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3. External Connection 

 

 

 

COM-2PD(PCI)H, COM-4PD(PCI)H 

37

 

Types of Cable and Example Connections 

The figures below show examples of how to connect the cable for the board. 

The RS-422A/485 interface works based on a differential signal whereby the signal is carried by the 

potential difference between two lines (+ and -).  Using twisted pair cable is recommended to improve 

resistance to noise. 

RTS

-

RxD

-

TxD

-

TxD+

RxD+

RTS+

CTS+

CTS-

SG

RTS

-

RxD

-

TxD

-

TxD+

RxD+

RTS+

CTS+

CTS-

SG

External device

 

Figure 3.6.  Example Connection RTS and CTS to a External Device in Full Duplex 

External device

RxD

-

TxD

-

TxD+

RxD+

SG

RxD-

TxD

-

TxD+

RxD+

SG

 

Figure 3.7.  Example Connection Oneself loop to RTS and CTS in Full Duplex 

External device

TxD-

TxD+

SG

TxD-

TxD+

SG

 

Figure 3.8.  Example Connection in Half Duplex 

CAUTION

 

 

 

If connecting between external devices and this board with faulty wiring, it will become the cause of 

failure. 

 

Содержание COM-2DL-PCI

Страница 1: ...PC HELPER RS 422A 485 Serial I O Board with Isolation for PCI 2ch COM 2PD PCI H 4ch COM 4PD PCI H User s Guide CONTEC CO LTD...

Страница 2: ...below Check with the following list that your package is complete If you discover damaged or missing items contact your retailer Product Configuration List Board COM 2PD PCI H or COM 4PD PCI H First s...

Страница 3: ...o change without notice All relevant issues have been considered in the preparation of this document Should you notice an omission or any questionable item in this document please feel free to notify...

Страница 4: ...UP 9 What is Setup 9 Using the Board under Windows Using the Standard COM Driver Software COM Setup Disk9 Using the Board under Windows Using the Driver library API PAC W32 9 Using the Board under Lin...

Страница 5: ...to the port connector 34 In the case of COM 4PD PCI H 35 Using the 9 pin D SUB Connector Conversion Cables 35 Connecting it directly from the on board connector 36 Types of Cable and Example Connectio...

Страница 6: ...COM 2PD PCI H COM 4PD PCI H v Hardware specification 50 Circuitry Diagrams 53 Differences from COM 2PD PCI 54...

Страница 7: ...vi COM 2PD PCI H COM 4PD PCI H...

Страница 8: ...s four RS 422A 485 standard serial ports Baud rates from 2 to 921 600bps can be set When using the bundled Standard COM Driver Software and Driver library API PAC W32 baud rates from 15 to 921 600bps...

Страница 9: ...hat support Win32 API functions such as Visual Basic and Visual C Support Software You should use CONTEC support software according to your purpose and development environment Standard COM Driver Soft...

Страница 10: ...details and how to download API PAC W32 visit http www contec co jp apipac Operating environment OS Windows 7 Vista XP Server 2003 etc Adaptation language Visual Basic Visual C Visual C Delphi C Build...

Страница 11: ...his device is returned freight prepaid with a copy of the original invoice and a Return Merchandise Authorization to the distributor or the CONTEC group office from which it was purchased This warrant...

Страница 12: ...the destruction of equipment and resources Understand the meanings of these labels to operate the equipment safely DANGER DANGER indicates an imminently hazardous situation which if not avoided will...

Страница 13: ...als with industrial alcohol Do not install or remove the board to or from the slot while the computer s power is turned on Otherwise the board may malfunction overheat or cause a failure Doing so coul...

Страница 14: ...eads of the bus connector have no stain or corrosion Check that the board has no dust or foreign matter adhering Check that the bus connector of the board and its cable have been plugged correctly Sto...

Страница 15: ...1 Before Using the Product 8 COM 2PD PCI H COM 4PD PCI H...

Страница 16: ...n use the diagnosis program later to check whether the software and hardware function normally Step 1 Setting the Hardware Step 2 Installing the Hardware Step 3 Initializing the Software On the CD ROM...

Страница 17: ...Setup Disk in the supplied CD ROM The procedure for using the software is described in the Linux Readmee htm file See also the following parts of this manual as required This chapter Step 1 Setting th...

Страница 18: ...e board settings later Parts of the Board and Factory Defaults Figure 2 1 to Figure 2 2 shows the names of major parts on the board Note that the switch setting shown below is the factory default COM...

Страница 19: ...SW2 ON 1 3 2 4 SW4 ON 1 3 2 4 SW6 ON 1 3 2 4 SW8 ON 1 3 2 4 Data transmission mode setting swich SW3 SW5 SW7 SW9 SW3 SW5 SW7 SW9 ON 1 3 2 4 5 6 ON 1 3 2 4 5 6 ON 1 3 2 4 5 6 ON 1 3 2 4 5 6 SW2 SW4 SW...

Страница 20: ...ly one board is used the original factory setting Board ID 0 should be used Setting Procedure To set the board ID use the rotary switch on the board Turn the SW1 knob to set the board ID as shown belo...

Страница 21: ...Transmission Mode Transmission mode Setting SW1 SW5 SW7 SW9 Half duplex When there are RTS and CTS When there are no RTS and CTS To connect RTS and CTS to the other unit communication is available TX...

Страница 22: ...and SW8 for channel 4 Each bit in the switch corresponds to a different signal line bit 1 for RxD bit 2 for CTS bit 3 for TxD and bit 4 for RTS Setting Procedure If you wish to use a terminator of oth...

Страница 23: ...RxD Terminator Bit 1 Not insert the terminator Terminator Bit 1 Terminator Bit 3 Figure 2 5 Self looping state of RTS CTS RxD TxD TxD RxD CTS RTS RTS CTS SW2 SW4 SW6 SW8 1 3 2 4 ON RTS TxD CTS RxD 1 3...

Страница 24: ...witch and terminator setting switch TxD TxD RxD RxD CTS CTS RTS RTS RTS DCD DTR DSR RI CTS SIN SOUT 162850 or Equivalent Terminator 1 2W 100 SW2 SW4 SW6 SW8 1 3 4 5 6 2 COM 2PD PCI H is only SW2 to SW...

Страница 25: ...3 3 V PCI bus slot A B Slit for 5 V PCI bus slot Slit for 3 3 V PCI bus slot CAUTION Do not touch the board s metal plated terminals edge connector with your hands Otherwise the board may malfunction...

Страница 26: ...2 install from API PAC W32 instead of from the supplied CD ROM If you install from the CD ROM by mistake uninstall API SIO as described in Uninstalling the Driver Software in Chapter 5 Software The bo...

Страница 27: ...this board is attached Click on the device PCI Serial Port or PCI Simple Communication Controller and open its properties by clicking the Properties button 1 Please search for Devices and Printers ca...

Страница 28: ...the Update Driver button 3 The Driver Installation Wizard is open Click Browse my computer for driver software 4 Specify that folder on the CD ROM which contains the setup information INF file to reg...

Страница 29: ...and install driver software 2 When the Found New Hardware window is displayed insert the accompanying CD ROM COM Setup Disk into the CD ROM drive After a while the device installation process begins...

Страница 30: ...ation then click on the Next button If you are using Windows NT 4 0 the Add New Hardware Wizard is not started Go to Step 3 Initializing the Software 2 Specify that folder on the CD ROM which contains...

Страница 31: ...lation of the Communication Port starts next If prompted for a file by the OS specify the location of the setup information INF file as described above You have now finished installing the hardware Th...

Страница 32: ...2003 2000 On Windows 8 7 Server 2008 Vista XP Server 2003 2000 the COM ports are already assigned by the hardware installation step Run Device Manager as described below if you wish to view or modify...

Страница 33: ...he COM port number 3 Clicking the Advanced button opens the Advanced Settings for COMn window Use the COM Port Number combo box to select the COM port number By selecting the Compulsion Half Duplex th...

Страница 34: ...ster the board type COM port number and related settings Alternatively double click on a board type name that is already displayed on the screen and modify the COM port number and related settings On...

Страница 35: ...d with Windows Serial Communications Diagnostic Program CommChk exe Performs actual communications and indicates whether the results are correct or not error The following describes the procedure for...

Страница 36: ...gs COM Setup Specify the number of the COM port you wish to test If connecting two COM ports via a cross cable specify the respective COM ports in Device1 and Device2 When performing loopback communic...

Страница 37: ...M 4PD PCI H Start test Click the Start button to start the test using the specified conditions View test result The test result is displayed in the Message window A successful completion message appea...

Страница 38: ...er software was installed by mistake Windows 8 7 Server 2008 Vista XP Server 2003 2000 The API SIO software from the Driver library API PAC W32 cannot be installed in the PC at the same time as the St...

Страница 39: ...2 Setup 32 COM 2PD PCI H COM 4PD PCI H...

Страница 40: ...rs on the board Check the information available here when connecting an external device In addition to connecting directly to the connector on the board you can also connect external devices via a dis...

Страница 41: ...terface Connector COM 2PD PCI H TxD1 Transmit Data RTS1 Request to Send RTS1 Request to Send TxD1 Transmit Data CN1 SG1 Signal Ground 1 2 3 4 5 6 7 8 9 Receive Data RxD1 Receive Data RxD1 Clear to Sen...

Страница 42: ...h 250mm Conductor size AWG 28 Connector used 9 pin D SUB male connector Thumb screw UNC 4 40 inch screw Applicable connectors 17JE 13090 02 D8C mfd by DDK Female TxD1 TxD1 RTS1 RTS1 SG1 9 8 7 6 RxD1 R...

Страница 43: ...end TxD1 CH1 Transmit Data RxD1 CH1 Request to Send RTS2 CH2 Request to Send RxD2 CH2 Receive Data TxD2 CH2 Transmit Data SG 2 CH2 Signal Ground RTS4 CH4 Request to Send CTS4 CH4 Clear to Send CTS4 CH...

Страница 44: ...s recommended to improve resistance to noise RTS RxD TxD TxD RxD RTS CTS CTS SG RTS RxD TxD TxD RxD RTS CTS CTS SG External device Figure 3 6 Example Connection RTS and CTS to a External Device in Ful...

Страница 45: ...3 External Connection 38 COM 2PD PCI H COM 4PD PCI H...

Страница 46: ...Manager on Windows 8 7 Server 2008 Vista XP Server 2003 2000 and by the API TOOL configuration on Windows NT Me 98 and 95 The FIFO trigger size specifies the data buffer size and determines the timing...

Страница 47: ...0800 9600bps 48 As the result is an integer this baud rate can be set 460800 128000bps 3 6 As the result contains a fractional part this baud rate cannot be set Clock 1 mode 230400 Desired baud rate D...

Страница 48: ...gister Setup error Baud Rate Generator register Setup error 2 57600 4 28800 57600 5 23040 46080 8 14400 28800 57600 15 7680 15360 30720 61440 50 2304 4608 9216 18432 75 1536 3072 6144 12288 110 1047 0...

Страница 49: ...ucture CAUTION In Visual Basic half duplex communication cannot be used via the communication control MSComm as MSComm does not support setting this function Other Functions Channel Isolation Bus Isol...

Страница 50: ...T Framework SerialPort class Under Linux the software functions as a standard Linux tty driver The standard open close read and write etc routines are supported Refer to the PCI Readmee txt and Linux...

Страница 51: ...Visual C sample programs 1 Transmit sample Sends data entered from the keyboard Execute from the command prompt Source folder Samples Vc Comsend c file 2 Receive sample Displays received data on the...

Страница 52: ...s then click the Add Remove button to automatically start the uninstall procedure Windows 8 7 Server 2008 Vista 1 Open the Control Panel and launch Device Manager from the System applet 2 Expand Multi...

Страница 53: ...indows Vista XP Server 2003 2000 Environment 1 Run SETUP EXE from the API PAC W32 CD ROM or from the file hereafter API PAC W32 downloaded from the Contec s download site to install the API SIO driver...

Страница 54: ...Installation instructions for each OS Samples Various sample programs VB Sample program for Visual Basic VC Sample program for Visual C VB NET Sample program for VisualBasic NET for SerialPortClass V...

Страница 55: ...5 About Software 48 COM 2PD PCI H COM 4PD PCI H...

Страница 56: ...cifications and hardware related supplementary information For detailed technical information For further detailed technical information Technical Reference including the information such as an I O ma...

Страница 57: ...105 68 H 7 Connector used 9 pin D SUB connector DELC J9PAF 20L9 mfd by JAE M male type equivalent Weight 95g 1 These items can be set by software For the API Function Library API PAC W32 and the Stand...

Страница 58: ...68 H Connector used 37 pin D SUB female connector DCLC J37SAF 20L9 mfd by JAE equivalent Weight 95g 1 These items can be set by software For the API Function Library API PAC W32 and the Standard COM...

Страница 59: ...surface of the slot cover 121 69 L 106 68 H mm COM 2PD PCI H No 7195A No 7195B COM 4PD PCI H No 7194A No 7194B 121 69 L 105 68 H mm 121 69 L 106 68 H mm The standard outside dimension L is the distanc...

Страница 60: ...OM 4PD PCI H 53 Circuitry Diagrams TxD RTS SP491 6 2k 6 2k 47k 47k 100 RxD CTS 100 Figure 6 1 Circuitry Diagrams RS 422A 485 in Full Duplex 6 2k 6 2k 47k 47k 100 TxD RxD SP491 Figure 6 2 Circuitry Dia...

Страница 61: ...t 110g 95g Table 6 4 Differences in Hardware Data transmission mode setting swich COM 2PD PCI COM 2PD PCI H The meaning of each switch bit is the same for each model See the data transfer mode setting...

Страница 62: ...saka 555 0025 Japan Japanese http www contec co jp English http www contec com Chinese http www contec com cn No part of this document may be copied or reproduced in any form by any means without prio...

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