USB to RS-422 / 485
US-101-485
USB To Serial Operation Manual
First Edition, Jun 2008
Page 1: ...USB to RS 422 485 US 101 485 USB To Serial Operation Manual First Edition Jun 2008 ...
Page 2: ... A Connector 6 Serial I O Port of RS 422 485 7 Terminator 7 LED Indicators 8 5 US 101 485 Driver installation 9 Driver Installation 9 6 Hardware Installation Setup 13 Hardware installation 13 Hardware setup 15 Appendix A Pin Outs and Cable Wiring 19 USB Layout Diagram 19 RS 422 Pin Assignment 20 RS 422 Wiring Diagram 20 RS 485 Wiring Diagram 20 ...
Page 3: ...ible with the USB V1 0 2 0 US 101 485 s electrical power is from USB port and doesn t need any power adapter You can connect a PC USB port or USB hub to US 101 485 via the USB cable and High Speed RS 485 422 serial port which features easy connectivity for traditional serial devices in your working environments US 101 485 offers internal surge protection on RS 485 422 s data lines Internal high sp...
Page 4: ...t is shipped with the following items 1 unit of US 101 485 USB to RS 485 422 converter 1 unit of A type to A type USB cable User Operation Manual Software CD NOTE Notify your sales representative if any of the above items is missing or damaged ...
Page 5: ...6 Byte Transmit buffer 640 Byte Baud Rate Speed 300 bps 230 4k bps Built in RS 422 RS 485 Terminal Resister Surge Protection Connected Serial port type identification Auto Detection Built in Terminal 100 Ohm Terminal resistor SW selection ON OFF 15KV ESD for all signal USB Port No of Ports USB 1 Port Chipset Silicon Laboratories CP2102 Fully compatible with the USB V1 0 V1 2 V2 0 USB type A connec...
Page 6: ...ista Mac osx os9 Linux 2 4 2 6 Power USB bus power as voltage DC 5V Environment Operating Temperature 0 60 Storage Temperature 20 85 Humidity 5 95 RH Dimensions 55 40 25 mm W D H WEIGHT 35 gm Regulatory Approved EMC FCC Class A CE Class A WARRANTY 1 Year ...
Page 7: ...1 485 USB to RS 485 422 is powered by USB Universal Serial Bus port a single 5V DC Inner positive outer negative power supply and 500mA of current To connect the USB cable to between a PC USB port or USB hub and US 101 485 s USB port Serial I O Port RS 485 422 USB Type A Connector USB Type A Port Terminator ...
Page 8: ...d the serial device Follow the parameter setup procedures to configure the converter see the following chapters Terminator The purpose is for compensating signal attenuation in long distance connection at RS 485 422 If the switch 1 2 are set in ON position the signal compensation will be activated To disable the function just to push switch 1 2 to opposite position Serial I O Port RS 485 422 Termi...
Page 9: ...8 LED Indicators SYS Red It is a power indicator When the power is on the SYS LED will be on Power LED ...
Page 10: ...nclosed in the device box All the US 101 485 USB to RS 485 422 Adapters must be installed the driver first before you use it Driver Installation Before when connecting up US 101 485 adapter for the first time you have to install the driver software in your computer first US 101 485 s driver has supported several kinds of OS like Windows Mac and Linux A Install CP210x_VCP_Win2K_XP software Through ...
Page 11: ...ge will be showed as CP210x VCP Drivers for Windows 2000 XP on your computer and then to Click Next icon for going to next step C Choose Accept item of license agreement After reading the license agreement then if you agree the terms to choose the item I accept the term of the license agreement ...
Page 12: ... Choose destination location It is for saving the CP201x driver software in destination location of computer E Execute the program installation Click the install icon to begin installation of CP210x driver ...
Page 13: ...lick Install icon the installshield wizard is installing Silicon Laboratories CP210x drivers for Windows 2000 XP and installation location G InstallShield Wizard Complete CP201x VCP driver has successfully installed and click Finish icon for exiting the wizard ...
Page 14: ...ready after booting 2 There is a type A USB cable has two distinct connectors to connect the cable from a USB device to as on a computer or USB hub 3 Connect USB cable between a PC USB port or USB hub and US 101 485 adapter 4 Connect the serial port RS 485 422 equipments to US 101 485 of USB to serial adapter ...
Page 15: ...onverter then a massage as New device has been connected will be pop up on screen However the CT201x VCP driver needs to be installed in PC in advance 6 The SYS indicator of red LED will be turn into on The US 101 485 USB to serial adapter is active ...
Page 16: ...ected and you can setup more detail parameters by computer s manage A Into Manage icon in My Computer Click My Computer icon and then press the right side button of mouse After you click the manage item on list bar then Computer Management Local list will be pop up ...
Page 17: ...er item all devices of computer will be list on right site of screen and then click Ports COM LPT item for looking for more COM devices C Detail parameters of CP210x USB to UART Bridge Controller Click CP210x USB to UART Bridge Controller for getting more detail information of the device ...
Page 18: ...troller This is showing the statues of device and some product general information COM port number of device is also display on E Port Settings communication detail information This is for checking and setting more detail parameters of device for communicating ...
Page 19: ...18 F Driver detail information The driver detail information as you installed in your computer G Details item It is for checking device ID numbers as device instance ID ...
Page 20: ...gram Type A USB Connector RS 422 Pin Assignment The pin assignment scheme for a 4 pin RS 422 is given below RS 422 PIN 1 T PIN 2 T PIN 3 R PIN 4 R RS 485 PIN 1 D PIN 2 D RS 422 Wiring Diagram Serial Device US 101 485 R 2 T R 1 T T 4 R T 3 R RS 485 Wiring Diagram 1 2 3 4 ...
Page 21: ...20 Serial Device US 101 485 D 2 D D 1 D ...
