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NI (National Instruments) · PCI Express

PCIe-6323

The NI PCIe-6323, part number 781045-01, is an X Series PCI Express multifunction I/O device combining 32 analog inputs, 4 analog outputs, 48 bidirectional digital channels and 4 counters/timers.

ManufacturerNI (National Instruments)

ModelPCIe-6323

Part Number781045-01

Product TypePCI Express, 32 AI (16-Bit, 250 kS/s), 4 AO (900 kS/s), 48 DIO Multifunction I/O Device

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Bidirectional Digital Channels48

Supported Power InputBus Powered

Max Single-Ended Analog Input Channels32

Number of Counters/Timers4

Max Differential Analog Input Channels16

Analog Input Absolute Accuracy2200 μV

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Overview

Product overview

Key product information and technical features.

The PCIe-6323 combines analog acquisition, voltage generation, digital I/O and counter/timer functions on a PCI Express device. Its analog input section supports up to 32 single-ended or 16 differential channels with 16-bit resolution and a maximum sample rate of 250 kS/s. Analog input sampling is not simultaneous.

Four 16-bit analog outputs provide a ±10 V output range, alongside 48 bidirectional digital channels and four counters/timers. NI identifies the device for data logging, control and test automation; its PCI Express bus and VHDCI signal connection should be considered when planning host installation and field wiring.

Up to 32 single-ended or 16 differential analog inputs with 16-bit resolution.
Selectable analog input ranges of ±0.2 V, ±1 V, ±5 V and ±10 V.
Four 16-bit voltage outputs with a ±10 V range and a maximum update rate of 900 kS/s.
48 bidirectional digital I/O channels with 5 V logic levels.
Four counters/timers support timing functions including PWM, encoder, frequency and event counting.
Bus-powered PCI Express interface with VHDCI signal connection.

Verified specifications

Technical data

Verified product specifications.

Number of Bidirectional Digital Channels	48
Supported Power Input	Bus Powered
Maximum Number of Single-Ended Analog Input Channels	32
Number of Counters/Timers	4
Maximum Number of Differential Analog Input Channels	16
Analog Input Absolute Accuracy	2200 μV
Analog Input FIFO Buffer Size	4095 samples
Maximum Sample Rate	250 kS/s
Simultaneous Sampling	No
Enclosed	Yes
Analog Input Resolution	16 bits
Bus Connector	PCI Express
Front Connection Type	VHDCI
Number of Analog Output Channels	4
Maximum Analog Update Rate	900 kS/s
Reconfigurable	No
Number of Analog Input Channels	32
Maximum Digital Update Rate	1 µs
Operating Temperature Range	0 °C to 50 °C
Bus Connection	PCI Express
Digital I/O Logic Levels	5 V
Maximum Clock Rate	10 MHz
Number of External Clock Inputs	8
Signaling Type	Single-Ended
Analog Input Voltage Range	-0.2 V to 0.2 V -1 V to 1 V -5 V to 5 V -10 V to 10 V
Number of Voltage Output Channels	4
Analog Output Voltage Range	-10 V to 10 V
Analog Output Resolution	16 bits
NI part numbers	781045-01

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NI

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PCI Express

Bus Connector

PCIe-6323

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Getting Started (NI)Getting Started · ni.com

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Letter Of Volatility (NI)Letter Of Volatility · ni.com

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Dimensional Drawings (NI)Dimensional Drawings · ni.com

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FAQ

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Product-specific answers based on available technical information.

How many analog inputs does the PCIe-6323 provide?

It supports up to 32 single-ended or 16 differential analog inputs with 16-bit resolution and a maximum sample rate of 250 kS/s. Analog input sampling is not simultaneous.

What digital and counter resources are included?

The PCIe-6323 has 48 bidirectional digital channels, four counters/timers and eight external clock inputs.

What bus and signal connection does it use?

It uses the PCI Express bus and a VHDCI front connection. Check the NI documentation for signal assignments and installation requirements before selecting cabling.

What software is identified for configuration and measurements?

NI identifies NI-DAQmx and its configuration utility for configuring the device and taking measurements. Confirm the appropriate driver version and operating-system support for your host.