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YASKAWA
SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
3.1
Section Safety
DANGER
Electrical Shock Hazard
Do not examine, connect, or disconnect wiring on an energized bypass. Before servicing,
disconnect all power to the equipment and wait for the time specified on the warning label at a
minimum. The internal capacitor stays charged after the bypass is de-energized. The charge
indicator LED extinguishes when the DC bus voltage decreases below 50 Vdc. When all indicators
are OFF, remove the covers before measuring for dangerous voltages to make sure that the bypass
is safe.
If you do work on the bypass when it is energized, it will cause serious injury or death from electrical shock.
WARNING
Electrical Shock Hazard
Do not operate the bypass when covers are missing. Replace covers and shields before you
operate the bypass. Use the bypass only as specified by the instructions.
Some figures in this section include bypasses without covers or safety shields to more clearly show the inside of the
bypass. If covers or safety shields are missing from the bypass, it can cause serious injury or death.
Ground the neutral point on the power supply of the bypass to comply with the EMC Directive
before you turn on the EMC filter.
If you turn ON the EMC filter, but you do not ground the neutral point, it can cause serious injury or death.
Make sure that the protective ground wire conforms to technical standards and local safety
regulations. The IEC/EN 61800-5-1:2007 standard specifies that you must wire the power supply to
automatically de-energize when the protective ground wire disconnects. You can also connect a
protective ground wire that has a minimum cross-sectional area of 10 mm
2
(copper wire) or 16 mm
2
(aluminum wire).
If you do not obey the standards and regulations, it can cause serious injury or death. The leakage current of the
bypass will be more than 3.5 mA.
The bypass can cause a residual current with a DC component in the protective earthing
conductor. When a residual current operated protective or monitoring device prevents direct or
indirect contact, always use a type B Ground Fault Circuit Interrupter (GFCI) as specified by IEC/EN
60755.
If you do not use the correct GFCI, it can cause serious injury or death.
Do not wear loose clothing or jewelry when you do work on the bypass. Tighten loose clothing and
remove all metal objects, for example watches or rings.
Loose clothing can catch on the bypass and jewelry can conduct electricity and cause serious injury or death.
Do not remove covers or touch circuit boards while the bypass is energized.
If you touch the internal components of an energized bypass, it can cause serious injury or death.
Only let approved personnel install, wire, maintain, examine, replace parts, and repair the bypass.
If personnel are not approved, it can cause serious injury or death.
Do not modify the bypass body, drive body, bypass circuitry, or drive circuitry.
Modifications to bypass and drive body and circuitry can cause serious injury or death, will cause damage to the
bypass and drive, and will void the warranty. Yaskawa is not responsible for modifications of the product made by
the user.
Fire Hazard
Tighten all terminal screws to the correct tightening torque.
Connections that are too loose or too tight can cause incorrect operation and damage to the bypass. Incorrect
connections can also cause death or serious injury from fire.
Содержание HV600
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Страница 454: ...5 14 Z Bypass Parameters 454 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...
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