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| 型号： | WSXS-AUTO |
| 厂商： | Teledyne LeCroy |
| 文件页数： | 62/69页 |
| 文件大小： | 0K |
| 描述： | AUTO BUS TRIGGER&DECODE - WS-MXS |
| 视频文件： | LeCroy WaveSurfer Finding Anomalies with WaveScan LeCroy WaveSurfer Decoding Serial Data Signals LeCroy WaveSurfer Using Sequence Mode LeCroy WaveSurfer Documenting with LabNotebook LeCroy WaveSurfer WaveStream Fast Viewing Mode LeCroy WaveSurfer Touchscreen User Interface LeCroy WaveSurfer Using Math Functions LeCroy WaveSurfer Zoom in for Waveform Details LeCroy WaveSurfer Measure with Parameters LeCroy WaveSurfer Controlling Memory and Sample Rate |
| 标准包装： | 1 |
| 系列： | WaveSurfer® |
| 类型： | 示波器 |
| 附件类型： | 软件 |
| 适用于相关产品： | WaveSurfer 系列示波器 |
| 配用： | MSO 44MXS-B-ND - DGTL O-SCOPE MIX SGL 400MHZ DSO MSO 64MXS-B-ND - DGTL O-SCOPE MIX SGL 600MHZ DSO MSO 104MXS-B-ND - DGTL O-SCOPE MIX SGL 1GHZ DSO WAVESURFER 104MXS-B-ND - DGTL O-SCOPE 1GHZ 5GS/S 4CH WAVESURFER 64MXS-B-ND - DGTL O-SCOPE 600MHZ 5GS/S 4CH WAVESURFER 62MXS-B-ND - DGTL O-SCOPE 600MHZ 5GS/S 2CH WAVESURFER 44MXS-B-ND - DGTL O-SCOPE 400MHZ 5GS/S 4CH WAVESURFER 42MXS-B-ND - DGTL O-SCOPE 400MHZ 5GS/S 2CH WAVESURFER 24MXS-B-ND - DGTL O-SCOPE 200MHZ 2.5GS/S 4CH |
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CANbus Trigger, Decode, and Measure
B ASIC I NSTRUMENT O PERATION
For information on setting up the instrument to view CAN (or other) signals, reference your
instrument's on-line help system.
Trigger Setup
Overview
The instrument has a very powerful and flexible CAN trigger that is extremely easy to set up for
triggering, using a DBC file and the CAN Symbolic Trigger setup. In addition, Hexadecimal setup
is provided. Connecting the CANbus TD/TDM Series trigger hardware to your circuit is described
in the preceding chapters.
Some basic knowledge of CAN physical bus connections is helpful in order to ensure that you
can connect the trigger correctly. Proper care must be taken to ensure that CANH, CANL, GND,
etc. are connected and terminated correctly (just like any other node on the CAN Bus), or else
you may load the bus, fail to trigger, or generate error frames on the bus. Following the few
simple rules described previously should ensure success.
Trigger Hardware
The CANbus TD/TDM Series Trigger Module operates as a “node” on the CAN Bus. It contains a
Microcontroller, two CAN controllers, and up to two Transceivers (Trigger Couplers) that
interface to the CAN circuit just like any other node on the CAN bus. A trigger condition, set
from within the instrument, is downloaded to the Trigger Module, and the CAN controller within
the Trigger Module “filters” on the condition. When the trigger condition is met, the Trigger
Module outputs a pulse on Pin 2 of the three pin connector that connects to the Oscilloscope
Interface Module (OIM). This pulse occurs 31 microseconds after the trigger condition is met
(+/-1/8 bit time due to normal CAN controller operation). The pulse has a 5 V normal level, with
a minimum level of 0 V and decay back to 5 V. The Oscilloscope or Vehicle Bus Analyzer actually
triggers on this physical signal edge and not on the protocol CAN message.
CAUTION
The Trigger Module can contain enough circuitry for two complete nodes. Even though this
would theoretically provide the capability to both simulate and trigger on signals
simultaneously, this is not recommended. The processor could get overloaded if asked to both
simulate and trigger, and the result could be missed trigger conditions.
Like any other CAN node, the Trigger Module converts physical layer signal data into protocol
data. The trigger condition is downloaded to the Trigger Module in a protocol data format, with
the CAN transceiver (Trigger Coupler) interfacing to the CAN controller in the Trigger Module.
Using a sample point of approximately 65% (depending on the bit rate, the sampling rate could
62
CANbus-TD-TDM-OM-E RevB
相关PDF资料 |
PDF描述 |
|---|---|
| WSXS-CANBUS TD | CAN BUS TRIGGER&DECODE - WS-MXS |
| WSXS-FLEXRAYBUS TD | EMBEDDED BUS TRIG&DECODE-WS-MXS |
| WSXS-HARDCASE | CASE HARD CARRY WAVESURFER-MXS-B |
| WSXS-LINBUS TD | LIN BUS TRIGGER&DECODE - WS-MXS |
| WSXS-UART-RS232BUS TD | UART/RS232BUS TRIG&DECODE WS-MXS |
相关代理商/技术参数 |
参数描述 |
|---|---|
| WSXs-CANbus TD | 功能描述:测试配件 - 其他 CAN BUS TRGR & DECDE OPT FOR WSXS-A OSC RoHS:否 制造商:Tektronix 附件类型:Soft Case 颜色:Gray 设备类型:Transit Case 产品:Accessories |
| WSXS-DPHYBUS D | 制造商:TELEDYNE LECROY 功能描述:D-PHY BUS DECODE WS-XS |
| WSXs-EMB | 功能描述:测试配件 - 其他 I2C SPI UART RS-232 Trigger Decode Pkg RoHS:否 制造商:Tektronix 附件类型:Soft Case 颜色:Gray 设备类型:Transit Case 产品:Accessories |
| WSXS-ENETBUS D | 制造商:TELEDYNE LECROY 功能描述:ENET BUS DECODE WS-XS |
| WSXs-FLEXRAYBUS TD | 功能描述:测试配件 - 其他 FlexRay Trigger Decode WaveSurfer Xs RoHS:否 制造商:Tektronix 附件类型:Soft Case 颜色:Gray 设备类型:Transit Case 产品:Accessories |
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