1. Parameters

Product model

WLX-070R-AP20

Basic parameters

● CPU: Cortex -A8 architecture; Frequency 1.0GHZ

● Memory: 512MB DDR3

Flash:256MB NandFlash

Display screen

● Size:7 inch

● Resolution:800×480

● Wide-temperature type,64K colors or 260K colors

● LED backlight:lifetime > 25000 hours

Touch screen

4-wire resistance touch screen(driver inside)

Hardware interface

● 4 channel isolated 3-wire RS-232 serial port(COM1,COM2,COM3,COM4),2 channel(COM1,COM2)is multiplexing of RS-485 bus interface.

● 1 channel isolated CAN bus.(optional)

● 1 channel built-in WIFI module .(optional)

● 1 channel USB device interface

● 2 channel USB Host interface,support usual USB device such as mouse, keyboard, U disk ,etc.

● 1 channel 100M Ethernet interface.

● 1 channel SD/MMC slot,support SD/MMC card .

● 1 channel 3.5mm audio output interface.

● 1 channel DC12V~24V,industrial power solution,higher reliability.

Attention

When the serial port is connected, The GND wire of the two devices must be connected to avoid burning the serial chip and affecting communication.

OS

Linux

Defend degree

IP65 (front panel)

Working environment

● power:DC 12~24V ,600mA

● working temperature:-10~60℃    

● storage temperature:-20~80℃

● working humidity:10~90%RH

Size

● shell structure:plastic

● panel size:206×142(mm)

● trepanning size:196×132(mm)

Application area

● industrial control,detection device,instruments and meters,security monitoring,medical apparatus and instruments, intelligent terminals embedded high-end application.

● Support CAN bus network deployment.

Software support

● Flash power-down protection function.

● QT Creator(QT C++)development, easy to use other software flexibly.

● Easy change the user-defined splash screen.

● Support display screen rotation (degree: 0/90/180/270)

2. Interface definition 

1.  CANL

2. CANH

3. GND

4. COM3-RX of RS-232

5. COM3-TX of RS-232

6. COM4-RX of RS-232

7. COM4-TX of RS-232

8. COM2-485B

9. COM2-485A

10. GND

11. COM1-485B

12. COM1-485A

2.1 RS-232 interface

4 channels,support the highest-level baudrate 115200bps. The corresponding interface in Linux system is COM1 ~ COM4. Specially COM1 and COM2 have 2 output type as RS-232 and RS-485.

2.2 RS-485 interface

The corresponding port in Linux system is COM1,COM2, and same UART port with RS-232 ( COM1/COM2), but different output type. Also, a 120 ohm(Ω ) terminal Resistance inside.

2.3 CAN Bus interface

The function of Can-bus interface is optional. Also, a 120 ohm(Ω) terminal resistance between CAN+ and CAN- .

2.4 Power interface

As shown in the figure:

3. Exterior size

Exterior size:206×142 (mm)          Trepanning size:195.6×131.6(mm)