The National Instruments DAQPad-6508 is a USB digital I/O device with 96 channels and a 100-pin I/O connector.
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Key product information and technical features.
The DAQPad-6508 provides parallel digital I/O through USB. Four 82C55A programmable peripheral interface chips control its digital lines.
NI lists this model among devices restricted to Traditional NI-DAQ (Legacy), rather than NI-DAQmx, in its NI-DAQmx 8.0.1 readme. Check the intended operating system and software versions before integration.
Verified product specifications.
| Digital I/O channels | 96 channels |
|---|---|
| Host interface | USB |
| Digital logic compatibility | 5 V TTL/CMOS |
| I/O connector | 100-pin female |
| External supply voltage range | 9–30 VDC |
| Programmable peripheral interface | Four 82C55A chips |
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Manufacturer
Host interface
Digital I/O device
Traditional NI-DAQ (Legacy) device; verify the complete host software configuration.
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Product-specific answers based on available technical information.
The DAQPad-6508 uses a 100-pin female connector; the DAQPad-6507 provides screw terminals.
NI's NI-DAQmx 8.0.1 readme lists it as restricted to Traditional NI-DAQ (Legacy), not supported by NI-DAQmx.
The manual specifies a 9–30 VDC external supply range.