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WARNING
Electrical Shock Hazard. Ground the neutral point on the power supply of drives with built-
in EMC filter (models 2xxxE, 4xxxE) to comply with the EMC Directive before you turn on the EMC filter or if there
is high resistance grounding. If you turn ON the EMC filter, but you do not ground the neutral point, it can cause
serious injury or death.
WARNING
Crush Hazard. Test the system to make sure that the drive operates safely after you wire
the drive and set parameters. If you do not test the system, it can cause damage to equipment or serious injury or
death.
WARNING
Electrical Shock Hazard. After the drive blows a fuse or trips an RCM/RCD, do not
immediately energize the drive or operate peripheral devices. Wait for the time specified on the warning label at a
minimum and make sure that all indicators are OFF. Then check the wiring and peripheral device ratings to find
the cause of the problem. If you do not know the cause of the problem, contact Yaskawa before you energize the
drive or peripheral devices. If you do not fix the problem before you operate the drive or peripheral devices, it can
cause serious injury or death.
WARNING
Fire Hazard. Install sufficient branch circuit short circuit protection as specified by
applicable codes and this manual. The drive is suited for circuits that supply not more than 31,000 RMS
symmetrical amperes, 240 Vac maximum (200 V Class), 480 Vac maximum (400 V Class). Incorrect branch
circuit short circuit protection can cause serious injury or death.
CAUTION
Crush Hazard. Tighten terminal cover screws and hold the case safely when you move the
drive. If the drive or covers fall, it can cause moderate injury.
CAUTION
Burn Hazard. Do not touch a hot drive heatsink. De-energize the drive, wait for a minimum
of 15 minutes, then make sure that the heatsink is cool before you replace the cooling fans. If you touch a hot
drive heatsink, it can burn you.
NOTICE
Damage to Equipment. When you touch the drive and circuit boards, make sure that you
observe correct electrostatic discharge (ESD) procedures. If you do not follow procedures, it can cause ESD
damage to the drive circuitry.
NOTICE
Do not break the electrical connection between the drive and the motor when the drive is
outputting voltage. Incorrect equipment sequencing can cause damage to the drive.
NOTICE
Damage to Equipment. Do not do a withstand voltage test or use a megohmmeter or
megger insulation tester on the drive. These tests can cause damage to the drive.
NOTICE
Do not operate a drive or connected equipment that has damaged or missing parts. You
can cause damage to the drive and connected equipment.
NOTICE
Fire Hazard. Install a fuse and equipment for residual current monitoring/detection (RCM/
RCD). If you do not install these components, it can cause damage to the drive and connected equipment.
NOTICE
Damage to Equipment. Before you connect a dynamic braking option to the drive, make
sure that qualified personnel read and obey the Braking Unit and Braking Resistor Unit Installation Manual
(TOBPC72060001). If you do not read and obey the manual or if personnel are not qualified, it can cause damage
to the drive and braking circuit.
NOTICE
Make sure that all connections are correct after you install the drive and connect
peripheral devices. Incorrect connections can cause damage to the drive.
NOTICE
Do not connect phase-advancing capacitors, LC/RC noise filters, or leakage breakers
(RCM/RCD) to the motor circuit. If you connect these devices to the output circuits, it can cause damage to the
drive and connected equipment.
NOTICE
Use an inverter-duty motor or vector-duty motor with reinforced insulation and windings
applicable for use with an AC drive. If the motor does not have the correct insulation, it can cause a short circuit or
ground fault from insulation deterioration.
Note:
• Do not use unshielded wire for control wiring. Use shielded, twisted-pair wires and ground the shield to the ground
terminal of the drive. Unshielded wire can cause electrical interference and unsatisfactory system performance.
• Do not put devices that radiate strong electromagnetic waves, for example radio transmitters, near the drive. If you use
these devices near the drive, the drive can operate incorrectly.
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YASKAWA TOMPYEULA5001C LA500 Installation and Operation Instructions
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