NI 9203 8-Ch ±20 mA, 200 kS/s, 16-Bit AI Module Conformal Coat (779516-02)

200 kS/s, ±20 mA, 8-Channel C Series Current Input Module
The NI‑9203 is intended for high-performance control and monitoring applications. It features programmable input ranges and variable connectivity options. To protect against signal transients, the NI‑9203 includes a channel‑to‑earth ground double‑isolation barrier (250 Vrms isolation) for safety and noise immunity.

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Key product
Input Characteristics
Number of channels8 analog input channelsADC resolution16 bits

Type of ADC

Successive approximation register (SAR)

Nominal input
Unipolar

0 mA to 20 mA

Bipolar

±20 mA

Minimum overrange
Unipolar

6.5%

Bipolar

5.5%

Overvoltage protection, channel-to-COM

±30 V maximum on one channel at a time

Sample rate
R Series Expansion chassis

192 kS/s maximum

All other chassis

200 kS/s maximum

Conversion time
R Series Expansion chassis

5.2 μs minimum

All other chassis

5 μs minimum

Scaling coefficients
Unipolar

330 nA/LSB typical

Bipolar

660 nA/LSB typical

Unipolar stability
Offset drift

63 nA/°C

Gain drift

±14 ppm/°C

Environmental Characteristics
Temperature
Operating

-40 °C to 70 °C

Storage

-40 °C to 85 °C

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