How to connect a magnetic flow meter to a 9203 module?

Similar Questions

• How to connect an International ST75 components fluid flow meter to the DAQ system?

  Hello

  I am trying wire a ST75 meter to my DAQ system consisting of a device PCI 6052E DAQ, SCXI 1102 b card and a block to connect SCXI-1300. 1102 b has four 249 Ohm resistors connected to channels 0-3 for use with the current of the flow meter signals.

  The flow meter has two output signals 4-20 my and RTN, SINK, SOURCE and com connections The documentation is not clear how to connect the sensor to the Terminal Board, other than to say if the two output signals is used, one of the sons of RTN are used. So far, I can not get the signal from the flow meter to work in LabView, so I don't know if I have it plugged properly. Currently I have 1 wire OUTPUT on the Terminal Board + CH2, CH2 - wire to the chassis ground terminal and the COM lead on the sensor.

  Thanks in advance.

  Towards the end of the manual there are wiring diagrams:

  http://www.fluidcomponents.com/industrial/library/manuals/flowmeters/ST50, % 20ST 51, 20ST 75% 20Guides %2%...

  SINK/SOURCE/COM are used for pulse ouptuts. It seems that there are two outputs, one for 4-20mA temperature the other for flow.

  The one you need (flow) conjnction with RTN wired to use the + and - (or COM) your DAQ hardware.

  -AK2DM

• Magnetic sensor to the top of analog frequency AC for Turbine flow meter measurement

  Hello!!

  I use the following hardware configuration to measure a flow meter flow turbine.

  Material: 1000 SCXI Chassis

  SCXI 1102 voltage input module

  SCXI-1303 terminal connection block

  Flowmeter: output signal is the frequency of the alternating current (30mv peak-to-peak). Sensor is a magnetic sensor type.

  I tried to convert the signal of output voltage in the area of frequency using the FFT, but I get the wrong data.

  I wonder if anyone can suggest good troubleshooting techniques so that I can understand what is mess up my position or my technique of measurement in labview itself will not completely? (From my understanding I think that I can measure the frequency of the ac voltage signal generated by the sensor of the FFT. By measuring the frequency I can calculate the water flow)

  I am aware that a potential cause might be the ground loop in the system. The signal is based solely on the SCXI-1102 with factory default bias and pullup resistior network. I see no other reason reading wrong or fault in my measurment. Also the flowmter is brand new and there is no risk of damage to the sensor.

  I'm sorry if I'm missing out on any important detail to answer that I am relatively new on the techniques of data acquisition.

  Thank you

  Concerning

  Aditya

  It's conditioning of signals... and that's what you want to do, so it's not so far

  And if your signal about 30mV Ridge to Ridge, it fits perfectly in the beach of crete to 200mV Ridge...  I wouldn't say no need of amplification... the + 100mV is not a minimum of signal, this is the maximum signal in this range

  Hang it up, take a measurement in single channel mode with one all 10kSPS sample rate take 100ms (1000points) and feed in single tone detection...

  display with a graph of signal, stop the vi, in the rigth diagram, click the graph icon and create a constant, save that in a vi and post here if you need help in signal processing

• Omega flow meter sensor daq connection

  Hi all

  I have sensor Omega FTB 1302 and NI DAQ 6229. Sensor has analog output. I do not know how to connect these sensor and daq.please help

  
  

• conversion of turbine flow meter

  Hello

  My apologies for the query, but this software is all new to me. I have a cDaq-9188 8 medium chassis containing several modules including 2 off 9401 counter modules, I run signal express version 6.0.0.

  My problem is that I have 3 miniature flowmeters turbine (GEMS units FT-110 series) which give various pulse widths depending on what is the 5V square waves.  I brought to the entrance of my 9401 and look of good signals so guess that's my express configuration signal which is the cause of the problem,

  I connected the + ve and gnd outputs of the flowmeters Com, DIO1 + Com and DIO3, DIO0 + Com on one of my 9401 cards.

  I can see the increment in the number of pulses on measurement & automation Explorer when I run test for this module Panel and watch the chefs of edge that my system can see the pulse from trains.

  When configuring the express signal I need it to read in l/min, 58-575Hz corresponds to 0.5 to 5 l/min, but I can't seem to convert the pulse in l/min.

  If I select DAQmx acquire > counter entry > frequency it gives me the possibility of updated the custom scale, but every time that I run it I get the error signalling DAQ assistant upward.  I tried many synchronization settings with no luck.  The only time where I have this power as successfully is using counter entry > County of edge, but I'm stuck on how to convert l/min as it has no function of scale (I know!)

  Any help appreciated.

  I think that he is referring to l/min in litres per minute, and I guess the Freq of flow are the values of this compilation on the scale.
  If this is the case; Carl, it seems to me you must configure a custom scale. You can do it in the channel settings tab in the DAQmxAcquire stage. Under custom scale select Create new, and then select map scale. Min/max Freq should match your flow min/max.

  I have attached a few screenshots for reference.

  Let us know if we are on the right track, otherwise we might need more information; FOR EXAMPLE. file seproj and a bit more info on the flow meter (type of connection, the output signal, etc.).
  In addition, a brief look at the documentation on this flow meter recommends the use of a pull-up resistance. Might want to look there as well.

• How to connect to the list of the pins for a redeclenchables pulse train

  Hello

  I'm relatively new toDAQmx, especially for the counters. I have problems to determine what pins to plug on the DAQ card. I would like to run the vi described here, but am not sure how to connect the card. I looked at the manual of the X series for the pinout descriptions, but I don't know how they apply to the program on this page. When I connect DOOR a meter, THE, A, B pins, etc.?

  Any input on what to connect or pages that may make how to connect the counters would be very useful.

  Thank you.

  Your most recent post of links to an example more advanced sounding & I recommend that stick you with something simple to start.

  Your first post links to such an an example where the signal of pulse train going out of Ctr0_Out.  Ctr1 is used to make the trigger and the 'break' (enable / disable) Ctr0.  However, much of this stuff is configured using some features of DAQmx such that you don't need to physically connect the pins between the two counters.

  Only physical wiring that you need is to plug your physical digital trigger to the PFI1 signal and connect Ctr0_Out to some external thing must receive them.  As long as your device is called "Dev1", I think this example to work.

  I know there are some docs useful for more general info on the pins meter & behavior, but I don't remember quite so that I have not watched for them for many years.  Meanwhile, here is a * little * bit General description I wrote myself once.

  -Kevin P

• Help explain the flow meter VI

  After a lot of tinkering, I seem to have developed an effective VI for use with a type/pelton turbine flowmeter. The flow meter outputs a stream of pulses which

  can count on the counter of my 6501 line. Unfortunately this eureka moment happened somewhat by chance, and I'm hoping someone

  could be kind enough to explain step by step or in terms very simple for beginners (me) works of VI, thank you.

  Kind regards

  GER

  GER,

  Welcome to the Forums and LabVIEW.

  If you don't the have already made, please work through the tutorials online to get started with LabVIEW. The answers to some of the questions you may have are probably there.

  A brief description of your VI:

  1. the overall structure is a loop For. It works for the number of iterations that is connected to the Terminal in your case 5 N.

  2. the calendar of the loop is determined by the longest time required for any part of the code inside the loop execution. On the first iteration, the DAQ Assistant configures the counter and starts measurement. On all subsequent iterations, he reads everything simply an indictment. On these iterations, the 25 les 25 ms ms expect will dominate. This VI runs approximately 40 iterations per second (for 5 iterations).

  This means that the program will take place on 5 * 25 ms = 0.125 sec and then stops. If you run for more 1/8 of a second to help run it continuously button, STOP. Which is intended for certain types of troubleshooting only.

  3. the table of waveform and the flow rate meter only shows the last value of the five iterations. (This suggests also that you use run continuously)

  4. the registers at offset in this VI nothing do. The upper shift register calculates the cumulative number of the flow meter, but the result is never used. The underpass registry has nothing connected to the Terminal inside the loop on the left. It could be replaced by a terminal.

  Suggestions:

  1. in order to avoid using run continuously, replace the loop with a while for loop. Add a stop button on the front panel and connect it to the stop it real terminal in the loop. Move the graphic terminals of waveform and flow inside the loop.

  2 check your pulse to the algorithm of flow rate. The time for the count interval must be considered.  For example if the meter registers 25 pulse in 25 Member States, which represents 1 000 pulses per second. This isn't which will show your VI.

  3. see examples of code that uses counters.

  Lynn

• If I have the two LOV in the same table then how to connect when I select first and second LOV value also change?

  Mr President

  If I have the two LOV in the same table then how to connect when I select first and second LOV value also change?

  My two fields are FLOW AND DR_NAME

  FLOW = ACCT_ID

  DR_NAME = ACCT_NAME

  I created with success of LOV for these fields.

  First LOV gives acct_id in the debit field and second LOV gives the value of acct_name to dr_name.

  How can I report these lov, it's that when I change my acct_id then acct_name also change

  I have these two tables

  CREATE TABLE "NOM"  (
    "ACCT_ID" VARCHAR2(7) NOT NULL ENABLE, 
    "ACCT_NAME" VARCHAR2(50) NOT NULL ENABLE, 
    "O_BAL" NUMBER(13,2),
    CONSTRAINT NOM_PK PRIMARY KEY ("ACCT_ID")ENABLE
     
     );
  CREATE TABLE "VOUCHERDET" (
    "V_ID" VARCHAR2(9) NOT NULL ENABLE,
    "LINEITEM" NUMBER ,
    "DEBIT" VARCHAR2(7) , 
    "DR_NAME" VARCHAR2(50), 
    "CREDIT" VARCHAR2(7) , 
    "CR_NAME" VARCHAR2(50), 
    "PARTICULARS" VARCHAR2(100), 
    "AMOUNT" NUMBER(21,2),
  CONSTRAINT VOUCHERDET_PK PRIMARY KEY ("V_ID","LINEITEM")ENABLE, 
  CONSTRAINT PUR_SAL_LINE_POD_FK FOREIGN KEY(PROD_ID)
    REFERENCES PRODUCTS (PROD_ID)ENABLE,  
  CONSTRAINT VOUCHERDET_DEBIT_FK FOREIGN KEY ("DEBIT")
     REFERENCES "NOM" ("ACCT_ID") ENABLE, 
  CONSTRAINT VOUCHERDET_CREDIT_FK FOREIGN KEY ("CREDIT")
     REFERENCES "NOM" ("ACCT_ID") ENABLE,  
  CONSTRAINT VOUCHERDET_V_FK FOREIGN KEY ("V_ID")
     REFERENCES "VOUCHER" ("V_ID") ON DELETE CASCADE ENABLE
    );
  
  

  Concerning

  so, instead of this second ActId, choose ACCT_NAME:

  

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