Precautions on using peripheral devices – Yaskawa D1000 Series Power Regenerative Converter User Manual
Page 18
i.2 General Safety
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YASKAWA ELECTRIC TOEP C710656 07C YASKAWA Power Regenerative Converter - D1000 Instruction Manual
To connect or perform maintenance for the harmonic filter module, turn off the power supply to the converter, wait for the
time that is given on the converter, and then confirm that the temperature of the reactor has sufficiently decreased before
you proceed.
Wiring
Yaskawa recommends using ring terminals on all models. Converters require the use of ring terminals for UL/cUL
compliance. Use only the tools recommended by the terminal manufacturer for crimping.
Transporting the Converter
NOTICE: Never steam clean the converter. During transport, keep the converter from coming into contact with salts, fluorine, bromine,
phthalate ester, and other such harmful chemicals.
CAUTION! Crush Hazard. Carry all standard configuration and peripheral devices in a method suitable for the weight of the device.
Incorrectly handling devices could cause them to fall and result in injury or damage to the device.
CAUTION! Crush Hazard. When standing up and lifting model 4A0630, move the eye bolts to the top panel and lift the converter from
the four eye bolts on the top panel. Failure to comply may cause the converter to fall and cause injury. Refer to
Instructions for Installation on page 32
for details.
◆ Precautions on Using Peripheral Devices
Install a reactor-type noise filter without a capacitor such as a zero phase reactor after the MCCB on the power supply
side when installing a noise filter on the power supply.
NOTICE: Do not install a filter with a built-in capacitor. The harmonic components may cause the capacitor to overheat or may damage
the capacitor. Always install the specified harmonic noise filter.
Selecting a Circuit Breaker or Circuit Interrupter
• Yaskawa recommends installing a Ground Fault Circuit Interrupter (GFCI) to the power supply side. The GFCI should
be designed for use with AC drives (e.g., Type B according to IEC/EN 60755).
• Select a Molded Case Circuit Breaker (MCCB) according to the power factor of the converter power supply. The power
factor changes with the power supply voltage, output frequency, and load.
When using a GFCI that is not recommended, be sure to choose a GFCI with harmonic countermeasures and one with a
rated operating current of 30 mA minimum for each connected converter. High-frequency leakage current can cause
malfunctions. When a GFCI without countermeasures malfunctions, replace the GFCI with a rated operating current of
200 mA minimum for each connected converter.
Select a GFCI or MCCB with a rated trip capacity equal to or higher than the power supply short circuit current.
Magnetic Contactor Installation
Yaskawa recommends installing a magnetic contactor (MC) between the power supply and the converter to ensure that
the power to the converter can be shut off. Create a sequence in which the MC is turned off by the fault output from the
converter.
Wire Gauges and Wiring Distances
Use a motor cable gauge large enough to avoid unstable converter phase control from voltage drop caused by a long
motor cable.
When using the digital operator remotely, always use the cable specified (option). When controlling the converter
remotely using analog signals, limit the length of the control lines between the control signals and converter to 50 m or
shorter and separate the control lines from power lines (main circuit and sequence circuits) to prevent induction from
peripheral devices.
When using a multi-function analog input, connect the shield wire to the sheath ground terminal E (G) with shielded
twisted-pair wires. Refer to
Standard Connection Diagram on page 48
Generator Power Supplies
Select a generator with two times the capacity of the converter input power supply. Select the deceleration time, load, and
other factors so that the regenerative power from the motor is 10% or less of the capacity of the generator. For details,
consult with your Yaskawa representative or the nearest Yaskawa sales office.
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