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.
COM-2PD(PCI)H, COM-4PD(PCI)H
i
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-2PD(PCI)H or COM-4PD(PCI)H]
- First step guide … 1
- COM Setup Disk *1 (CD-ROM) …1
*1 The CD-ROM contains the driver software and User’s Guide (this guide)
Board
CD
First step guide
ii
COM-2PD(PCI)H, COM-4PD(PCI)H
Copyright
Copyright 2013 CONTEC CO., LTD. ALL RIGHTS RESERVED
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.
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 CONTEC CO., LTD.
Regardless of the foregoing statement, CONTEC assumes no responsibility for any errors that may
appear in this document nor for results obtained by the user as a result of using this product.
Trademarks
MS, Microsoft, Windows and Windows NT are trademarks of Microsoft Corporation. Other brand and
product names are trademarks of their respective holder.
COM-2PD(PCI)H, COM-4PD(PCI)H
iii
Table of Contents
Check Your Package............................................................................................................................i
Copyright............................................................................................................................................ii
Trademarks .........................................................................................................................................ii
Table of Contents ..............................................................................................................................iii
1. BEFORE USING THE PRODUCT 1
About the Board.................................................................................................................................. 1
Features........................................................................................................................................1
Support Software......................................................................................................................... 2
Cable & Connector (Option) ...................................................................................................... 3
Customer Support............................................................................................................................... 4
Web Site....................................................................................................................................... 4
Limited Three-Years Warranty .......................................................................................................... 4
How to Obtain Service .......................................................................................................................4
Liability .............................................................................................................................................. 4
Safety Precautions .............................................................................................................................. 5
Safety Information....................................................................................................................... 5
Handling Precautions................................................................................................................... 6
Environment ................................................................................................................................ 7
Inspection..................................................................................................................................... 7
Storage......................................................................................................................................... 7
Disposal .......................................................................................................................................7
2. SETUP 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 Linux Using the Standard COM Driver Software COM Setup Disk..10
Operating Systems Other than Windows or Linux ................................................................... 10
Step 1 Setting the Hardware............................................................................................................. 11
Parts of the Board and Factory Defaults ................................................................................... 11
Setting the Board ID.................................................................................................................. 13
Setting Transmission Mode....................................................................................................... 14
Setting of Terminator ................................................................................................................ 15
Plugging the Board.................................................................................................................... 18
Step 2 Installing the Hardware......................................................................................................... 19
Turning on the PC...................................................................................................................... 19
Windows 8, 7............................................................................................................................. 20
Windows Server 2008, Windows Vista .................................................................................... 22
Windows Server 2003, Windows XP, Windows 2000 ............................................................. 23
iv
COM-2PD(PCI)H, COM-4PD(PCI)H
The check method of the completion of hardware installation.................................................24
Step 3 Initializing the Software........................................................................................................25
For use under Windows 8, 7, Server 2008, Vista, XP, Server 2003, 2000............................... 25
For use under Windows NT, Me, 98 or 95................................................................................ 27
Step 4 Checking Operations with the Diagnosis Program...............................................................28
What is the Diagnosis Program? ...............................................................................................28
Check Method............................................................................................................................ 28
Using the Diagnosis Program....................................................................................................29
Setup Troubleshooting...................................................................................................................... 31
Symptoms and Actions..............................................................................................................31
If your problem cannot be resolved........................................................................................... 31
3. EXTERNAL CONNECTION 33
In the case of COM-2PD(PCI)H ......................................................................................................34
Connecting directly 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 Connections....................................................................................... 37
4. FUNCTIONS 39
Communication Function .................................................................................................................39
Serial Data Transmission...........................................................................................................39
RS-422A/485 Control Lines......................................................................................................39
Send and Receive Data Buffers.................................................................................................39
Setting the Baud Rate ................................................................................................................ 40
Automatic RTS Control Functions............................................................................................42
Other Functions ................................................................................................................................42
Channel Isolation/Bus Isolation ................................................................................................42
Surge Protection......................................................................................................................... 42
5. ABOUT SOFTWARE 43
About Sample programs...................................................................................................................43
Uninstalling the driver software....................................................................................................... 45
Windows XP, Server 2003, 2000 ..............................................................................................45
Windows 8, 7, Server 2008, Vista.............................................................................................45
Windows Me, 98, 95..................................................................................................................45
Windows NT..............................................................................................................................46
CD-ROM Directory Structure .......................................................................................................... 47
6. ABOUT HARDWARE 49
For detailed technical information ...................................................................................................49
COM-2PD(PCI)H, COM-4PD(PCI)H
v
Hardware specification..................................................................................................................... 50
Circuitry Diagrams ........................................................................................................................... 53
Differences from COM-2PD(PCI) ................................................................................................... 54
vi
COM-2PD(PCI)H, COM-4PD(PCI)H
1. Before Using the Product
COM-2PD(PCI)H, COM-4PD(PCI)H
1
1.
Before Using the Product
This chapter provides information you should know before using the product.
About the Board
This product is a PCI bus-supported board designed for extending RS-422A/485 compatible serial
communication functionality on your PC.
The < COM-2PD(PCI)H > has two RS-422A/485 communication ports.
The < COM-4PD(PCI)H > has four RS-422A/485 communication ports.
Higher noise-resistant models with isolation between a PC and bus line as well as a surge protection
circuit for communication ports. With a 128byte built-in FIFO buffer for transmission and reception of
each channel, the product supports a baud rate of up to 921,600bps. It also comes with a Windows/Linux
driver, which allows boards to be used as OS-standard COM ports.
This product supports CONTEC-defined driver library “API-PAC(W32)” that provide local routines.
The COM-2PD/4PD(PCI)H boards are backward compatible with the CONTEC COM-2PD/4PD(PCI)
boards. The COM-xPD(PCI)H can therefore replace the COM-xPD(PCI) in an existing system.
Features
- Max. 921,600bps RS-422A/485 Serial Communication
The < COM-2PD(PCI)H > has two RS-422A/485-standard serial ports.
The < COM-4PD(PCI)H > has 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 can be set.
- Possibly used as Windows, Linux-standard COM ports, using the bundled driver library
Comes with a driver software that allows the products to be used under Windows / Linux in the same
way as COM ports on the PC. Under Windows, the product supports the OS-standard Win32 API
communication function as well as Visual Basic MSComm. Under Linux, OS-standard tty driver’s
standard-function can be used. In addition, supplies a diagnostic program to confirm hardware operation
and to perform a communication test with equipment.
- Isolation between channels and between PCs, surge protection for all signal lines
The channels are electrically isolated from each other and from the PC.
As isolation is provided between channels as well as isolation of the bus, this prevents electrical noise
between channels as well as between the PC and external circuits. As surge protection is provided on all
signal lines, you can safely use the boards in environments where you are concerned about surges
causing incorrect operation or damage to the PC.
- Max. 16 boards can be installed as configured in the range COM1 - COM256.
Up to 16 boards can be mounted on a single PC.
COM1 - COM256 can be set using the device manager.
1. Before Using the Product
2
COM-2PD(PCI)H, COM-4PD(PCI)H
- Each channel is equipped with separate 128-byte FIFO buffers for transmit and receive.
Employed a buffer memory 128-byte dedicated to transmission and 128-byte for each channel.
These are FIFO format, useful for high speed communications and to reduce the load to the CPU when
transmitting/receiving.
As the device manager can be used to enable/disable the use of FIFO and set the FIFO trigger size, you
can build an optimum system according to your use.
- To suit your application, cables and connectors are available as optional.
COM-2PD(PCI)H :9-pin D-SUB connectors (male or female type) for your own cables are available as
optional.
COM-4PD(PCI)H :Distribution cable for 4channels and 37-pin D-SUB connectors (male type) for your
own cables are available as optional.
- The control line for RS-422A/485 can be controlled and monitored by software.
The control lines for RTS+, RTS-, CTS+ and CTS- can be controlled and monitored using software.
- Driver library API-PAC(W32) is supported.
API-PAC(W32) is library software based on Win32 API routines (DLL), which provides local routines
specific to CONTEC. You can create high-speed application software taking advantage of the CONTEC
hardware using various programming languages that 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 Software
COM Setup Disk
(Bundled)
The purpose of this software is to allow the CONTEC serial communication boards to be used under Windows or Linux
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.
The boards can be used for all types of serial communications such as for remote access service (RAS) and
uninterruptible power supply (UPS) applications.
Under Windows, the serial ports can be accessed using the standard Win32 API communication routines (CreateFile( ),
WriteFile( ), ReadFile( ), and SetCommState( ), etc.) The serial ports are also compatible with the Visual Basic
communication control (MSComm). Supports the communication class of .NET Framework 2.0 (SerialPort class).
Under Linux, the serial ports are compatible with the operating system's standard tty driver. The standard routines
including open( ), close( ), read( ), write( ) are supported.
< Operating environment >
OS Windows 8, 7, Vista, XP, NT, Me, 98, Linux etc.
You can download the updated version from the CONTEC’s Web site (http://www.contec.com/comdrv/). For more
details on the supported OS, applicable language and new information, please visit the CONTEC’s Web site.
CAUTION
The maximum number of COM ports able to be used depends on the configuration of your OS.
1. Before Using the Product
COM-2PD(PCI)H, COM-4PD(PCI)H
3
Driver library
API-PAC(W32)
(Available for downloading (free of charge) from the CONTEC web
site.)
API-PAC(W32) is the library software that provides the commands for CONTEC hardware products in the form of
Windows standard Win32 API functions (DLL). It makes it easy to create high-speed application software taking
advantage of the CONTEC hardware using various programming languages that support Win32 API functions, such as
Visual Basic and Visual C/C++.
For more 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++ Builder
CAUTION
This library provides local routines that are specific to CONTEC (SioOpen( ), SioWrite( ), SioRead( ), SioStatus( ),
etc.). These are not compatible with the standard Win32 API communication routines (CreateFile( ) and
WriteFile( ), etc.).
Cable & Connector (Option)
Connection Conversion Cable (37M
→
9M x 4, 250mm) : PCE37/9PS
Set of five 9-pin D-SUB (male) connectors : CN5-D9M
Set of five 9-pin D-SUB (female) connectors : CN5-D9F
Set of five 37-pin D-SUB (male) connectors : CN5-D37M
* Check the CONTEC’s Web site for more information on these options.
1. Before Using the Product
4
COM-2PD(PCI)H, COM-4PD(PCI)H
Customer Support
CONTEC provides the following support services for you to use CONTEC products more efficiently and
comfortably.
Web Site
Japanese http://www.contec.co.jp/
English http://www.contec.com/
Chinese http://www.contec.com.cn/
Latest product information
CONTEC provides up-to-date information on products.
CONTEC also provides product manuals and various technical documents in the PDF.
Free download
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-Years Warranty
CONTEC Interface boards are warranted by CONTEC Co., LTD. to be free from defects in material and
workmanship for up to three years from the date of purchase by the original purchaser.
Repair will be free of charge only when this 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 warranty is not applicable for scratches or normal wear, but only for the electronic circuitry and
original boards. The warranty is not applicable if the device has been tampered with or damaged through
abuse, mistreatment, neglect, or unreasonable use, or if the original invoice is not included, in which case
repairs will be considered beyond the warranty policy.
How to Obtain Service
For replacement or repair, return the device freight prepaid, with a copy of the original invoice. Please
obtain a Return Merchandise Authorization Number (RMA) from the CONTEC group office where you
purchased before returning any product.
* No product will be accepted by CONTEC group without the RMA number.
Liability
The obligation of the warrantor is solely to repair or replace the product. In no event will the warrantor
be liable for any incidental or consequential damages due to such defect or consequences that arise from
Safety Precautions
Understand the following definitions and precautions to use the product safely.
1. Before Using the Product
COM-2PD(PCI)H, COM-4PD(PCI)H
5
Safety Precautions
Understand the following definitions and precautions to use the product safely.
Safety Information
This document provides safety information using the following symbols to prevent accidents resulting in
injury or death and 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
result in death or serious injury.
WARNING
WARNING indicates a potentially hazardous situation which, if not avoided, could
result in death or serious injury.
CAUTION
CAUTION indicates a potentially hazardous situation which, if not avoided, may
result in minor or moderate injury or in property damage.
1. Before Using the Product
6
COM-2PD(PCI)H, COM-4PD(PCI)H
Handling Precautions
DANGER
Do not use the product where it is exposed to flammable or corrosive gas. Doing so may result in an
explosion, fire, electric shock, or failure.
CAUTION
- There are switches on the board that need to be set in advance. Be sure to check these before
installing the board.
- Only set the switches and jumpers on the board to the specified settings.
Otherwise, the board may malfunction, overheat, or cause a failure.
- Do not strike or bend the board. Doing so could damage the board.
Otherwise, the board may malfunction, overheat, cause a failure or breakage.
- Do not touch the board's metal plated terminals (edge connector) with your hands.
Otherwise, the board may malfunction, overheat, or cause a failure.
If the terminals are touched by someone's hands, clean the terminals 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 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.
-
The specifications of this product are subject to change without notice for enhancement and quality
improvement.
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.
1. Before Using the Product
COM-2PD(PCI)H, COM-4PD(PCI)H
7
Environment
Use this product in the following environment. If used in an unauthorized environment, the board may
overheat, malfunction, or cause a failure.
Operating temperature
0 - 50
º
C
Humidity
10 - 90%RH (No condensation)
Corrosive gases
None
Floating dust particles
Not to be excessive
Inspection
Inspect the product periodically as follows to use it safely.
- The gold-plated leads 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.
Storage
When storing this product, keep it in its original packing form.
(1) Put the board in the storage bag.
(2) Wrap it in the packing material, then put it in the box.
(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.
1. Before Using the Product
8
COM-2PD(PCI)H, COM-4PD(PCI)H
2. Setup
COM-2PD(PCI)H, COM-4PD(PCI)H
9
2.
Setup
This chapter explains how to set up the board.
What is Setup?
Setup means a series of steps to take before the product can be used.
Different steps are required for software and hardware
The setup procedure varies with the OS and applications used.
Using the Board under Windows
Using the Standard COM Driver Software COM Setup Disk
This section describes the setup procedure to be performed before you can start developing application
programs for the board using the bundled CD-ROM “Standard COM Driver Software -
COM Setup Disk”.
Taking the following steps sets up the software and hardware. You can 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, refer to the \PCI\Readmee.txt file and the installation instructions files for each OS
located in the \PCI\InstDoc.
If Setup fails to be performed normally, see the “Setup Troubleshooting” section at the end of this
chapter.
Using the Board under Windows
Using the Driver library API-PAC(W32)
Refer to the API-PAC(W32) "Hardware Installation Procedure (HWINST.CHM)" help file for the
procedure to follow when using API-SIO in the " Driver library API-PAC(W32)".
If using API-SIO from API-PAC(W32), install from API-PAC(W32) instead of from the supplied
CD-ROM.
See also the following parts of this manual as required.
This chapter Step 1 Setting the Hardware
2. Setup
10
COM-2PD(PCI)H, COM-4PD(PCI)H
Using the Board under Linux
Using the Standard COM Driver Software COM Setup Disk
You can perform application program development using the "Standard COM Driver Software -
COM 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 the Hardware
Operating Systems Other than Windows or Linux
Refer to the following if using on an OS other than Windows or Linux.
This chapter Step 1 Setting the Hardware
Chapter 3 Functions
Chapter 6 About Hardware
2. Setup
COM-2PD(PCI)H, COM-4PD(PCI)H
11
Step 1 Setting the Hardware
This section describes how to set the board and plug it on your PC.
The board has some switches and jumper to be preset.
Check the on-board switches and jumpers before plugging the board into an expansion slot.
The board can be set up even with the factory defaults untouched. You can change 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-2PD(PCI)H
COM-2PD(PCI)H
- Interface connector
(CN1, CN2)
SW1
BOARD ID
- Terminator
setting swich
(SW2, SW4)
SW2
ON
1
3
2 4
SW4
ON
1
3
2 4
- Data transmission
mode setting swich
(SW3, SW5)
SW3SW5
ON
1
3
2 4 56
ON
1
3
2 4 56
SW2
SW4
SW3SW5
CN1
CN2
SW1
BOARD ID
0
1
2
3
4
5
6
7
9
A
B
C
D
E
F
8
Board ID setting switch
(SW1)
Figure 2.1. Component Locations < COM-2PD(PCI)H >
2. Setup
12
COM-2PD(PCI)H, COM-4PD(PCI)H
COM-4PD(PCI)H
COM-4PD(PCI)H
- Interface connector
(CN1)
SW1
BOARD ID
- Terminator
setting swich
(SW2, SW4, SW6, SW8)
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)
SW3SW5SW7SW9
ON
1
3
2 4 56
ON
1
3
2 4 56
ON
1
3
2 4 56
ON
1
3
2 4 56
SW2
SW4
SW6
SW8
SW3SW5SW7SW9
CN1
SW1
BOARD ID
0
1
2
3
4
5
6
7
9
A
B
C
D
E
F
8
Board ID setting switch
(SW1)
Figure 2.2. Component Locations < COM-4PD(PCI)H >
2. Setup
COM-2PD(PCI)H, COM-4PD(PCI)H
13
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.
The board IDs can be set from 0 - Fh to identify up to sixteen boards.
If only 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
below.
BOARD ID
(Board ID = 0)
Factory setting:
SW1
0
1
2
3
4
5
6
7
9
A
B
C
D
E
F
8
Figure 2.3. Board ID Settings (SW1)
CAUTION
The PC detects the COM-2PD(PCI)H and COM-2PD(PCI) boards as the same board. If using both
boards on the same PC, set different board IDs on each board.
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