777499-01 [NI]
Controller Area Network (CAN) Interfaces; 控制器区域网络（ CAN ）接口
| 型号： | 777499-01 |
| 厂家： | 
National Instruments |
| 描述： | Controller Area Network (CAN) Interfaces |
| 文件： | 总6页 (文件大小：519K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Controller Area Network (CAN) Interfaces
NI CAN Series 2 Interfaces for PCI, PXI, and PCMCIA
• Hardware timing and synchronization
with NI data acquisition, vision,
and motion devices
Operating Systems
• Windows 2000/NT/XP/Me/98
• LabVIEW Real-Time
• 100% bus load; for up to 1 Mb/s
• ISO 11898-compliant for standard
(11-bit) and extended (29-bit)
arbitration IDs
Recommended Software
• LabVIEW
• LabWindows/CVI
• Philips SJA1000 CAN controller
• Available in high-speed,
low-speed/fault-tolerant,
and single-wire versions
• Hardware timestamping
• Intel 80386EX microprocessor
for timed CAN frame transfer
• Optical isolation up to 500 V
• Import Vector database files
with NI-CAN
Other Compatible Software
• C/C++
• Visual Basic 6
Application Software (included)
• Bus monitor utility
Driver Software (included)
• NI-CAN
Overview
cables to take advantage of synchronization. For PCI boards, you can
CAN interfaces meet the physical and electrical requirements for in- use a RTSI bus cable to share the signals. For PCMCIA-CAN, a
vehicle automotive networks based on CAN. All CAN interfaces synchronization cable connects external timing and triggering signals
include NI-CAN device driver software, with which you can import to the card to achieve synchronization between PCMCIA-CAN and
CAN channels from Vector database files or create them in an PCMCIA, USB, or PCI data acquisition hardware.
easy-to-use utility and program using a high-level API. With a
National Instruments CAN interface and NI-CAN software, you can use LabVIEW Real-Time Compatibility
a desktop, industrial, or notebook PC running Windows for a variety PCI and PXI CAN hardware works with LabVIEW Real-Time running
of CAN applications, including automotive testing and diagnostics, on a PC or a PXI controller for deterministic control.You can download
prototype design, factory automation, and machine control.
your existing NI LabVIEW application to the target without specialized
real-time OS programming knowledge. The real-time performance and
synchronization mean you can use a standard PC or PXI chassis for
CAN Bus and Analog Data Synchronization
Recent advances in automotive test applications demand tighter applications such as rapid control prototyping, hardware-in-the-loop
integration of CAN and other measurement devices. In many testing, and data logging.
applications, you need to synchronize the physical parameters
measured in time to correlate the data. You can program this Common Hardware
synchronization in software, but OS latency sometimes introduces All National Instruments Series 2 CAN devices use the Intel 80386EX
unacceptable delays for certain automotive test applications. microprocessor to handle communications directly on the interface
National Instruments CAN, data acquisition, vision, and motion device. The 80386EX provides a dedicated environment for reliable,
boards for PCI are equipped to share timing and triggering signals. high-performance CAN communications protocol stack execution.
In a system, a CAN board can share timing and triggering signals Because acquisition and transmission timing occur on the board,
with data acquisition, image acquisition, or motion control boards, CAN frames are not lost due to OS activity such as hard drive
basing their actions on these signals. Determinism is maintained access, mouse movements, or virus scans. The physical layer of all
between the trigger signal and the desired response because timing National Instruments CAN devices fully conforms to the ISO 11898
and triggering signals are handled in hardware. The host PC software physical layer specification for CAN and is optically isolated to 500 V.
interacts only to retrieve the data once it is acquired or to write You can interface to the CAN bus using a 9-pin male D-Sub (DB9)
new data.
connector. The Philips SJA1000 CAN controller implements typical
Synchronization is available for PXI, PCI, and PCMCIA-CAN ISO 11898 CAN functionality and offers additional functionality to aid
devices. For PXI modules, the timing signals are shared in the PXI in system development, such as listen-only mode, sleep/wakeup mode,
trigger bus on the backplane; therefore, you do not need additional error counter access, and self-reception (echo) mode.
Controller Area Network (CAN) Interfaces
High-Speed CAN Hardware
The Intel 80386EX microprocessor on an NI-CAN interface provides
High-speed CAN interfaces can communicate with devices using the operating environment for the CAN protocol communications stack.
transfer rates up to 1 Mb/s. Typical high-speed devices include antilock CAN specifies timing requirements to ensure reliable, deterministic bus
brake systems, engine control modules, and emissions systems.
operation. In a typical system, a National Instruments CAN interface must
provide the necessary system responsiveness. Because the majority of the
CAN protocol executes on the embedded Intel 80386EX microprocessor
Low-Speed/Fault-Tolerant CAN Hardware
Low-speed/fault-tolerant CAN interfaces can communicate with on NI CAN interfaces, you can achieve improved response to incoming
devices up to 125 kb/s and offer transceivers with fault-tolerant messages. Embedded CAN protocol stack execution also results in more
capabilities. Typical low-speed/fault-tolerant devices in an automobile deterministic network performance because the onboard microprocessor
include comfort devices such as seat and mirror adjusters.
is dedicated to CAN communication activities.
Single-Wire CAN Hardware
CAN Programming
Single-wire CAN interfaces can communicate with devices at rates up With NI-CAN software, you can import CAN channel database files
to 33.3 kb/s (88.3 kb/s in high-speed mode). Typical single-wire that use the Vector format (.dbc). A CAN frame can contain multiple
devices within an automobile include comfort devices such as seat and values. By importing scaling information from the database files, you
mirror adjusters.
can easily convert these values into channels with engineering units
(such as °C or kPa). You can either import the scaling information
directly into an application or into Measurement & Automation
Software-Selectable CAN Hardware
You can configure the software-selectable CAN interface for high-speed, Explorer (MAX), where you can edit channels. Alternatively, you can
low-speed/fault-tolerant, or single-wire CAN. Multiple-transceiver configure channels directly in MAX.
hardware offers the perfect solution for applications that require a
combination of communications standards.
NI-CAN software provides two different application programming
interfaces (APIs) – channel and frame, with which you can develop
applications customized to your test and simulation requirements.
The channel API provides access to the CAN bus in easy-to-use
NI-CAN Communications Software
National Instruments ships CAN devices with NI-CAN software for engineering units, using channels. Therefore, it is recommended for
Windows 2000/NT/XP/Me/98. NI-CAN software includes device customers who are new to NI-CAN. The channel API simplifies
drivers that you can use for application development and firmware that multiple device integration and synchronization. With the frame API,
runs on the embedded Intel 80386EX microprocessor. The which provides lower-level access to the CAN bus, you can read and
NI-CAN device drivers are full 32-bit drivers designed for write raw frames on the network. The frame API is recommended for
Windows 2000/NT/XP/Me/98. These device drivers are compatible users that require low-level access to the CAN bus.
with NI LabVIEW and LabWindows/CVI as well as standard
programming environments such as Microsoft Visual C/C++, Borland
C/C++, and Visual Basic 6. The firmware implements time-critical
features provided by the NI-CAN software. NI-CAN software provides
flexible yet easy-to-use functions for configuration and I/O on CAN.
2
National Instruments • Tel: (800) 813 3693 • info@ni.com • ni.com
Controller Area Network (CAN) Interfaces
NI-CAN Features in
Connector
Measurement & Automation Explorer
PCI-CAN and PXI-846x interfaces have a 9-pin male D-Sub (DB9)
Test Panel
connector for each port. The 9-pin D-Sub connector follows the pinout
You can communicate with a specific CAN channel without recommended by CiA DS 102. Figure 2 shows the 9-pin D-Sub
programming using Test Panel, a simple debugging tool to experiment connector pinout for high-speed and low-speed/fault-tolerant
with CAN channels. Using a graphical interface, the tool reads CAN interfaces. PCMCIA-CAN cables have both a 9-pin male D-Sub and
data in engineering units and plots or writes to the device.
Combicon-style pluggable screw terminal connector for each port.1
1As shown in Figure 3 on page 4.
Bus Monitor
Note: See the NI CAN hardware and software reference manual for pinouts for single-wire
and software-selectable interfaces.
To quickly monitor all CAN bus traffic, use the Bus Monitor, a utility
that provides an easy-to-use interface to view all CAN traffic and log
it to disk. It also provides options to control, display, and view
bus statistics.
CAN Device Simulator
The National Instruments CAN Device Simulator, when
communicating with NI CAN and data acquisition (DAQ) hardware
NI Spy
NI Spy gives you an easy way to monitor the NI-CAN API calls your on a PC, provides a tool to demonstrate the concepts of CAN
application makes without having to recompile or rebuild. Use it to communication, DAQ, and CAN/DAQ synchronization.
verify that your application is working properly, troubleshoot
The NI CAN Device Simulator has a function generator, one high-
problems with your application, or verify the communication with speed CAN interface, one high-speed CAN monitor connector, a
your CAN device. NI Spy dynamically captures and displays all 68-pin DAQ connector, access to the DAQ interface TRIG1, TRIG2,
NI-CAN API calls made by any applications running in the system.
and FREQOUT pins, and digital input switches.
Physical Layer
The CAN physical layer connects the CAN controller to the physical
bus wires. The boards contain the PCI and PXI physical layers. They are
powered internally (from the boards) via a DC-DC converter,
and optically isolated up to 500 V. This isolation protects your
NI-CAN hardware and the PC it is installed in from being damaged by
high-voltage spikes on the CAN bus.
For PCMCIA-CAN cards, the physical layer is implemented inside
the cable. The cables can be powered either internally (from the host
computer) via an onboard DC-DC converter, or externally (from the
CAN bus) via a voltage regulator. PCMCIA-CAN physical layer cables
are included with PCMCIA interfaces.
Figure 1. NI CAN Device Simulator
National Instruments • Tel: (800) 813 3693 • info@ni.com • ni.com 3
Controller Area Network (CAN) Interfaces
CAN Interfaces and Ordering Information
LabVIEW
Max Transfer Rate
(kb/s)
Real-Time
Support
Model
Version
Transceiver
Ports
Part Number
PCI
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
PCI-CAN
High-speed
High-speed
Low-speed/fault-tolerant
Low-speed/fault-tolerant
Single-wire
Single-wire
Software-selectable
Software-selectable
TJA1041
TJA1041
TJA1054A
TJA1054A
AU5790
1
2
1
2
1
2
1
2
1000
1000
125
777357-01
777357-02
778007-01
778007-02
778795-01
778795-02
778782-01
778782-02
PCI-CAN/2
PCI-CAN/LS
PCI-CAN/LS2
PCI-CAN/SW
PCI-CAN/SW2
PCI-CAN/XS
PCI-CAN/XS2
PXI
125
83.333 (in high-speed mode)
83.333 (in high-speed mode)
1000
AU5790
TJA1041, TJA1054A, AU5790, EXT1
TJA1041, TJA1054A, AU5790, EXT1
1000
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
PXI-8460/1
PXI-8460/2
PXI-8461/1
PXI-8461/2
PXI-8463/1
PXI-8463/2
PXI-8464/1
PXI-8464/2
PCMCIA
Low-speed/fault-tolerant
Low-speed/fault-tolerant
High-speed
High-speed
Single-wire
Single-wire
Software-selectable
Software-selectable
TJA1054A
TJA1054A
TJA1041
TJA1041
AU5790
1
2
1
2
1
2
1
2
125
125
1000
778008-01
778008-02
777707-01
777707-02
778780-01
778780-02
778783-01
778783-02
1000
83.333 (in high-speed mode)
83.333 (in high-speed mode)
1000
AU5790
TJA1041, TJA1054A, AU5790, EXT1
TJA1041, TJA1054A, AU5790, EXT1
1000
PCMCIA-CAN
PCMCIA-CAN/2
PCMCIA-CAN/LS
PCMCIA-CAN/LS2
PCMCIA-CAN/HSLS
High-speed
High-speed
Low-speed/fault-tolerant
Low-speed/fault-tolerant
High-speed/low-speed/fault-tolerant
TJA1041
TJA1041
TJA1054A
1
2
1
2
2
1000
1000
125
125
1000/125
–
–
–
–
–
777499-01
777499-02
778054-01
778054-02
778266-01
TJA1054A
TJA1041, TJA1054A
1Software-selectable interfaces contain three transceivers as well as an EXT connection. With this, you can bypass the standard transceivers and connect to your own.
PCMCIA Transceiver Dongles and Ordering Information
Model
(HS)
(HS/HS)
(LS)
(LS/LS)
(SW)
(HS/LS) Combo
(HS/SW) Combo
Version
High-speed
High-speed
Transceiver
TJA1041
TJA1041
TJA1054A
TJA1054A
AU5790
TJA1041, TJA1054A
TJA1041, AU5790
Ports
Min Transfer Rate (kb/s)
Max Transfer Rate (kb/s)
Internally Powered
Part Number
191010A-01
191006A-01
191011A-01
191008A-01
191012A-01
191007A-01
191009A-01
ꢀ
ꢀ
ꢀ
ꢀ
1
2
1
2
1
2
2
40
40
5
5
5
1000
1000
125
125
Low-speed/fault-tolerant
Low-speed/fault-tolerant
Single-wire
83.333 (in high-speed mode)
ꢀ
High-speed/low-speed/fault-tolerant
High-speed/single-wire
40/5
40/5
1000
1000
HS only
Ordering Information
CAN Device Simulator
BUY NOW!
U.S. 120 VAC ................................................................779189-01
Universal Euro 240 VAC ..............................................779189-02
RTSI Bus Cables
For complete product specifications, pricing, and accessory
information, call (800) 813 3693 (U.S. only) or go to ni.com/can.
2 boards ....................................................................776249-02
3 boards ....................................................................776249-03
4 boards ....................................................................776249-04
5 boards ....................................................................776249-05
Extended, 5 boards....................................................777562-05
PCMCIA synchronization cable ..................................188791-01
Figure 2. DB9 Connector
Figure 3. Combicon-Style Connector
4
National Instruments • Tel: (800) 813 3693 • info@ni.com • ni.com
Controller Area Network (CAN) Interfaces
Specifications
Power Requirements for PCI, PXI, or PCMCIA I/O Channel, +5 VDC ( 5ꢀ)
Physical
Dimensions
Device
PCI-CAN (1 port)
Typical Current (mA)
PCI ............................................................ 20.7 by 11.18 cm (8.150 by 4.4 in.)
PXI ............................................................ 16.0 by 10.0 cm (6.3 by 3.9 in.)
PCMCIA...................................................... Type II PC Card
800
850
800
900
750
850
800
900
800
850
800
850
800
850
850
900
405
465
405
465
405
465
465
PCI-CAN/2 (2 ports)
PCI-CAN/LS (1 port)
PCI-CAN/LS2 (2 ports)
PCI-CAN/SW (1 port)
PCI-CAN/SW2 (2 ports)
PCI-CAN/XS (1 port)
PCI-CAN/XS2 (2 ports)
PXI-8460/1 (1 port)
PXI-8460/2 (2 ports)
PXI-8461/1 (1 port)
PXI-8461/2 (2 ports)
PXI-8463/1 (1 port)
PXI-8463/2 (2 ports)
PXI-8464/1 (1 port)
PXI-8464/2 (2 ports)
PCMCIA-CAN (HS)
PCMCIA-CAN/2 (HS/HS)
PCMCIA-CAN (LS)
I/O Connections
PCI and PXI ................................................ DB9 male per channel
PCMCIA...................................................... DB9 male and Combicon-style pluggable screw terminals
Operating Environment
Ambient temperature....................................... 0 to 55 °C
Relative humidity ............................................. 5 to 95ꢀ, noncondensing
Noise Emission
PCI, PXI, and PCMCIA....................................... FCC Class A Verified
PCMCIA-CAN/2 (LS/LS)
PCMCIA-CAN (SW)
PCMCIA-CAN/2 (HS/LS)
PCMCIA-CAN/2 (HS/SW)
National Instruments • Tel: (800) 813 3693 • info@ni.com • ni.com 5
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