发布日期：2004/8/1
包含的版本：1.0
受支持的操作系统
Windows
Windows 2000
Windows XP
语言：德语, 日语, 法语, 英文
应用程序位数：32位
校验和：
文件大小: 158684168 字节 (151.33 MB)
修改日期: 2004-08-16 22:49
MD5: 2d3b93eb07923a094b33e28627aa02a6
SHA1: 712bb964ec8f2c9731d27ba50595619cb6d70374
SHA256: b9145213298e6ccad3ab321993c6f413ea29a3009f72997e68095e437e98961c
CRC32: d4cba963
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NI SignalExpress Readme
August 2004
This file contains important information about SignalExpress, including known issues, installation, and compatibility issues. Refer to the Getting Started with NI SignalExpress for information about getting started with SignalExpress. You can access this PDF by selecting Help»Getting Started with NI SignalExpress in the Express Workbench environment.
Known Issues
LabVIEW prompts you with a warning dialog box during project conversion if LabVIEW loads vi.lib subVIs from the National Instruments\LabVIEW 7.1 directory rather than from the directory where you saved your project. Click the OK button to resume conversion.
The Load from ASCII, Load from LVM, and Load from SPICE steps will convert only 20 imported signals into the LabVIEW VI during project conversion. If you want to import more than 20 signals and then convert the project to a LabVIEW VI, use two or more Load from ASCII, Load from LVM, or Load from SPICE steps.
You cannot convert an Express Workbench project to a LabVIEW block diagram if that project uses software triggers.
Text in any step configuration view does not display correctly if you set your monitor resolution to 1400 x 1050 or higher or if you use large fonts.
Due to driver and operating system issues, absolute time stamps have an inaccuracy of 100 ms to 200 ms. National Instruments recommends that you use relative time stamps.
You cannot use Start Trigger from the NI-FGEN Standard Function step or the NI-FGEN Arbitrary Waveform step in continuous generation mode if the NI-FGEN steps are in a sweep operation. The reason is that during a sweep operation, the NI-FGEN devices only send a start trigger at the first sweep iteration.
If you configure a device to start on a digital trigger and the trigger source is the start trigger of an analog output DAQmx device, the device might receive the start trigger before the generation starts. This can occur the first time you run the project or on the first iteration of a continuous execution. To work around this issue, configure the analog output device to be a slave by configuring the device with a digital trigger, and selecting a trigger signal from another device as the trigger source.
If you load a project which has a step which is synchronized to another step and has Wait for previous checked, the project will hang when run. The run can be aborted. Uncheck Wait for previous, save the project, and reload. The project will now run normally.
Installation Instructions
Place the SignalExpress CD in your CD-ROM drive and follow the prompts through the rest of the installation.
Complete the following steps to use SignalExpress with hardware
Install the appropriate driver for that hardware. For Multifunction DAQ, use DAQmx. For High-Speed Digitizers, use NI-SCOPE. For Signal Generators, use NI-FGEN. All drivers are available on the Driver CD.
Shut down the computer.
Install the hardware.
Restart the computer to complete the software installation.
Compatibility Issues
SignalExpress is compatible with the following products:
DAQmx 7.3 or later
NI-SCOPE 2.7 or later
NI-FGEN 2.2 or later
To convert an Express Workbench project to a LabVIEW VI, you must have the LabVIEW 7.1 Full Development System or greater installed.
SignalExpress will install or update the following applications:
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