What Are the Voltage Ranges of the NI 4551/4552 and NI 4451/4452? Hardware: Modular Instruments>>Dynamic Signal Acquisition and Analysis (DSA)
Problem: What are the voltage ranges of the NI 4551/4552 and NI 4451/4452 Dynamic Signal Analyzer (DSA) boards? Solution: The range refers to the minimum and maximum voltage levels that the analog to digital converter (ADC) can convert. The DSA boards offer software configurable ranges to handle a variety of different voltage levels (see attached table). This is possible through the use of amplifiers and attenuators on a per-channel basis. The maximum input voltage range for the DSA boards is +/- 42.4 V with an over voltage protection of +/- 400 V, and the minimum input range is +/- 10 mV. To maximize the resolution of your signal, you can select the range for your signal that matches the input range of the ADC; that is, you can select the input limits or input voltage range that best fits the maximum and minimum amplitude of your signal. This will allow the board to apply the amplification or attenuation factor that will maximize the use of the delta sigma converter's range and provide the best resolution.
Related Links: Product Reference: PCI-4451/4452/4453/4454 User Manual (March 2000) Product Reference: NI 4551/4552 User Manual (April 1998) Attachments: 
Report Date: 11/23/1998 Last Updated: 08/02/2007 Document ID: 1FMGTO0O |
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
