Yaskawa D1000 Series Power Regenerative Converter - Manual (Page 171)

7.5 Installing Peripheral Devices
YASKAWA ELECTRIC TOEP C710656 07C YASKAWA Power Regenerative Converter - D1000 Instruction Manual 171
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7.5 Installing Peripheral Devices
This section describes the proper steps and precautions to take when installing or connecting various peripheral devices to
the converter.
NOTICE: Use a class 2 power supply when connecting to the control terminals. Improper application of peripheral devices could result
in converter performance degradation due to improper power supply. Refer to NEC Article 725 Class 1, Class 2, and Class 3
Remote-Control, Signaling, and Power Limited Circuits for requirements concerning class 2 power supplies.
◆ Installing a Molded Case Circuit Breaker (MCCB) or Ground Fault Circuit Interrupter
(GFCI)
Install an MCCB or GFCI for line protection between the power supply and the main circuit power supply input terminals
R/L1, S/L2, and T/L3. This protects the main circuit and devices wired to the main circuit while also providing overload
protection.
NOTICE: Prevent Equipment Damage. Install a fuse and a GFCI to model 4A0630. Failure to comply may result in damage to the
power supply in the event of a short circuit.
Consider the following when selecting and installing an MCCB or a GFCI:
• The capacity of the MCCB or GFCI should be 1.5 to 2 times the rated output current of the converter. Use an MCCB or
GFCI to keep the converter from faulting out instead of using overheat protection (150% for one minute at the rated
output current).
• If several converters are connected to one MCCB or GFCI that is shared with other equipment, use a sequence that
shuts the power OFF when errors are output by using magnetic contactor (MC) as shown in Figure 7.2 .
Figure 7.2
Figure 7.2 Power Supply Interrupt Wiring (Example)
WARNING! Electrical Shock Hazard. Disconnect the MCCB (or GFCI) and MC before wiring terminals. Failure to comply may result in
serious injury or death.
A – Power supply B – Converter
R/L1
MB
MCCB A
B
MC
MC
MC
MC
S/L2
T/L3
SA
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