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 Setting up the 4-20 mA output

Setting up the 4-20 mA output feature of the EESIFLO 6000 Ultrasonic Flow Meter involves four distinct steps.

  1. Define the Parameters (PAR on the main menu)
  2. Setting up the 4 to 20 mA output (SF on the main menu)
  3. Select the Output Options (OPT on the main menu)
  4. Enter the Measure Mode (MEA on the main menu)

 Defining the Pipe and Medium Parameters >PAR<
  1. Start by turning the instrument ON by pressing the ON/C button
  2. Plug the Transducers into the receptacle marked Channel A (or B) and the EESIFLO 6000 will automatically detect which transducers are installed.
  3. Using the 4 or 6 keys scroll to PAR (parameters) on the main menu and press ENTER.
  4. Press ENTER again to view Channel A Parameters or use the 2 and 8 keys to select Channel B.
  5. Enter the pipes Outer Diameter then press ENTER.
  6. Or, if the pipes diameter is not known, simply enter 0.00 in the diameter and the EESIFLO 6000 will prompt you to enter the Pipe Circumference.
  7. Next, enter Wall Thickness
  8. Select a Pipe Material by using the 2 and 8 keys to scroll up and down through the available list.
  9. Answer YES or NO to the prompt for Lining. If you answered YES, then enter the Lining Type (using the 2 and 8 keys) and then the Lining Thickness
  10. Enter the internal Roughness of the pipe
  11. Using the 2 and 8 keys, select the Medium (Liquid Type) from the available list.
  12. Enter the approximate Medium Temperature and you'll return to the main menu.

 Setting up the 4 to 20 mA Output >SF<
  1. At the Main Menu, use the 4 and 6 keys to navigate to >SF< Special Functions menu
  2. Scroll down to “System Settings” and press ENTER
  3. Scroll down to “Proc. Outputs” and press ENTER
  4. When the screen displays “Install Output” use the Up (8) and Down (2) Arrows to select “Current I1” then press ENTER.
  5. Use the Left (4) or Right (6) arrows to select >NO< at the “I1 Disable” prompt then press ENTER.
  6. At the “I1 Source Channel” prompt use the Up (8) and Down (2) Arrows to select the channels into which the transducers are plugged (step 2 above). Press ENTER to continue.
  7. At the “Source Item” prompt, use the Up (8) and Down (2) Arrows to select the type of output you want the 4 to 20 mA output signal to reflect, then press ENTER. Select the type of output from the next screen then press ENTER.
  8. At the “I1 Output Range” prompt use the Up (8) and Down (2) Arrows to select “4/20 mA” then press ENTER.
  9. At the “Error-value” prompt use the use the Up (8) and Down (2) Arrows to select which value you’d like output if an error is encountered, then press ENTER.
  10. Hook a multi-meter set to measure mA outputs to the jacks on the back of the EESIFLO 6000 (Positive to Red, Negative to Black) Place the multi-meter in the DC current measuring mode.
  11. At the “Output Test” prompt, enter a valid number between 4 and 20 mA then press ENTER. The value you entered will be output by the EESIFLO 6000 and should appear on the multi-meter.
  12. At the “Again ? no <YES>” prompt you can enter another number to test, or enter NO. It is recommended that you answer YES a number of times and enter a couple of values between 4 and 20 mA to ensure the EESIFLO 6000 is functioning correctly.
  13. Once you’ve answered <NO> to the above prompt you’ll be returned to the System Settings Menu.
  14. Press the red BRK key once and you’ll return to the Main Menu

Copyright 2002 EESIFLO http://www.eesiflo.com