DA100 darwin yokogawa data acquisition unit

i'm using Yokogawa DA100 for measuring temperature and relative
humidity and sending out alarm to operate relays of ventilation fan.
But the problem is my DA100 have no such a calculation option within
it, so what i'm trying to do is using labview to apply this function
into. But i who just start using labview and also DA100, have no idea
how it could be done. so the main two problem i have now,
1. Communicating by receiving measured data from DA100 to computer and
then calculating and finally using that calculated value to operated
relay is what i have doubt could this be realized???
2. i try to operate normally the labview file which provided by both
ni.com and yokogawa, but i found that there are some errors occur when
i
want to start measuring or even set range,though i already
initialized RS232c. Do anyone ever try Vi provided by both ni.com and
yokogawa?
Best regards
Areemit

I have not used it, but I did download it from NI's website. Did you get the Serial version from their website? Yokogawa DA100 Serial LabVIEW Plug and Play Instrument Driver and Yokogawa DA100 GPIB LabVIEW Plug and Play Instrument Driver will take you to pages where you can download either the GPIB or the Serial version. Make sure that you use the Serial version and not GPIB (if that is the interface you are using).Message Edited by Molly K on 02-18-2005 11:54 PM
J.R. Allen

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Looking for third party driver for Bentley Nevada 208P data acquisition unit.

We have a Bentley Nevada 208P data acquisition unit used with their Adre system (software/hardware). We would find it benifitial to utilize it on another application other than monitoring proximitors, and do some calculations on the voltage signals received outside Bentley's Adre system software. We are using LabView on other applications. Has anyone tried this?

From what I can find about this instrument it looks as though it communicates via Parallel port. I don't think NI has anything which is specific to this instrument, but if Bentley Nevada publishes the command set/communication specs you could probably use VISA to communicate with it (unfortunately they won't allow access to their manuals online without a password so I can't find out anything more specific).
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34970A Data Acquisition Unit driver for LabView 6.0

Is there a LabView 6.0 instrument driver available for the Agilent 34970A Data Acquisition Unit?
Thanks!
Paul
Solved!
Go to Solution.

Here you go.
It's actually in LV5.11 as we are still using LV 5.11 in production.
Attachments:
hp34970a.zip ‏1827 KB

Data acquisition problem with NI-DAQmx 9205 and SignalExpress

Hi everyone,
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I don't know how to setup the system to be able to read properly the emg signal on SignalExpress.
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Hi John,
If I were an Applications Engineer I'd probably be able to figure this out on my own but would you mind elaborating on your hardware setup a little? You mention plugging into a "NI-DAQmx 9205", however the NI-DAQmx is the data acquisition 'driver', the [NI]9205 is an Analog Input Voltage module. Do you mean to be plugging into a Compact DAQ or cRIO?
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What is the signal type going into the amplifier from the electrodes, and what is the signal type and range (amplitude) of the signal coming out of the amplifier; AC, DC? I'm assume it's all voltage?
Straight voltages are pretty easy to work with provided you can scale it to usable units.
Lets get your hardware and signal types figured out then we'll be able to tell Signal Express how to handle those signals.
SCXI- 1000 Chassis w/ 1346 adapter
PCI 6281 DAQ card
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Signal Express 2014.
Win7 Enterprise

A problem with data acquisitioning in LV 7.1 (transition from Traditional NI-DAQ to NI-DAQmx)

Hi to everyone,
I have a problem with data acquisitioning in LV 7.1.
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The problem I have is that when I acquire data in Traditional (without writing somewhere -
just reading) then there is no scan backlog data. But when I acquire data in application that
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about 6 min and then that number quite quickly increases until I get an error (unable to
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Acquisition settings are the same in both cases. When I acquire with DAQmx I use a global
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Ero

If you have an old Daq unit it may not be compatible with DAQMX. Which DAQ unit do you have? I think NI have a list showing which DAQ driver you can use with your card
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High-speed data acquisition and DMA

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Thanks
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Then you say the DAQ time take 1 sec, and the processing time about 4 second. How do you know this? Without having any VIs. And why do you have to read your DAQ unit every second. Also are you sure your processing part of your program is optimal. It is quite easy for a beginner to write Labview code that is very slow then dealing with arrays.
I am quite sure you have some Labview program. But you for some reason do not like the thought of posting your code. Just post them and let us take a look. Hard to help not knowing any thing
Besides which, my opinion is that Express VIs Carthage must be destroyed deleted
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Compact DAQ Data Acquisition

Hello,
I am working on data acquisition project using Compact DAQ - NI 9178, in the I have C series module NI 9213, NI 9207, NI 9205 (Thermocouple, current& Voltage and Voltage measurement units respectively).
I have created tasks in MAX and using these tasks to read data in my LabVIEW VI.[ I use AI read VI only]
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WHen I try to read 1 device data say data from NI 9207- I can read 200 samples per minute. WHen I try to read data from all the 3 units I see delay,
Basically to complete 1 acqusition iteration it takes 1.4-1.5 seconds.
Is there any better way to increase the speed of acquisition ?
Thanks
Solved!
Go to Solution.

My bad. Got confused with Frequency conversion. All good now. Sorry
Was looking for 10 samples every 100ms, and I had programmed 10 samples every 2 seconds

Z600 workstation missing pci data acquisition and signal processing controller driver

I just installed Win7 Pro x86 on my Z600 workstation. It was an upgrade from WinXP Pro. In Device Manager I am missing the driver for the PCI Data Acquisition and Signal Processing Controller and Hardlock USB 1.02. Can someone assist me in finding these drivers. I looked on the Support/Drivers page for this model but couldn't find anything.
This question was solved.
View Solution.

Hi,
You might get better assistance on the HP Enterprise Business Forum since you have a professional worktsation.
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Driver missing - PCIe Data Acquisition and Signal .....

Hello, i recently used Boot Camp to install Windows XP on my 2010 15" Macbook Pro.
All the drivers are working (so far) and i haven't encountered many problems.
However, there is one thing bugging me:
When i go into Device Manager in Windows, and look down the list of installed/uninstalled devices, there is a device called "PCIe Data Acquisition and Signal Processing Controller" which has no driver installed.
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Okay, will do.
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PCI Data Acquisition and Signal Processing Controller driver

I've installed win 8.1x64 on my HP Probook 450 G2 but I am missing the PCI Data Acquisition and Signal Processing Controller driver.
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This question was solved.
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Hi:
Please see if installing the Intel Chipset driver installs that device.
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Pci data acquisition and signal processing controller -Device software not installed

My pc shows me ,the driver software for pci data acquisition and signal processing controller is not installed on my Device manager.
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Data acquisition from SR 530 lockin

Hello,
I need to read the output of the sr530 vector lockin and store them in a file.
I was wondering if there is any driver which will let me read frequency, output amplitudes & relative phase between the input & output signal!
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Thanks a lot,
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Thanks a lot for the help Matt.
I can connect the device via GPIB. Let me tell you a bit more about the problem. As of now I was using a single channel lockin, EG & G 5209, to read the data(so I am kindda familiar wtih data acquisition... not much though). And the only thing I was reading was the output amplitude of the lockin.
Now I have to use the vector lockin, SR 530, and I will need to read both the output amplitudes, the phase & the frequency (all four of them)at the same time. And I am looking for a driver which can do this, i.e. which can read all four data simultaneously & store the result in a *.txt or *.dat file.
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Data acquisition in a state machine

I've recently learned how to implement state machines, but I have a question that I haven't been able to find an aswer to.
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I have a time sensitive test setup (measuring pressure in a rocket chamber), and I'm using labview to both record a single pressure transducer as well as operate the valves (O2, N2, igniter, etc). I'm using a state machine Labview architecture (just learned how). Presently, the DAQ assistant sits in the "Idle" state, and timers (valves need to be turned on at specific times) and manual buttons control when the other states are activated. I have a 10ms timer controlling how often each state is run, and this is the root of my concern.
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3) People on the forums have been talking about Queuing their data acqusition, but I'm not sure how this would benefit my situation.
Thanks to everyone for their feedback!

The data acquisition and state machine timer do not have to be equal, you should however have the same data write rate as you have data read rate, otherwise over the course of long running programs you can build up a large buffer of data to be written using a lot of memory, or lose data.
Your data acquisition should be continuous, the most common way of doing this is every time you receive data write it to a queue, then when you are in other states except your data write stage you simply build up data in the queue that is to be written when you enter the write state again.
Think of it as traffic reaching a set of lights:
The traffic represents the data acquisition, there is a constant flow of it always coming through, the state of your state machine is the lights, green is the data write state clearing the queue, red is when in any other state, letting the traffic build up behind the lights.
It is just important that the light is green long enough to let the traffic not build up too much, otherwise you have a jam.
EDIT: For the basics of how queues work, look at the Queue basics example from the example finder.

Data acquisition from multiple channels.

Hello
Right now, I am able to acquire the signal from a single load cell and display it.But I would like to know of how to acquire acquire signals from two load cells simultaneously.I am using Labview 6i and I am using AI S-Scan with AI config to acquire the waveform.It would be of great help if you could suggest a simple method to acquire the signals.
PS: Please find the attached file used for acquisition from a single load cell.
Looking forward for your reply.
Manasa
Attachments:
test 4.vi ‏102 KB

Hi Manasa,
If I understand what you are trying to do, it is relatively
straightforward to configure your application to acquire data on two channels.
I was unable to run your vi as it was missing some of the subVI’s
from your application. However, your
attachment was sufficient to see what you are trying to do.
Here is how to add channels:
1.
In the I/O Channel Constant, you can add
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you would put 0:3 in the constant (see attached screenshot ChannelConfig.jpg). To scan the first and third channel you would
put 0,2.
2.
The AI Single Scan VI will now read from
multiple channels. Often it easiest to
configure the output of this VI for viewing by first putting the data into an
array using the Build Array VI. It can
then be plotted in a waveform graph. (see attached screenshot ReadtoGraph.jpg
and WaveFormGraph.jpg)
Just a few notes about “simultaneous” sampling:
Most of the NI data acquisition cards have a multiplexer
between the various input channels and the Analog to Digital (A/D) converter
creating a very small delay between each channel (usually ms range or
smaller). NI does make several data acquisition
cards that can perform true simultaneous sampling, meaning that there is an A/D
converter for each channel.
For the large majority of applications, the small delay
between channels is negligible.
Jared T.
Attachments:
ReadtoGraph.JPG ‏21 KB
ChannelConfig.JPG ‏288 KB
WaveFromChart.JPG ‏61 KB

Data acquisition from switching 500lbs load cell to 100lbs load cell

I am using 500lbs load cell, and acquiring data by inputing 2volts from 2345 signal conditioning board, and sensor output is connected to SCC-AI03 pin 3 and 4 , and configure this load cell to a channel using NI MAX, data neighborhood, traditional NI-DAQ virtual channel, the physical quantity is voltage set at range -10 to 10, and sensor also set at voltage with no scaling, but, I couldn't get any signal when 100lbs load cell is use, the difference of this 100 lbs load cell is the rated output is at 2.958mV/V, while the 500lbs rated at 1.8295mV/V , how should I do this?
Thanks.

Hi,
At this point, it is difficult to determine exactly what is happening to your acquisition. Could you please provide some additional information by answering the following questions:
What voltage are you reading with the 500 lb load cell?
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What is specifically happening when you connect the 100 lb load cell?
I also noticed that you are using the Traditional NI-DAQ (Legacy) driver. I recommend upgrading to the NI-DAQmx driver. Here are a couple of links with more information about DAQmx:
Advantages of NI-DAQmx:
Transition from Traditional NI-DAQ to NI-DAQmx:
Learn 10 Functions in NI-DAQmx and Solve 80% of Data Acquisition Applications:
Regards,
Hal L.

DA100 darwin yokogawa data acquisition unit

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