The National Instruments PCI-7831R is a PCI multifunction reconfigurable I/O card with 8 analog inputs, 8 analog outputs, 96 digital lines and a Virtex-II V1000 FPGA.
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Key product information and technical features.
The PCI-7831R combines analog voltage I/O and digital I/O with a reconfigurable FPGA in the NI R Series PCI platform.
Software selection is important for this legacy device: NI explicitly removed PCI-7831R support from the July 2017 R Series Multifunction RIO Device Drivers release.
Verified product specifications.
| Analog input channels | 8 channels |
|---|---|
| Analog input resolution | 16 bits |
| Maximum analog input sampling rate | 200 per channel kS/s |
| Analog input range | ±10 V |
| Analog output channels | 8 channels |
| Analog output resolution | 16 bits |
| Maximum analog output update rate | 1 MS/s |
| Analog output range | ±10 V |
| Digital I/O lines | 96 lines |
| FPGA | Virtex-II V1000 |
| FPGA embedded block RAM | 720 kbits |
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Manufacturer
Hardware platform
Multifunction reconfigurable I/O card
NI lists support for two NI-9151 expansion chassis through the digital connectors, accommodating up to eight C Series I/O modules in total.
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Product-specific answers based on available technical information.
No. NI's July 2017 readme explicitly lists the PCI-7831R among devices no longer supported by that release. Verify an earlier supported software configuration before deployment.
Yes. NI's compatibility guide lists two NI-9151 chassis connected through the digital connectors, supporting up to eight C Series I/O modules in total.