PCI-6251

The National Instruments PCI-6251 is an M Series PCI multifunction data acquisition card. It provides 16-bit analog input acquisition at up to 1.25 MS/s on a single channel, with a 1 MS/s aggregate limit for multichannel acquisition.

ManufacturerNational Instruments

ModelPCI-6251

Part Number779070-01

Product TypeMultifunction data acquisition card

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Host interfacePCI

Analog inputs16 single-ended or 8 differential

Input resolution16 bits

Maximum input sampling1.25 MS/s single channel; 1 MS/s multichannel aggregate

I/O connector68-pin VHDCI

Analog input channels16 single-ended or 8 differential

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Overview

Product overview

Key product information and technical features.

The PCI-6251 belongs to NI's M Series of multifunction DAQ devices and installs in a PCI host system. Its analog input subsystem supports either 16 single-ended channels or 8 differential channels.

Seven programmable analog input ranges extend from ±0.1 V to ±10 V. When planning multichannel acquisition, use the 1 MS/s aggregate sampling limit rather than treating the 1.25 MS/s single-channel rating as a per-channel rate.

The PCI-6251 belongs to NI's M Series data acquisition family and uses the PCI host interface. NI identifies ordering part number 779070-01 with this model.

Analog input offers seven selectable bipolar voltage ranges, from ±0.1 V to ±10 V. For acquisition planning, distinguish the 1.25 MS/s single-channel limit from the 1.00 MS/s multichannel aggregate limit; the latter is not a per-channel rate.

16-bit analog-to-digital conversion.
Configurable single-ended or differential analog input connections.
Seven programmable input ranges: ±10, ±5, ±2, ±1, ±0.5, ±0.2, and ±0.1 V.
DC-coupled analog inputs.
Configurable analog input channel arrangement: 16 single-ended or 8 differential.
Seven bipolar analog input ranges spanning ±0.1 V to ±10 V.
Single-channel acquisition up to 1.25 MS/s and multichannel acquisition up to 1.00 MS/s aggregate.

Verified specifications

Technical data

Verified product specifications.

Bus interface	PCI
Analog input channels	16 single-ended or 8 differential
ADC resolution	16 bits
Maximum single-channel sampling rate	1.25 MS/s
Maximum multichannel aggregate sampling rate	1 MS/s
Analog input ranges	±10, ±5, ±2, ±1, ±0.5, ±0.2, ±0.1 V
Analog input coupling	DC
I/O connector	68-pin VHDCI
Host interface	PCI
Analog input voltage ranges	±10, ±5, ±2, ±1, ±0.5, ±0.2, ±0.1 V
Input coupling	DC
Signal connector type	VHDCI