National Instruments NI 9215 / CRIO-9215 C Series Voltage Input Module

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National Instruments · CompactDAQ and CompactRIO

NI 9215 / CRIO-9215

The NI 9215 is a four-channel C Series differential voltage input module with a ±10 V range, 16-bit resolution, and simultaneous sampling up to 100 kS/s per channel. It is designed for NI CompactDAQ and CompactRIO systems.

ManufacturerNational Instruments

ModelNI 9215 / CRIO-9215

Product TypeC Series Voltage Input Module

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Analog inputs4 differential channels

Input range±10 V

Resolution16 bits

Maximum sample rate100 kS/s per channel, simultaneous

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Overview

Product overview

Key product information and technical features.

The NI 9215 acquires four voltage signals simultaneously. Each channel has an independent track-and-hold amplifier, allowing measurements to be captured together rather than sequentially multiplexed.

NI documents screw-terminal, spring-terminal, and BNC versions. The connector version for this catalog record is not identified; confirm the module label and front connections before selecting wiring or applying variant-specific safety limits.

Simultaneous acquisition across four differential analog input channels.
Successive approximation register (SAR) analog-to-digital conversion.
Channel-to-earth isolation, with ratings dependent on connector version.

Verified specifications

Technical data

Verified product specifications.

Analog input channels	4 differential
Nominal input range	±10 V
ADC resolution	16 bits
Maximum sample rate per channel	100 kS/s
Sampling mode	Simultaneous
Overvoltage protection	±30 V
Input bandwidth, -3 dB	420 minimum kHz
Channel-to-channel isolation	None
Operating temperature	-40 to 70 °C

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National Instruments

Manufacturer

CompactDAQ / CompactRIO

Supported system platforms

NI 9215

C Series voltage input module

Measurement function

Four-channel simultaneous differential voltage acquisition.

Confirm connector variant and chassis/software support before integration. Channel-to-earth isolation does not provide channel-to-channel isolation.

Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI-9215 Product PageManufacturer Product Page · ni.com

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NI-9215 and sbRIO-9215 SpecificationsSpecifications · ni.com

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NI 9215 DatasheetPDF Datasheet · download.ni.com

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C Series Module and CompactDAQ or CompactRIO Hardware Compatibility with LabVIEWTechnical resource

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Does the NI 9215 sample all four channels simultaneously?

Yes. It supports simultaneous acquisition at up to 100 kS/s per channel with 16-bit resolution.

Are the input channels isolated from one another?

No. NI specifies no channel-to-channel isolation. Channel-to-earth isolation depends on the connector version.

Which connector does this catalog item have?

The supplied record does not identify the connector. NI documents screw-terminal, spring-terminal, and BNC versions; verify the actual module before choosing connections.