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YASKAWA
SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
8.1
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.
Disconnect all power to the bypass and wait for the time specified on the warning label before you
remove covers. Check the bypass for dangerous voltages before servicing or repair work.
If you do work on the bypass when it is energized and there is no cover over the electronic circuits, it will cause
serious injury or death from electrical shock. The bypass has internal capacitors that stay charged after you de-
energize the bypass.
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.
Always ground the motor-side grounding terminal.
If you do not ground the equipment correctly, it can cause serious injury or death if you touch the motor case.
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 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.
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.
Damage to Equipment
Do not apply incorrect voltage to the main circuit of the bypass. Operate the bypass in the specified
range of the input voltage on the nameplate.
Voltages that are higher than the permitted nameplate tolerance can cause damage to the bypass.
Fire Hazard
Do not put flammable or combustible materials on top of the bypass and do not install the bypass
near flammable or combustible materials. Attach the bypass to metal or other noncombustible
material.
Flammable and combustible materials can start a fire and cause serious injury or death.
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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Страница 780: ...11 3 European Standards 780 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...