Moxa Technologies Industio C114HI Manual de usuario

C114HI

3 in 1 RS-232/422/485

Industrial Serial Board

Apr. 1998 (2nd Edition)

This documentation is copyrighted by Moxa Technologies Co., Ltd. All rights are reserved.

Moxa Technologies reserves the right to make improvements to the products described in

this manual at any time without notice.

Information provided in this manual is intended to be accurate and reliable. However,

Moxa Technologies assumes no responsibility for its use, nor for any infringements of rights

of the fourth parties which may result from its use.

MOXA is a registered trademark of Moxa Technologies Co. Ltd. The other trademarks in

this manual belong to their manufacturers individually.

www.moxa.com support@moxa.com.tw

Moxa Headquarters

Tel : +886-2-8665-6373

Fax: +886-2-8665-6372

Moxa Tech USA (CA)

Tel : (408)734-2224

Fax: (408)734-4442

Customer’s satisfaction is always our number one concern. To ensure customers get the

full benefit of our services, Moxa Internet Services (MIS) have been built for technical

support, product inquiry, new driver upgrade, etc.

The followings are the services we provide.

E-mail for technical support

address: [email protected]

Ftp site for free driver upgrade

address: ftp.moxa.com or ftp.moxa.com.tw

user ID: ftp

password: your_email_address

World Wide Web (WWW) for product info.

address: www.moxa.com or www.moxa.com.tw

Table of Contents

Chapter 1 Introduction .........................................................................................1

1.1 Features................................................................................................2

1.2 Specifications.......................................................................................2

1.3 Check List............................................................................................3

1.4 Installation Guide.................................................................................3

Chapter 2 Hardware Installation and IO-IRQ.........................................................5

2.1 IO-IRQ Configuration Utility ..............................................................5

2.2 Jumper Settings for Interface...............................................................7

2.3 C114HI Board Installation...................................................................9

Chapter 3 Software Installation .........................................................................11

3.1 Windows NT/95, DOS/Windows 3.x ................................................11

3.2 SCO UNIX/XENIX...........................................................................11

3.3 OS/2...................................................................................................12

Chapter 4 For Windows NT Users........................................................................15

4.1 Software Installation..........................................................................15

4.2 Board and Port Configuration............................................................16

4.3 Board Initialization Status Checking .................................................17

4.4 Driver Upgrade/Removal...................................................................17

4.5 Baud Rate Settings.............................................................................18

4.6 MOXA Serial Comm Tool: PComm....................................................18

4.7 Troubleshooting.................................................................................18

Chapter 5 For Windows 95 Users........................................................................21

5.1 Driver Installation - Setup95.exe.......................................................21

5.2 Board and Port Configuration............................................................21

5.3 Board Initialization Status Checking .................................................23

5.4 Driver Upgrade/Removal...................................................................23

5.5 Baud Rate Settings.............................................................................23

5.6 MOXA Serial Comm Tool: PComm....................................................23

5.7 Troubleshooting.................................................................................23

Chapter 6 PComm.................................................................................................25

6.1 Installation .........................................................................................25

6.2 Programming Library.........................................................................25

6.3 Utilities...............................................................................................25

Chapter 7 For DOS Users .....................................................................................27

7.1 Driver Installation, Setup, Loading and Unloading...........................27

7.2 MOXA Serial Port Naming Convention............................................29

7.3 Baud Rate Settings.............................................................................30

7.4 DOS API-232 Library and Programming..........................................30

7.5 Data Scope.........................................................................................31

Chapter 8 For Windows 3.x Users .......................................................................33

Chapter 9 RS-232/422/485 Programming..........................................................37

9.1 RS-232 Programming ........................................................................37

9.2 RS-422 Programming ........................................................................37

9.3 RS-485 Programming ........................................................................37

Appendix A Pinouts and Cable Wiring...................................................................41

A.1 RS-232...............................................................................................41

A.2 RS-422...............................................................................................44

A.3 RS-485...............................................................................................45

A.4 Impedance Matching and Termination Resistors...............................46

A.5 Pinouts of DB-37 Connector..............................................................48

Appendix B High Speed Operations ......................................................................49

Appendix C Troubleshooting ................................................................................51

Appendix D I/O Port Address Map .........................................................................53

Chapter 1 Introduction

The Smart 3 in 1 Multiport Async Solutions

The C114HI is a RS-232/RS-422/RS-458 4-port serial communication interface board.

Each port can be configured to RS-232, RS-422 or RS-458 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 16550 UART.

Operating System Support

The family is operational under most popular operating systems such as Windows NT,

Windows 95, 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, DOS, Windows 3.x and Linux are provided for

better installation, configuration and performance. In this manual, chapters for MOXA

Windows NT,Windows 95,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 (PComm) and Windows 3.x/DOS (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.

Introduction l l Chapter 1

1.1 Features

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

features:

u16 bit AT bus architecture, more IRQs supported

uASIC-designed, easily configured by software ( IO-IRQ/DOS )

uIndependent I/O address and IRQ settings for each of 4 serial ports

u4 high speed, up to 921.6K bps, TI550C UARTs with on-chip hardware flow

control, no data loss ( 16550 compatible )

uCompatible with PC standard ports: COM1 ~ COM4

uSupports isolation protection for RS-422/RS-485

uSupports 2-wire or 4-wire RS-485 operation modes

uSupports RS-485 auto data direction switching feature

uSupports Windows NT/95, DOS and Windows 3.x device drivers

uCompatible with most popular Operating Systems

1.2 Specifications

uBus interface :ISA(EISA compatible)

uNumber of ports : 4

uI/O address : 0x0000 ~ 0xFFFF

uIRQ :2, 3, 4, 5, 7, 10, 11, 12, 15

uData bits : 5, 6, 7, 8

uStop bits : 1, 1.5, 2

uParity : none, even, odd, space, mark

uUART : 4¡ÑTI550C

uSpeed : 50 ~ 921.6K bps

uConnectors : 4¡ÑDB-9 male (DTE)

uData signals : RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND

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

RS-485: TxD+/-, RxD+/-, GND

uIsolation protection : max. 2000V for RS-422 or RS-485

uOperating temp. :0 ~ 55°C

uDimensions : 22 cm¡Ñ11.5 cm

uC114HI is compatible with various operating systems. However, Moxa supports

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

Chapter 1 l l Introduction

C114HI

Windows NT 3/C

Windows 95 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

1.3 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 driver diskette¡Ñ1, DOS/Windows 3.x (API-232) driver

diskette¡Ñ1, PComm diskette¡Ñ1

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

1.4 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".

Introduction l l Chapter 1

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