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Document Type: Example Program
NI Supported: Yes
Publish Date: Sep 6, 2006

Buffered Counting with Edge Gating

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Filename: counting.zip
Requirements: View

This VI is for use only with E Series boards (one DAQ-STC counter/timer is required).

This VI counts rising edges on the SOURCE pin between rising edges on the GATE pin of the counter specified in the counter field. In other words, it is an example of buffered, edge-gated event counting. It uses the advanced level counter/timer VIs.

The number of measurements specifies the number of intervals between GATE edges in which to count SOURCE edges. Rising or falling edges can be used for gating or counting, depending upon the settings for gate mode and source edge constants in the diagram window.

Signal Connections: Source (TTL signal containing edges to count) to pin 37 if counter 0 is used, pin 42 if counter 1 is used. Gate (TTL signal containing edges to count between) to pin 3 if counter 0 is used, pin 41 if counter 1 is used.

Requirements


Filename: counting.zip

Software Requirements


Application Software: LabVIEW Full Development System 4.1
Language(s): LabVIEW

Hardware Requirements


Hardware Group: Multifunction DAQ (MIO)
Driver: Traditional NI-DAQ (Legacy) 5.1

 
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This example program (this "program") was developed by a National Instruments ("NI") Applications Engineer. Although technical support of this program may be made available by National Instruments, this program may not be completely tested and verified, and NI does not guarantee its quality in any way or that NI will continue to support this program with each new revision of related products and drivers. THIS EXAMPLE PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND AND SUBJECT TO CERTAIN RESTRICTIONS AS MORE SPECIFICALLY SET FORTH IN NI.COM'S TERMS OF USE (http://ni.com/legal/termsofuse/unitedstates/us/).