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NI (National Instruments) · CompactRIO

NI-9381

The NI-9381 is a CompactRIO C Series multifunction I/O module with 8 analog inputs, 8 analog outputs, and 4 bidirectional LVTTL digital channels. Both analog input and output ranges are 0 V to 5 V.

ManufacturerNI (National Instruments)

ModelNI-9381

Part Number782580-02 · 782580-01

Product Type8 AI, 8 AO, 4 DIO, 0 V to 5 V, C Series Multifunction I/O Module

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Analog Input Resolution12 bits

Supported Hardware PlatformCompactRIO

Maximum Sample Rate20 kS/s

Analog Input Channels8

Maximum Digital Update Rate1 µs

Maximum Analog Update Rate20 kS/s

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Overview

Product overview

Key product information and technical features.

The NI-9381 combines analog voltage measurement, analog voltage output, and digital I/O in one C Series module for CompactRIO. Its eight single-ended analog inputs and eight analog outputs each provide 12-bit resolution over a 0 V to 5 V range.

8 single-ended analog inputs with 12-bit resolution and a 0 V to 5 V input range.
8 analog voltage outputs with 12-bit resolution and a 0 V to 5 V output range.
4 bidirectional digital channels with LVTTL logic levels and a specified digital update interval of 1 µs.
C Series bus connection and D-SUB front connection.
Specified operating temperature range of -40 °C to 70 °C.

Verified specifications

Technical data

Verified product specifications.

Analog Input Resolution	12 bits
Supported Hardware Platform	CompactRIO
Maximum Sample Rate	20 kS/s
Number of Analog Input Channels	8
Maximum Digital Update Rate	1 µs
Maximum Analog Update Rate	20 kS/s
Number of Analog Output Channels	8
Number of Bidirectional Digital Channels	4
Operating Temperature Range	-40 °C to 70 °C
Bus Connection	C Series
Current Flow Direction	Sinking Input, Sourcing Output
Digital I/O Isolation	None
Digital I/O Logic Levels	LVTTL
Front Connection Type	D-SUB
Signaling Type	Single-Ended
Maximum Number of Single-Ended Analog Input Channels	8
Analog Input Voltage Range	0 V to 5 V
Analog Input Isolation	None
Number of Voltage Output Channels	8
Analog Output Voltage Range	0 V to 5 V
Analog Output Resolution	12 bits
Simultaneous Sampling	No
NI part numbers	782580-02, 782580-01

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NI

Manufacturer

CompactRIO

Supported Hardware Platform

NI-9381

This product

Compatibility

The NI-9381 is listed for the CompactRIO hardware platform and uses the C Series interface. Specific controller, chassis, and software combinations are not established by the supplied data.

Platform shown as listed by NI. Confirm controller, chassis and software fit for your system with NI before integration.

Manuals & software

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Getting Started (NI)Getting Started · ni.com

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Letter Of Volatility (NI)Letter Of Volatility · ni.com

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Specifications (NI)Specifications · ni.com

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Dimensional Drawings (NI)Dimensional Drawings · ni.com

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Product Page (NI)Product Page · ni.com

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FAQ

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Product-specific answers based on available technical information.

How many analog input and output channels does the NI-9381 have?

It has 8 single-ended analog inputs and 8 analog voltage outputs. Both provide 12-bit resolution.

What analog voltage ranges does the NI-9381 support?

Both the analog input range and analog output range are 0 V to 5 V.

Does the NI-9381 provide simultaneous analog input sampling?

No. The existing verified specifications list simultaneous sampling as not supported.

What digital I/O does the NI-9381 provide?

The module has 4 bidirectional LVTTL digital channels with sinking inputs and sourcing outputs. Digital I/O isolation is not provided.

Which hardware platform is listed for the NI-9381?

CompactRIO is the listed supported hardware platform. Confirm support for the specific controller, chassis, and software version before selecting it for a system.