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National Instruments PCI-6731 Analog output board
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National Instruments · PCI

PCI-6731

The National Instruments PCI-6731 is a four-channel, 16-bit PCI analog output board supporting simultaneous waveform updates up to 1 MS/s. It also provides eight digital I/O lines and two counter/timers.

ManufacturerNational Instruments
ModelPCI-6731
Part Number778511-01
Product TypeAnalog output board
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Analog outputs4 voltage channels
Resolution16 bits
Maximum update rate1 MS/s per channel with all four channels
Digital I/O8 TTL/CMOS lines
Counter/timers2 × 24-bit, 20 MHz
Signal connector68-pin SCSI 0.050 D-Type
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Overview

Product overview

Key product information and technical features.

Designed for control and waveform output, the PCI-6731 supports simultaneous multichannel updates and point-by-point waveform definition. NI identifies stimulus-response testing, acoustic distortion testing, and three-phase power simulation as applications.

Each analog output channel has a software-selectable internal or external reference. The internal reference provides a bipolar ±10 V range; with an external reference, the bipolar output range follows the external reference voltage.

  • Simultaneous updates across four analog output channels.
  • Digital triggering and external clocking for waveform timing.
  • Per-channel selection of internal or external analog output reference.
  • PCI RTSI bus with seven trigger lines and one clock line.
Verified specifications

Technical data

Verified product specifications.

Analog output channels4 channels
Analog output resolution16 bits
Maximum analog update rate1 per channel, 1–4 channels using local FIFO MS/s
Output range with internal reference±10 V
Digital I/O lines8; 5 V TTL/CMOS lines
Counter/timers2 counter/timers
Counter/timer resolution24 bits
Maximum counter source frequency20 MHz
I/O connector68-pin SCSI 0.050 D-Type
Condition & included items

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Compatibility

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National Instruments

Manufacturer

PCI

Host computer bus

PCI-6731

Analog output, digital I/O, and timing I/O board

Signal connection

Select cables and terminal blocks from NI's PCI-6731-specific compatibility table.

Check the exact connector, cable, and terminal-block combination; NI's 67xx family includes different connector types.
Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI PCI-6731 Product PageProduct Page · ni.com
Open →
NI 6731/6733 SpecificationsSpecifications · download.ni.com
Open →
Analog Output Series User ManualUser Manual · docs-be.ni.com
Open →
NI 67xx Analog Output Cable and Accessory Compatibility GuideTechnical resource
Open →
Shipping, warranty & returns

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Does the PCI-6731 support 1 MS/s on all four outputs?

Yes. NI lists a maximum update rate of 1 MS/s per channel for four-channel operation using the local FIFO.

What output voltage range does it provide?

The internal reference supports ±10 V. An external reference can be selected per channel to set the bipolar range.

Which signal connector does the PCI-6731 use?

It uses a 68-pin SCSI 0.050 D-Type connector. Consult NI's 67xx compatibility guide for cable and accessory selection.

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