Moxa Technologies CP-132 User manual

Industio CP-132 Series User’s Manual
Industrial 2 Port RS-422/RS-485 Serial Board for PCI Bus
Dec. 1999 (1st Edition)
The content of this manual is also available at Moxa Web Site.
Moxa Technologies Co., Ltd.
Tel: [phone]
Fax: [phone]
www.moxa.com
[email protected]

IndustioCP-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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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
address:suppor[email protected]
FTP site for free driver update
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or
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user ID: ftp
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World Wide Web (WWW) Site for product info
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or
www.moxa.com.tw

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 chapter 5 “Connection Cable and Cable Wiring”.
If you encounter any problem during the installation, please refer to the chapter 6 “Troubleshooting”.
Chapter 1 Introduction
Overview and features of the Industio CP-132 Series boards, list of items and overall installation
guide.
Chapter 2 Hardware Installation
Hardware installation for the Industio CP-132 Series boards and connection cable.
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 CP-132 Series boards.
Appendix
Specification details, UART and PCI.

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
Installing the Industio CP-132 Series board........................................................... 2-3
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.............................................................................................3-18
Updating Driver ...............................................................................................................3-20
Removing Driver .............................................................................................................3-22
DOS.................................................................................................................... 3-23
Installing Driver................................................................................................................3-23
Driver Setup ....................................................................................................................3-24
Loading Driver.................................................................................................................3-28
Unloading Driver..............................................................................................................3-28
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...................................................................................................................... 4-6
Installing API-232..............................................................................................................4-6

DOS API-232 Library.........................................................................................................4-6
Utilities...............................................................................................................................4-6
RS-485 Programming............................................................................................ 4-9
Automatic Data Direction Control Mode (Recommended)................................................ 4-9
By RTS Mode (For back-compatibility) .............................................................................4-9
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.......................................................................................................... 6-2
Windows 95/98...................................................................................................... 6-3
Technical Reference
Technical ReferenceTechnical Reference
Technical Reference...............................................................................A-1
Specifications........................................................................................................A-1
PCI........................................................................................................................A-2
UART 16C550C ....................................................................................................A-2

Industio CP-132 Series User’s Manual 1-1
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1 Introduction
IntroductionIntroduction
Introduction
Overview
Industio - The Industrial Multiport Async Solution
The term Industio stands for smart multiport serial I/O solution for industrial
applications. The Industio CP-132 Series boards,including CP-132, CP-132I,
CP-132S and CP-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. Each port can control up to 32 devices in
a multidrop environment.
Automatic Data Direction Control for RS-485
To ease the 2-wire RS-485 half-duplex control, an Automatic Data Direction Control
(ADDC) intelligence is built on each CP-132 board, eliminating the need of software
interference. Hence, the Windows applications can manage the RS-485 port without
extra code to control the half-duplex protocol.
With a well-designed and fine-tuned device driver, the Industio CP-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.

1-2 Industio CP-132 Series User’s Manual
Termination Resistors Ready for RS-422/RS-485
Termination Resistors are already installed on the Industio CP-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
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. An optical isolation option (2000V) and surge
protection option (ESD max. 25KV, EFT max. 2KV) is available in this series. This
is critical to harsh environment such as factory.
PCI Solution
The board complies with PCI Spec. 2.1 needing neither switch nor jumper. The
hardware configuration for the IRQ and I/O address is automatically assigned by the
PCI BIOS. Hence, the board MUST be plugged first before installing the software
driver. For more PCI information, please refer to Appendix “Technical Reference”.
1 2
ON
JP2
JP1 SW2
SW1
Industio CP-132 Series Board
1 2
ON
Interface Switch
Termination Resistor Port 2 Jumper
Termination Resistor Port 1 Jumper
Data Mode Switch

Introduction
Industio CP-132 Series User’s Manual 1-3
Operating System Support
The family is operational under most major industrial platform such as Windows
NT, Windows 95/98 and DOS system. MOXA device drivers for Windows NT,
Windows 95/98 and DOS are provided for better installation, configuration and
performance. In this manual, chapters for MOXA Windows NT, Windows 95/98
and DOS device drivers are included.
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:
Multipoint data acquisition
Factory automation
Critical industrial control
Remote serial device control
Features
The Industio CP-132 Series consists of members as follows,
CP-132 2 RS-422/RS-485 ports, 16C550C UART
CP-132S 2 RS-422/RS-485 ports, surge protection, 16C550C UART
CP-132I 2 RS-422/RS-485 ports, isolation protection, 16C550C UART
CP-132IS 2 RS-422/RS-485 ports, surge and isolation protection, 16C550C UART

1-4 Industio CP-132 Series User’s Manual
The following are the outstanding features of Industio CP-132 Series
Support 2 independent RS-422 or RS-485 serial ports
Compact board size (half-size)
Switch for RS-422/RS-485 selection
High speed up to 921.6K bps each port
Switch for RS-485 data control－Automatic Data Direction Control Mode or By
RTS Mode
Jumper for Termination Resistors selection, no more headache for impedance
matching
Reliability－High speed 16C550C Communication Controllers with on-chip
hardware flow control guarantees no data loss
Provide surge protection for all signal lines, ESD max. 25KV, EFT max. 2KV
(CP-132S, CP-132IS)
Provide optical isolation for all signal lines, max. 2KV DC (CP-132I, CP-132IS)
Powerful Serial Comm tools－PComm and API-232
Support drivers for most major industrial platform－Windows NT, Windows
95/98, and DOS
CP-132 Series
Windows NT ✓
Windows 95/98 ✓
DOS ✓
✓: Driver supported by Moxa and shipped with product
Note: Download the newest drivers from the MOXA FTP service
Check List
Upon unpacking the Industio CP-132 Series package, you should find the following
items:
Industio CP-132 Series 2 port serial board×1
MOXA Software CD-ROM×1, which includes:
Drivers for MOXA Multiport Async Products
PComm Lite programming library and utilities for Windows NT/95/98
API-232 programming library and utility for DOS/Windows 3.x
User’s Manual (PDF)
Industio CP-132 Series User’s Manual (This manual)

Introduction
Industio CP-132 Series User’s Manual 1-5
Installation Guide
This section gives a brief summary of how to install the Industio CP-132 Series
under each supported operating system. The installation is simple and involves the
following stages:
Check the PCI BIOS settings
Install the Industio CP-132 Series board See chapter 2
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 CP-132 Series User’s Manual

Industio CP-132 Series User’s Manual 2-1
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2 Hardware Installation
Hardware InstallationHardware Installation
Hardware Installation
The installation of the Industio CP-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 no-switch-no-jumper Industio CP-132 Series board hardware configuration for
IRQ number and I/O address is automatically assigned by the PCI BIOS. Hence, the
board MUST be plugged first before installing the software driver.
1 2
ON
JP2
JP1 SW2
SW1
Industio CP-132 Series Board
1 2
ON
Interface Switch
Termination Resistor Port 2 Jumper
Termination Resistor Port 1 Jumper
Data Mode Switch

2-2 Industio CP-132 Series User’s Manual
The Industio CP-132 Series has the following default (factory) settings:
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 JP1: Open (not used)
Termination Resistor Port 2 Jumper JP2: Open (not used)
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
First Thing to Do: Interface Settings
Before installing the board into the slot, you should set all the jumpers and switches
to what you want.
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 JP1: (Valid when SW2 is set to ON)
Open Not using Termination Resistor
Short Using Termination Resistor
Termination Resistor Port 1 Jumper JP2: (Valid when SW2 is set to ON)
Open Not using Termination Resistor
Short Using Termination Resistor

Hardware Installation
Industio CP-132 Series User’s Manual 2-3
Installing the Industio CP-132 Series board
Step 1: Power off the PC.
Warning! Make sure your system is switched off before you start installing any
board. If you don’t, you may risk damaging your system and the board.
Step 2: Remove the PC’s cover.
Step 3: Remove the slot cover bracket if there is any.
Step 4: Plug the Industio CP-132 Series control board firmly into a free 32-bit
PCI slot.
Step 5: Fasten the holding screw to fix the control board in place.
Step 6: Replace the system cover.
Step 7: Power on the PC and the BIOS will automatically set the IRQ and I/O
address.
Note! Each board must occupy one unique IRQ and two 8-byte I/O addresses,
which are assigned automatically by the PCI BIOS. However, you can
select a free IRQ number manually via the PC’s BIOS setup for the PCI slot,
but normally this method is not available for the I/O address. The possible
IRQ numbers are 2, 3, 4, 5, 7, 10, 11, 12, and 15. The possible I/O addresses
are from 0x0000 to 0xFFFF.
Step 8: Proceed with the software installation detailed in the next chapter,
“Software Installation”.

2-4 Industio CP-132 Series User’s Manual

Industio CP-132 Series User’s Manual 3-1
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3 Software Installation
Software InstallationSoftware Installation
Software Installation
In this chapter, the software driver installation, configuration and driver
update/removal procedures are described for various operating systems, including
Windows NT, Windows 95/98 and DOS. Before proceeding with the software
installation, complete the hardware installation, detailed in previous chapter,
“Hardware Installation”.
If it is necessary for you to develop your own applications, please also refer to the
next chapter, “Serial Programming Tools”, for programming issues.
Windows NT
Windows NT supports up to 256 serial ports, from COM1 to COM256. To fully
integrate the advanced features of Windows NT, multi-process and multi-thread,
pure 32-bit Windows NT device drivers are developed for the Industio CP-132
Series multiport boards. The driver conforms to Win32 COMM API standard.
To install the driver for the first time, please go directly to the next section,
“Installing Driver”.
If you already have installed the driver and want to re-configure the board and
port, add more boards or delete boards, please refer to the section “Configuring
Board and Port”.
To update or remove the driver, please go to the section, “Updating Driver” or
“Removing Driver”.

3-2 Industio CP-132 Series User’s Manual
Installing Driver
Following is the procedure for installing the Industio CP-132 Series driver for the
first time under Windows NT 4.0. Make sure the board(s) has(have) already been
plugged in the system PCI slot(s).
1. Please log in NT as Administrator.
2. Open the [Control Panel], click on the [Network]icon and select the
[Adapters]tab.
3. Click on the [Add]button, then the [Have Disk...] button in “Select Network
Adapter” dialog box.
4. Specify the exact path of the driver diskette, A:\WINDOWS.NT. Then click
[OK] button.

Software Installation
Industio CP-132 Series User’s Manual 3-3
5. Select “MOXA Smartio/Industio Family multiport board” in the “Select
OEM Option” dialog box, and then click [OK] to enter the “MOXA
Smartio/Industio Configuration Panel” dialog box to start the installation.
6. Click [Add] button to open Property dialog box to change port setting and
advanced FIFO configuration done automatically by the system.

3-4 Industio CP-132 Series User’s Manual
7. Select the newly plugged Industio CP-132 Series board from the Board Type
pull down list.
8. In the “Property” dialog box, select the desired port in the port list and click
[Port Setting] to enter the individual “Port #” setting dialog box to change the
port COM number mappings or FIFO settings.