The National Instruments DAQPad-6507 is a 96-channel USB digital I/O device with built-in screw terminals and 5 V TTL/CMOS signaling.
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Key product information and technical features.
The DAQPad-6507 provides external USB digital I/O with direct screw-terminal wiring. Its 96 digital channels distinguish it from multifunction DAQ devices intended primarily for analog measurements.
NI identifies the DAQPad-6507 as a legacy USB device. Its archived support table lists Traditional NI-DAQ 7.4.4 for Windows XP and Windows 2000; verify the complete software environment before integration.
Verified product specifications.
| Digital I/O channels | 96 channels |
|---|---|
| Host interface | USB |
| I/O termination | 100 screw terminals |
| Absolute maximum signal voltage relative to GND | -0.5 to +5.5 V |
| Input low voltage | -0.3 to 0.8 V |
| Input high voltage | 2.2 to 5.3 V |
| Data transfer methods | Interrupts and programmed I/O |
| Operating temperature | 0 to 70 °C |
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Manufacturer
Host interface
External digital I/O device
DAQPad-6507 has built-in screw terminals; DAQPad-6508 uses a 100-pin I/O connector.
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Product-specific answers based on available technical information.
Both provide 96-channel USB digital I/O. The DAQPad-6507 has built-in screw terminals, while the DAQPad-6508 has a 100-pin I/O connector.
NI's archived compatibility table lists Traditional NI-DAQ 7.4.4 for the DAQPad-6507 on Windows XP. This does not establish support for current operating systems.
Yes. Each 82C55A provides three 8-bit ports programmable as inputs or outputs; handshaking modes use Port C control signals.