SCXI-1121
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National Instruments · SCXI

SCXI-1121

The SCXI-1121 provides four isolated input channels and four isolated excitation channels for SCXI signal conditioning.

ManufacturerNational Instruments
ModelSCXI-1121
Part Number181700-01
Product TypeIsolation amplifier with excitation
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Inputs4 isolated channels
ExcitationVoltage or current
Output modesParallel or multiplexed
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Overview

Technical description without filler

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The module conditions sensor signals before digitization by a separate DAQ device.

  • Jumper-configurable gain.
  • Lowpass filtering.
  • Independently configurable excitation channels.
Verified specifications

Technical data

Only supported values belong in the table and schema.

Excitation channels4 channels
Voltage excitation settings3.333 or 10 V
Current excitation settings150 or 450 µA
Condition & included items

What the actual unit includes

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Condition

Confirmed per unit.

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Compatibility

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National Instruments

Manufacturer

SCXI

Signal-conditioning platform

SCXI-1121

Isolation and excitation

Compatibility

SCXI-1320 and SCXI-1328 terminal blocks.

Check module revision, jumper settings and terminal-block wiring before installation.
Manuals & software

Technical resources

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Shipping, warranty & returns

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Shipping
Free Shipping. Full policy terms apply.
Warranty
30-Day Warranty. Standard coverage applies.
Returns
30-Day Returns. Return policy applies.
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Related products

Alternatives & system components

FAQ

Product-specific questions

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Does the SCXI-1121 digitize signals?

No. A separate DAQ device digitizes its conditioned outputs.

Can it support simultaneous isolated strain measurements?

NI documents a single SCXI-1121 with an S-series DAQ device for this application. Follow the documented system configuration.

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