Au3Tech HW970 - Controller Wiring Description

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1.2 Controller wiring terminal description
Controller wiring terminal
For detailed description of the controller terminals, please refer to the table below.
Controller terminal description
NO.
Port
screen
printing
Input/
Output
Pin
Pin Definition
Terminal description
1
RS485
IN/OUT
/
RS485
Touch screen communication interface
2
RS232
IN/OUT
/
RS232
RS232 interface (wireless control
receiver)
3
/
IN/OUT
/
USB
USB interface (wireless communication/U
disk download)
4
POWER
IN
1
24+
Controller DC24V power input
2
PGND
3
GND
5
CON1
OUT
1
PWM+
DC24V\DC5VPWM output signal
(The output amplitude can be configured)
2
PWM-