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National Instruments NI-9861 Low-speed/fault-tolerant CAN interface module
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National Instruments · CompactDAQ and CompactRIO

NI-9861

The NI-9861 is a single-port C Series low-speed/fault-tolerant CAN interface for NI-XNET applications in supported CompactDAQ and CompactRIO systems.

ManufacturerNational Instruments
ModelNI-9861
Part Number781962-01
Product TypeLow-speed/fault-tolerant CAN interface module
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CAN ports1
Physical layerLow-speed/fault-tolerant CAN
Maximum baud rate125 kbps
External supply9–30 V DC required
Operating temperature-40 to 70 °C
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Overview

Product overview

Key product information and technical features.

The NI-9861 brings CAN frame and signal handling into modular measurement and control systems. NI identifies applications including hardware-in-the-loop simulation, rapid control prototyping, bus monitoring, and automation control.

The CAN transceiver requires external power. CompactRIO installation also requires the platform-specific NI-XNET setup procedure; consult the installation notes before configuring a system.

  • Single low-speed/fault-tolerant CAN port.
  • Maximum CAN baud rate of 125 kbps.
  • NI-XNET driver integration.
  • Enclosed C Series module without conformal coating.
Verified specifications

Technical data

Verified product specifications.

Number of CAN ports1 port
CAN physical layerLow-speed/fault-tolerant
Maximum baud rate125 kbps
External CAN supply voltage9–30 V DC
Chassis power consumption, active mode1 maximum W
Operating temperature-40 to 70 °C
WeightApproximately 144 g
Ingress protectionIP40
EnclosedYes
Conformal coatedNo
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National Instruments

Manufacturer

C Series

Modular hardware family

NI-9861

Low-speed/fault-tolerant CAN interface

Software

NI-XNET

Provide external transceiver power and verify the exact chassis, controller, and software combination against the applicable NI-XNET readme.
Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI-9861 Product PageProduct Page · ni.com
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NI-9861 SpecificationsSpecifications · ni.com
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NI-9861 Getting StartedGetting Started Guide · ni.com
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NI 9861, NI 9862, and NI 9866 Installation NotesInstallation Notes · download.ni.com
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NI-XNET 20.5.1 Readme: Supported Hardware and PlatformsTechnical resource
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Troubleshooting Undetected XNET ModulesTechnical resource
Open →
Shipping, warranty & returns

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Warranty
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Related products

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NI-9862View product →
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NI-9866View product →

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CompactDAQ

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Does the NI-9861 require an external power supply?

Yes. External power is required for the CAN transceiver, with a specified supply range of 9–30 V DC.

What is the maximum CAN baud rate?

The maximum baud rate is 125 kbps for the low-speed/fault-tolerant CAN interface.

Which driver is used with the NI-9861?

The module uses NI-XNET. Check the readme for your driver release to confirm chassis, controller, and software support.

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