Measurement_System0 pages

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NATIONAL

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^INSTRUMENTS

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NI 9205 Measurement System

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32 Ch, 250 kS/s Voltage Input for USB, Ethernet, or Wi-Fi

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USB, Ethernet, and 802.11 Wi-Fi connectivity

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32 single-ended or 16 differential analog inputs

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16-bit resolution; 250 kS/s aggregate sampling rate

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±200 mV, ±1 V, ±5 V, and ±10 V programmable input ranges

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Spring terminal or D-SUB connectivity

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Overview

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The NI 9205 Measurement System measures 32 voltage channels at 250 kS/s with 16-bit resolution, sending data to a host PC over

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USB, Ethernet or 802.11 Wi-Fi.

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Measurement Bundle Overview

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The hardware for an NI CompactDAQ single measurement bundle consists of a USB, Ethernet, or 802.11 W-Fi chassis and one of

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the over 50 measurement-specific modules. These small rugged bundles are ideal for portable or distributed measurements.

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Chassis

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The chassis controls the timing for the module and handles communication with the PC over the USB, Ethernet, or 802.11 W-Fi bus.

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Additionally, all NI CompactDAQ chassis include four counter/timers that you can access through a digital I/O module like the NI 9401.

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Module

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The NI 9205 C Series module works with NI CompactDAQ and CompactRIO chassis. It features 32 single-ended or 16 differential

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analog inputs, 16-bit resolution, and a maximum sampling rate of 250 kS/s. Each channel has programmable input ranges of ±200

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mV, ±1 V, ±5 V, and ±10 V. To protect against signal transients, the NI 9205 includes up to 60 V of overvoltage protection between

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input channels and common (COM). In addition, the module features a channel-to-earth ground double isolation barrier for safety,

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noise immunity, and high-common-mode voltage range. It is rated for 1,000 Vrms transient overvoltage protection.

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You can choose from two connector options for the NI 9205: a 36-position spring terminal connector for direct connectivity or a

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37-position D-SUB connector. To add strain relief and high-voltage protection to the 36-position terminal of the NI 9205, National

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Instruments recommends the NI 9940 strain relief connector accessory.

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The NI 9205 with D-SUB option has an industry-standard 37-position D-SUB connector that provides a low-cost cabling option to a

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wide variety of accessories from NI or other vendors. Several vendors that provide custom D-SUB cable fabrication services also offer

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cables with a pinout that matches your exact application needs. The NI 9933 (or other 37-pin D-SUB connector) is required for use

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with the NI 9205 with D-SUB. The NI 9933 includes a screw terminal connector with strain relief as well as a D-SUB solder cup

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backshell for creating custom cable assemblies.

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