4-20 mA Output Guide
Contents
1. lowRental com Why Buy When You Can Rent The Best LE iLO amp i 219 East Main Street f O Mechanicsburg PA USA 4 17055 Toll Free 866 EESIFLO Fax 717 697 2122 Simplified Installation of the 4 20mA Output feature on the EESiFlo Portalok 7S Ultrasonic Flow Meter Note The 4 to 20 mA output on the Portalok 7S is an ACTIVE OUTPUT Setting up the 4 20 mA output on the Portalok 7S Ultrasonic Flow Meter involves four distinct steps 1 Define the Pipe and Medium Parameters PAR on the main menu 2 Setting up the 4 to 20 mA output SF on the main menu 3 Selecting the Output Options OPT on the main menu 4 Enter the Measure Mode MEA on the main menu Defining the Pipe and Medium Parameters gt PAR lt 1 2 3 4 5 6 7 8 9 Start by turning the instrument ON by pressing the PWR button Plug the Transducers into the meter Press the B button one time to ensure you are at the Main Menu Using the arrow buttons move to the PAR Parameter menu then press the Enter button Enter the pipes Outer Diameter then press the Enter button Or if the pipes diameter is not known simply enter 0 00 in the diameter and the meter will prompt you to enter the Pipe Circumference Enter the pipes Wall Thickness then press the Enter button Select a Pipe Material At the Lining Menu use the arrow buttons to select YES or NO then press Enter If you answered YES then enter the Lining Type and then the L2. Please see page 25 in the Portalok 7S User s Manual for further information At the Transducer Distance screen this indicates how far apart the transducers must be separated Select an appropriate transducer Installation Site by following the guidelines in the manual on pages 17 19 Apply Ultrasonic Couplant to the bottom of the Transducers Install Transducers with arrows pointing in the same direction with the arrow pointing in the normal direction of flow Ensure Transducers are correct distance apart by pressing ENTER and reviewing the SIGNAL STRENGTH as discussed in the manual on page 27 A GREEN signal indicates you have sufficient signal strength to begin measuring A RED signal indicates you should re check your transducers installation Press ENTER again to confirm the transducer separation distance and you will begin displaying the flow data you ve selected and outputting the appropriate value via the 4 to 20mA output Once measurements are complete press the PWR button for 3 seconds to turn the instrument off and it will retain your setup information for your next installation Page 3 of 4 Output Connectors for Portalok 7S Pin WireColor __ Function A White Open Collector Positive _ B Green Open Collector Negative _ Ce p Ree 20a Positive D Black 420 mA Negative Female Output Connector on Inline connector on end of side of Portalok 7S Output Cable Open Collector Positive Open C
3. fault is Flow At the I1 Output Range screen use the arrow buttons to select 4 20 mA then press the Enter button At the Error value screen use the arrow buttons to select which value you d like output if an error is encountered then press the Enter button Hook a multi meter set to measure Active mA outputs to the C Red and D Black terminals on the outputs cable terminal block Place the multi meter in the DC current measuring mode At the 11 Active Loop screen press the Enter button At the 11 Output Test screen enter a valid number between 4 and 20 mA then press the Enter button The value you entered will be output by the Portalok 7S and should appear on the multi meter At the Again screen you can select YES and 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 4 20 mA output feature is functioning correctly Once you ve answered NO to the above screen you ll be returned to the System Settings Menu Press the B button once and you ll return to the Main Menu and the 4 to 20 mA output on your multi meter will drop to 0 mA Setting the Output Options gt OPT lt 1 2 Using the arrow buttons move to the OPT Output Options menu then press the Enter button At the Physical Quantities screen use the arrow buttons to scroll up and down through the available list Once you have found the proper quantity
4. ining Thickness 10 At the Roughness menu enter the estimated internal roughness of the pipe then press the Enter button Default is 0 004 inch 11 Select the Medium by using the arrow buttons to scroll up and down through the available list Once you have found the proper pipe material press the Enter button 12 Enter the approximate Medium Temperature then press the Enter button 13 Enter the amount of Additional Cable then press the Enter button and you ll return to the Main Menu Default is O feet Page 1of4 Setting up the 4 to 20 mA Output gt SF lt 1 2 3 4 5 6 7 10 11 12 13 14 15 16 Plug the Outputs cable into the meter Using the arrow buttons move to the SF Special Function menu then press the Enter button Using the arrow buttons select System Settings then press the Enter button Using the arrow buttons select Proc Outputs then press the Enter button At the Install Output screen use the arrow buttons to select Current 11 then press the Enter button At the I1 disable screen use the arrow buttons to select NO then press the Enter button At the Source Item screen use the arrow buttons to select the type of output you want the 4 to 20 mA output signal to reflect then press the Enter button Default is Measuring value At the Measuring value screen use the arrow buttons to select the output you want the 4 to 20 mA output signal to reflect then press the Enter button De
5. ollector Negative 4 20 mA Positive 4 20 mA Negative Page 4of4
6. press the Enter button Default is Volume Flow At the Volume in screen use the arrow buttons to scroll up and down through the available list Once you have found the proper value press the Enter button Default is USgom Choose a Damping averaging time in seconds then press the Enter button Default is 30s At the Store Measured Data screen select NO then press the Enter button or YES if required At the Serial Output screen select NO then press the Enter button or YES if required Page 2 of 4 7 8 9 At the Current Loop 11 screen select YES then press the Enter button At the Measured Values screen select either Absolute or Signed to indicate if you would like only positive Absolute or both positive and negative Signed flow then press the Enter button Default is Absolute At the Zero Scale Value screen enter a value that will represent the 4 mA output signal then press the Enter button 10 At the Full Scale Value screen enter a value that will represent the 20 mA output signal then press the Enter button 11 At the Alarm Output screen select NO then press the Enter button or YES if required Once entered you will return to the Main Menu Enter the Measure Mode gt MEA lt 1 2 3 4 5 6 7 8 9 Using the arrow buttons move to the MEA Measuring menu then press the Enter button At the Sound Path screen choose a Sound Path that matches your exact needs then press the Enter button
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