Number of Ports

NI-IMAQ VI

Number of Ports

Returns the number of ports that an image acquisition device supports.

Note  A port identifies a single independent data stream from a camera. All NI image acquisition devices support at least one port. Devices that support multiple ports can sustain independent and asynchronous acquisitions from the cameras on each port.

Remarks

The following table shows when the property is readable and writable and what devices it applies to.

Datatype Readable Writable Device
Always NotWritable
  • NI PCI-1405
  • NI PCI/PXI-1407
  • NI PCI/PXI-1409
  • NI PCI-1410
  • NI PCI/PXI-1411
  • NI PCI/PXI-1422
  • NI PCI-1424
  • NI PCI-1426
  • NI PCIe-1427
  • NI PCI/PXI-1428
  • NI PCIe-1429
  • NI PCIe-1430