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NI (National Instruments) · PCI

PCI-6123

The NI PCI-6123 is a simultaneous-sampling PCI multifunction DAQ device with eight differential analog inputs, 16-bit resolution and a maximum sample rate of 500 kS/s per channel. It also provides eight bidirectional digital channels, two 24-bit counters and digital triggering.

ManufacturerNI (National Instruments)

ModelPCI-6123

Part Number779408-01 · 779409-01

Product Type8 AI (16-Bit, 500 kS/s/ch), 8 DIO, PCI Multifunction I/O Device

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Bidirectional Digital Channels8

Supported Power InputBus Powered

Number of Counters/Timers2

Max Differential Analog Input Channels8

Analog Input Absolute Accuracy4960 μV

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Overview

Product overview

Key product information and technical features.

The PCI-6123 provides eight differential analog input channels with simultaneous sampling at up to 500 kS/s per channel and 16-bit resolution. Its selectable input ranges are ±10 V, ±5 V, ±2.5 V and ±1.25 V.

Alongside analog acquisition, the device provides eight bidirectional digital channels, two 24-bit counters and digital triggering. It connects through the PCI bus and uses bus power. This catalog record is for the PCI-6123, not the PXI-6123 mentioned in the legacy description.

Eight differential analog inputs with 16-bit resolution.
Simultaneous sampling at a maximum of 500 kS/s per channel.
Four bipolar analog input ranges: ±10 V, ±5 V, ±2.5 V and ±1.25 V.
Eight bidirectional digital channels and two 24-bit counters.
Digital triggering support.
Bus-powered PCI interface with a SCSI-type front connection.

Verified specifications

Technical data

Verified product specifications.

Number of Bidirectional Digital Channels	8
Supported Power Input	Bus Powered
Number of Counters/Timers	2
Maximum Number of Differential Analog Input Channels	8
Analog Input Absolute Accuracy	4960 μV
Maximum Sample Rate	500 kS/s/ch
Simultaneous Sampling	Yes
Enclosed	Yes
Analog Input Resolution	16 bits
Bus Connector	PCI
Front Connection Type	SCSI Type
Bus Connection	PCI
Analog Input Voltage Range	-10 V to 10 V -5 V to 5 V -2.5 V to 2.5 V -1.25 V to 1.25 V
NI part numbers	779408-01, 779409-01

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NI

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PCI

Bus Connector

PCI-6123

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Getting Started (NI)Getting Started · ni.com

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Specifications (NI)Specifications · ni.com

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Product Page (NI)Product Page · 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 PCI-6123 provide?

It provides eight differential analog input channels with 16-bit resolution. It has no single-ended analog input channels.

Is 500 kS/s the per-channel sample rate?

Yes. The maximum sample rate is 500 kS/s per channel, with simultaneous sampling.

Which analog input voltage ranges are supported?

The listed ranges are ±10 V, ±5 V, ±2.5 V and ±1.25 V.

Does the PCI-6123 provide analog outputs?

No. It has zero analog output channels. Its other I/O resources include eight bidirectional digital channels and two counters/timers.

What NI part numbers are associated with this model?

The existing verified catalog data lists 779408-01 and 779409-01. The configuration distinction between these numbers is not documented in the supplied record; confirm the required variant before selection.