NI PCI/PXI-6514 数字IO设备输出负电压
硬件: Digital I/O (DIO)>>Isolated>>PCI-6514
问题:
我该如何在NI PCI/PXI-6514上输出负电压?
解答: NI PCI/PXI-6514 数字IO设备能够隔离输出-30 to +30V.输出该范围内的信号时需要一个外接电源。为提供所需电压到设备,连接电源的高电势端到DAQ设备上所需端口的VCC端,并连接电源的低电势端到DAQ设备上所需端口的COM端。
对于正电源电压,连接电源正端到6514的VCC并连接电源负端到6514的COM端。对于负电源电压,连接电源地端到VCC并连接电源负端到COM。连线不正确将导致设备严重损坏。
相关链接: NI PCI-6514KnowlegdeBase 43RHELQ0: Why Do My Digital Output Lines Not Output a Digital High?
附件:
报告日期: 08/12/2005
最近更新: 11/25/2011
文档编号: 3OBDD3HY
Other Support Options
Ask the NI Community
Collaborate with other users in our discussion forums
Request Support from an Engineer
A valid service agreement may be required, and support options vary by country.