New to LABVIEW. How can I use one analog channel to trigger acquisiton of a signal on another analog channel?

I am new to using Labview and have been tasked to write data acqusition program for my company. We are attempting to log 6 machines, each with their own asynchronous trigger (I can't use one trigger for all 6 machines). I have the idea to use (for example) ai0 for the measurement and ai1 for the trigger (for one machine), yet I see nothing in the documentation on how this is done. I have tried playing around with the DAQ express VI (I am using Labview7) but still don't see a way to have the setup I am looking for. I'm sure this is a relatively easy question, but I'm unsure where to go to look for an answer. Any helpful pointers or guidance in the right direction
would be very helpful!

If what you want to do is start the acquisition of channel 0 when channel 1 reaches the trigger condition and not start channel 2 until channel 3 reaches it's trigger condition, then no, you cna't do that unless you have multiple daq devices. What can be easily done is continuously acquire all channels and monitor your trigger channels. When the trigger condition is met, then perform the analysis/logging. On the Analyze>Waveform Monitoring palette is the Basic Level Trigger Detection function. Use one for each trigger channel and have it return either the index or relative time of the trigger occurance. This value can then be used to idex that portion of the measurement channel that you're interested in.

Similar Messages

1. I have an iPod which has purchases synced with I tunes with an apple ID. I now have an iPad with a new ID for cloud. I have cloud storage capacity of 5gb which came with the iPad. How can I use one ID and store my existing music in cloud?

1. I have an iPod which has purchases synced with I tunes with an apple ID. I now have an iPad with a new ID for cloud. I have cloud storage capacity of 5gb which came with the iPad. How can I use one ID and store my existing music in cloud?

HI Frostyfrog
CHeck out iTunes Match which has an annual fee of £21 or thereabouts. You can store a maximum of 25,000 songs there and they all become available on your other kit, iPhone, iPad and iPod. I know it works as I have over 23000 songs uploaded of which only a few we're bought through iTunes.
it works by comparing your music to the whole iTunes music dadata base so you access the same tunes that you could get from iTunes. If you have obscure stuff, it uploads your own music to the cloud as a copy.
I Find it incredible that on my iPhone with its 16gb memory I can view almost 200 gb of music (ie my 23000 songs) and play any of them. Anything I add to iTunes becomes available via the cloud fairly quickly from a few minutes or a little longer if adding a lot.
The first time you use it it will take quite a while to match your music if you have a lot, but after that it is all automatic. Read the stuff on the apple site. Your PC needs to be at least running Vista. I recommend it and at less than 50p a week it's good value.
Good luck

HT204053 Dear Support Team, every time i tried to logon Icloud its gives me wrong user name or password and at the end it show me error " This Apple ID is valid but is not an ICloud Account" then how can i use one account for same Apple ID and ICloud???

Dear Support Team,
Every time i tried to logon Icloud its gives me wrong user name or password and at the end it show me error " This Apple ID is valid but is not an ICloud Account" then how can i use one account for same Apple ID and ICloud?
Thanks

It is not possible to create a new iCloud account using a Windows machine. You must create the account using a Mac (10.7.5 or more) or an IOS device (iPhone etc). Once that is done you can sign into and use the account on your Windows machine.

How can i use one SQL statement to solve problem?

How can i use one SQL statement to solve the question below?
For a Table named A, there is a column named F(char type).
Now select all the records where F like '%00' and update their F value to '%01'
Just one SQL statement.Do not use PL/SQL block.
How to do that?
Thanks.

What is the data volume for this table?
Do you expect lots of rows to have '%00' as their value?
Following two statements come to mind. Other experts would be able to provide better alternatives:
If you have index on SUBSTR(f, 2):
UPDATE A
SET    f = SUBSTR(f,
                  1,
                  length(f) - 2) || '01'
WHERE substr(f,
              -2) = '00';If most of the rows have pattern '%00':
UPDATE A
SET    f = SUBSTR(f,
                  1,
                  length(f) - 2) ||
           DECODE(SUBSTR(f,
                         -2),
                  '00',
                  '01',
                  SUBSTR(f,
                         -2));

How can i use one iCloud Photostream on 2 devices?

Due to a bug (or feature) on iOS 8 i can't use the same icloud id on 2 iphones:
https://discussions.apple.com/thread/6536998
So how can i use ONE iCloud Photostream then on 2 devices?
Also, on OSX i can define only one Photostream.
So, how do you import pictures from 2 streams into iPhoto?
Familyshare is not usefull as the pictures are not in Original-Filesize!

Hi ..
Yes. " iPhone 6 or 6 Plus. iPad Air 2 or iPad mini 3"
Set up and use Apple Pay

HT1660 how can I use one single library for all users on the same laptop?

how can I use one single library for all users on the same laptop?

You are most of the way there. Each user having access to hard drive is the key. If users are limited in file privileges this is harder.
Any files you add to your library and any files she adds to her library are available to the other. Just not automatically. Each user must add the files to their own library using the add file or add folder option from menu bar.
What I have done is set library location to a location outside of My Documents\My Music. On my network storage I have a folder names s:\itunes. Both accounts iTunes are set to use this location for the library.

How can I use one photo twice in a slideshow

I am in iPhoto '11 9.4.3 making a slideshow to send to iDVD for my mother-in-laws funeral next Wednesday.
How can I use this one particular photo of her several times in the slide show.
I have tried copy/past and that does not seem to work.
Thanx in advance

I would just duplicate the picture several times and keep inserting duplicates ...

HT4623 how can i use one i5 in oman which is bought from australia?

how can I use my i5 in oman which is bought from Australia?

Hi,
I put new sim card (omantel -prepaid) but some msgs. is came.( The sim card that you currently have installed in this phone is from a carrier that is not supported under the activation policy that is currently assigned by the activation server. This is not a hardware issue with the I phone.Please insert another SIM card from a supported carrier or request that this I phone be un locked by your carrier.Please contact Apple for more information ).

HT3354 how can i use one table for reference to another

how can i use a table for a referance to another eg when i type a word in a cell, i will like it to match the word with another table then return the information in the cell i am using

you can use vlookup() (or any of the lookup family of functions) to locate an item based on a key value:
Here is an example of something you can do with two tables:
The table on the right is title "Data" and stores a list of names with age and favorite color.
The table on the left uses the value in the first column to lookup up information in the table Data
in the table on the left:
B2=IFERROR(A2&" is " & VLOOKUP(A2, Data :: A:D, 2, 0)&" years old and likes the color "& VLOOKUP(A2, Data :: A:D, 3, 0), "NOT FOUND")
I know this look complicated. so I'll break it up into smalled pieces:
first the "&" is called the concatenate operator and joins two strings. like this:
a string is a set of characters between double quotes.
so "string 1" & "string 2" becomes "string 1string2" or "Sam " & "Jones" becomes "Sam Jones"
you can use cell references instead of strings directly in which case the concatenation is performed on the contents of the cells.
so if cell A1 contains "Hi " and the cell A2 contains "There" then A1 & A2 will result in "Hi There"
so you could add the formula
A3=A1 & A2
this is short hand for select cell A3 then type everything including the A3 so that A3 contains "=A1 & A2" (omit the double quote)
OK. So the formula I provided concatenates several items together:
it concatenates A2, then the string " is " then a formula, then the string " years old and likes the color " then a formula
the two formulas (highlighted in blue) perform a lookup of the value in cell A2 in columns A thru D of the table named "Data". If if finds the value in cell A2 in the first column of the lookup range in the table Data (column A) then it returns the value from the same row but in the second or third column.
all that is in a function calld iserror() to trap the condition where the calue you enter in A2 does not exist in the table Data:
You will find the Numbers users guide and function reference helpful. You can download then from Apple here:
http://support.apple.com/manuals/#productivitysoftware

How can I use one background jpeg in my ebook without a large file size

I'm guessing that by simply adding a background image or watermark by default adds a separate copy to each page. Since I am intending for them to be the same on all pages except for the title page, how do I shrink the final file size of my PDF eBooks so that the image is stored once but shown on all pages?
Thanks in advance.

Thank you, I understand, yeah, I knew that, my phone is factory unlocked and I am going home, which is obviously not in the States and I am thinking of buying a local carrier there. However, I still have 2 weeks before I leave and cannnot wait to start using my Iphone 4. I thought at least I could use the mp3 player function. So as far as I understand, I cannot activate it without a sim card. I have been using metropcs for about two years and it does not have a sim card. In this case, do I really not have another choice but wait for two weeks to listen to music? My Mp3 player just failed me and I really need to listen to music but on the other hand, while I can use my iphone as an mp3 player in two weeks, I don't want to spend more money on a new one. So, do you have another suggestion? For instance, can I use a friend's sim card to activate mine? Would this cause any trouble, when I go home and buy a local carrier? I think these questions might kinda sound weird to you, but first time with an Iphone, extremely excited to start using under my circumstances, I need help thanks,

New to Mac, how can I use isight webcam and connect ot my MS messenger buds

Ok about to buy an iMac, never used one always had PCs
however all my buddys use MS messenger, I know there is a version of this for Mac now but dont think it supports the iSight camera. Also I dont think the included app iChat allows you to connect to MSM people does it?
SO how can I connect to my MSM buddys and use the iSight camera for video talking? is thee a way?
Does the iSight workk in Win XP via boot camp in MSM on Win XP?
cheers

also see http://discussions.apple.com/thread.jspa?messageID=5087786&#5087786
Any new iNtel Mac (not only MacBook Pro) can use the three choices mentioned there.
Jim

How can I use ONE Text search iView to event/affect mutliple Result Sets?

hello everyone,
i have a special situation in which i have 6 flat tables in my repository which all have a common field called Location ID (which is a lookup flat to the Locations table).
i am trying to build a page with a free-form text search iView on Table #1 (search field = Location ID). when I execute the search, the result set for Table #1 is properly updated, but how do I also get Result Set iViews for Tables #2-6 to also react to the event from Text Search for Table #1 so that they are updated?
i don't want to have to build 6 different text search iViews (one for each table). i just want to use ONE text search iView for all the different result set tables. but, in the documentation and iView properties, the text search iView doesn't have any eventing.
if you have any suggestions, please help.
many thanks in advance,
mm

hello Donna,
that should not be a problem, since you are detailw with result sets and detail iviews because custom eventing can be defined for those iviews.
Yes, it says "no records" found because an active search and record selection havent' been performed for it (only your main table does).
So, yes, define a custom event, and pass the appropriate parameters and you should be fine.
Creating a custom event between a Result Set iView and an Item Details iView is easy and works. I have done it.
See page 35 of the Portal Content Development Guide for a step-by-step example, which is what I used.
For my particular situation, the problem I'm having is that I want the Search Text iView's event (i.e., when the Submit button is pressed) to be published to multiple iViews, all with different tables. Those tables all share some common fields, which is what the Search iView has, so I'd like to pass the search critera to all of the iViews.
-mm

How can i use one datatable inside the other?

Hi all,
i need help ... i have this page that shows information from a relational table... for example a mapped table "Countries" that has a java.util.Set inside named "Cities" and i would like 2 know how can i do this using jsf...
The display would be like this:
Brasil
Rio de Janeiro
Sao Paulo
USA
New York
Washington
New Orleans
And Goes on... So i guess it would be a dataTable inside the other, right? but i dunno how to do it...
Thanks for any info. cya

this is somehow a messy example. But just focus on the var attribute of outer datatable and how value attribute of inner datatable is referencing it.
<h:dataTable id="table1" value="#{pc_City_state.listofstates.states}" var="varstates" styleClass="dataTable">
               <h:column id="column1">
                    <f:facet name="header">
                         <h:outputText styleClass="outputText" value="StateName" id="text2"></h:outputText>
                    </f:facet>
                    <h:outputText id="text3" value="#{varstates.stateName}" styleClass="outputText">
                    </h:outputText>
               </h:column>
               <h:column id="column3">
<f:facet name="header">
</f:facet>
          <h:dataTable id="table2" value="#{varstates.cities}" var="varcities" styleClass="dataTable">
                                   <f:facet name="footer">
                                   </f:facet>
                                   <h:column id="column4">
          <f:facet name="header">
          <h:outputText styleClass="outputText" value="CityName" id="text6"></h:outputText>
          </f:facet>
          <h:outputText id="text7" value="#{varcities.cityName}" styleClass="outputText">
          </h:outputText></h:column>
          </h:dataTable>
</h:column>
</h:dataTable>

How can I use One Plugin with all his outputs on the region

Hi All
In Cubase I have a PlugIn Manager and when I have a Plugin like Omnisphere with 8 outputs I can route each output on one sequencer region.
Can I do This as same in Logic?
Exemple
I will open a new Midi Instrument on a region. Than I Know I have 8 outputs and than I will have 8 Lines and each line I will create Midi comandos for each output separatly.
can I do this? Or any Idee how can I do this?
Thanks for help
Marco

When you load a plug-in that's capable of multi-output, you do have a menu choice about that when you load it, yeah ?
You can create the additional channels that you need in the mixer - press the '+' button on the channel strip and it does it for you.

How can I use one gmail address on two different macbooks in 'mail'?

I'm using one business gmail address. Me and my girlfriend both have a macbook. Now the gmail address is linked to my macbook. But she wants to use it as well. Unfortunately the 'mail' system won't allow her to sync with the gmail address. And I get messages from gmail saying that someone tried to log in to my account. Which is something I certainly want, but can't change. Does anyone now how I can use 1 gmail address on two different mac's? Thanks

You may be able to change the suspicious account activity message alerts
in your Gmail settings, and check that side of it, since I can use several
means of accessing my Gmail and Google Accounts; and in the past had
shared an account (not google) with another party half a world away when
her email server went down for a month.
The Mail software should not know the difference, unless the setup in there
is not correct; if this is so, then more than what she says would be wrong.
The Google mail Support help site pages should cover this adequately.
Gmail Help - Google Help
https://support.google.com/mail/?hl=en

New to LABVIEW. How can I use one analog channel to trigger acquisiton of a signal on another analog channel?

Similar Messages

Maybe you are looking for