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LabView/Signal Express Logging Project Setup (Open Collector/Pulse)
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IT & Programming > Other IT & Programming

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The client has made the following changes to the job.


Job awarded.

Jan 22, 2013

Job Description

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  • Posted: Thu, Jan 17, 2013
  • Time Left: Closed
  • Location: Anywhere
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  • Start: Immediately
  • Budget: Less than $500
  • Fixed Price Job
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  • W9 Not Required
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For this project, we have the following DAQ hardware from National Instruments:

1x NI cDAQ-9188 CompactDAQ 8-Slot Ethernet Chassis
1x NI 9426 32-Channel, 24 V, 7 Ás Sourcing Digital Input Module

We are also using a couple of other Thermocouple Input Modules and Analog Input Modules for things unrelated to this project. We are using LabView Signal Express for logging and everything works fine (altough the person who set it up is no longer available).

We have connected 24 flow sensors with an open collector input. We have 263 pulses per liter, so we can count the 0 and 1 and see how many pulses we have in 1 minute to get to the flow rate.

Here is the data sheet for the flow sensors:
  [obscured]  /PDF/FS-4400H-Spec.pdf

But since the NI9426 doesn't allow pulse counting, we have to do that manually outside of Signal Express, from a log (we do not require real-time data, although that would be optimal if we could make the choice).

We are now looking to automate the task of logging...

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Desired Skills
Job ID: 36931716
Avg $ | High $ | Low $ — Show Pricing
  • Submit Date (Latest)

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I have good experience in Labview (Over 7 years experience in automated tests development and data manipulation and CLD certification) and very...
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Nenad Markovic's identity has been verified.  Learn More
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