Inovance MD290T45G/55P - Page 108

6. Description of Parameters
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6
Ƶ
F4-11 = 2: Three-wire Control Mode 1
In this mode, DI3 is three-wire control terminal. DI1 is set for forward run function and DI2
is set for reverse run function. The parameters are set as below:
Function Code Parameter Name Value Function Description
F0-02 Command source selection 1 Terminal I/O control
F4-11 Terminal I/O control mode 2 Three-wire control mode 1
F4-00 DI1 function selection 1 Forward RUN (FWD)
F4-01 DI2 function selection 2 Reverse RUN (REV)
F4-01 DI3 function selection 3 Three wire control
SW3 is a normally-closed button and SW1 and SW2 are normally-open buttons.
Ɣ
SW3 must remain closed during START sequence and during normal RUN operation.
Ɣ Motor stops immediately when SW3 opens.
Ɣ
Signals from SW1 and SW2 are valid only with SW3 closed.
Ɣ On normal condition (SW3 closed), after you press down SW1, motor rotates in
forward direction. After you press down SW2, motor rotates in reverse direction.
Figure 6-7 Three-wire 1 sequence wiring diagram
DI1
FWD
Stop
DI2
COM
REV
DI3
SW1
SW2
SW3
0/1
1
0
0/1
0
1
Running Command
Stop
Forward
Reverse
SW2SW1
0
1
1
SW3
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Figure 6-8 Three-wire 1 sequence
Motor speed
Stop
Motor rotates in
forward direction
Motor rotates in
reverse direction
SW3 (three-wire
control command)
SW1 (forward
run command)
SW2 (reverse
Run command)