01-06-2026 09:53 AM
I need to know the Device ID numbers of the USB-6421 and USB-6423. These are not included in the list of "Supported Device ID Numbers" in NI-DAQmx C Reference Help for NI-DAQmx version 2025/Q4 (or any earlier version that I have tried).
01-06-2026 10:32 AM
| 0x7B3E | USB-6421 |
| 0x7B40 | USB-6423 |
Per:Supported Device ID Numbers - NI
-AK2DM
01-06-2026 11:05 AM
Thanks very much.