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National Instruments · NI multifunction DAQ

NI BNC-2111

The NI BNC-2111 is a connector block for accessing signals on compatible NI data acquisition devices. Its 24 BNC connectors provide connections for single-ended analog inputs, analog outputs, digital/PFI signals and an analog output reference.

ManufacturerNational Instruments
ModelBNC-2111
Part Number779347-01
Product TypeSingle-ended BNC connector block
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Signal connections24 BNC connectors
Analog input16 single-ended signal connections
Analog output2 signal connections plus external reference
Digital access5 digital I/O / PFI signal connections
DAQ interface68-pin connection
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Overview

Product overview

Key product information and technical features.

The BNC-2111 brings compatible NI DAQ signals to BNC connectors for testing and debugging. A two-position selector supports floating or ground-referenced analog input sources.

NI documents enclosed and board-only versions. Confirm the physical version and the device-specific cable requirements before integrating this accessory.

  • BNC access to analog input, analog output and digital/PFI signals.
  • Dedicated connection for the external analog output reference.
  • One RSE/NRSE selector applies to all 16 analog input connections.
Verified specifications

Technical data

Verified product specifications.

BNC connector count24 connectors
Analog input connections16 single-ended
Analog output connections2
Digital I/O / PFI connections5
Maximum accessory voltage42; connected DAQ device limits also apply V
Operating temperature0 to 55 °C
Relative humidity5 to 90, noncondensing %
Condition & included items

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Condition

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Included

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Revision

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Compatibility

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National Instruments

Manufacturer

Compatible NI multifunction DAQ device

Signal acquisition and generation

BNC-2111

BNC signal connection accessory

Documented device families

Installation guide covers selected M Series and E Series devices.

Verify the exact DAQ model, connector and cable. A matching pin count alone does not establish compatibility.
Manuals & software

Technical resources

Manuals, software and technical resources for this model.

BNC-2111 Product PageProduct Page · ni.com
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BNC-2111 Installation GuideInstallation Guide · download.ni.com
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BNC-2111 Dimensional DrawingsDimensional Drawings And CAD Models · ni.com
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NI DAQ Multifunction I/O Accessory GuideTechnical resource
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Shipping, warranty & returns

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Warranty
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Returns
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Data Acquisition and Control Systems

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Does the BNC-2111 support differential analog inputs?

No. It supports single-ended measurements, not differential inputs.

How should the RSE/NRSE switch be configured?

NI specifies RSE for floating sources and NRSE for ground-referenced sources. Configure the DAQ software terminal mode to match.

Can the BNC-2111 be DIN-rail mounted?

The metal-enclosure version supports an optional DIN-rail mounting kit. This mounting option does not apply to the board-only version.

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