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National Instruments PCI-6704 Static analog output board
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National Instruments · PCI

PCI-6704

The National Instruments PCI-6704 is a 16-bit, software-timed PCI analog output board with 16 voltage outputs, 16 current outputs, and eight digital I/O lines.

ManufacturerNational Instruments
ModelPCI-6704
Part Number777306-01 · 183689-01
Product TypeStatic analog output board
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Analog outputs16 voltage and 16 current channels
Resolution16 bits
TimingStatic, software-timed output
Voltage range−10.1 to +10.1 V
Current range0.1 to 20.2 mA
Digital I/OEight TTL-compatible lines
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Overview

Product overview

Key product information and technical features.

The PCI-6704 belongs to NI's 670x software-timed output family. Its voltage and current outputs can operate independently at the same time, allowing one board to provide both types of analog setpoint.

Signal connections use a 68-pin connector. NI recommends the SH68-68-D1 shielded cable and SCB-68 connector block for NI 670x devices.

  • Separate voltage and current output channels support mixed analog output requirements.
  • Current outputs source current without an external excitation supply.
  • Analog outputs support independent, user-defined power-on values.
  • Each digital line can be configured independently as an input or output.
Verified specifications

Technical data

Verified product specifications.

Voltage output channels16 channels
Current output channels16 channels
Analog output resolution16 bits
Output timingStatic, software-timed
Voltage output range−10.1 to +10.1 V
Current output range0.1 to 20.2 mA
Current output compliance0 to 10; not clamped V
Digital I/O8 TTL-compatible channels; power-on state is high-impedance input
I/O connector68-pin male
Board dimensions excluding connectors9.9 × 17.5 cm
Condition & included items

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Condition

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Included

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Compatibility

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National Instruments

Manufacturer

PCI

Host interface

PCI-6704

Static voltage and current output board

Signal connection

NI recommends SH68-68-D1 cabling and SCB-68 termination.

Outputs are not electrically isolated from high voltages. Review grounding and common-mode limits before connecting loads.
Manuals & software

Technical resources

Manuals, software and technical resources for this model.

PCI-6704 Official Product PageProduct Page · ni.com
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NI 6703/6704 SpecificationsSpecifications · docs-be.ni.com
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NI 6703/6704 User ManualUser Manual · docs-be.ni.com
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NI 6703/6704 Update Latency and Settling TimeTechnical resource
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Shipping, warranty & returns

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Warranty
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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Is the PCI-6704 intended for hardware-timed waveform generation?

No. It is a static, software-timed analog output device.

How does the PCI-6704 differ from the PCI-6703?

Both have 16 voltage outputs and eight digital I/O lines. The PCI-6704 adds 16 current outputs.

Do programmed power-on values apply immediately?

Not immediately. Voltage outputs reach full accuracy within 1 second of power-on board reset and may float beforehand. Current outputs reach full accuracy within 7 seconds.

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