Specifications

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

Operation Manual



The main control circuit terminals

Type

Terminal

Symbol

Terminal Name Function

Relay

output

TA1-TB1

TA1-TC1

ormal close/ open

terminals

Relay output. TA1-TB1 normal close,

TA1-TC1 normal open

Contact capacity: AC 250V/3A, DC

30V/1A

3) Explainofjumper

Jumper No. Description

JP2 Analog input V2 signals

Choose DC 0V～10V or 4～20mA input

JP9 Analog input FM1 signals

Choose DC 0V～10V or 0～20mA output

4) Controlterminals:

A. Analogwiringdescriptionofintputterminals:

A.Analogintputterminals

Weakanalogvoltagesignalisparticularlyvulnerabletoexternalinterference,soit

isgenerallynecessarytouseasshortaspossibleshieldedcable,wiringislessthan

20m,showninFig.3‐5.Whenanalogsignalisseriously

interferedinsomeoccasion,

afiltercapacitorsoraferritecoresshouldbeusedintheanalogsignalsourceside,

showninFig.3‐6.