✅ Core Parameters (Official Simplified Version)

?? Basic Configuration

Slot Number: 1 C-series module slot (hot-swappable, auto-identification)

Bus Interface: USB 2.0 High-Speed (480 Mbps), B-type port, with locking screws

Power Supply: Bus power supply (USB 5 V), no external power adapter required from NI

Built-in Counter: 4 32-bit general-purpose counters/timers (supporting encoders, PWM, frequency/period measurement) from NI

?? Timing and Performance

Internal Reference Clock: 80 MHz / 20 MHz / 100 kHz

Timing Precision: 50 ppm; Timing Resolution: 12.5 ns

Analog Input FIFO: 127 samples

Analog Output FIFO: 8,191 samples in再生 mode； 127 samples in non-regenerative mode

?? Environment and Mechanics

Operating Temperature： -20 °C ~ +55 °C from NI

Storage Temperature： -40 °C ~ +85 °C

Humidity： 10%–90% RH (no condensation)

Size (Empty)： 131.4 × 88.6 × 33.3 mm

Weight： Approximately 260 g

Installation： Desktop / Panel Installation (optional accessories)

?? Key Features

Plug-and-play， bus-powered： One USB cable transmits data and power simultaneously， portable， minimal wiring from NI.

Modular flexible configuration： Can plug any 1 C-series module (analog input/output， digital I/O， relay， strain bridge， thermocouple， RTD， etc.) from NI.

Built-in Counter： No additional module required to implement encoders， PWM， frequency/period， event counting from NI.

NI-DAQmx Driver： Compatible with LabVIEW， LabWindows/CVI， Python， C# etc.， ready to use out of the box.

?? Typical Combinations (Common C-series Modules)

Analog Input： NI-9201 (±10 V， 8 channels)， NI-9215 (synchronous sampling)， NI-9213 (thermocouple)

Analog Output： NI-9263 (±10 V， 4 channels)

Digital I/O： NI-9403 (bidirectional DIO)， NI-9474 (output)， NI-9481 (relay)

Strain / Bridge： NI-9237 (bridge)