NI PXI/PCI-5124 Specifications 22 ni.com
Waveform Specifications
Specification Value Comments
Onboard
Memory Size
8 MB per channel standard
(4 megasamples per channel)
* NIPXI-5 124 only
32MB per channel option
(16 megasamples per channel)
256 MB per channel option
(128 megasamples per channel)
512 MB per channel option
(256 megasamples per channel)*
Minimum
Record Length
1 Sample —
Number of
Pretrigger
Samples
Zero up to full Record Length Single-record mode
and multiple-record
mode
Number of
Posttrigger
Samples
Zero up to full Record Length Single-record mode
and multiple-record
mode
Maximum
Number of
Records in
Onboard
Memory
8 MB/channel 21,845 * NI PXI-5124 only
† It is possible
to exceed these
numbers if you fetch
records while
acquiring data.
For more
information, refer to
the NI High-Speed
Digitizers Help.
32MB/channel 87,381
256MB/channel 100,000†
512 MB/channel*100,000†
Allocated
Onboard
Memory per
Record
(Record Length × 2bytes/S) + 200 bytes, rounded up to
next multiple of 128 bytes
or
384 bytes, whichever is greater
—