Select Storage Hardware

Select the storage hardware to store data logs from your tests.

Consider data throughput and test duration to choose storage hardware that is appropriately sized for your system needs.

FlexLogger encodes all data into 8 byte data points, so 2,000 channels acquired at 100 S/s produces 1.6 MB/s of data.

Note NI recommends that you set the sample rate in FlexLogger to 100 S/s. When you select a value of other than 100 S/s, FlexLogger selects the minimum sample rate of the module. For example, the NI-9235 sample rate would be set to 793.651 S/s.

Refer to the following table for an example of how to determine the storage size needed for your system requirements.

Table 7. Example of Data Throughput for 2,000 Channels Acquired at 100 S/s
Data Throughput Redundant Logging
1.6 MB/s 3.2 MB/s
6 GB/hr 12 GB/hr
140 GB/day 280 GB/day
1 TB/week 2 TB/week