Moxa Technologies Industio C114HI User Manual

Industio C114HI User’s Manual

Industrial 3 in 1 RS-232/422/485 Serial Board

Apr. 1999 (3rd Edition)

The content of this manual is also available in CD-ROM and at Moxa Web Site.

Moxa Technologies Co., Ltd.

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Industio C114HI User’s Manual

The product described in this manual is furnished under a license agreement and may be used only in

accordance with the terms of the agreements.

Copyright Notice

Copyright  1999 Moxa Technologies Co., Ltd.

All rights reserved.

Reproduction in any form without permission is prohibited.

Trademarks

MOXA is a registered trademark of Moxa Technologies Co., Ltd.

All other trademarks or registered marks in this manual belong to their respective manufacturers.

Disclaimer

Information in this document is subject to change without notice and does not represent a commitment on
the part of Moxa.

Moxa provides this document “as is”, without warranty of any kind, either expressed or implied,
including, but not limited to, the particular purpose. Moxa may make improvements and/or changes in
this manual or in the product(s) and/or the program(s) described in this manual at any time.

Information provided in this manual is intended to be accurate and reliable. However, Moxa
Technologies assumes no responsibility for its use, or for any infringements of rights of the fourth parties
which may result from its use.

This product could include technical or typographical errors. Changes are periodically made to the
information herein; these changes may be incorporated in new editions of the publication.

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Customer’s satisfaction is always our number one concern. To ensure that customers get the full benefit
of our services, Moxa Internet Services have been built for technical support, product inquiry, new driver
update, user’s manual update, etc.

The followings are the services we provide.

E-mail for technical support

addres

s: [e-mail]

FTP site for free driver update

address:

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World Wide Web (WWW) Site for product info

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About This Manual

This manual is composed of nine chapters and four appendixes. This manual is written for installer,
system administrator and software programmer.

If you are a first-time installer and system administrator, we recommend you to go through the whole
manual except Chapter 9.

If you are a software programmer, you may refer to chapter, “

PComm” and “RS-232/422/485

programming”

If you need cable wiring information, please see Appendix A, “Pinouts and Cable Wiring”.

If you encounter any problem during installation, please refer to Appendix C, “Troubleshooting”.

Chapter 1 Introduction

Overview and features for the Industio C114HI are described. Also check list and overall installation
guide.

Chapter 2 Hardware Installation and IO-IRQ

Hardware installation for the Industio C114HI is detailed.

Chapter 3 Software Installation

Software installation for the compatible operating systems: SCO UNIX/XENIX and OS2.

Chapter 4 For Windows NT Users

Software installation, configuration, driver loading/unloading, driver update and removal for
Windows NT system.

Chapter 5 For Windows 95/98 Users

Software installation, configuration, driver loading/unloading, driver update and removal for
Windows 95/98 Windows.

Chapter 6 PComm

Roughly describing the programming tools "PComm" for Windows NT/95/98.

Chapter 7 For DOS Users

Software installation, configuration, driver loading/unloading, driver update and removal for DOS .

Chapter 8 For Windows 3.X Users

Software installation, configuration, driver loading/unloading, driver update and removal
configuration, driver loading/unloading, driver update and removal for Windows 3.x.

Chapter 9 RS-232/422/485 Programming

Roughly describing the RS-232/422/485 Programming.

Appendix

Pinouts and cable wiring , High Speed Operations, Troubleshooting and I/O port Address Map.

Table Of Contents

Introduction ...............................................................................................1-1

Features.............................................................................................................1-2

Specifications.....................................................................................................1-2

Check List..........................................................................................................1-3

Installation Guide...............................................................................................1-3

Hardware Installation and IO-IRQ ...................................................2-1

IO-IRQ Configuration Utility................................................................................2-1

Jumper Settings for Interface.............................................................................2-3

C114HI Board Installation..................................................................................2-5

Software Installation.............................................................................3-1

Windows NT/95/98, DOS/Windows 3.x .............................................................3-1

SCO UNIX/XENIX..............................................................................................3-1

OS/2...................................................................................................................3-3

For Windows NT Users .........................................................................4-1

Driver Installation...............................................................................................4-1

Board and Port Configuration ............................................................................4-2

Board Initialization Status Checking...................................................................4-3

Updating/Removing Driver.................................................................................4-4

Baud Rate Settings............................................................................................4-4

MOXA Serial Comm Tool:

PComm .......................................................................4-4

Troubleshooting.................................................................................................4-4

For Windows 95/98 Users ....................................................................5-1

Driver Installation - Setup95.exe........................................................................5-1

Board and Port Configuration ............................................................................5-3

Board Initialization Status Checking...................................................................5-3

Updating/Removing Driver.................................................................................5-4

Updating Driver................................................................ .....................................5-4

Removing Driver................................ ...................................................................5-4

Baud Rate Settings............................................................................................5-4

MOXA Serial Comm Tool:

PComm .......................................................................5-4

Troubleshooting.................................................................................................5-5

PComm ..............................................................................................................6-1

Installation..........................................................................................................6-1

Programming Library..........................................................................................6-1

Utilities...............................................................................................................6-2

For DOS Users ..........................................................................................7-1

Driver Installation, Setup, Loading and Unloading.............................................7-1

MOXA Serial Port Naming Convention ..............................................................7-4

Baud Rate Settings............................................................................................7-4

DOS API-232 Library and Programming............................................................7-4

Data Scope........................................................................................................7-5

For Windows 3.x Users.........................................................................8-1

Installation..........................................................................................................8-1

Configuration .....................................................................................................8-1

Driver Removal..................................................................................................8-2

Baud Rate Settings............................................................................................8-2

Utility..................................................................................................................8-3

Windows 3.x COMM API Programming .............................................................8-3

Existing Applications..........................................................................................8-3

RS-232/422/485 Programming............................................................9-1

RS-232 Programming ........................................................................................9-1

RS-422 Programming ........................................................................................9-1

RS-485 Programming ........................................................................................9-1

Appendix A Pinouts and Cable Wiring .......................................... A-1

RS-232.............................................................................................................. A-1

RS-422.............................................................................................................. A-4

RS-485.............................................................................................................. A-5

Impedance Matching and Termination Resistors.............................................. A-6

Pinouts of DB-37 Connector ............................................................................. A-8

Appendix B High Speed Operations............................................... B-1

Appendix C Troubleshooting............................................................. C-1

Appendix D I/O Port Address Map................................................... D-1

1 Industio C114HI User's Manual 1-1

1

1

1 Introduction

The Smart 3 in 1 Multiport Async Solutions

The C114HI is a RS-232/RS-422/RS-485 4-port serial communication interface
board. Each port can be configured to RS-232, RS-422 or RS-485 individually. It is
designed for the system manufacturers, integrators or VARs that want to provide all
high performance, reliability and quality multiple port data communication system.

The C114HI provides a low cost, high performance solution for connecting up to 4
devices such as terminals, modems and printers to PC-based host computer. It
belongs to the C104 family and features high speed and isolation protection.

The C114HI is so flexible in configuration that they are compatible with virtually all
kinds of other manufacturer's 4 port non-intelligent boards using 16C550C UART.

Operating System Support

The family is operational under most popular operating systems such as Windows
NT, Windows 95/98, SCO UNIX/XENIX/OpenServer, DOS, Windows 3.x, OS/2,
Linux, QNX, FreeBSD, MUMPS, PICK OS, IMS Multiuser DOS, etc. However,
MOXA device drivers for Windows NT, Windows 95/98, DOS, Windows 3.x and
Linux are provided for better installation, configuration and performance. In this
manual, chapters for MOXA

Windows NT, Windows 95/98, DOS and Windows

3.x

device drivers are included. For other compatible systems not mentioned, please
refer to the respective operating system’s manual for how to install and configure
the standard driver.

MOXA Serial Comm Tool

For easy application development, MOXA provides an easy-use serial
communication library under Windows NT/95/98 (

PComm) and Windows 3.x/DOS

1-2 Industio C114HI User's Manual

(API-232). Users can use this library to develop your own applications using
Microsoft C, Turbo C, Assembly, QuickBASIC, Turbo Pascal, Clipper, Visual Basic,
Visual C++, Borland Delphi, etc.

Utilities, such as diagnostic and monitor, are

included for diagnosing the board/port or monitoring the communication status.

Features

The C114HI 4 port RS-232/422/485 board provides the following advanced
features:

u 16 bit AT bus architecture, more IRQs supported
u ASIC-designed, easily configured by software ( IO-IRQ/DOS )
u Independent I/O address and IRQ settings for each of 4 serial ports

u 4 high speed, up to 921.6K bps, 16C550C UARTs with on-chip hardware flow

control, no data loss ( 16C550C compatible )

u Compatible with PC standard ports: COM1 ~ COM4
u Supports isolation protection for RS-422/RS-485
u Supports 2-wire or 4-wire RS-485 operation modes
u Supports RS-485 auto data direction switching feature
u Supports Windows NT/95/98, DOS and Windows 3.x device drivers
u Compatible with most popular Operating Systems

Specifications

u Bus interface: ISA(EISA compatible)
u Number of ports: 4
u I/O address: 0x0000 ~ 0xFFFF
u IRQ: 2, 3, 4, 5, 7, 10, 11, 12, 15
u Data bits: 5, 6, 7, 8
u Stop bits: 1, 1.5, 2
u Parity: none, even, odd, space, mark
u UART: 4¡Ñ16C550C or Compatible
u Speed: 50 ~ 921.6K bps
u Connectors: 4¡ÑDB-9 male (DTE)
u Data signals: RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND

RS-422: TxD+/-, RxD+/-, RTS+/-, CTS+/-, DCD, GND
RS-485: TxD+/-, RxD+/-, GND

Introduction

Industio C114HI User's Manual 1-3

u Isolation protection: max. 2000V for RS-422 or RS-485
u Operating temp.: 0 ~ 55°C
u Dimensions: 22 cm¡Ñ11.5 cm
u C114HI is compatible with various operating systems. However, Moxa supports

proprietary drivers for better performance. See the driver list below.

C114HI

Windows NT

3/C

Windows 95/98

3/C

Windows 3.x

3/C

DOS

3/C

Linux R/C
OS/2 C
SCO UNIX/OpenServer C
SCO XENIX C
QNX C
FreeBSD C
PICK OS C
MUMPS C
Multiuser DOS C

3: Driver supported by Moxa and shipped with product
R : Driver supported by Moxa but shipped by request
C : Driver supported by OS
Note: MOXA FTP site is available for driver download

Check List

Upon unpacking the C114HI package, you should find the following items included:

1. C114HI 4 port RS-232/RS-422/RS-485 board

2. This User's Manual

3. Windows NT/95/98 driver diskette¡Ñ1, DOS/Windows 3.x driver diskette¡Ñ1,

PComm diskette¡Ñ1

4. 30 cm cable ( DB-37 to 4¡ÑDB-9 male connectors )

Installation Guide

To install C114HI in a system, follow the instructions of Chapter "Hardware
Installation and IO-IRQ" and then O.S. specific instruction of Chapter "Software
Installation".

1-4 Industio C114HI User's Manual

1 Industio C114HI User's Manual 2-1

2

2

2 Hardware Installation and IO-IRQ

IO-IRQ Configuration Utility

Before installing any driver for C114HI in the system, it is necessary to run DOS
configuration utility,

IO-IRQ.EXE, to configure the ports, such as I/O address, IRQ,

Interrupt vector, etc. The utility is in the DOS/Windows 3.x driver diskette.

The C114HI uses on-board

EEPROM to save the board's configuration which can

be accessed (read or written) via the Configuration Access Port (

CAP). While the

JP1 jumper cap of C114HI is removed, the CAP address is always equal to the same
address of the first port. When the JP1 jumper cap is installed, the CAP address will
be forced to 0xA700.

To save time, please determine in which operating system, e.g. Windows or OS/2 or
SCO UNIX, the C114HI board will be used. In order to ease the configuration, the
commonly used I/O address and IRQ combinations supported by most popular OSs
have been collected in the IO-IRQ utility. Press "

F3 - Select OS Compatibility" on

3rd level menu to bring the suggested list and choose a proper one. You can,
however, enter the I/O and IRQ manually if none of the items is suitable.

For example, if the C114HI board is to be installed under SCO UNIX system as the
primary (first) four port board, using SCO UNIX system serial driver, here is one of
the possible settings,

a. Press "

F3 - Select OS Compatibility " on 3rd level menu.

b.

Then choose the entry of "SCO UNIX 1 (Arnet Compatible...)" which will designate
the C114HI's I/O base address to 0x280, IRQ to 4 and interrupt vector to 0x2C2.

Be careful not to conflict the I/O address and IRQ of the C114HI board with the existing
board's.

2-2 Industio C114HI User's Manual

JP1

PORT 2

PORT 3

PORT 4

PORT 1

RT7RT2 RT6RT4

RT8RT1 RT5RT3

JP4

PORT 3

JP5

PORT 4

PORT 2

JP3

PORT 1

JP2

RTS ON

REG

AUTO

ON

RTS OFF

REG

AUTO

ON

232

422

485

JP7

485

422

232

RTS ON

REG

AUTO

ON

RTS OFF

REG

AUTO

ON

JP11

RTS ON

REG

AUTO

ON

RTS OFF

REG

AUTO

ON

232

422

485

JP9

485

422

232

RTS ON

REG

AUTO

ON

RTS OFF

REG

AUTO

ON

JP13

JP8 JP12

JP6 JP10

C114HI’s Layout

Hardware Installation and IO-IRQ

Industio C114HI User's Manual 2-3

Jumper Settings for Interface

Jumpers for the first and second ports are symmetric with those for the third and
forth ports as shown in the above picture.

Port 1 Port 2 Port 3 Port 4 Selection Function
JP 2 JP 3 JP 4 JP 5 Interface & RS-485 Operation Mode
JP 6 JP 8 JP 10 JP 12 RS-422/RS-485 Transmitter Mode
JP 7 JP 9 JP 11 JP 13 RS-422/RS-485 Receiver Mode

For illustration, jumper settings of the first port is shown below.

Put the jumpers in the positions as depicted. Do not care Tx (JP6) and Rx (JP7).

Jumper Settings for RS-232 Port

Put the jumpers in the positions exactly as depicted.

JP7 (Rx)

JP2

JP6 (Tx)

232

422

485

RTS ON
REG
AUTO
ON
RTS OFF
REG
AUTO
ON

2-4 Industio C114HI User's Manual

Tx: ON
Rx: ON

Jumper Settings for RS-422 Port

There are many combinations of configuration for RS-485. To control the
enable/disable mode of the transmitter and receiver, there are 3 options: "RTS ON",
"REG" and "AUTO" for the transmitter (jumpers for Tx) and 3 options: "RTS OFF",
"REG" and "AUTO" for the receiver (jumpers for Rx) Please decide which you need
and put the jumpers in positions as depicted.

Full Duplex Operation Mode

Tx: RTS ON Tx: REG
Rx: RTS OFF Rx: REG

RTS ON
REG
AUTO
ON
RTS OFF
REG
AUTO
ON

RTS ON
REG
AUTO
ON
RTS OFF
REG
AUTO
ON

RTS ON
REG
AUTO
ON
RTS OFF
REG
AUTO
ON

Hardware Installation and IO-IRQ

Industio C114HI User's Manual 2-5

Half Duplex Operation Mode

Tx: RTS ON Tx: REG Tx: AUTO
Rx: RTS OFF Rx: REG Rx: AUTO

Please also refer to Chapter 9 for RS-485 programming and Appendix A for RS-485
cable wiring.

C114HI Board Installation

To install C114HI, please follow the steps below.

Step 1. Choose a PC installed with DOS system or prepare a MS-DOS boot disk

for your PC.

Step 2. Power off PC.

Step 3. Set the interface type to RS-232, RS-422 or RS-485 for each port with the

jumpers on board.

Step 4. Install the C114HI board into a 16-bit slot.

The C114HI has the following default (factory) settings,

I/O address:

0x180 (1st port), 0x188 (2nd port)
0x190 (3rd port), 0x198 (4th port)

IRQ:

10 (shared by four ports)

Interrupt vector :

0x1C0

Configuration Access Port (CAP): 0x180

RTS ON
REG
AUTO
ON
RTS OFF
REG
AUTO
ON

RTS ON
REG
AUTO
ON
RTS OFF
REG
AUTO
ON

RTS ON
REG
AUTO
ON
RTS OFF
REG
AUTO
ON

2-6 Industio C114HI User's Manual

If you are going to install multiple C114HI boards, configure one board at a time to
prevent hardware conflict. Make sure no existing devices have the same I/O address
as the CAP address, e.g. 0x180. If so, try to avoid the conflict by doing either one of
the following (a or b).

a. Short the jumper at position JP1 on the upper-left corner of C114HI. This will

force the CAP address to 0xA700.

b. Change or disable the existing board's I/O address.

ATTENTION ! For safety and to prevent C114HI from damage, please do

not attempt to install or remove the jumper cap of JP1 until
the power of PC is off.

Step 5. Power on the PC and enter DOS system.

Step 6. Execute IO-IRQ.EXE included in the DOS/Windows 3.x software driver

diskette and follow the on-line help to configure the C114HI.

Step 7. Proceed software installation described in Chapter 3. After completing

both the hardware and software configurations, the board is ready for use.
Remember to connect the DB-37 to 4

¡ÑDB-9 cable.

1 Industio C114HI User's Manual 3-1

3

3

3 Software Installation

The C114HI boards are compatible with various operating systems such as SCO
UNIX/XENIX, OS/2, QNX, PICK OS, MUMPS, Linux, and IMS Multiuser DOS.
Please refer to the relative operating system's manual for how to configure the
board.

The C114HI boards support Windows NT, Windows 95/98, DOS and Windows 3.x
device drivers. The compatible SCO UNIX/XENIX and OS/2 drivers are also
described in this Chapter.

Windows NT/95/98, DOS/Windows 3.x

Please refer to Chapter "For Windows NT Users" or "For Windows 95/98 Users",
"For DOS Users" or "For Windows 3.x Users" for more details.

SCO UNIX/XENIX

Because the SCO UNIX/XENIX has bundled a 4 port board driver, additional driver
is not necessary. The following description is based on the SCOUNIX/XENIX
driver. Under SCO UNIX/XENIX, if the C114HI is used as the first 4 port board,
one possible configuration would be:

I

RQ = 4 (i.e. COM1)
I/O base address = 0x280 (Arnet compatible)
Vector = 0x2C2 (0x280 + offset 0x42)

For second 4 port board, the C114HI can be configured as:

IRQ = 3 (i.e. COM2)
I/O base address = 0x300 (Arnet compatible)

3-2 Industio C114HI User's Manual

Vector = 0x342

Use the following SCO UNIX/XENIX command to start the software installation of
a new serial board:

# mkdev serial

The screen will show:

You would like to install a:

1. 1 port card

2. 2 port card

3. 4 port card

4. ......

Enter number 3 to choose "4 port card". The screen then shows:

The card is configured as:

1. COM1

2. COM2

3. COM3

4. COM4

For first C114HI 4 port board, choose number 1 (COM1); for second, number 2
(COM2). Then the screen shows like:

Which card do you have?

1. Arnet base address 0xaaa

2. Arnet base address 0xbbb

3. Hostess base address 0xccc

4. ......

For first C114HI 4 port board, select "Arnet base address 0x280"; for second, "Arnet
base address 0x300". Follow the on-line instruction to complete the rest of the
installation procedure.

Once the installation is successfully completed, the following serial devices along
with their modem devices (upper-case) will be added to the system.

tty1a tty1b tty1c tty1d (first C114HI)
tty2a tty2b tty2c tty2d (second C114HI)

Be sure to activate the device by using SCO command:

# enable ttyxx