Specifications

VFD‐G7SeriesFrequencyInverterOperationManualChapter3MechanicalandElectricalInstallation

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connectedpiecebetweenPand(+),thenconnectthereactortothetwoterminals.

E. FrequencyInverterOutputSideU.V.W:

Thecapacitorsorsurgeabsorberscannotbeconnectedtotheoutputsideofthedrive.

Otherwisecausethefrequencyinvertertotripfrequentlyorevenbedamaged.

Because motor cable is too long, the impact of distributed capacitance produces

electricalresonance,which

ledtothedamageofthemotorinsulation,thedrivetriping

foragreaterleakagecurrent.Whenthecablesfromthedrivetomotorarelongerthan

100m,aACinputreactorshouldbeused.

F.  EarthTerminal 

The terminal must be properly earthed, ground resistance must be less than 0.1Ω.

Otherwise,leadtoequipmentabnormaloperationordamaged.

☞Notice：It is prohibited to share the earth terminal E and the power zero line

terminalN.

3.2.5 Control Circuit and Wiring

1) VFD‐G7maincontrolcircuitterminalsdrawing

V1 S1 S2 S3 S4 S5 S6 COM

V2 10V GND FM1 SP1 SP2

24V

2) Functionofthecontrolterminals

Table3‐3VFD‐G7Frequencyinvertercontrolterminalintroduction

The main control circuit terminals

Type

Terminal

Symbol

Terminal Name Function

TA1 TB1 TC1