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___________________________________________________________________________________

 

 

16

 

RS-422 or 4-Wire RS-485 working model with termination resistor: 

 

 

2-Wire RS-485 working model with termination resistor: 

 

 

 

SUNIX RS-422/485 PCI Serial board equips independent TX and RX 

termination resistors for each serial port. User can modify the jumper setting 

(short the pins) to avoid impedance mismatched problem when operate under 

Multi-drop transmission. Resistors should be added near the receiving side. 

Note: Stands for termination resistor near the receiving side. 

 

 

Manufactory default jumper setting is OPEN (disable 120 ohms termination 

resistors across the two wires). 

SUNIX Host Card

 

Device

 

D + (Tx+) 

D – (TX-) 

D + 

D – 

SUNIX Host Card

 

Device

 

Tx + 

Tx – 

 

Rx + 

Rx – 

Rx + 

Rx – 

 

Tx + 

Tx – 

Содержание RS-422

Страница 1: ...Universal PCI RS 422 485 Communication Board USER S MANUAL SUNIX Co Ltd Tel 886 2 8913 1987 Fax 886 2 8913 1986 Http www sunix com tw info sunix com tw English Version Second Edition December 2010 ...

Страница 2: ...e correctness of this content In the interest of continued product improvement this company reserves the right to revise the manual or include change in the specifications of the product described within it at any time without notice and without obligation to notify any person of such revision or changes The information contained in this manual is provided for general use by the customers Trademar...

Страница 3: ...ation 9 Pin Assignment 10 Jumper Settings 15 Chapter 3 Driver Installation 17 Windows Driver Installation 18 Windows Driver Uninstallation 23 Linux Driver Installation 24 Verify Installation 26 Chapter 4 Port Configuration 27 Configure Serial Port Settings 28 COM Port Number Settings 29 COM I O Resource 29 FIFO Settings 30 Advanced Settings for RS 422 485 Communication 31 Chapter 5 Appendix 35 Tro...

Страница 4: ...soft Windows 32 64 bit operation system WHQL logo identifies products that meet Microsoft s quality standards SUNIX I O products carry with this logo and listed on Windows Catalog WHQL logo includes below operation system version Microsoft Windows Client Windows 2000 XP Vista 7 X86 X64 Microsoft Windows Server Windows 2003 2008 X86 X64 ...

Страница 5: ...stalled in virtually any available PC system and compatible with all major operating systems Users do not need to manually set jumpers to configure I O addresses and IRQ locations This board offers independent RS 422 and RS 485 ports for connecting kinds of serial terminals on the PC based systems This board is industrial stand which offers a reliable and high performance solution for serial multi...

Страница 6: ...roller and as well built with many of SUNIX advanced features and technologies making it the best solution for commercial and industrial automation applications Package Checklist Please check if the following items are present and in good condition upon opening your package Contact your vendor if any item is damaged or missing 1 Hardware Serial Communication Board Universal PCI RS 422 485 Multi Po...

Страница 7: ...cation Ultra low power consumption design for Green Environment Built in 15KV ESD protection for all serial signals 2 0 KV optical isolation protection for all signal and power SI Version Only 500W peak surge protection for all signal lines SI Version Only Plug n Play I O address and IRQ assigned by BIOS Certified by CE FCC RoHS and Microsoft WHQL approval Support Microsoft Windows Linux and DOS N...

Страница 8: ...protection for each signal Human Body Model HBM 15KV IEC1000 4 2 Air Gap Discharge 8KV IEC1000 4 2 Contact Discharge Surge Protection 500W peak surge protection for all signal lines meet IEC 61000 4 5 SI Version Only Isolation Protection 2 5 KV Isolation Protection for all signal and power SI Version Only Connector DB9 25 Male Microsoft Client XP Vista 7 X86 X64 Microsoft Server 2000 2003 2008 X86...

Страница 9: ..._ 8 2 Hardware Installation ______________________________________________ This chapter includes information about hardware installation for Universal PCI RS 422 485 Multi Port Communication Board The following topics are covered Hardware Installation Pin Assignments Jumper Settings ...

Страница 10: ...and shut off the power to any peripheral Step 2 Remove the power plug from the plug socket Step 3 Remove the cover from the computer case Step 4 If fitted Remove the metal cover plate on the rear of a free PCI slot Step 5 Insert Universal PCI Multi Port Communication Board into the free PCI slot and screw it firmly on the bracket side Step 6 Place the cover back onto the computer Step 7 Insert the...

Страница 11: ...rovides the pin assignments for SUNIX Universal PCI RS 422 485 Multi Port Communication Board as well as the pin assignments for the optional accessories RS 422 or 4 Wire RS 485 PIN DB9M DB25M Pin Header Tx 2 3 3 Tx 1 8 1 Rx 3 2 5 Rx 4 20 7 GND 5 7 9 2 Wire RS 485 PIN DB9M DB25M Pin Header Tx 2 3 3 Tx 1 8 1 GND 5 7 9 ...

Страница 12: ...board SUNIX DB44 Female 4 ports Serial Communication Boards Pin Assignment Port Signal 1 2 3 4 Tx 32 36 40 44 Tx 17 22 26 30 Rx 3 7 11 15 Rx 1 5 9 13 RS 422 or 4 Wire RS 485 GND GND GND GND GND SUNIX DB44 Female 4 ports Serial Communication Boards Pin Assignment Port Signal 1 2 3 4 D 32 36 40 44 D 17 22 26 30 2 Wire RS 485 GND GND GND GND GND ...

Страница 13: ...in Assignment Port Signal 1 2 3 4 5 6 7 8 Tx 44 47 49 52 54 57 60 62 Tx 24 45 8 50 11 55 58 21 Rx 23 26 28 31 34 36 39 41 Rx 2 5 7 10 13 15 18 20 RS 422 or 4 Wire RS 485 GND GND GND GND GND GND GND GND GND SUNIX DB62 Female 8 ports Serial Communication Boards Pin Assignment Port Signal 1 2 3 4 5 6 7 8 Tx 44 47 49 52 54 57 60 62 Tx 24 45 8 50 11 55 58 21 2 Wire RS 485 GND GND GND GND GND GND GND GN...

Страница 14: ...tion Boards Pin Assignment Port Signal 1 2 3 4 5 6 7 8 Tx 60 21 43 4 65 26 48 9 Tx 40 1 62 23 45 6 67 28 Rx 61 22 44 5 66 27 49 10 Rx 41 2 63 24 46 7 68 29 GND GND GND GND GND GND GND GND GND Port Signal 9 10 11 12 13 14 15 16 Tx 70 31 53 14 75 36 58 19 Tx 50 11 72 33 55 16 77 38 Rx 71 32 54 15 76 37 59 20 Rx 51 12 73 34 56 17 78 39 RS 422 or 4 Wire RS 485 GND GND GND GND GND GND GND GND GND ...

Страница 15: ... 16 ports Serial Communication Boards Pin Assignment Port Signal 1 2 3 4 5 6 7 8 Tx 60 21 43 4 65 26 48 9 Tx 40 1 62 23 45 6 67 28 GND GND GND GND GND GND GND GND GND Port Signal 9 10 11 12 13 14 15 16 Tx 70 31 53 14 75 36 58 19 Tx 50 11 72 33 55 16 77 38 2 Wire RS 485 GND GND GND GND GND GND GND GND GND ...

Страница 16: ...rrors The solution to this problem is to establish the same impedance at the line ends as in the line itself by terminating them with resistors Ideally the two ends of the cable will have a termination resistor connected across the two wires Without termination resistors reflections of fast driver edges can cause multiple data edges that can cause data corruption Termination resistors also reduce ...

Страница 17: ...ermination resistors for each serial port User can modify the jumper setting short the pins to avoid impedance mismatched problem when operate under Multi drop transmission Resistors should be added near the receiving side Note Stands for termination resistor near the receiving side Manufactory default jumper setting is OPEN disable 120 ohms termination resistors across the two wires SUNIX Host Ca...

Страница 18: ...tem successfully please follow the step by step software installation guide to confirm how to install appropriate driver and configure the serial port settings The driver for PCI serial board supports Windows and Linux operating systems and you can select your requirement in the following chapter The following topics covered in this chapter Windows Driver Installation Windows Driver Uninstallation...

Страница 19: ...ndows operation system You will need to plug the board in an available PCI or PCI X slot first before installing the driver 1 After the board is physically installed and the PC boots up system will detect the PCI Serial card and prompt for driver installation wizard please choose cancel 2 Put CD driver bound with product in your CD DVD ROM drive Please select autorun exe then select Driver Install...

Страница 20: ...__________________________________________ 19 3 Please select the product interface you bought such as PCI 4 Please select the O S version you are using such as Windows Vista Then system will process the driver installation step automatically ...

Страница 21: ...___________________________________________________________________________________ 20 5 Please select driver language for your operation system 6 Click Next to continue driver installation steps ...

Страница 22: ..._______________________________________________________________________________ 21 7 Click Install to continue driver installation steps 8 System will install driver automatically It takes about one minute ...

Страница 23: ...___________________________________________________________________________________ 22 9 Click Finish to end installation steps ...

Страница 24: ...following instructions uninstall Multi I O card driver 1 Click on the Programs and Features tab in the Windows Control Panel Start Controller Panel Programs and Features 2 Entry Uninstall or change a program page and double click Windows Driver Package SUNIX Co Ltd SUNIX Multi I O Controller to process driver uninstallation procedure ...

Страница 25: ... Please create a directory under root directory e g temp do commands cd mkdir temp After get driver file snx_Vx x x x tar gz Copy file to temp directory then extract and install do commands cp snx_Vx x x x tar gz temp cd temp tar xvfz snx_Vx x x x tar gz cd temp snx make clean make install If system is Suse 9 0 and errors occur when make clean make install do commands cd usr src linux make cloneco...

Страница 26: ...device node which is name lp and parport This step will backup lp2 lp3 and parport2 parport3 to lp bak and parport bak in dev for your system first Then create lp2 lp3 and parport2 parport3 in dev for sunix driver maximum up tp 2 parallel ports This setp will be done when do make clean make install if device nodes aren t in dev do commands cd temp snx snxmknod snxmknod This will create device node...

Страница 27: ...e Manager to verify proper installation 1 Click on the Programs and Features tab in the Windows Control Panel Start Controller Panel Device Manager 2 In the Device Manager window you should see this board under Multifunction adapters 4 port RS 422 485 Serial Card in this example You should also see SUNIX COM port under Ports COM LPT ...

Страница 28: ...______________ This chapter shows all Serial COM port settings that user came with usually such as COM port number FIFO length size baud rate IO address and others The following topics covered in this chapter Configure Serial Port Settings COM Port Number Settings COM I O Resource FIFO Settings Advanced Settings for RS 422 485 Communication ...

Страница 29: ...lease refer to following instructions to configure Serial COM settings 1 Please launch the Device Manager 2 Right click the SUNIX Serial Card item from the Multifunction adapters sub tree and click Properties 3 On the Port Control tab select a port to configure Click OK to approve the settings for the selected port Click Set to All to approve the settings for all COM ports ...

Страница 30: ... not select in use port COM I O Resource User can read the COM IO Range and IRQ located in system by selecting COM port IRQ and I O address is automatically assigned by the mainboard PCI BIOS automatically before COM card driver installing User can NOT assign legacy ISA address 3F8 3E8 2F8 2E8 for the specific COM port But for IRQ setting user can set specific IRQ value for this PCI bus slot via m...

Страница 31: ...ings Receive FIFO interrupt trigger level When the level of data in the receiver FIFO reaches this value a receiver data interrupt is triggered Transmit FIFO interrupt trigger level When the level of data in the transmit FIFO falls below this value a transmitter interrupt is triggered Setting this value to zero will not trigger an interrupt until the transmitter is completely idle The FIFO trigger...

Страница 32: ..._________________________________________________________________ 31 Advanced Settings for RS 422 485 Communication User can control RS 422 485 communication in Advanced Port Control page through Advanced settings 1 2 3 ...

Страница 33: ...fication without SUNIX instruction User can click Defaults button back to manufactory settings UART Type Default Auto RS 422 485 User can select RS 422 or RS 485 interface for each COM port of this board 1 Auto RS 422 485 SUNIX developed a unique technology Auto Detect Switching RS 422 485 which can automatically detect the state of RS 422 full duplex or RS 485 half duplex and control the data tra...

Страница 34: ... or between nodes in a RS 485 network so that the data can be handled at an efficient pace Auto Carrier Sense ACS technology will check the status of RS 485 communication bus If the bus is idle it starts transmission If the bus is not idle some data flows in the bus then it will postpone the transmission of UART until the bus is idle Due to the reduction of TX RX packet conflicting on RS 485 one w...

Страница 35: ...re Direction Control Carrier Sense AHDC CS works on the same principle and only turns on the driver when UART needs to transmits some data but the advantage is that AHDC CS Auto Hardware Direction Control AHDC technology makes it easier to manage 2 wire RS 485 half duplex communications eliminating the need for software interference User does not necessary to write extra code for Windows applicati...

Страница 36: ...ows some problems that user came with usually Also you can check it if the PCI serial board can not work properly in your system after following hardware and software installation steps In addition you could contact with us for detail technical product information In this appendix we cover the following topics Troubleshooting Product Family Contact Information ...

Страница 37: ...s a blue screen when I entry operation system A The possible reason is an IRQ or I O address conflict with other PCI bus adapters such as LAN or serial boards or with the system BIOS Refer to the corresponding problem in the previous FAQ for solutions 3 There are some exclamation marks in device manager and serial ports can not work properly A It caused by the wrong driver installing or hardware s...

Страница 38: ...in order to process a string of data With larger FIFO buffer size there is more data flow and less interruption to the CPU therefore allowing the CPU to be free to handle other more crucial tasks Set the Receive Transmit Buffer to higher value will get faster performance because the interrupts will be reduced but the time for interrupt service routine will become shorter The receive buffer overflo...

Страница 39: ...s 15KV IPC E2104 600W 2 5KV IPC E2102SI 2 DB9 Male 921 6Kbps 15KV IPC E2102 RS 422 485 PCI Interface Port Connecter Baud Rate ESD Protection Surge Protection Isolation Protection Model NO 16 DB79 Female 921 6Kbps 15KV IPC P2116 600W 2 5KV IPC P2108SI 8 DB44 Female 921 6Kbps 15KV IPC P2108 600W 2 5KV IPC P2104SI 4 DB44 Female 921 6Kbps 15KV IPC P2104 600W 2 5KV IPC P2102SI 2 DB9 Male 921 6Kbps 15KV...

Страница 40: ...tion Protection Model NO 600W 2 5KV IPC E3108SI 8 DB44 Female 921 6Kbps 15KV IPC E3108 600W 2 5KV IPC E3104SI 4 DB44 Female 921 6Kbps 15KV IPC E3104 RS 232 422 485 PCI Interface Port Connecter Baud Rate ESD Protection Surge Protection Isolation Protection Model NO 600W 2 5KV IPC P3108SI 8 DB44 Female 921 6Kbps 15KV IPC P3108 600W 2 5KV IPC P3104SI 4 DB44 Female 921 6Kbps 15KV IPC P3104 ...

Страница 41: ...L Standard SER5466H 8 Mini SCSI 68 Female 921 6Kbps Low profile SER5466HL SER5456A 5V 12V Standard SER5456P SER5456AL 115 2 kbps 5V 12V Low profile SER5456PL SER5456H 5V 12V Standard SER5456PH SER5456HL 4 DB44 Female 921 6Kbps 5V 12V Low profile SER5456PHL SER5437A DB9 Male 5V 12V Standard SER5437P SER5437AL DB44 Female 115 2 kbps 5V 12V Low profile SER5437PL SER5437H DB9 Male 5V 12V Standard SER5...

Страница 42: ...rofile SER5056PL Standard SER5056U 5x2 Pin Header 115 2Kbps 2KV Low profile SER5056UL Standard SER5056H Low profile SER5056HL DB44 Female 5V 12V SER5056PH Standard SER5056UH 5x2 Pin Header SER5056UHL 4 DB44 Female 921 6Kbps 15KV 5V 12V Low profile SER5056PHL SER5037A DB9 Male 5V 12V SER5037P 5x2 Pin Header Standard SER5037U SER5037AL DB44 Female 5V 12V SER5037PL 5x2 Pin Header 115 2Kbps 2KV Low pr...

Страница 43: ...34mm ECS4000 2 DB44 Female 34mm ECS2000 1 DB9 Male 921 6Kbps 15KV 34mm ECS1000 RS 232 CardBus Interface Port Connecter Baud Rate ESD Protection Bracket Model NO 4 54mm CBS4000 2 DB44 Female 54mm CBS2000 1 DB9 Male 115 2Kbps 15KV 54mm CBS1000 RS 232 PCI 104 Interface Port Connecter Baud Rate ESD Protection Model NO 8 SER5337A 4 SER5356A 2 5x2 Pin Header 115 2Kbps 2KV SER5366A ...

Страница 44: ...oncern and to ensure that customers receive the full benefit of our products SUNIX services has been set up to provide technical support driver updates product information and user s manual updates The following services are provided E mail for technical support info sunix com tw World Wide Web WWW Site for product information http www sunix com tw ...

Страница 45: ...___________________________________________________________________________________ 44 This page is blank ...

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