Converter USB/RS-485
Contents
1. of converter module will light This led signalises proper installation For Windows 2000 operation system after restart and Windows XP the point 3 should be repeated After that LED ON will signalising the ready to use Found New Hardware Wizard Completing the Found New Hardware Wizard properly identified device The wizard has finished installing the software for ie J USB Serial Converter A Click Finish to close the wizard Figure 5 3 The Finish screen of device driver installation process Windows XP User manual Converter USB RS 485 5 2 SERIAL PORT CONFIGURATION Installed device will be detected as additional COM port Figure 5 4 The parameters of this port can be changed Both transmission parameters and port number can be changed User can do this using Device manager Figure 5 5 5 6 amp Device Manager DER EB Network adapters PCMCIA adapters Ports COM amp LPT Y Bluetooth Communications Port COM11 I Bluetooth Communications Port COM12 7 Bluetooth Communications Port COM13 7 Bluetooth Communications Port COM14 I Bluetooth Communications Port COM15 I Bluetooth Communications Port COM16 7 Bluetooth Communications Port COM6 I Bluetooth Communications Port COM7 F Communications Port COM1 7 ECP Printer Port LPT1 SF USB Serial Port COM17 A HR Processor Sound video and game controllers System devices Universal Serial Bus control2. msec zi Event On Surprise Removal Set RTS On Close Figure 5 6 Changing of COM Port Number Windows XP All parameters available by Advanced Settings panel except of COM Port Number should be unaffected All modifications of these parameters can be made on risk of the user 5 3 REMOVING OF DEVICE DRIVERS Removing of Converter USB RS 485 device drivers from operation system should be made if it is essential Device drivers removing specialised software is available for Windows 98 and Windows ME only Before driver removing all the units must be disconnected from the host computer USB cables unplugged To remove device drivers use Ftdiunin exe from directory created on hard drive after unpacking of drivers downloaded from producer website 11 User manual Converter USB RS 485 6 EXAMPLE OF THE RS 485 NETWORK CONNECTION The Converter USB RS 485 module is not equipped with internal terminator If the unit is installed on one end of RS 485 line external terminator must be installed Figure 6 1 The RS 485 line should be equipped with terminators on both it s ends Figure 6 2 RS 485 line can t be branched and longer than 1 km USB to RS 485 Converter device 1 te device n 1 2 3 4 n c 5 B B GND B eee At A A terminator terminator 120 ohm
3. 120 ohm Figure 6 1 Proffered connection method USB to RS 485 Converter device 1 eee device n B B eee A eee A A terminator terminator 120 ohm 120 ohm Figure 6 2 Accepted connection method 12 User manual Converter USB RS 485 13 User manual Converter USB RS 485 14 User manual Converter USB RS 485 15
4. B RS 485 unit guarantees full galvanic isolation between USB and RS 485 circuits Warning only one Converter USB RS 485 can be connected to RS 485 line The converter can work with any devices equipped with RS 485 interface The module contains FT232BM integrated circuit produced by FTDI Chip company and it supports USB 1 1 and USB 2 0 standards The main purpose of Converter USB RS 485 is connection of PC host computer with industrial data acquisition and visualisation systems based on RS 485 interface 3 TECHNICAL DATA Power supply voltage Supply current Galvanic separation USB connector Baud rate Housing dimensions Weight Operating temperature depending on version Storage temperature depending on version Humidity Altitude Screws tightening max torque Max connection leads diameter EMC Supported systems From USB interface 4 4V 5 25V DC max 150 mA between RS 485 line and USB interface 1x USB B type USB type A B cable length about 1 5 m is delivered with the unit 300 bit s 115200 bit s 40 x 55 x 100 mm 170g 0 C to 50 C or 20 C to 50 C 10 C to 70 C or 20 C to 70 C 5 to 90 no condensation up to 2000 meters above sea level 0 5 Nm 2 5 mm PN EN 61326 1 Windows 98 ME 2000 XP Vista 7 AN This is a class A unit In housing or a similar area it can cause radio frequency interference In such cases the user can be requested to use appropriate p
5. User manual Converter USB RS 485 e USB RS 485 signals convertion Ce Read the user s manual carefully before starting to use the unit or software Producer reserves the right to implement changes without prior notice 2013 02 28 Converter USB RS 485_INSHAEN_v 1 08 000 User manual Converter USB RS 485 CONTENTS 1 BASIC REQUIREMENTS AND USER SAFETY zuusersonsononnennunnunnnnononnonnunnnnnunnnnnnnnunnnnnnnnnnnnnnnnnnannnnannnnnnn 3 2 GENERAL CHARACTERISTICS ruvrvrsvrsvrnvennennesvennvnnvravrnnenvensennensersvnnvnnvnsnessensenevnnvnnvnavensessensesnernvvensvvennnn 3 TECHNICAL DATA rusvrsvravrnvvsnensenvnnvravnnvesvesnvnnensennvnnvensennenvennennernvnnnnvensensensernvnnvnnvesnenversennennvennrnnensensersernver 4 DEVICE INSTALLATION ernvvrvvravnnvrsvnnnenvennerneravnnvnnvrnnnnvenvesnensersvnnvnnvensesnensennvnnvsnvnnnenvensennerneranensnvvnsnsensnvener 41 EN ad OE EEE JE EE 4 2 CONNECTION METHOD unne aks DE PARSELE EATA 4 3 MAINTENANCE string estere puta seeren balder dliniesviesayriads eased 5 PREPARATION OF THE UNIT TO WORK rrrrvrnnvrnernvnnvrnvrnvrnnenvvsnvnnersvnnvnnvennnsnessensernvrnvnnvnsvennenvessersvnnennvner 5 1 INSTALLATION OF DEVICE DRIVERS ruvvnvnrvrnverververvenvrsvrsnvervnnvervenvenvrnnvenvanvervenvennrnnrenvennvnannvennre 5 2 SERIAL PORT CONFIGURATION 5 3 REMOVING OF DEVICE DRIVERS eeenene 6 EXAMPLE OF THE RS 485 NETWORK CONNECTION rrnravrnnvsvvrvnsvnnvrnvnnnenvenne
6. ignal cables so called spirals is recommended The spiral best if shielded must be used with RS 485 serial transmission connections In the case of interference from the power supply side the use of appropriate anti interference filters is recommended Bear in mind that the connection between the filter and the unit should be as short as possible and the metal housing of the filter must be connected to the earthing with largest possible surface The cables connected to the filter output must not run in parallel with cables with interference e g circuits controlling relays or contactors Connections are made using the screw connections on the back of the unit s housing The connections should be made accordingly to sticker on the top of converter s housing Figure 4 1 4 2 Figure 4 1 Method of cable insulation replacing and cable terminals User manual Converter USB RS 485 LEDs functions LED ON yellow signalises that unit is connected to the host powered and the USB drivers installed LED TX red signalises that unit is sending data to RS 485 line LED RX green signalises that unit is receiving data from RS 485 line host USB wi RX TX ON n c A B GND Figure 4 2 Connection method 4 3 MAINTENANCE The unit does not have any internal replaceable or ad
7. justable components available to the user Pay attention to the ambient temperature in the room where the unit is operating Excessively high temperatures cause faster ageing of the internal components and shorten the fault free time of unit operation In cases where the unit gets dirty do not clean with solvents For cleaning use warm water with small amount of detergent or in the case of more significant contamination ethyl or isopropyl alcohol AN Using any other agents can cause permanent damage to the housing KF Product marked with this symbol should not be placed in municipal waste Please PN check local regulations for disposal and electronic products User manual Converter USB RS 485 5 PREPARATION OF THE UNIT TO WORK Before the first connection of Converter USB RS 485 to RS 485 line host drivers should be prior installed Drivers are delivered to the user on installation CD User should download device drivers from producer website 5 1 INSTALLATION OF DEVICE DRIVERS To install device driver user should follow the instructions bellow 1 Connect USB B type plug to unit s USB socket 2 Connect USB A type plug to PC USB socket After connection computer detect new device and will start Found New Hardware Wizard Figure 5 1 Found New Hardware Wizard Welcome to the Found New Hardware Wizard This wizard helps you install software for USB Serial Converter _ if your hardware came with an insta
8. lers converter module as additional COM port Figure 5 4 Identification of the device as additional COM port Windows XP USB Serial Port COM17 Properties Tum General Port Settings Driver Bits per second 9600 P Data bits ff 3 Party None Stop bits 1 v Flow control Noe 3 Figure 5 5 Properties of detected port can be changed Windows XP 10 User manual Converter USB RS 485 Basic parameters except the baud rate are available in main tab of Port Settings Figure 5 5 and these settings does not matter The serial port parameters are usually available in application using these ports and can be set independently of system settings Maximal permissible baud rate of Converter USB RS 485 equals 115200 bit sec and this value must be fixed in detected COM port settings COM port number can be changed in Advanced Port Settings panel Figure 5 6 Advanced Settings for COM17 x COM Port Number COM17 USB Transfer Sizes COM p ort num ber E 1 Select lower settings to comect performance problems at low baud rates a ssign ed to de vi ce Select higher settings for faster performance Receive Bytes 64 Transmit Bytes 64 BM Options Select lower settings to correct response problems Latency Timer msec 1 Miscellaneous Options Serial Enumerator Minimum Read Timeout msec Bi Serial Printer Cancel If Power Off Minimum Write Timeout
9. llation CD IS or floppy disk insert it now What do you want the wizard to do O Install the software automatically Recommended Install from a list or specific location Advanced Click Next to continue Figure 5 1 Detection of new device Windows XP 3 After Found New Hardware Wizard run user should follow the instructions given on particular screens To select the directory of driver s files check Install from a list or specific location Figure 5 1 and point it using Browse button Figure 5 2 The directory where the drivers has been downloaded from producer website should be pointed User manual Converter USB RS 485 Found New Hardware Wizard Please choose your search and installation options Search for the best driver in these locations Use the check boxes below to limit or expand the default search which includes local paths and removable media The best driver found will be installed device driver C Search removable media floppy CD ROM i directory Include this location in the search example C NDownloadsWWin2k XP Vista 7 ue Dont search will choose the driver to install Choose this option to select the device driver from a list Windows does not guarantee that the driver you choose will be the best match for your hardware Figure 5 2 Device driver directory Windows XP After proper installation appropriate information will be displayed Figure 5 3 and LED ON
10. nnection cables must be terminated with appropriate insulated cable tips Tighten the clamping screws The recommended tightening torque is 0 5 Nm Loose screws can cause fire or defective operation Over tightening can lead to damaging the connections inside the units and breaking the thread In the case of the unit being fitted with separable clamps they should be inserted into appropriate connectors in the unit even ifthey are not used for any connections Unused clamps marked as n c must not be used for connecting any connecting cables e g as bridges because this can cause damage to the equipment or electric shock User manual Converter USB RS 485 Due to possible significant interference in industrial installations appropriate measures assuring correct operation of the unit must be applied To avoid the unit of improper indications keep recommendations listed below Avoid common parallel leading of signal cables and transmission cables together with power supply cables and cables controlling induction loads e g contactors Such cables should cross at a right angle Contactor coils and induction loads should be equipped with anti interference protection systems e g RC type Use of screened signal cables is recommended Signal cable screens should be connected to the earthing only at one of the ends of the screened cable In the case of magnetically induced interference the use of twisted couples of s
11. nnernvrnnnavnnsennensessernnensnne Ko lo l 01 Ion Ion HS Aa BRE wimni Explanation of symbols used in the manual This symbol denotes especially important guidelines concerning the installation and operation of the device Not complying with the guidelines denoted by this symbol may cause an accident damage or equipment destruction IF THE DEVICE IS NOT USED ACCORDING TO THE MANUAL THE USER IS RESPONSIBLE FOR POSSIBLE DAMAGES o This symbol denotes especially important characteristics of the unit Read any information regarding this symbol carefully User manual Converter USB RS 485 1 BASIC REQUIREMENTS AND USER SAFETY The manufacturer is not responsible for any damages caused by inappropriate installation not maintaining the proper environmental conditions and using the unit contrary to its assignment Installation should be conducted by qualified personnel During installation all available safety requirements should be considered The fitter is responsible for executing the installation according to this manual local safety and EMC regulations The unit must be properly set up according to the application Incorrect configuration can cause defective operation which can lead to unit damage or an accident Ifin the case of a unit malfunction there is a risk of a serious threat to the safety of people or property additional independent systems and solutions to prevent such a threat must be u
12. reventive measures User manual Converter USB RS 485 4 DEVICE INSTALLATION The unit has been designed and manufactured in a way assuring a high level of user safety and resistance to interference occurring in a typical industrial environment In order to take full advantage of these characteristics installation of the unit must be conducted correctly and according to the local regulations AY Read the basic safety requirements on page 3 prior to starting the installation All installation works must be conducted with a disconnected power supply Protecting the power supply clamps against unauthorized persons must be taken into consideration 4 1 UNPACKING After removing the unit from the protective packaging check for transportation damage Any transportation damage must be immediately reported to the carrier Also write down the unit serial number on the housing and report the damage to the manufacturer Attached with the unit please find user s manual for Converter USB RS 485 device 4 2 CONNECTION METHOD Caution N Installation should be conducted by qualified personnel During installation all available safety requirements should be considered The fitter is responsible for executing the installation according to this manual local safety and EMC regulations Wiring must meet appropriate standards and local regulations and laws In order to secure against accidental short circuit the co
13. sed Neighbouring and connected equipment must meet the appropriate standards and regulations concerning safety and be equipped with adequate overvoltage and interference filters Do not attempt to disassemble repair or modify the unit yourself The unit has no user serviceable parts Defective units must be disconnected and submitted for repairs at an authorized service centre In order to minimize fire or electric shock hazard the unit must be protected against atmospheric precipitation and excessive humidity Do not use the unit in areas threatened with excessive shocks vibrations dust humidity corrosive gasses and oils Do not use the unit in areas where there is risk of explosions Do not use the unit in areas with significant temperature variations exposure to condensation or ice Do not use the unit in areas exposed to direct sunlight Make sure that the ambient temperature e g inside the control box does not exceed the recommended values In such cases forced cooling of the unit must be considered e g by using a ventilator The unit is designed for operation in an industrial environment and must not be used in a household environment or similar User manual Converter USB RS 485 2 GENERAL CHARACTERISTICS The Converter USB RS 485 module is designed to connect a USB host to slave devices equipped with RS 485 interface The PC with special software can be used as a host The Converter US
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