Mitsubishi FR-S500 Instruction Manual download pdf (Page 8)

CONNECTION OF PERIPHERAL DEVICES (BASIC CONFIGURATION)

1. CONNECTION OF PERIPHERAL DEVICES (BASIC

CONFIGURATION)

Power supply

Use within the permissible power supply specifications

of the inverter. (Refer to page 80.)

Moulded case circuit breaker or earth leakage

circuit breaker

The breaker must be selected carefully since an in-rush

current flows in the inverter at power on.

Magnetic contactor

Install for your safety. Do not use this magnetic contactor

to start and stop the inverter. Doing so will cause the

inverter life to be shorten. (Refer to page 18.)

Installation of a reactor

A reactor must be used when the power harmonics

measure is taken, power factor is to be improved or the

inverter is installed near a large supply system (500kVA

or more and wiring distance within 10 m).

Make the selection carefully.

Devices connected to the output

Do not install a power factor correction capacitor, surge

suppressor or capacitor type filter on the output side of the

inverter.

When installing a moulded case circuit breaker on the

output side of the inverter, contact each manufacturer for

selection of the moulded case circuit breaker.

Earth (Ground)

To prevent an electric shock, always earth (ground) the

motor and inverter.

For reduction of induction noise from the power line of

the inverter, it is recommended to wire the earth

(ground) cable by returning it to the earth (ground)

terminal of the inverter.

(For details of noise reduction techniques, refer to the

instruction manual (detailed).)

(MC)

(MCCB)

or (ELB)

AC reactor

(FR-HAL

/FR-BAL)

DC reactor

(FR-HEL

/FR-BEL)

Inverter

(FR-S500E)

Motor

Earth (Ground)

Earth (Ground)Earth (Ground)

Inverter

The life of the inverter is influenced by ambient

temperature. Check the ambient temperature.

Epecially when mounting the inverter inside an

enclosure, take cautions of the ambient temperature.

(Refer to page 85.)

Wrong wiring might lead to damage of the inverter.

The control signal wires must be kept fully away from the

main circuit to protect them from noise. (Refer to page 7.)

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Mitsubishi FR-S500 Instruction Manual Page 8

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