Specifications

VFD‐G7 Series Frequency Inverter Operation ManualChapter 6 Functional Parameter Detail

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Figure 6-4 Illustration of Three-wire Running Mode 1

Among:SB1:runningbutton(normalopen);SB2:stopbutton(normalclose).

K:forwardandreverseswitch

3: Three-wire control 2

This three‐wire function terminal mode is enabled terminal, the running command is

generated by SB1 or SB3 and it control the running direction at the same time. The stop

commandisgeneratedbythenormalinputSB2.

Terminal Setting Description

Sx 01 Forward running

Sy 02 Reverse running

Sn 03 Three-wire running control

The control mode is as the following figure6-5.

Figure6-5 Illustration of Three-wire running mode 2

Among: SB1: forward running button; SB2: Stop button; SB3: reverse running button.

4: Three-wire control 3

The same with three-wire control mode 2, the difference is the stop button is normal open

0 Forward

1 Reverse