ProSoft PCL-841 Manuale utente
PCL-841
Dual-Port CAN
Interface Card
Copyright
This documentation is copyrighted 1996 by Advantech Co., Ltd. All
rights are reserved. Advantech Co., Ltd. reserves the right to make
improvements in the products described in this manual at any time
without notice.
No part of this manual may be reproduced, copied, translated or
transmitted in any form or by any means without the prior written
permission of Advantech Co., Ltd. Information provided in this
manual is intended to be accurate and reliable. However, Advantech
Co., Ltd. assumes no responsibility for its use, nor for any infringe-
ments of the rights of third parties which may result from its use.
Acknowledgments
PC-LabCard is a trademark of Advantech Co., Ltd. IBM and PC are
trademarks of International Business Machines Corporation. All
brand and product names appearing in this document are registered
trade marks or trademarks of their respective holders.
Part No. 2000841000 1st Edition
Printed in Taiwan May 1996
Contents
Chapter 1
Introduction........................................................................... 1
Introduction....................................................................................2
Features ..........................................................................................3
Specifications.................................................................................3
Chapter 2
HardwareInstallation........................................................... 5
Initial inspection ............................................................................6
Jumper and switch locations ..........................................................7
Card configuration.........................................................................8
Chapter 3
SoftwareProgramming....................................................... 13
Library functions .........................................................................14
Example program.........................................................................19
Chapter 4
DataMonitor Utility ............................................................ 21
Software overview........................................................................22
Main Menu...................................................................................22
Chapter 5
Wiring .................................................................................. 27
Pin assignments............................................................................28
CAN signal wiring .......................................................................29
Appendix A
Register Structure ............................................................... 31
CAN controller address allocation...............................................32
Register address map ...................................................................33
Register descriptions....................................................................34
Chapter 1 General Information 1
1
Introduction
CHAPTER
2PCL-841 User's Manual
Introduction
The PCL-841 is a special purpose communication card that brings the
Control Area Network to your PC. With the built-in CAN controller,
the PCL-841 provides bus arbitration and error detection with
automatic transmission repeat function. This drastically avoids data
loss and ensures system reliability. The on-board CAN controllers are
located at different positions in the memory. You can run both CAN
controllers at the same time, independently. The PCL-841 operates at
baud rates up to 1 Mbps and can be installed directly into the expan-
sion slot of your PC.
Control Area Network
The CAN (Control Area Network) is a serial bus system especially
suited for networking "intelligent" I/O devices as well as sensors and
actuators within a machine or plant. Characterized by its multi-master
protocol, real-time capability, error correction, high noise immunity,
and the existence of many different silicon components, the CAN
serial bus system, originally developed by Bosch for use in automo-
biles, is increasingly being used in industrial automation.
Direct memory mapping
The PCL-841 is assigned with memory address, which allows direct
access to the CAN controller. This is the simplest and fastest way of
programming any board in a PC because the board is regarded as
standard RAM.
Optical Isolation Protection
On-board optical isolators protect your PC and equipment against
damage from ground loops, increasing system reliability in harsh
environments.
Chapter 1 General Information 3
Features
• Operates two separate CAN networks at the same time
• High speed transmission up to 1 Mbps
• 16 MHz CAN controller frequency
• Takes a 4 KB address space, 40 base address adjustable in steps
from C800H up to EF00H
• Optical isolation protection of 1000 VDC ensures system reliability
• Wide IRQ selection for each port includes:
IRQ 3, 4, 5, 6,7, 9, 10, 11, 12, 15
• LED indicates Transmit/Receive status on each port
• Direct memory mapping enables speedy access to the CAN
controllers
• C library and examples included
Specifications
•Ports: 2
•CAN controller: 82C200
•CAN transceiver: 82C250
•Signal support: CAN-L, CAN-H
•Memory address: From C800H to EF00H
•IRQ: 3, 4, 5, 6, 7, 9, 10, 11, 12, 15
•Isolation voltage: 1000 VDC
•Power consumption: +5 V @ 400 mA typical, 950 mA max.
•Connectors: Dual DB-9 male connectors
•Operating temperature: 32 to 122oF (0 to 50oC)
•Dimensions: 7.25" x 4.13" (18.4 x 10.5 cm)
•Shipping weight: 0.9 lb (0.4 kg)
4PCL-841 User's Manual
Chapter 2 Hardware Installation 5
2
Hardware
Installation
CHAPTER
6PCL-841 User's Manual
Initial inspection
You should find the following items inside the shipping package (in
addition to this manual):
• PCL-841 Dual-port CAN Interface Card
• C Driver and DataMonitor Utility Diskette
We have carefully inspected the PCL-841 mechanically and electrical-
ly before shipping. It should be free of marks and scratches and in
perfect working order upon receipt.
As you unpack the PCL-841, check it for signs of shipping damage
(damaged box, scratches, dents, etc.). If it is damaged or it fails to
meet specifications, notify our service department or your local
representative immediately. Also notify the carrier. Retain the shipping
carton and packing material for inspection by the carrier. After
inspection we will make arrangements to repair or replace the unit.
When you handle the PCL-841, remove it from its protective packag-
ing by grasping the rear metal panel. Keep the anti-vibration packing.
Whenever you remove the card from the PC, store it in this package
for protection.
Warning! Modern electronic devices are very sensitive to
damage from static electricity.Ground yourself
before you touch the card.We recommend that you
use a grounded wrist strap and place the card on a
static dissipative mat whenever you work with it. At
the very least, touch the back of the grounded
chassis of the system unit (metal) before you handle
the board. Avoid contact with materials that hold a
static charge, such as styrofoam. Do not touch the
exposed circuit connectors.
Chapter 2 Hardware Installation 7
JP1
DIPSW
JP2
P2
P1
PCL-841 REV. A1 ISOLATED CAN COMMUNICATION CARD
A17
A1
5
A14
A1
3
A12
A1
6
D1
D2
D3
D4
TR2
JP10
TR1
JP9
Port 1 Termination Resistor Port 2 Termination Resistor
Jumper and switch locations
Port 2 IRQ Select
Port 1 IRQ Select
Ports 1 and 2 Memory
Base Address
Indice
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