Easy Start Guide
Page 12
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12. How to configure “3-Wire” control with Run/Stop
pushbuttons and Forward/Reverse selection
The procedure described in section 7 enables
Run/Stop operation via the red and green
buttons on the Inverter keypad.
If this is unsuitable for the application, remote
switches can be used instead.
This section explains how to enable 3-wire
control with Run and Stop via pushbuttons and
Fwd/Rev via a selector switch.
When set to operate in this way, the Inverter
can no longer be operated via the integrated
keypad.
Parameter
Description
How to set
F208
Two-line/three-line control
Set to
(3 wire control; momentary start/stop with reverse select)
4
F317
DI2 terminal function setting
Default is 9; set to
; Stop (NC; pulse close to stop)
17
F318
DI3 terminal function setting
Default is 15; set to
; Run (NO; pulse close to start)
15
F319
DI4 terminal function setting
Default is 16; set to
; Reverse Select (Open = Forward; Closed = Reverse)
16
12.1 Parameters to change for remote 3-wire control
Note that the Forward/Reverse switch can be used
to set the direction when the motor is stopped or
running. If the motor is running and the direction is
changed the Inverter will first decelerate the motor
to zero speed before accelerating up to the speed
setpoint in the opposite direction.
The direction of rotation is indicated by the “FWD”
lamp on the Inverter.
12.2 Connecting the Switches
When the NPN/PNP jumper is set to PNP (the
default), the 24V terminal is a common connection
for the digital terminals (terminals prefixed with
“D”). If you prefer to set the jumper to NPN, use CM
as the common instead.
For “Run” and “Stop”, two suitable pushbuttons
should be installed. The “Run” pushbutton should
include a Normally Open contact between
terminals DI3 and 24V and the “Stop” a Normally
C l o s e d c o n t a c t b e t w e e n D I 2 a n d 2 4 V.
A momentary connection between DI3 and 24V will
start the motor. It will continue to run until the
connection between DI2 and 24V is broken.
For “Forward/Reverse” a suitable 2 position NO
(Normally Open) switch should be installed
between DI4 and 24V.
1
1
Pushbutton
Normally Open
“Run”
R
Pushbutton
Normally Closed
“Stop”
Switch, 2 Position
Normally Open
“Forward / Reverse”
1 3
Parker AC10 Series Inverter (to 22kW)
NPN/PNP
switch “J7"
1
4
2
4
2
3
1
3 2 4
