Moxa Technologies Industio CI-132 Series User manual

Industio CI-132 Series User’s Manual
Industrial 2 Port RS-422/RS-485 Serial Board
Feb. 1999 (1st Edition)
The content of this manual is also available at Moxa Web Site.
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IndustioCI-132 Series 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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About this Manual
This manual is composed of six chapters and one appendix. This manual is written for installers, system
administrators and software programmers.
If you are a first-time installer and system administrator, we recommend you to go through the whole
manual except chapter 4.
If you are a software programmer, you may refer to chapter 4, “Serial Programming Tools”.
If you need cable wiring information, please see the “Connection Cable and Cable Wiring” chapter.
If you encounter any problem during the installation, please refer to the “Troubleshooting” chapter.
Chapter 1 Introduction
Overview and features of the IndustioCI-132 Series boards, list of items and overall installation guide.
Chapter 2 Hardware Installation
Hardware installation for the Industio CI-132 Series boards and connection cable. Hardware
configuration utility, Io-irq.exe, is detailed.
Chapter 3 Software Installation
Software installation, configuration, driver loading/unloading, driver update and removal for various
operating systems: Windows NT, Windows 95/98 and DOS.
Chapter 4 Serial Programming Tools
Short description of the programming tools, PComm, under Windows NT and Windows 95/98 and
API-232 under DOS. Also RS-485 programming issue is covered.
Chapter 5 Connection Cable and Cable Wiring
Description of the RS-422 and RS-485 cable wiring for the connection cable.
Chapter 6 Troubleshooting
Common problems and possible answers for the Industio CI-132 Series boards.
Appendix
Specification details, UART, Installation under compatible systems and I/O port address map.

Table of Contents
Introduction.....................................................................1-1
Overview...........................................................................................................................1-1
Features............................................................................................................................1-3
Check List..........................................................................................................................1-4
Installation Guide...............................................................................................................1-5
Hardware Installation ......................................................2-1
First Thing to Do: Interface Settings...................................................................................2-2
Quick Hardware Installation...............................................................................................2-3
How to Do Quick Hardware Installation....................................................................................2-3
Hardware Installation with IO-IRQ Utility............................................................................2-4
IO-IRQ Utility and Hardware Configuration..............................................................................2-5
Software Installation .......................................................3-1
Windows NT......................................................................................................................3-1
Installing Driver........................................................................................................................3-2
Configuring Board and Port ......................................................................................................3-7
Updating Driver ........................................................................................................................3-9
Removing Driver........................................................................................................................3-9
Windows 95/98................................................................................................................3-10
Installing Driver......................................................................................................................3-10
Configuring Board and Port ....................................................................................................3-14
Updating Driver ......................................................................................................................3-15
Removing Driver......................................................................................................................3-16
DOS ................................................................................................................................ 3-17
Installing Driver......................................................................................................................3-17
Driver Setup ............................................................................................................................3-18
Loading Driver........................................................................................................................3-22
Unloading Driver.....................................................................................................................3-23
Serial Programming Tools ................................................4-1
Windows NT and Windows 95/98......................................................................................4-1
PComm Installation.....................................................................................................................4-1
PComm Programming Library.....................................................................................................4-2
Utilities......................................................................................................................................4-2
DOS ................................................................................................................................ ..4-5

Installing API-232 .....................................................................................................................4-5
DOS API-232 Library................................................................................................................4-5
Utilities......................................................................................................................................4-5
RS-485 Programming........................................................................................................4-8
Automatic Data Direction Control Mode (Recommended)..........................................................4-8
By RTS Mode (For back-compatibility)......................................................................................4-8
Connection Cable and Cable Wiring..................................5-1
RS-422 Cable Wiring.........................................................................................................5-1
RS-485 Cable Wiring.........................................................................................................5-3
Impedance Matching and Termination Resistors................................................................5-4
Troubleshooting...............................................................6-1
General Troubleshooting....................................................................................................6-1
Windows NT......................................................................................................................6-4
Windows 95/98..................................................................................................................6-5
DOS ................................................................................................................................ ..6-6
Technical Reference........................................................A-1
Specifications................................................................................................................... A-1
UART TI550C................................................................................................................... A-2
PC I/O Port Address Map..................................................................................................A-2
Installing CI-132 Series under Compatible Systems.......................................................... A-3
SCO UNIX/XENIX.................................................................................................................... A-3

Industio CI-132 Series User’s Manual 1-1
1
1
1
Introduction
Overview
Industio - The Industrial Multiport Async Solution
The term Industio stands for smart multiport serial I/O solution for industrial
applications. The Industio CI-132 Series boards,including CI-132, CI-132I and
CI-132IS, are designed for 16-bit ISA/EISA bus. They offer 2 independent RS-
422/RS-485 serial ports for connecting data acquisition equipment and many other
serial devices to the PC and its compatible systems. It offers reliable communication
link over a longer distance (4000ft). It is best suitable for industrial environment.
Connections with point-to-point full-duplex or multidrop half-duplex are available
to meet user’s needs.
Automatic Data Direction Control for RS-485
With a well-designed and fine-tuned device driver, the Industio CI-132 boards make
full use of the 32 byte Tx/Rx FIFO and on-chip H/W flow control, so that they can
transfer data without loss even at high speed such as 921.6 Kbps. They offer a reliable
and high performance solution for serial multiport communications.
Termination Resistors Ready for RS-422/RS-485
Termination Resistors are already installed on the Industio CI-132 boards and no
more headaches for finding proper resistors and connecting them for impedance
matching problem. More details are in chapter, “Connection Cable and Cable
Wiring”.
Surge/Isolation Protection

1-2 Industio CI-132 Series User’s Manual
To prevent the boards from damage caused by lighting or high potential voltage,
TVSS (Transient Voltage Surge Suppressor) technology is introduced in some
models to protect the board. This is critical to harsh environment such as factory.
ASIC Design, Compact Size
The CI-132 Series is equipped with MOXA customer-designed ASIC chip, which
replaces lots of conventional IC and hence reduces the board to half-size, increase the
operation performance, and lower the failure rate of the board. Full range of I/O
addresses and IRQs are available. In addition, with on-board EEPROM for storing
the configuration data, the family is designed without jumper or switch. These
features make each port on the board truly independent to any other port and thus
compatible with most existing non-intelligent boards. Because the family is so
flexible in hardware configuration, it is compatible virtually with all kinds of other
manufacturer's non-intelligent multiport boards using 16550 UART.
CAP Address
Instead of using traditional jumper or switch for IRQ and I/O address settings,
hardware configuration of each port is easily set by DOS utility, Io-irq.exe, which
read and write the on-board EEPROM for configuration information through the
CAP (Configuration Access Port) address. The CAP address is the only channel
via which the configuration utility Io-irq.exe can access the board, which is identical
to the first port's base I/O address.
The jumper, JP1, is designed in case of that users forget the CAP address. Normally
JP1 is left open. When JP1 is short, the CAP address is forced to a fixed I/O address,
0xA700. While doing quick hardware installation, JP1 is required to be shorted,
Industio CI-132Series Board
Interface Switch
ON
1 2
ON
1 2
CAP Jumper
JP1
JP3
JP4
Termination ResistorPort 2 Jumper
Termination Resistor Port 1 Jumper
Data Mode Switch
SW2 SW1

Introduction
Industio CI-132 Series User’s Manual 1-3
detailed in chapter, “Hardware Installation”.
Quick Installation
To ease the hardware configuration, users who install only one Industio CI-132
Series board under Windows NT and 95/98 are recommended to adopt quick
installation described in chapter 2, “Hardware Installation”.
Operating System Support
The family is operational under most popular operating systems such as Windows NT,
Windows 95/98, Windows 3.1, DOS, SCO UNIX/XENIX/OpenServer, Linux, QNX,
FreeBSD, OS/2, etc. However, MOXA device drivers for Windows NT, Windows
95/98 and DOS are provided for better installation, configuration and performance.
In this manual, chapter for MOXA Windows NT, Windows 95/98 and DOS device
drivers and appendix for compatible OS are included. For those compatible systems
not mentioned, please refer to system’s manual for how to install and configure the
standard driver.
MOXA Serial Comm Tools
For application development, MOXA provides an easy-to-use serial communication
library under Windows NT, Windows 95/98 (PComm) and 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 Data Scope, Monitor, Terminal Emulator, Diagnostics,
etc., are included for debugging or monitoring the communication status or terminal
emulation or even file transferring.
Broad Applications
The board is suitable for many industrial applications. Here are a few:
lIndustrial Automation
lFactory Automation
lRemote serial device control
Features

1-4 Industio CI-132 Series User’s Manual
The Industio CI-132 Series consists of members as follows,
CI-132 2 RS-422/RS-485 ports, TI550C UART
CI-132I 2 RS-422/RS-485 ports, isolation protection, TI550C UART
CI-132IS 2 RS-422/RS-485 ports, surge and isolation protection, TI550C UART
The following are the outstanding features of Industio CI-132 Series
vSupport 2 independent RS-422 or RS-485 serial ports
vStandard COM port compatible
vHigh circuit integration with state-of-the-art ASIC design, compact half-size
vNo I/O switch, no IRQ jumper, easily configured by software
vIndependent I/O address, IRQ setting for each of 2 serial ports
vSwitch for RS-422/RS-485 selection
v2-wire RS-485 operation
vSwitch for RS-485 data control¡ÐAutomatic Data Direction Control Mode or By
RTS Mode
vJumper for Termination Resistors selection, no more headache for impedance
matching
vReliability¡ÐHigh speed TI550C Communication Controllers with on-chip
hardware flow control guarantees no data loss
vSupport isolation or surge protection
vPowerful Serial Comm tools¡ÐPComm and API-232
vSupport popular industrial OS¡ÐWindows NT, Windows 95/98, DOS
vCompatible with many other OS¡ÐSCO UNIX/XENIX, QNX, Linux, FreeBSD,
Windows 3.x, OS/2
CI-132 Series
Windows NT 3
Windows 95/98 3
DOS 3
SCO UNIX/OpenServer C
SCO XENIX C
QNX C
Linux C
FreeBSD C
Windows 3.x C
OS/2 C
3: Driver supported by Moxa and shipped with product
C : Driver supported by OS
Note: Download the newest drivers from the MOXA FTP service

Introduction
Industio CI-132 Series User’s Manual 1-5
Check List
Upon unpacking the Industio CI-132 Series package, you should find the following
items:
vIndustio CI-132 Series 2 port serial board
vDevice driver diskettes:
lWindows NT and Windows 95/98¡Ñ1
lPComm Lite¡Ñ1
lDOS¡Ñ1
vIndustio CI-132 Series User’s Manual (This manual)
Installation Guide
This section gives a brief summary of how to install the Industio CI-132 Series under
each supported operating system. The installation is simple and involves the
following stages:
Configure CI-132 Series with Io-irq.exe See chapter 2
Install the CI-132 Series board
Install the software from the diskette See respective O.S. Section
Configure the driver for the board and ports in chapter 3
Connect the devices with the cable See chapter 5 for cable wiring
Restart the system See chapter 3 for board init.
Check the driver initialization status status checking for each O.S.
If the system restart successfully, you may
Develop your applications or See chapter 4, “Serial
Execute the desired applications Programming Tools”

1-6 Industio CI-132 Series User’s Manual

Industio CI-132 Series User’s Manual 2-1
2
2
2
Hardware Installation
The installation of the Industio CI-132 Series consists of hardware and software
installation. The hardware installation is detailed in this chapter. The next chapter
deals with the software installation for various operating systems.
The Industio CI-132 Series has the following default (factory) settings:
I/O address : 0x180 (Port 1), 0x188 (Port 2)
IRQ : 10
INT Vector : 0x1C0
CAP Jumper JP1: Open
Interface Switch SW2: Port 1: ON (RS-485)
Port 2: ON (RS-485)
Data Mode Switch SW1: Port 1: ON (Automatic Data Direction Control Mode)
Port 2: ON (Automatic Data Direction Control Mode)
Termination Resistor Port 1 Jumper JP3: Open (not used)
Termination Resistor Port 2 Jumper JP4: Open (not used)
Industio CI-132Series Board
Interface Switch
ON
1 2
ON
1 2
CAP Jumper
JP1
JP3
JP4
Termination ResistorPort 2 Jumper
Termination Resistor Port 1 Jumper
Data Mode Switch
SW2 SW1

2-2 Industio CI-132 Series User’s Manual
If the default settings above are what you desired and good for the system
without conflicts, you may simply install the board in the system and go directly
to the next chapter, “Software Installation”. Otherwise, follow the instructions
below.
In addition to the normal hardware installation (detailed in the later section,
“Hardware Installation with IO-IRQ Utility”), a quick hardware installation (detailed
right in the next section, “Quick Hardware Installation without IO-IRQ Utility”) is
provided for you to facilitate the hardware installation, only under the circumstances
that:
uOnly one Industio CI-132 Series board is allowed to install in a system.
uWindows NT and 95/98 are the only operating systems supported.
uCAP Jumper JP1 is short and I/O address 0xA700 must be free.
First Thing to Do: Interface Settings
Before installing the boardintothe slot,you shouldsetall thejumpers andswitches to
what you want.
CAP Jumper JP1:
Open Not forcing the CAP address to 0xA700.
Short Force the CAP address to 0xA700. Set to this if you want
to do quick hardware installation. Or forget the CAP
address when you want to reconfigure the board with IO-
IRQ.
Interface Switch SW2 for Port 1/Port 2:
ON Set the port interface to RS-485.
OFF Set the port interface to RS-422.
Data Mode Switch SW1 for Port 1/Port 2: (Valid when SW2 is set to ON)
ON Set the RS-485 port to Automatic Data Direction Control
Mode.
OFF Set the RS-485 port to By RTS Mode.
Termination Resistor Port 1 Jumper JP3: (Valid when SW2 is set to ON)
Open Not using Termination Resistor
Short Using Termination Resistor
Termination Resistor Port 1 Jumper JP4: (Valid when SW2 is set to ON)
Open Not using Termination Resistor
Short Using Termination Resistor

Hardware Installation
Industio CI-132 Series User’s Manual 2-3
Quick Hardware Installation
To fully utilize the superior feature of flexible hardware configuration design of the
Industio CI-132 Series, a quick and easy method of installation is designed, which
absolutely saves you from hardware configuration effort, i.e., installation
WITHOUT running configuration program: Io-irq.exe. Simply always short the
jumper JP1. The software and hardware configuration will be completed at the same
time while doing the software configuration, detailed in the next chapter. Of course,
the method is valid only under the previously described circumstances.
Besides, the speed range will be set to from 50 to 921.6K bps by default, which is
called High Speed Spectrum and detailed in section "Hardware Installation with
IO-IRQ Utility".
How to Do Quick Hardware Installation
1. Short the jumper JP1 on the upper-left corner of the board.
2. Plug the board in PC with the desired system installed (Windows NT or 95/98),
which is powered off in advance.
3. Do software (driver) installation, detailed in the next chapter.
This is to specify the desired I/O address, IRQ and INT Vector in the software
configuration panel, no matter what hardware settings are on the board. The
software configuration program will automatically update the hardware settings.
After this, users already complete the whole installation.
4. Shutdown the system (Windows NT or 95/98).
5. Do power off and then on (or Reset) the PC. (Please cold start.)
6. Restart System (Windows NT or 95/98).
It is very important to keep the JP1 always short in this case. Without running the
hardware configuration program, Io-irq.exe under DOS prompt, the software

2-4 Industio CI-132 Series User’s Manual
configuration program will automatically update the hardware settings of the board
while updating the software settings. This saves the trouble doing hardware
configuration. However, remember to cold start the system every time the
configuration changed.
Hardware Installation with IO-IRQ Utility
This section is for users in the following cases, who can not use quick hardware
installation:
uInstall two or more Industio CI-132 Series boards in a system.
uFail to install, due to the I/O address 0xA700 is not available or has conflict in
the system.
uUse operating systems other than Windows NT and 95/98.
Before proceeding to the software (driver)installation, detailed in the next chapter,
“Software Installation”, do hardware configuration to setup the I/O and IRQ with
“Io-irq.exe”, detailed in the next section.
Remember to keep the hardware settings in mind for the software installation.
The Industio CI-132 Series has the following default (factory) settings:
I/O address : 0x180 (1st port), 0x188 (2nd port)
IRQ : 10
INT Vector : 0x1C0
Because the ASIC-designed Industio CI-132 Series has no switch and no jumper for
configuring manually the I/O address, IRQ, INT Vector, etc. of the boards, you must
run the software utility, Io-irq.exe, in the driver diskette under DOS system to
change the hardware configuration.
1. Choose a PC that has DOS system inside.
2. Power off the PC.
3. Make sure no hardware conflict and plug the board in a free 16-bit slot of the PC,
one board at a time with JP1 open.

Hardware Installation
Industio CI-132 Series User’s Manual 2-5
+If you are installing multiple boards, insert one board at a time and
configure it using the Io-irq program before inserting the next board.
This is to prevent conflict between two boards with same default
hardware settings.
The Industio CI-132 Series has the following default (factory) settings,
I/O address : 0x180 (1st port), 0x188 (2nd port)
IRQ : 10
INT Vector : 0x1C0
Configuration Access Port (CAP) : 0x180
4. Power on the PC and enter into DOS system.
5. Run the utility “Io-irq.exe” contained in the driver diskette to set up I/O address,
IRQ and INT vector of the board. Please refer to the next section, “IO-IRQ Utility
and Hardware Configuration” for more details. Or follow the on-line help to
configure the Industio CI-132 Series board.
After completing the hardware configuration, the board is ready for use under
operating systems, such as Windows NT and 95/98, DOS, etc.
IO-IRQ Utility and Hardware Configuration
Note that the CAP address, e.g. 0x180, is identical to the first port's I/O address
except in one case that the JP1 jumper is installed before powering on the PC. In this
case, the CAP address will be forced to 0xA700. The CAP address must be typed
correctly. With the correct CAP address, the utility can find the configuration stored
in the on-board EEPROM and display it on the configuration panel. The CAP
address is the only channel via which the configuration utility Io-irq.exe can access
the board.
1. Run the utility “Io-irq.exe” contained in the driver diskette to set up I/O address,
IRQ and INT vector of the board.

2-6 Industio CI-132 Series User’s Manual
2. Select “Smartio/Industio ISA Family” and press ENTER key.

Hardware Installation
Industio CI-132 Series User’s Manual 2-7
3. Enter the CAP address of the Industio CI-132 Series board to be configured.
4. Configure the following parameters as necessary.
Port Index Indicate the port index for each port.
I/O address Enter the base I/O address for each port, either sequentially or
not. Avoid to conflicting with any other devices.
IRQ Enter the IRQ, 2, 3, 4, 5, 7, 10, 11, 12 or 15, for each port,
independently or not.
Speed This field specifies the use of normal or high speed capability.
Normal speed ranges from 50 bps to 115.2 Kbps. High speed
ranges from 50 bps to 921.6 Kbps. Industio CI-132 Series
supported both normal and high speed spectra.

2-8 Industio CI-132 Series User’s Manual
Note that, currently, port that uses MOXA Windows NT and
95/98 driver will run at the displayed speed. To be clear, when
Industio CI-132 Series board is configured as High Speed
Spectrum, any port driven by the Moxa-provided Windows
NT and 95/98 driver will display the exact working speed. For
example, the displayed speed 38.4 Kbps is equal to the working
speed 38.4 Kbps.
However, if the port is driven by NON Moxa-provided driver,
such as standard serial driver, or Moxa drivers other than
Windows NT and 95/98, such as DOS, the real working speed is
equal to 8 times of the displayed speed. For example, a port, if
set to Normal Speed Spectrum with 38.4 Kbps, will work at 38.4
Kbps for sure; while a port, if set to High Speed Spectrum with
displayed speed 38.4 Kbps, will actually work at 307.2 Kbps
(38.4 Kbps¡Ñ8).