Using the Hardware Interface on the N1231B PCI Laser Board
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This paper assumes a good understanding of laser interferometer measurement systems in general and a working knowledge of the Keysight Technologies, Inc. N1231B board’s operation and its connection to a laser head and receivers as detailed in its manual.
The paper covers how to use the signals on the N1231B board’s hardware IO connectors for transferring position information to other devices. All aspects of the process are covered, including connectors, cables, signal levels, block diagrams, custom circuits, off the shelf boards, software, and data rates.
Collecting data over the PCI bus using the external trigger inputs and PCI interrupts is also covered.