6 wiring check – Yaskawa G5HHP Drive User Manual

Page 53

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3.6 Wiring Check

3 - 13

2TB F1

--

--

Fan

detection

For detecting faulty Inverter

Panel ventilation fan

Detects faulty fan when the power supply to the fan is

turned ON or the F1 and F2 terminals become closed when

h

l

h f

i

d OFF

Dry contacts

Contact capacity:

F2

--

--

detection Panel ventilation fan

turned ON or the F1 and F2 terminals become closed when

the power supply to the fan is turned OFF.

Contact capacity:

1 A max. at 250 VAC

1 A max. at 30 VDC

* When driving an L load, such as a relay coil, always insert a flywheel diode as shown in Figure 3.7.

External power:

48 V max.

Flywheel diode

Coil

50 mA max.

The rating of the flywheel diode

must be at least as high as the cir-

cuit voltage.

Fig 3.7

Flywheel Diode Connection

3.6 Wiring Check

Check all wiring after wiring has been completed. Do not perform a buzzer check on control circuits.

D

Is all wiring correct?

D

Have any wire clippings, screws, or other foreign material been left?

D

Are all screws tight?

D

Are any wire ends contacting other terminals?

3

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