Contec COM-1PDH-LPE User Manual

Rs-422a/485 1ch serial i/o board with isolation for pci express low profile
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PC-HELPER
RS-422A/485 1ch Serial I/O Board
with Isolation for PCI Express Low Profile
COM-1PDH-LPE
User's Guide
CONTEC CO., LTD.

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Summary of Contents for Contec COM-1PDH-LPE

  • Page 1 PC-HELPER RS-422A/485 1ch Serial I/O Board with Isolation for PCI Express Low Profile COM-1PDH-LPE User’s Guide CONTEC CO., LTD.
  • Page 2: Check Your Package

    Check Your Package Thank you for purchasing the CONTEC product. The product consists of the items listed 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-1PDH-LPE] …1...
  • Page 3: Copyright

    No part of this document may be copied or reproduced in any form by any means without prior written consent of CONTEC CO., LTD. CONTEC CO., LTD. makes no commitment to update or keep current the information contained in this document. The information in this document is subject to change without notice.
  • Page 4: Table Of Contents

    Plugging the Board ..........................15 Step 2 Installing the Hardware ......................... 16 Turning on the PC ..........................16 Windows 8, 7............................17 The check method of the completion of hardware installation ............19 Step 3 Initializing the Software ........................ 20 COM-1PDH-LPE...
  • Page 5 Bus Isolation ............................31 Surge Protection ..........................31 ABOUT SOFTWARE About Sample programs ........................... 33 Uninstalling the driver software....................... 35 How to uninstall ..........................35 CD-ROM Directory Structure ........................36 ABOUT HARDWARE For detailed technical information ......................37 Hardware specification ..........................38 COM-1PDH-LPE...
  • Page 6: Before Using The Product

    - Equipped with 2- piece terminal The transmission line connection terminal that is linked to calbles can be connected or disconnected to the board simultaneously. With tightened screws that prevent the terminal coming off, you can safely use the boards without unnecessary troubles. COM-1PDH-LPE...
  • Page 7 FIFO trigger size, you can build an optimum system according to your use. - Support for Low Profile size slot / standard size slot Bundled with each bracket for Low Profile size slot / standard size slot. Exchanges it for the standard size bracket when mounting on the standard size slot. COM-1PDH-LPE...
  • Page 8: Support Software

    Standard COM Driver Software COM Setup Disk (Bundled) The purpose of this software is to allow the CONTEC serial communication boards to be used under Windows in the same way as the standard COM ports on the PC. By installing additional boards, you can use COM ports in the range COM1 - COM256.
  • Page 9: Customer Support

    You can download updated driver software and differential files as well as sample programs available in several languages. Note! For product information Contact your retailer if you have any technical question about a CONTEC product or need its price, delivery time, or estimate information. Limited Three-Year Warranty CONTEC Interface boards are warranted by CONTEC CO., LTD.
  • Page 10: Safety Precautions

    WARNING indicates a potentially hazardous situation which, if not avoided, could WARNING result in death or serious injury. CAUTION indicates a potentially hazardous situation which, if not avoided, may CAUTION result in minor or moderate injury or in property damage. COM-1PDH-LPE...
  • Page 11: Handling Precautions

    Even when using the product continuously, be sure to read the manual and understand the contents. Do not modify the product. CONTEC will bear no responsibility for any problems, etc., resulting from modifying this product. Regardless of the foregoing statements, CONTEC is not liable for any damages whatsoever (including damages for loss of business profits) arising out of the use or inability to use this CONTEC product or the information contained herein.
  • Page 12 (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. EN55032 Class A Notice Warning: Operation of this equipment in a residential environment could cause radio interference. COM-1PDH-LPE...
  • Page 13: Environment

    (3) Store the package at room temperature at a place free from direct sunlight, moisture, shock, vibration, magnetism, and static electricity Disposal When disposing of the product, follow the disposal procedures stipulated under the relevant laws and municipal ordinances. COM-1PDH-LPE...
  • Page 14: Setup

    Using the Board under an OS Other than Windows For using the board under an OS other than Windows, see the following parts of this user’s guide. This chapter Step 1 Setting the Hardware Chapter 4 External Connection Chapter 6 About Hardware COM-1PDH-LPE...
  • Page 15: Step 1 Setting The Hardware

    The replacing method is as follows: Standard size bracket - Remove the screws and replace with the standard size bracket. Low Profile size bracket Use a Phillips screwdriver to screw or unscre w. Figure 2.1. Replacing the Bracket COM-1PDH-LPE...
  • Page 16: Parts Of The Board And Factory Defaults

    - Interface connector (CN1) - Board ID setting SW (SW1) BOARD ID COM-1PDH-LPE BOARD ID Figure 2.2. Component Locations Setting the Board ID If you install two or more boards on one personal computer, assign a different ID value to each of the boards to distinguish them.
  • Page 17: Setting Transmission Mode

    Communication is available modem control register. without wiring of RTS and CTS. LED Indicator Table 2.2. LED Indicator Operation Meaning Flashing When receiving RS-422A/485 RxD(Green) When not receiving RS-422A/485 Flashing When transmitting RS-422A/485 TxD(Green) When not transmitting RS-422A/485 COM-1PDH-LPE...
  • Page 18: Setting Of Terminator

    Figure 2.4. B or C (Other than both terminators of the line) - Half-duplex Terminator [A or D] Terminator (Bit 9) (Bit 9) Inserted Not inserted TERM MODE TERM MODE [B or C] Not inserted TERM MODE Figure 2.4. Multi Drop Connection COM-1PDH-LPE...
  • Page 19 The figure below shows the circuit associated with the data transfer mode setting switch and terminator setting switch. 162850 or equivalent to it TxD+ SOUT TxD- RxD+ RxD- Terminator 1/2W 100Ω Terminator Data transfer mode Figure 2.6. Setting Switch Circuits COM-1PDH-LPE...
  • Page 20: Plugging The Board

    Doing so could cause trouble. Be sure that the personal computer or the I/O expansion unit power is turned off. Make sure that your PC or expansion unit can supply ample power to all the boards installed. Insufficiently energized boards could malfunction, overheat, or cause a failure. COM-1PDH-LPE...
  • Page 21: Step 2 Installing The Hardware

    If you remove two or more boards that have already been installed and then remount one of them on the computer, it is unknown that which one of the sets of resources previously assigned to the two boards is assigned to the remounted board. In this case, you must check the resource settings. COM-1PDH-LPE...
  • Page 22: Windows 8, 7

    [Properties] button. *1 Please search for “Devices and Printers” case of Windows 8. * The category of the board you have just added is displayed. - PCI Serial Port (or “PCI Simple Communication Controller”) COM-1PDH-LPE...
  • Page 23 (3) The Driver Installation Wizard is open. Click “Browse my computer for driver software”. (4) Specify that folder on bundled disk which contains the setup information (INF) file to register the board. - Source folder \PCI \ComDrv You have now finished installing the hardware. COM-1PDH-LPE...
  • Page 24: The Check Method Of The Completion Of Hardware Installation

    (1) Select "System" from "Control Panel" and open [Device Manager]. (2) Check that the names of the boards you are using are registered correctly in the [Multifunction adapters] folder. (3) Similarly, confirm that the COM ports have been added in the [Ports] folder. COM-1PDH-LPE...
  • Page 25: Step 3 Initializing The Software

    Start Device Manager (1) Select "System" from "Control Panel" and start [Device Manager]. * The name of the board you have just added is displayed. - COM-1PDH-LPE Check that the new COM ports are displayed in the [Ports] folder. COM-1PDH-LPE...
  • Page 26 For Windows 2000 and later operating systems, COM ports that are determined by the operating system to not be in use are assigned. The COM ports are not assigned by the CONTEC device driver. Therefore, they may not be assigned starting from CH1 depending on your environment. In this situation, follow the procedure shown below to determine the CH number, and then use the procedure under [Updating the Settings] above to reassign the COM port numbers.
  • Page 27 2. Setup Double-click each COM port of the CONTEC product assigned under [Ports], click the [Resources] tab, and then check the [I/O Range]. Table 2.4. shows an example in which the four channels of the serial board have been assigned in order.
  • Page 28: Step 4 Checking Operations With The Diagnosis Program

    See the figure below for the switch settings. Switch setting SW setting SW setting for using loopback for using a cross cable communications (without a cross cable) TERM MODE TERM MODE COM-1PDH-LPE...
  • Page 29: Using The Diagnosis Program

    [Device1] and [Device2]. When performing loopback communications on a single COM port, set the same port number in both [Device 1] and [Device 2]. Communication Settings: Specify the [Bits / Second], [Data bits] and other settings you wish to use. COM-1PDH-LPE...
  • Page 30: Setup Troubleshooting

    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 appears if the test completed OK. Setup Troubleshooting If your problem cannot be resolved Contact your retailer. COM-1PDH-LPE...
  • Page 31 2. Setup COM-1PDH-LPE...
  • Page 32: External Connection

    [PHOENIX CONTACT] or equivalent RxD- - Applicable wire AWG28-16 Figure 3.1. Interface Connector Table 3.1. Interface connector signal layout Signal Name Meaning TxD+ Transmission data (+) TxD- Transmission data (-) RxD+ Reception data (+) RxD- Reception data (-) Signal ground COM-1PDH-LPE...
  • Page 33: Types Of Cable And Example Connections

    Figure 3.2. Example Connection Oneself loop to RTS and CTS in Full Duplex TxD+ TxD+ TxD- TxD- External device Figure 3.3. Example Connection in Half Duplex CAUTION If connecting between external devices and this board with faulty wiring, it will become the cause of failure. COM-1PDH-LPE...
  • Page 34: Functions

    Alternatively, setting a small FIFO trigger size or disabling FIFO operation increases the speed of data sending and receiving but increases the load on the CPU and risks received data being missed. As the FIFO buffer size is variable, you can adjust this setting to achieve optimum performance for your system. COM-1PDH-LPE...
  • Page 35: Setting The Baud Rate

    MSComm functionalities limits the rate to 115,200bps maximum. For setting the baud rate higher than 115,200bps using Visual Basic, refer to the VB sample program included in the accompanying CD-ROM “Standard COM Driver Software COM Setup Disk”. COM-1PDH-LPE...
  • Page 36: Automatic Rts Control Functions

    PC. Surge Protection As surge protection is provided on all RS-422A/485 control lines, you can safely use the boards in environments where you are concerned about surges causing incorrect operation or damage to the PC. COM-1PDH-LPE...
  • Page 37 4. Functions COM-1PDH-LPE...
  • Page 38: About Software

    Sends data entered from the keyboard and displays received data on the screen. Source folder: \Samples\VB.NET folder Visual C# 2005 sample programs (1) Transmit/Receive sample Sends data entered from the keyboard and displays received data on the screen. Source folder: \Samples \VCS folder COM-1PDH-LPE...
  • Page 39 5. About Software 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 screen. Source folder: \Samples \Vc\Comread.c file COM-1PDH-LPE...
  • Page 40: Uninstalling The Driver Software

    How to uninstall (1) Open the Control Panel and launch Device Manager from the [System] applet. (2) Expand [Multifunction adapters] and delete [CONTEC Co., Ltd-XXXXXXXXXX] (installed hardware name). To also delete all the driver files, check [Remove this device software].
  • Page 41: Cd-Rom Directory Structure

    Sample program for VisualBasic.NET (for SerialPortClass) |– VCS Sample program for VisualC.NET (for SerialPortClass) |– USB USB related files |– UsersGuide Manual of hardware (PDF) |– UTILITY Various utilities |– CommChk Self diagnostic program (Loopback communication test) |– CTstCom Self diagnostic program (Terminal utility) COM-1PDH-LPE...
  • Page 42: About Hardware

    This chapter provides hardware specifications and hardware-related supplementary information. For detailed technical information For further detailed technical information (“Technical Reference” including the information such as an I/O map, configuration register, etc.), visit the Contec's web site to call for it. COM-1PDH-LPE...
  • Page 43: Hardware Specification

    Communication cable: 28AWG, double shielded cable, twisted pairs used for each +/- signal line. The table below lists the maximum communication distances of the terminator resistor value and individual cable diameters. The terminators on the product (100Ω) and the terminators generally used with RS-422A/485(120Ω) are listed. COM-1PDH-LPE...
  • Page 44 Maximum Communication Terminator Resistor(Ω) Cable Diameter Distance (m) AWG28 AWG26 AWG24 1200 AWG22 1200 Board Dimensions 121.69(L) [mm] The standard outside dimension (L) is the distance from the end of the board to the outer surface of the slot cover. COM-1PDH-LPE...
  • Page 45 CONTEC CO., LTD. September 2018 Edition 3-9-31, Himesato, Nishiyodogawa-ku, Osaka 555-0025, Japan https://www.contec.com/ No part of this document may be copied or reproduced in any form by any means without prior written consent of CONTEC CO., LTD. [09282018] [08242017] Management No. NA05873 [09282018_rev3] Parts No.

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