Connection to a mass flow of the FVL-2612 of Omega controller

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  Hello!

  I have a load cell that I currently use to measure weight, but I would get the mass flow rate at the same time, I am able the weight.

  I tried using shift registers to get the current weight value and the old and then subtract x 1 - X 2, and I did the same thing with time to get dt.  So I can split with the other. It's just that I don't get the mass flow on the right. I guess I have to calculate my data acquisition data acquisition rate and how quickly the while loop runs.

  I don't have to work and do not know what I have to divide my signal with or if I need to slow down the loop.

  I know that this task should be easy, but I'm stuck and need a little help. Also, I can't find examples for this task on the forum.

  I enclose the My .VI if you would take a peek.

  Best regards Marulind

  Hello!

  I managed to solve it with registers at offset!

  Greetings Maurlind!

• To connect to the Net material MKS Alta 1480 mass flow controller

  I have a mass flow controller MKS Alta 1480 (MFC), manual of MFC, Labview 8.2 and the NI PCI - CAN card.  I know that the MFC wired correctly because I can work using another program on the PC that uses the deviceNet interface.  I want to talk to her through Labview.   Everything looks OK Explorer measure.  I have the range OR DNET.  I know that the MACID.  I downloaded the EDS of the manufacturer.

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  Normal 0

  Joe, you can read the MFC object sensor analog-S Flow value.

  Class Id 49 0 x (31), Instance Id 1 (0x01), attribute Id 6 (0x06)

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• Faced with setting up a connection RS-485 for a for OR cDAQ mass flow controller

  I'm an absolute beginner from the ground up tries to connect the port RS-485 to a mass flow controller (MFC) Instruments Sierra for the NOR cDAQ.

  The planned route of the person in front of me set up for the connection is:

  (1) cable MFC COM1 to Interface Ethernet 4 ports for RS485/RS422 (DB-9 to DB - 9)

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  The pinout for DB-9 male, shown in the quick reference Guide series of NI is illustrated below:

  

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• Entered analog PCI 6251 not extent of tension of a mass flow controller

  Hey,.

  I have a data PCI 6251 M acquisition with a break in Council SCXI 1302.

  I'm trying to measure a 0 - 5v analogue output voltage from a mass flow controller (check picture of PIN)

  When I measured with a digital multimeter the voltage of the flow signal (PIN2) and common signal (PIN12) I get a stable right tension between 0 and 5v depending on the flow set up. I can control the amount of the charge by providing a data output set point PIN8 and common PIN12 of the 0 - 5V analog signal.

  Now when I connect the signal flow PIN2 and on my DAQ signal common PIN12 AI and AIGND, I don't get readings on my labview VI of the AI. In addition the flow does not meet the setpoint voltage, it get stuck in a range of values no matter how I vary the OD 0 - 5V of data acquisition in setpoint PIN8 and PIN12 common signals.

  I have to add that I tried different ports HAVE with results of sam, and I also tried to measure my supply voltage with my HAVE and all the good work.

  It seems that the entry of AI affects the AO output voltages to my charge. What would cause this? That would be a problem of impedance adaptation?

  Management or ideas are appreciated.

  Thank you

  Ali T.

  Update for anyone that might interest you:

  I not connected to the ground of the power of the mass of the signal of FJA FJA.

  Once I did the acquisition of data reads all data as expected.

  So it turns out not to be a problem of acquisition of data, OR at all, but a game of question for my part, as I suspect is the case with most of the problems.

  Jeff Merci for your comments.

  Ali T.

• Bronkhorst gas mass flow controller is not powered

  Hello

  I have connected the mass flow controller of company BRONKHORST using RS232 to USB to my PC connection, but not flashing LEDs on mfc. I don't know if he needs additional power or not? MFC has only RS232 PIN.

  I have attached the mfc manual and my labview program

  Any suggestion or help would be appreciated.

  Thank you

  Contact Bronkhorst, you need a special cable that connects the MFC to power and in addition it has a RS-232 cable connection. A RS232 can power your device only.

  Take a look at my configuration (it is a regulator of pressure, but is the same for a MFC):

  

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  HyS9RaFramework_epmsystem2-syserr:

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  at com.brio.one.services.globalservicemanager.GSMFactory.getGSM (unknown Source)

  to com.brio.one.client.ClientFactory. < init >(Unknown Source)

  to com.brio.one.client.ClientFactory. < init >(Unknown Source)

  to com.brio.one.client.ClientFactory$ ClientFactoryInitializer.connect (unknown Source)

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  at com.brio.one.client.ClientFactory.getDefaultGSM (unknown Source)

  at com.brio.one.web.properties.ApplicationProperties.getDefaultGSM (unknown Source)

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  to weblogic.servlet.internal.StubSecurityHelper$ ServletInitAction.run (StubSecurityHelper.java:283)

  at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)

  at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)

  at weblogic.servlet.internal.StubSecurityHelper.createServlet(StubSecurityHelper.java:64)

  at weblogic.servlet.internal.StubLifecycleHelper.createOneInstance(StubLifecycleHelper.java:58)

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  Can help kindly out how should I solve this problem.

  I restarted the services and rebooted the Machine but still getting the same error.

  Kind regards

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  Hello

  I've reconfigured the Reporting, analysis, and everything by, I chose "Drop table" and the issue was resolved.

  Kind regards

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