Ratoc Systems USB-Serial Converter REX-USB60F Manual de usuario descargar pdf (Pagina 39)

3-11

Installation and wiring

3. Installation and wiring

(5) Recommended wire size and wiring accessories

• Select optimal breakers by taking their breaking capacity into account.

• Use an earth leakage breaker (ELB) to ensure safety.

• Use an appropriate copper wire with a heat resistant temperature of 75˚C or more.

• Tighten the terminal screws to the specified torque. Insufficient tightening may

result in a short circuit or fire.

• Select the sensitivity current of the earth leakage breaker (ELB) by taking account of

the total wiring length needed to connect between the robot driver and power

supply and also between the robot driver and robot. When the total wiring length is

shorter than 30 meters, use a 15mA sensitivity current (per one robot driver).

Use an earth leakage breaker compatible with inverters. Conventional breakers may

malfunction by high harmonics generated from an inverter. Contact the breaker

manufacturer for details.

• Refer to the following table when selecting wiring size and wiring accessories for

robot drivers.

Robot

driver

model

Main circuit

power cable

L1, L2, L3

(+)1, (+), RB, (–)

Control power

cable

L1C, L2C

Earth leakage

breaker (ELB) *

Electromagnetic

contactor (MC) *

RD*-05 1.25mm

or more 0.5mm

or more EX30 (5A) H10C / HK10

RD*-10 1.25mm

or more 0.5mm

or more EX30 (5A) H10C / HK10

RD*-20 1.25mm

or more 0.5mm

or more EX30 (5A) H10C / HK10

RDP-25 1.25mm

or more 0.5mm

or more EX30 (10A) H10C / HK10

* : ELB and MC models listed in the above table are manufactured by Hitachi Industrial

Equipment Systems Co., Ltd.

(Hitachi standard ELB products manufactured from December 1987 are compatible with

inverters.)

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