High stability, 7x24 hours without downtime, using fanless CPU processor with low power consumption and high stability. High reliability, no handling errors are allowed, and strict tests are passed. With self-recovery function, to deal with unexpected situations, such as uninterrupted disconnection and shutdown for a long time. Communication interface suitable for industrial use, easy to expand. Adapt to the industrial complex and harsh environment, such as strong, shockproof, moisture-proof, dust-proof, high temperature resistance. Simple and easy secondary development, multi-platform, multi-language support, providing routines.1.Parameters

Product model	WLT-043R-NP00
Basic parameters	CPU: ARM9 architecture ; Frequency 300MHZMemory: 64MB DDR2Flash：128MB NandFlash
Display screen	Size：4.3 inchResolution：480x272Wide-temperature type，64K colors or 260K colorsLED backlight：lifetime > 25000 hours
Touch screen	4-wire resistance touch screen（driver inside）
Hardware interface	1 channel DB9 interface (COM1). 1 channel 3-wire RS-232 serial port (COM2) 2 channel RS-485 interface (COM3, COM7), COM3 is a multiplexing of CAN , COM3 as standard. 1 channel CAN bus (driver inside) multiplex as RS-485-COM3 (optional). 1 channel USB Device interface, support ActiveSync connect to PC to exchange data and debug application. 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 TF card. 1 channel External WIFI module. (optional) 1 channel DC12V~24V, Power Input interface .
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	Windows CE 6.0 R3
Defend degree	IP65 (front panel)
Working Environment	Power：DC 12V~24V working Temperature：-10~60℃    storage temperature：-20~85℃working humidity：10～90%RH
Size	shell structure: plasticpanel size：139.6×86.6 （mm）trepanning size：131.2×79.2 （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.IDE: Visual Studio 2005/2008.net(.net 2.0 Compact), EVC++, Labview development.Easy change the user-defined splash screen.Support display screen rotation (degree: 0/90/180/270).

2. Interface definition

1 COM2-485A （CANH）	2 COM2-485B （CANL）
3 GND	4 COM3-TX of RS-232
5 COM3-RX of RS-232	6 GND
7 COM4-485A	8 COM4-485B

2.1 RS-232 interface 2 channels，support the highest-level baudrate 115200bps. The corresponding port in Win CE system is COM1 、 COM3. 2.2 RS-485 interface The corresponding port in Win CE system is COM1、COM2. And COM2 is a multiplexing of CAN interface. 2.3 CAN Bus interface The function of Can-bus interface is optional. Also, without terminal resistance inside ,pls specify once in need. 2.4 Power interface As shown in the figure:3. Exterior size Exterior size: 139.6×86.6×29.3（mm）         Trepanning size: 131.2×79.2（mm）