6 wiring check – Yaskawa G5HHP Drive User Manual
Page 53
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