DSA设备IEPE激励值
硬件: Modular Instruments>>Dynamic Signal Acquisition and Analysis (DSA)>>PXI-4461, Modular Instruments>>Dynamic Signal Acquisition and Analysis (DSA)>>PXI-4462, Modular Instruments>>Dynamic Signal Acquisition and Analysis (DSA)>>PXI-4471, Modular Instruments>>Dynamic Signal Acquisition and Analysis (DSA)>>PXI-4472, Modular Instruments>>Dynamic Signal Acquisition and Analysis (DSA)>>PXI-4472B, Modular Instruments>>Dynamic Signal Acquisition and Analysis (DSA)>>PXI-4474, Modular Instruments>>Dynamic Signal Acquisition and Analysis (DSA)>>NI 4472 for IEEE 1394, Modular Instruments>>Dynamic Signal Acquisition and Analysis (DSA)>>PCI-4471, Modular Instruments>>Dynamic Signal Acquisition and Analysis (DSA)>>PCI-4472, Modular Instruments>>Dynamic Signal Acquisition and Analysis (DSA)>>PCI-4474, Modular Instruments>>Dynamic Signal Acquisition and Analysis (DSA)>>PCI-4461, Modular Instruments>>Dynamic Signal Acquisition and Analysis (DSA)>>PCI-4462
问题: 请问美国国家仪器的动态信号分析仪(DSA)设备的IEPE激励有哪几种值可选?
解答: 不同的DSA设备有不同的激励值。在软件中这些值有一些范围,但最终在硬件中被强制转化成一个允许值。
下表中列出了NI-443x, NI-446x, NI-447x, NI-4496/4498 and NI-923x DSA设备的电流激励值:
注意:PXI-4495不支持IEPE激励。
型号
|
有效的软件值
|
实际的硬件值
|
443x
|
0mA
|
0mA
|
|
2mA to 2.1mA
|
2.1mA
|
|
Other
|
Error
|
446x
|
0mA
|
0mA
|
|
2mA to 10mA
|
4mA
|
|
10mA to 20mA
|
10mA
|
|
Other
|
Error
|
447x
|
0mA
|
0mA
|
|
2mA to 20mA
|
4mA
|
|
Other
|
Error
|
4496/8
|
0mA
|
0mA
|
|
2mA to 20mA
|
4mA
|
|
Other
|
Error
|
9233
|
2mA to 20mA
|
2mA
|
|
Other
|
Error
|
9234
|
0mA
|
0mA
|
|
2mA to 20mA
|
2mA
|
|
Other
|
Error
|
如果设定值位于“Other”一项内,将会产生一个错误。
请从下面链接的各种设备的技术规范中获取更多关于IEPE激励的信息。根据应用传感器的激励条件不同,可以从这个参数决定选择哪个产品更合适。
相关链接: Product Manuals: NI 443x Specifications (March 2009)Product Manuals: NI 446x Specifications (January 2008) Product Manuals: NI 447x Specification (March 2006) Product Manuals: NI 449x Specification (July 2008)Product Manuals: NI 9233 User Guide and Specifications (December 2007)Product Manuals: NI 9234 Operating Instructions and Specifications (August 2008)KnowledgeBase 2SHCTLBH: What is IEPE and is it the same as Integrated Circuit Piezoelectric (ICP)?
附件:
报告日期: 05/10/2006
最近更新: 05/26/2009
文档编号: 3X9AMC9N
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