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National Instruments NI 9205 C Series voltage input module
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National Instruments · CompactDAQ and CompactRIO

NI 9205

The NI 9205 is a C Series voltage input module with 32 single-ended or 16 differential inputs and 16-bit resolution. Its multiplexed acquisition architecture provides up to 250 kS/s aggregate sampling.

ManufacturerNational Instruments
ModelNI 9205
Part Number779519-01
Product TypeC Series voltage input module
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Input configuration32 single-ended or 16 differential inputs
Resolution16-bit
Maximum sample rate250 kS/s aggregate, shared across active channels
Input ranges±0.2 V, ±1 V, ±5 V and ±10 V
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Overview

Product overview

Key product information and technical features.

The NI 9205 combines a programmable-gain instrumentation amplifier and a 16-bit ADC in a multiplexed front end. Each input channel can use one of four programmable voltage ranges.

Sampling bandwidth is shared rather than simultaneous across channels. NI gives a maximum of 15.625 kS/s per channel when all 16 differential channels are acquired at the 250 kS/s aggregate limit.

  • Selectable single-ended and differential voltage measurement configurations.
  • Four programmable input ranges accommodate signals from ±200 mV to ±10 V.
  • ±30 V overvoltage protection between input channels and COM.
  • Channel-to-earth isolation; channels share a common COM connection rather than individual channel isolation.
Verified specifications

Technical data

Verified product specifications.

Maximum single-ended inputs32 channels
Maximum differential inputs16 channels
ADC resolution16 bits
Maximum aggregate sample rate250 kS/s
Programmable input ranges±0.2, ±1, ±5, ±10 V
Sampling architectureMultiplexed, single ADC
Operating temperature range-40 to 70 °C
Condition & included items

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Compatibility

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National Instruments

Manufacturer

CompactDAQ / CompactRIO

Host system platforms

NI 9205

C Series voltage acquisition module

Connection options

The model family includes spring-terminal and DSUB versions.

Confirm the physical connector and part number before selecting wiring accessories; 250 kS/s is an aggregate rate, not a per-channel rate.
Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI-9205 Official Product PageProduct Page · ni.com
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NI 9205 DatasheetDatasheet · download.ni.com
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NI-9205 Getting StartedGetting-started Guide · ni.com
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NI-9205 Dimensional DrawingsDrawings And CAD Models · ni.com
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C Series Specifications Explained: Aggregate and Per-Channel SamplingTechnical resource
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C Series Hardware Compatibility with LabVIEWTechnical resource
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Shipping, warranty & returns

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Warranty
30-Day Warranty. Standard coverage applies.
Returns
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Alternatives & system components

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Does the NI 9205 provide 32 differential inputs?

No. It supports up to 32 single-ended inputs or 16 differential inputs.

Are all NI 9205 modules wired the same way?

No. NI documents spring-terminal and DSUB versions, including different spring-terminal designs. Identify the connector on the actual module and follow the corresponding wiring instructions.

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