Votek UT-861 User Manual Download Page 6

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7. Faults and trouble-shooting

1) Data communication fails

A. Check the USB cable connection

B. Check the RS-485/RS-422 connection

C. Check the power supply

D. Check the connection of terminals

E. Check if the receiving indication light flashes when receiving data

F. Check if the transmitting indication light flashes when transmitting data

2) Data lost or error

A. Check if the data rates and format of both communication devices are identical

8. Appearing diagram

Summary of Contents for UT-861

Page 1: ...Model UT 861 USB RS 485 RS 422 4Port Industrial Grade Opto Isolated Interface Converter Users Manual Instruction Manual...

Page 2: ...in functions 2 3 Hardware installation and application 2 4 Performance 3 5 Connector and signal 3 6 Communication connection wiring diagram 4 7 Troubleshooting 5 8 Product appearing diagram 5 9 Steps...

Page 3: ...e used to automatically control the direction of data flow without any hand shaking signals such as RTS and DTR and full duplex RS 422 and half duplex RS 485 can be implemented without jumper configur...

Page 4: ...ESD portection 11 Isolation degree 2500Vrms isolation voltage for each port 500DC contineous specialized DC DC module 12 Isolation type master slave isolation slave slave isolation 13 Interface connec...

Page 5: ...e converters 2 RS 422 point to multipoint 4 wire full duplex communication USB to RS 485 conversion 1 RS 485 point to point 2 wire half duplex 3 Half duplex communication connection between UT 861 int...

Page 6: ...C Check the power supply D Check the connection of terminals E Check if the receiving indication light flashes when receiving data F Check if the transmitting indication light flashes when transmitti...

Page 7: ...ly when the UT 861 is connected to PC Please select install from list or specified location For advanced user and click Next The following dialogue of path selection will be shown and please select Do...

Page 8: ...re type dialogue will be shown and please scroll to Universal serial bus controller and click Next The dialogue of select the device driver you want to install for this hardware will be shown and plea...

Page 9: ...of install form hard disk will be shown and please click browse to select the path of driver The dialogue of find files will pop up and then select the CD path Open it as shown in the following figur...

Page 10: ...onverter type as shown in following figure Click the folder of UT 861 and open it then select PCDriver folder Select the appopriate operating system such as windows xp and select Winxp 2003 2000 and c...

Page 11: ...10 In the popped up dialogue select FTDIBUS INF and click it to open it then a new dialogue with selected FTDIBUS file will be shown Following is the driver path and then please click OK...

Page 12: ...the USB Serial Converter as shown in the figure below then click Next The USB Serial Converter installation wizard is completed just as shown in the following figure Then the system will detect the US...

Page 13: ...Port Please click Next and the following steps are just the same as the wizard of USB Serial Converter so we won t describe it in detail here The system has found the hardware installation informatio...

Page 14: ...pletely After the driver has been installed correctly please have a look at the device manager to make sure whether there is virtual COM port If it s the first time to install the USB driver on this s...