Yaskawa SI-ET3 - Manual (Page 10)

10 YASKAWA ELECTRIC SIEP C730600 62B 1000-Series Option SI-ET3 Technical Manual
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. The option should be used 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 circuit boards while the power to the drive is on.
Failure to comply could result in death or serious injury.
Do not use damaged wires, place excessive stress on wiring, or damage the wire insulation.
Failure to comply could result in death or serious injury.
Fire Hazard
Tighten all terminal screws to the specified tightening torque.
Loose electrical connections could result in death or serious injury by fire due to overheating of electrical connections.
NOTICE
Damage to Equipment
Observe proper electrostatic discharge (ESD) procedures when handling the option, drive, and circuit boards.
Failure to comply may result in ESD damage to circuitry.
Never shut the power off while the drive is outputting voltage.
Failure to comply may cause the application to operate incorrectly or damage the drive.
Do not operate damaged equipment.
Failure to comply may cause further damage to the equipment.
Do not connect or operate any equipment with visible damage or missing parts.
Do not use unshielded cable for control wiring.
Failure to comply may cause electrical interference resulting in poor system performance.
Use shielded twisted-pair wires and ground the shield to the ground terminal of the drive.