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User Manual for RS485 to USB Converter, Model VE11 485
1. Introduction
1-1 Specification
2-1 Panel layout
2-2 LED Indictor
2-3 Power Connection
2-4 USB Connection
2-5 RS485 W iring
2-6 RS422 W iring
3. Terminal Resister
3-1 RS422 terminal resistor connection
3-2 RS485 terminal resistor connection
3-3 Terminal Resistor Specification
4
Driver Installation
1. Introduction
The VE11U 485 allows you to connect your serial devices to systems by using a USB interface. W ith
data format auto detecting and baud rate auto switching function, VE11U 485 is able to automatically
detect the data flow and switch the direction of the data lines as well as to automatically configure
RS422/485 signals to any baud rate without external switch setting.
1-1. Specification.
USB
Compliant
Connector
Baud Rates
Serial Port
Port
RS-422
RS-485
RS422, RS485
RS422, RS-485
Receive buffer
Transmit buffer
Baud Rate
Flow Control
Driver Support
Power
Indications
Dimension
Weight
Environment
Storge Temp
Humidity
Power consumption
: USB 1.0 , 1.1 , 2.0
: USB type A
: Upto 12 Mbps
: 1 port ( Terminal Block )
: RxD+, RxD-, TxD+, TxD-,
: Data+, Data-
: Auto Detect
: Surge Protection for all signal lines.
: 576 Byte
: 640 Byte
: 300 ~ 230.4 K bps
: X-On / X-Off or Hardware
: Windows -98SE / 2000 / XP / Server 2003 / Mac osx / os9 / Linux 2.4 / 2.6
: USB Bus Power ( 5V ). No external supply needed.
: Power / TX / RX mode LED indicators
: Size : 55 * 40 * 25 mm ( W * D * H )
: 35 gms
: Operating Temp : 0 to 55C
: -20 to 85C
: 5~95 % RH
: 0.3W.
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Summary of Contents for Vernier VE11 485
- Page 1 User Manual for RS485 to USB Converter, Model VE11 485 … … … … … 1. Introduction … … … … … 1-1 Specification … … … … … 2. Hardware Description … … … … 2-1 Panel layout …...
- Page 2 2. Hardware Description 2-1. Panel layout 2-2. LED Indictor PW R LED: System is ready. RX LED : Receiving. TX LED : Transmitting. 2-3. Power Connection (USB Internal Bus) Direct power input from USB bus port. (current 55mA/+5V) 2-4. USB Connection The VE11U 485 has a USB A-Type connector which is fully compliant with USB 1.1, 1.0 and USB 2.0, the full rate...
- Page 3 3. Terminal Resister VE11U 485 hardware has Terminal resistor built in, user may add external terminal resistor if require. The external terminal resister connection as below. 3-1. RS422 terminal resistor connection 3-2. RS485 terminal resistor connection 3-3. Terminal Resistor Specification 110 ohm: If distance between both end of RS422/485 devices in 1.2KM.
- Page 4 DRIVER INSTALLATION GUIDE 1. Double click on US-101-USB Drivers 2. Install CP210x_VCP_Win2K_XP_S2K3 software 3. Choose NEXT 4. Choose ACCEPT Page 4 of 8...
- Page 5 6. Choose Install Page 5 of 8...
- Page 6 7. Finish In case of any problems try installing through : 1. Go to C:\SiLabs\MCU\CP210x\Windows 2. Run CP210xVCPInstaller 3. Install Page 6 of 8...
- Page 7 4. Start Scanning hardware ( Don’t set up hardware now) The PC needs to be restarted for installation of the drivers. Connect the Converter Check Device manager under Control panel for CP201 USB Drivers. Page 7 of 8...
- Page 8 Check for a new Com port in COM/LPT1 section, CP210 USB to UART Bridge. This finishes the installation. Connecting the Hardware : 1. Connect a 485 cable as per diagram in section 2. 2. Connect the USB cable from the USB port of the converter to your USB device. 3.
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