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Summary of Contents for Xylem MJK 713U
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Page 1: Mjk 713 System Package
Manual MJK 713 Open Channel Flowmeter US 3.10 713 FLOW CONVERTER 1905 - SW 833062 1.888.610.7664 www.calcert.com sales@calcert.com... - Page 2 Manual Declaration of Conformity Konformitetserklæring Declaration of Conformity Konformitätserklärung We, MJK Automation A/S, Wir, MJK Automation A/S, Vi, MJK Automation A/S, DK-3460 Birkerød, declare DK-3460 Birkerød, erklären in DK-3460 Birkerød, påtager os det fulde ansvar for at produktet under our sole responsibility alleiniger Verantwortung, that the product dass das Produkt...
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Page 3: Table Of Contents
Manual Contents Introduction Safety instructions Repair Hazardous areas Product identification Mounting General Explosion hazardous areas Mechanical mounting MJK 713 Flowmeter Shuttle Ultrasonic Sensor ® Measuring distances for Parshall flumes Measuring distances for Palmer & Bowlus flumes Measuring distances for rectangular weirs Measuring distances for V-notch weirs Measuring along a wall or other plane Flow measurement with smaller flumes / weirs... - Page 4 Manual Function keys Indication menus Flow key Q(t) Configuration menus Totalizer key SQ(t) Alarm key Appendix Power loss alarm A Factory settings Sample key B Trouble shooting Menu key C Technical specifications D Hardware adjustments System Configuration E Max. head to max. nominal flow 1.0 Set basic parameters 1.1 Set date and time 1.2 Access code enabled/disabled...
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Page 5: Introduction
Hazardous areas All current local and national standards, regulations MJK Automation A/S is a Xylem brand. regarding installation and use of Ex or hazardous zone approved equipment, certifications and safety instructions for Ex equipment, that have been used together with the installation of the Shuttle ®... -
Page 6: Product Identification
Manual Product identification Mounting General General A standard MJK 713 is delivered for two different measuring MJK 713 measures the flow in an open flume or weir ranges (0 - 3 ft and 0 - 10 ft). based on the level of the head in the flume. The method It is very important that the measuring range is correct of measurement are based on the following mathematical for the flume in question in order to obtain maximum... -
Page 7: Mechanical Mounting
Manual Mechanical mounting MJK 713 Flowmeter Shuttle Ultrasonic Sensor ® The MJK 713 Flowmeter is in NEMA 4X enclosure and The following are extremely important when can be mounted outdoors directly on a wall or in a panel mounting the ultrasonic transmitter: using a panel mounting kit (order no. - Page 8 Manual 3: The ultrasonic sensor should be installed so that the bottom of the sensor is as close as possible to the max. height of the head but not closer than the blocking distance. Measuring range: 0 - 3 ft 0 - 10 ft Blocking distance: 16”...
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Page 9: Measuring Distances For Parshall Flumes
Manual 4: Mount the sensor in the correct upstream distance Measuring distances for rectangular weirs from the head in the flume / weir. - with and without side contraction The distance depends on the dimension and type of flume / weir. Measuring distances for Parshall flumes Throat width b: Distance L:... -
Page 10: Measuring Along A Wall Or Other Plane
Manual Measuring along a wall or other plane The spread of the ultrasonic signal The values in table 1 assume the ultrasonic signal is sent The table and illustration below show the spread of the along a smooth surface like a wall or plane without any ultrasonic signal in conjunction to the measuring distance: projections, joints, butts etc. -
Page 11: Measuring Through A Concrete Deck
Manual Measuring through a concrete deck When the ultrasonic sensor is measuring through a con- crete deck, the dimension of the opening should be made as shown below: (See table 1 for the sensor spread.) Min. diameter (D) = sensor spread + 100 % Measurement through a concrete deck with sharp edge. -
Page 12: Model 3100 Hydrostatic Transmitter
Manual Model 3100 Hydrostatic Transmitter 3: Mount the transmitter in the correct upstream The following directions should be followed when mount- distance from the contraction in the flume / weir. ing the pressure transmitter: The distance depends on the dimension and type It should be mounted securely - preferably on of flume / weir. -
Page 13: Measuring Distances For Rectangular Weirs
Manual Measuring distances for rectangular weirs - with and without side contraction The distance L should be between 4 to 5 times the nomi- nal width b. Measuring distances for V-notch weirs The distance L should be between 3 to 4 times the height h of the notch. -
Page 14: Electrical Mounting
Manual Electrical mounting MJK 713 must not be connected to the power supply before the ultrasonic sensor / pressure transmitter is mounted and connected correctly. MJK 713 is supplied from the mains on terminal “0” and “P”. Current regulations for conductor and fuse dimensions should always be observed. -
Page 15: Cable Extension
Manual Cable extension The cable is delivered with the wires stripped as shown One of the most common faults on a MJK 713 with the black wire (no. 5) soldered to the shield: installation is bad or faulty cable connections. It is recommended to use a MJK connection box if the sensor cable must be extended. -
Page 16: Hydrostatic Transmitter
Manual Hydrostatic transmitter When the cable is cut, 7 wires will appear: The pressure transmitter are delivered with 40 ft of cable as standard. The cable can be lengthened with any type of cable using MJK connection box 202922. Although the measuring signal is not sensitive to electrical noise, we recommend ➀... -
Page 17: Display And Keyboard
Manual Display and keyboard Display ESCape MENU Arrow keys 2 x 24 character back- This key allows you to change back to the main By pressing the MENU key, The arrow keys are used lit display for indication menu or to undo a new choice. By pressing the display will change to for changing a current of menus and values. -
Page 18: Initial Startup
Manual Initial startup The max. flow range determines the range of the mA out- MJK 713 will show the following display at power-up: put. MJK 713 will calculate the max. level based on the desired max. flow for the selected primary device, and set the analog output to give out 20 mA at the max. -
Page 19: Indications
Manual Indications At the front of the flow converter, there are 4 function Totalizer Key. keys: the flow rate key Q(t), the totalizer key Σ Q(t), the See also page 20. alarm key ALARM and the sample key SAMPLE. When one of these keys is pressed one or more times, the different function menus appear. - Page 20 Manual Function keys Totalizer key SQ(t) Flow key Q(t) This key will give access to indication of summed quanti- This key shows the values of the relevant flow, as well as ties. various average values. F5 Totalizer F1 Flow Press once for: Press once for: Here the total quantity is indicated, from when the value Here the instantaneous actual flow is shown.
- Page 21 Manual Alarm key Sample key The digital outputs can be configured as alarms of one of If one or more of the digital outputs are configured for the following alarm types: high flow, low flow and sensor controlling a sampler, pressing this key will give following error.
- Page 22 Manual Menu key Access denied What happens when the wrong access code is keyed in: This key gives access to the configuration menus with readout and programming of the submenus. A selection is made with the arrow keys (up or down) and It will not be possible to make changes in the setup.
- Page 23 Manual System Configuration 2.0 Set sensor parameters 1.0 Set basic parameters Access is obtained by pressing ENTER. Press MENU Access to the configuration menus are obtained by once to enter the main menu. pressing ENTER twice. 2.1.1 Distance from zero to bottom of sensor 1.1 Set date and time (MJK 713 2500 only.) Time and date is adjusted with the arrow keys, followed...
- Page 24 Manual 3.0 Choose primary device 3.5.2 Select decimal point for the flow values Select the type of flume/weir or flow calculation formula. Select the decimal point and 10/100/1000 multiplier for 6 options are available: Parshall flume, Palmer & Bowlus the flow points between flume, V-notch weir, rectangular weir, linearization and op- X.XXXX and XXXXX000 tional flow formula.
- Page 25 Manual 3.7 Flow range / level range 4.0 Set digital output parameters Press ENTER for configuring digital outputs or press MENU for MAIN MENU This menu is mainly used to set the span of the mA out- 4.1 Select digital outputs (1-5) put in relation to the calculated flow, but can also be used Configuring of the five digital outputs.
- Page 26 Manual 4.7 Choose delay on signal 5.0 Analog output 0-20 / 4-20 mA The time limit for an alarm must be exceeded before a Select between 0-20 or 4-20 mA output. Select with ar- row keys, confirm with ENTER. DO is activated. The format is as follows - min:ss The maximum delay is 99 minutes and 59 seconds.
- Page 27 Manual Menu chart Indication menus Configuration menus Flow rate key Press 1 X: Average flow rate 1 hr Press 2 X: Average flow rate today Press 3 X: Average flow rate 24 hr Totalizer key Press 1 X: Totalizer 1 hr Press 2 X: Totalizer today Press 3 X: Totalizer last 24 hr In the last selection the...
- Page 28 Manual Configuration menus 2.1.1 2.1.2 US 3.10 713 FLOW CONVERTER 1905 - SW 833062 1.888.610.7664 www.calcert.com sales@calcert.com...
- Page 29 Manual Configuration menus 3.4.1 3.5.1 3.6.1 3.4.2 3.5.2 3.6.2 3.5.3 3.6.3 3.5.4 US 3.10 713 FLOW CONVERTER 1905 - SW 833062 1.888.610.7664 www.calcert.com sales@calcert.com...
- Page 30 Manual Appendix A Factory settings Basic parameters: Factory setting: Current settings: Access Code: Disabled (Code: 1111) Measurement Level: Inches Measurement Volume: Gallons Measurement Flow: Sensor distance: 56 in / 150 in* Averaging of Level: 1 sec. Range for flow: 1,000 MGD / 10.00 MGD* Flow Calculations Parshall Flume: 6’’...
- Page 31 Manual Appendix B Trouble shooting e r i n i t ¼ o i t r i f t i l i l t a t l t n i . l e . y r q i l t l u ' n i o i t .
- Page 32 Manual Appendix C Technical specifications Ultrasonic Sensor - one year warranty 713 Series Open Channel Flowmeter Measuring range: 0 - 3 ft., 0 - 10 ft. Measuring ranges: 0 - 3 ft., 0 - 10 ft. or custom ranges Frequency: 30 / 75 kHz Dimensions: Height 7.28 “, width 9.45 “, depth 4.53 “...
- Page 33 Manual Appendix D Hardware adjustments Pressure measuring circuit MJK 713 is factory adjusted to general applications. If RESP. parts are replaced or at special applications a secondary ZERO adjustment might be necessary. Below is shown which FAST SLOW adjustments might be necessary to carry out ”in field”. SPAN Ultrasonic measuring circuit GAIN...
- Page 34 Manual Appendix E Rectangular weirs with side contractions Max. head to max. nominal flow Parshall flumes, 1 to 144 in Dimension: Max. head: (Max. nominal flow) [ft] [CFS] Dimension: Max. head: (Max. nominal flow) 1 ft w. contraction 0,50 1,060 [ft] [CFS] 1½...
- Page 35 Manual V-notch weirs Dimension: Max. head: (Max. nominal flow) [ft] [CFS] 22,5° V-notch 2,00 2,811 30° V-notch 2,00 3,824 45° V-notch 2,00 5,855 60° V-notch 2,00 8,163 90° V-notch 2,00 14,14 120° V-notch 2,00 24,49 The values stated are valid only for contractions constructed with the minimum dimensions as shown in above figure.
- Page 36 Manual US 3.10 713 FLOW CONVERTER 1905 - SW 833062 1.888.610.7664 www.calcert.com sales@calcert.com...
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