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)?

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报告日期: 05/10/2006
最近更新: 05/26/2009
文档编号: 3X9AMC9N