Implementing multiple tasks on one hardware

Hi,
i am anil, i am using NI CDAQ 9188 Chasis, for NI 9237 of 5 numbers, for load cells measurment,
for my application i have requirement of acquiring reading from all channels simultaneously, and i need to scale them independently.
while configuring tasks how we can implement multiple task.
how we can operate module 1 with 3.3 V, module 2 with 2.5 excitation voltages
how can we scale different scaling factors for each channel.
with regards
A Anil

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How to implement multiple queues in one circular buffer?

Spoiler (Highlight to read)
Recently I have successfully shared data of 2D array among different vis in a project, using circular buffer.
However, there is only one circular buffer allowed in one project for one data type.
I want different vis, running and getting data from circular buffer in different speed, all getting data as a queue from circular buffer. Like the circular buffer's read continuous mode.
The problem is that after a vi reads in continuous mode, the read data is deleted from the circular buffer. Then other vis can not use them any more and can not keep track where they should begin to read again.
So if it is possible that there are multiple pointers or queues in circular buffer to keep track the progress of different vis, and data only update when it gets input from DAQ but not deleted when read?

LawrenceChong wrote:
Spoiler (Highlight to read)
Recently I have successfully shared data of 2D array among different vis in a project, using circular buffer.
However, there is only one circular buffer allowed in one project for one data type.
I want different vis, running and getting data from circular buffer in different speed, all getting data as a queue from circular buffer. Like the circular buffer's read continuous mode.
The problem is that after a vi reads in continuous mode, the read data is deleted from the circular buffer. Then other vis can not use them any more and can not keep track where they should begin to read again.
So if it is possible that there are multiple pointers or queues in circular buffer to keep track the progress of different vis, and data only update when it gets input from DAQ but not deleted when read?
THe last time I wrote a multi-subscriber cirular buffer was in LV 6. Since then I have found that polymorphic queues perform much better so I now use multiple queues. One queue for each subscriber of the data. The subscribers are then responsible for maintaining their own histories.
So just use multiple queues.
Ben
Ben Rayner
I am currently active on.. MainStream Preppers
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Multiple tasks with one click

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You need to fully explain the setup. Otherwise, people making suggestions are just guessing. Here's my suggestion, based on what little information you have provided:
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5. Draw an object. Send it to Layer Blue. Type "Blue" in its Note.
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7. Actions Palette: New Action. Name the Action "Red." Set its color to red. Start recording:
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7.3 Apply Graphic Style Red
7.4 Stop recording.
8 Actions Palette: Select the Cut step. From the flyout menu select Select Object.... In the resulting dialog, enter "Red". OK the dialog. The Action should now have a new Set Selection step listed after the Cut step.
9. Actions Palette flyout menu: Button Mode.
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10. Turn off Button Mode. Duplicate the Action. DoubleClick the duplicate. Change its name to Green and its color to green. Edit its Set Selection step to select the object named Green. Replace its Graphic Style step with a step that applies Graphic Style Green.
11. Similarly duplicate and edit one of the two Actions to create a Blue Action. Put the Actions palette back in Button Mode.
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Now come back and reveal the specifics of your actual situation which renders all that work moot.
JET

Need to find a calendar to schedule multiple assignments with multiple tasks set on specific days for multiple people

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check with T-code TPM44
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We are creating a view based on our BPM process and we are using OBPM 11.1.1.4. We do have 2 human workflow tasks in the process.
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Hi Mikael,
First of all, which Project Server version do you use?
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11g Multiple Rpd on one BI server connecting to two different data marts

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Did anyone tried and successfully implemented multiple rpds on one bi server. I have similar requirement in one of the clients place.
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Create multiple Task Instance from one Task Instance

We have a process, where user can request for multiple resources(access) in one single request.Currently user has to wait until all the resource requests are approved by application owners to start the provisioning process.
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We have a process, where user can request for
multiple resources(access) in one single
request.Currently user has to wait until all the
resource requests are approved by application owners
to start the provisioning process.
I am thinking of splitting that one request(task)
into multiple task, based on the number of resources
requested.so that, if one resource request is
approved user can get that particular access.
My question :
1.How will I split the one task into multiple task
and pass the required information to child task?
2.How do I handle views?Currently since its one task
, we checkout and check-in the same view.
3.How will I overcome the possibility of one view
overwritten by the other.
Thanks.Hi,
yes u can split one task into multiple task means as ur requirment diffrent task for different resource. so u have to write diffrent W/F for each resource and call them by setting a counter for number of resource.
the below code help u.
<Variable name='index'>
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<Activity id='1' name='createNewTask'>
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                         <s>give any name to the task</s>
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               <Argument name='process'>
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               <Transition to='incrementIndex'/>
</Activity>
     <Activity id='2' name='incrementIndex'>
          <Action id='0'>
               <set name='index'>
                    <add>
                         <ref>index</ref>
                         <i>1</i>
                    </add>
               </set>
          </Action>
          <Transition to='createNewTask'>
               <lt>
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                    <ref>length</ref>
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Lightroom 5 slowdown, my post processing times have tripled and the develop tasks take multiple seconds for one adjustment, Please Help. . . .

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Selection one or multiple task

Hi,
i'am working with labview 2013 and I would like to select on the front panel one or several task of input analog measure, i know how to do with one task but i don't know how to do with multiple task, could i merge two task in one?
Thanks!
Solved!
Go to Solution.

s² wrote:
Hello,
Some channels are associated with a device (for example Ai0:6 to device 1 and Ai7:10 to device 2) and i want to have the possibility to select what device i want to "measure" by selecting it very simply on the front panel (for example with a single/multiple task selection system)
thanks
And your problem is what exactly?
Jeff

One ViewObject Instance on multiple task flow

Hi all,
I am using Jdev 11.1.2.2. I have a Application Module and a view object defined in it.
I am trying to use the same view object in multiple taskflow.
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ViewObject vo = this.getDepartentVO();
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vc.resetCriteria();
ViewCriteriaRow vcr1 = vc.createViewCriteriaRow();
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Edited by: Sam47 on 25-Oct-2012 23:43

grammatically :) No idea what you are trying to say with that.
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Can i use multiple-Swfs in one page to implement the real multi-thread?

When there are multiple .swfs in one web page, if there will be multiple instaces of flashPlayer and run in multiple thread ?-- Per Swf Per instance and Per thread, is it?

hi,
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LabVIEW FPGA: Multiple SCTL versus one SCTL (same clock domain)

Hello NI forums,
Question:
See the attached picture from a modified version of the LabVIEW DRAM FIFO example. It probably explains my question more effectively than the paragraphs below.
What is the difference to the LabVIEW / Xilinx compiliers, if any, between placing two independent branches of code in the same SCTL, versus placing them in individual SCTLs (in the same clock domain)?
Misc. comments:
I have briefly experimented with this concept using the included LabVIEW DRAM FIFO example (example finder >> Hardware Input and Output >> FlexRIO >> External Memory >> Simple External Memory FIFO.lvproj).
I compiled the default example (the read and write interfaces are in separate 40MHz SCTLs) five separate times. Then I put the read and write interfaces in the same 40MHz SCTL and compiled another five times. The result (when both read and write interfaces were in the same SCTL) was a reduction in resource usage (according to the compilation summary).
However, due to my lack of knowledge I'm hesitant to conclude that placing everything in one SCTL is always the best option. For example, I do not know what is created 'behind the scenes' with each SCTL. Perhaps putting independent branches of code in separate SCTLs makes it possible to route clock, reset, implicit enable, etc. signals more effectively.
Background information:
My task involves acquiring 2 channels of analog data using the NI 5772 and PXIe-7966. Data acquisition takes place in a 200MHz SCTL, and downstream processing is performed in a 100MHz SCTL.
During a vast majority of the 100MHz SCTL processing stages of the FPGA VI, the 2 channels of data do not interact with eachother. So it would be easy for me to place them in separate 100MHz loops if doing so would somehow help the design (timing, resource usage, etc.).
Thanks!
Attachments:
question.png ‏76 KB

Intaris
Trusted Enthusiast
Posts: 3,264
Re: LabVIEW FPGA: Multiple SCTL versus one SCTL (same clock domain)
‎10-28-2014 12:11 PM
Just out of interest, what is the resource usage differential between the two versions?
In response to the above comment,
This is a little embarrassing, but it seems like the resource usage is similar than I initially thought for this particular example. I think the previous compilations that I based my assumption on coincidentally used more resources in the 2-SCTL loop case. I just compiled each version two additional times (see below).
Here's the version with everything in one loop:
Device Utilization
Total Slices: 17.6% (2587 out of 14720)
Slice Registers: 9.5% (5583 out of 58880)
Slice LUTs: 8.2% (4855 out of 58880)
DSP48s: 0.0% (0 out of 640)
Block RAMs: 2.5% (6 out of 244)
Device Utilization
Total Slices: 16.9% (2493 out of 14720)
Slice Registers: 9.5% (5583 out of 58880)
Slice LUTs: 8.3% (4858 out of 58880)
DSP48s: 0.0% (0 out of 640)
Block RAMs: 2.5% (6 out of 244)
Here's the version with the read and write in separate loops:
Device Utilization
Total Slices: 16.4% (2407 out of 14720)
Slice Registers: 9.5% (5583 out of 58880)
Slice LUTs: 8.2% (4852 out of 58880)
DSP48s: 0.0% (0 out of 640)
Block RAMs: 2.5% (6 out of 244)
Device Utilization
Total Slices: 19.4% (2859 out of 14720)
Slice Registers: 9.5% (5583 out of 58880)
Slice LUTs: 8.3% (4859 out of 58880)
DSP48s: 0.0% (0 out of 640)
Block RAMs: 2.5% (6 out of 244)

Multiple iPods on One Vista Computer

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Implementing multiple tasks on one hardware

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