drives without covers or safety
shields to show details. Be sure to reinstall covers or shields before operating any devices.
Use the option according to the instructions described in this manual.
Do not allow unqualified personnel to use equipment.
Failure to comply could result in death or serious injury.
Maintenance, inspection, and replacement of parts must be performed only by authorized
personnel familiar with installation, adjustment, and maintenance of this product.
Do not touch the option card while the power to the drive is on.
Do not touch the drive’s main terminals and control circuit terminals when using the
service switch and digital operator connector on the option unit. Failure to comply could
result in death or serious injury.
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