Milltronics MultiRanger Plus Instruction Manual
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Milltronics MultiRanger Plus Instruction Manual

Milltronics MultiRanger Plus Instruction Manual

Programmable level system
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MULTIRANGER
PLUS
PROGRAMMABLE
LEVEL SYSTEM
Instruction Manual
PL-443
June 1995
33454430
PRR 1.1

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Summary of Contents for Milltronics MultiRanger Plus

  • Page 1 MULTIRANGER PLUS PROGRAMMABLE LEVEL SYSTEM Instruction Manual PL-443 June 1995 33454430 PRR 1.1...

  • Page 3: Table Of Contents

    Table of Contents General Information Important 1 - 1 MultiRanger Plus 1 - 1 Specifications MultiRanger Plus 2 - 1 Programmer 2 - 2 Transducer 2 - 2 Temperature Sensor 2 - 2 Current Output Isolator 2 - 2 Cabling...
  • Page 4 Functional Transceiver 5 - 1 Damping and Process Rate 5 - 1 Temperature Compensation 5 - 2 Sound Velocity 5 - 2 Blanking 5 - 3 Agitator Discrimination 5 - 4 Relays General 5 - 4 Function Alarm 5 - 5 Pump 5 - 6 Miscellaneous...
  • Page 5 Parameter Description Parameters 7 - 1 Troubleshooting General 8 - 1 Oscilloscope 8 - 1 Troubleshooting Guide 8 - 3 Maintenance Maintenance 9 - 1 Appendices Sound Velocities 10 - 1 Glossary 10 - 2 Alphabetical Parameter Listing 10 - 4 PL-443...

  • Page 7: General Information

    The echo is processed by the MultiRanger Plus and the time at which the ultrasonic pulse hits the level or target is extracted and compared to the time at which it was sent. The time differential is then converted into distance, material level, volume, flow or differential level as a basis for display, relay control, analog output and totalling.

  • Page 9: Multiranger Plus

    SPECIFICATIONS MULTIRANGER PLUS » 100/115/200/230 V ±15%, stab selective Power: » 50/60 Hz, 15 VA » optional: » 12 V dc model, 10 to 18 V dc » 24 V dc model, 18 to 36 V dc Fuse: » 1/4 amp MDL Slo-Blo or equivalent Range: »...

  • Page 10: Programmer

    CURRENT OUTPUT ISOLATOR (Optional, refer to PL-293) Model: » LIs-1 loop isolator Input: » 4 - 20 mA dc (from MultiRanger Plus) Output: » 4 - 20 mA dc into 600 ohm max Isolation: » 300 V ac continuous Common Mode Rejection »...

  • Page 11: Installation

    INSTALLATION MULTIRANGER PLUS The MultiRanger Plus should be mounted in an area that is within the unit’s ambient temperature range, and is suitable for CSA type 4 enclosures and polycarbonate material. The front cover should be accessible for programming and viewing.

  • Page 12: Circuit Board Layout

    CIRCUIT BOARD LAYOUT optional isolator daughter board 10 to 18 V dc operation 12 V dc model motherboard 18 to 36 V dc operation 24 V dc model PL-443 3 – 2...

  • Page 13: Interconnection

    INTERCONNECTION All wiring must be done in conjunction with approved conduit, boxes and fittings and to procedures in accordance with all governing regulations. Note : — — — — indicates customer wiring in all diagrams. INSTALLING THE TRANSDUCER Basic Wiring white / black shield...

  • Page 14: Selecting Temperature Source

    SELECTING TEMPERATURE SOURCE TS-3 or Program Integral Sensor (transducer) board ‘B’ board ‘B’ CURRENT OUTPUT mA Output - GROUNDED (additional to basic wiring) Note : TB1-2 is internally connected to electrical ground TB1-28. to customer’s equipment maximum loading 350 Ω mA Output - FLOATING (additional to basic wiring) mA output wiring into floating input ONLY.

  • Page 15: Current Output Isolator

    CURRENT OUTPUT ISOLATOR If the isolator has not been factory installed, mount it on the upper left hand corner of the motherboard using the two long machine screws provided. The input terminals of the isolator are then connected to the motherboard output terminals,TB-1, using twisted pair maximum 16 gauge wire.

  • Page 16: Synchronization

    SYNCHRONIZATION In applications where more than one MultiRanger Plus, up to a maximum of 8, are going to be used or where their transducers will be sharing a common conduit, synchronization is required. When synchronized, no MultiRanger Plus(s) will transmit within 180 msec of the prior one(s).

  • Page 17: Power Connections

    POWER CONNECTIONS ac Volage Selection The MultiRanger Plus accepts 100, 115, 200 or 230 V ac per jumper ‘J9’ (board B) selection or 10 to 36 V dc. ac Power 12 V dc Model 24 V dc Model select voltage via J9...

  • Page 18: Programmer

    In order to program the MultiRanger Plus, a programmer ( which has a magnetic back plate ) must be placed into the front cover recess on the MultiRanger Plus. Be sure to keep it away from objects such as floppy disks that are susceptible to damage from magnetic fields.

  • Page 19: Start Up

    The program mode is selected by pressing the Run/Cal key. This mode will enable the user to program the MultiRanger Plus to suit his preference and to the particular application to which the MultiRanger Plus is being applied.

  • Page 20: Program Mode

    PROGRAMMER KEYPAD All entries are made via the programmer keypad. Run Mode Press the associated key to view. H TOT • high total; P-2 = 4 or 5 (P-55) • PT 1; press to view level at DLD transducer #1 P-2 = 3 L TOT •...
  • Page 21 Program Mode numeric entry decimal point entry negative entry clear display completes access into program mode enter run mode CA L press to make MEAS a measurement increments display to show the next parameter decrements display to show the preceeding parameter alternates display to show either the parameter number or DISP...

  • Page 22: Legend

    All entries are made via the programmer keypad. All programmers are interchangeable, thus any programmer can be used in conjunction with any MultiRanger Plus. Apply power to the MultiRanger Plus and place the programmer in its front cover recess. will be momentarily displayed and then a distance reading e.g.
  • Page 23 To set a parameter: access desired parameter e.g. P-20 display parameter value e.g. 0 DISP select new option e.g. 5 new value is entered and displayed e.g. 5 ENTER To reset a parameter to its factory value: e.g. reset P-20 display parameter value DISP display will go blank...

  • Page 24: Common Display Messages

    COMMON DISPLAY MESSAGES cable loss of echo » messages CAbL and LOE will alternately flash, indicating open or short circuited transducer connection have entered » appears after pressing program mode "RUN/CAL" key clear all parameters » P-99 - return factory setting overflow »...

  • Page 25: Transceiver

    FUNCTIONAL TRANSCEIVER The MultiRanger Plus transceiver will transmit via the transducer, a set of long and/or short pulses per measurement. The number and duration of the pulses is dependent upon P-88. A short pulse has a maximum measurement range of 2 m (6.6 ft) from the transducer face.

  • Page 26: Temperature Compensation

    In order to provide compensation for uniform temperature variances of the sound medium, temperature compensation is provided. Temperature compensation consists of on board circuitry in the MultiRanger Plus and the integal (transducer) temperature sensor. The integral temperature sensor uses the transducer’s wiring and input terminals (TB1 - 8/9) to interface with the on board circuitry.

  • Page 27: Blanking

    P-63, velocity at 20 °C can be used to enter the known velocity at 20 °C of sound in a particular gas or vapour to view the resultant velocity of a sound velocity compensation, normalized to 20 °C. P-64, velocity at P-65, can be used to enter the known velocity of sound in a particular gas or vapour, or to view the resultant velocity of a sound velocity compensation, at the temperature of P-65.

  • Page 28: Agitator Discrimination

    5 consecutive measurements nor will it change unless the echo is farther for at least 2 consecutive measurements. This feature allows the MultiRanger Plus to remain locked on the true echo, even if there are occasional false echoes due to the agitator blades, electrical noise or crosstalk from other ultrasonic units.

  • Page 29: Alarm

    Function Alarm level : - in high alarm, the function goes on when the level rises to the ON setpoint and goes off when the level lowers to the OFF setpoint. In low alarm, the function goes on when the level lowers to the ON setpoint and goes off when the level rises to the OFF setpoint.

  • Page 30: Pump

    Pump level : - in pump down, the function goes on when the level rises to the ON setpoint and goes off when the level lowers to the OFF setpoint. In pump up, the function goes on when the level lowers to the ON setpoint and goes off when the level rises to the OFF setpoint.

  • Page 31: Miscellaneous

    Miscellaneous totalizer and samplers : - refer to Application Pump Totalizer and OCM . Relays are normally de-energized, contact closure is approximately 200 mSec duration. scanner : - this function is specific to relay 5 and the DLD mode of operation. The transducer hot is wired to the common terminal of the relay so that when switched, the transceiver may alternately access transducer #1and #2.
  • Page 32 Keep power disconnected at main breaker when MultiRanger Plus cover is opened. Relay Function Vs Mode of Operation It should be noted that some relay functions can not be used in certain modes of operation.
  • Page 33 RELAY PROGRAM CHART Relay 1 Relay 2 Relay 3 Relay 4 Relay 5 Relay Function Fctn Setpoints Fctn Setpoints Fctn Setpoints Fctn Setpoints Fctn Setpoints Units P-11 P-14 P-17 P-20 Alarm : Level P-10 P-12 P-13 P-15 P-16 P-18 P-19 P-20 P-21 In bounds...

  • Page 34: Analog Output

    ANALOG OUTPUT The MultiRanger Plus can be programmed to provide analog output (P-6) of 0 or 4 - 20 mA, proportional or inverse span. The 4 and 20 mA levels can be trimmed slightly via P-97 and P-98 respectively to compensate for any offset between the MultiRanger Plus and the customer’s equipment.

  • Page 35: Applications

    APPLICATIONS This section highlights the most common applications for which the MultiRanger Plus can be applied. Other applications not listed here may be similar to those listed or a combination thereof. ( e.g. monitoring piston position on a wood pulverizer is in essence a level application ) When programming, refer to the application which is most similar to yours.

  • Page 36: Simple Level Application

    SIMPLE LEVEL APPLICATION PARAMETERS General Relays Pump Control Vol. & Disp. Totalizer Custom Filter Conversion units 1 function P-23 submers. P-34 tank P-40 primary P-51 OCM sim. P-60 full P-68 fill damp mode 1 on P-24 1 hrs. P-35 dim. A P-41 time P-52...
  • Page 37 SIMPLE LEVEL APPLICATION The most common application of a Milltronics ultrasonic level measuring system is for simple level monitoring, whereby the material level or space measurement is displayed. This may or may not include alarms and mA output. When in the program mode, alarm relays hold their contact state. However, they will respond to measurements taken when "MEAS"...

  • Page 38: Pump Control Applications

    PUMP CONTROL APPLICATION PARAMETERS General Relays Pump Control Vol. & Disp. Totalizer Custom Filter Conversion units 1 function P-23 submers. P-34 tank P-40 primary P-51 OCM sim. P-60 full P-68 fill damp mode 1 on P-24 1 hrs. P-35 dim. A P-41 time P-52...
  • Page 39 The MultiRanger Plus can be programmed to control up to 5 pumps. Each may be configured in one of the following ways.
  • Page 40 e.g. relays 1, 2 and 3 control three pumps by service ratio. It is required that pump 1 operate 60% of the time, pump 2 operate 10% of the time and pump 3 operate 30%of the time. » set the relay function : P-8, 11, 14 = dE : A9 »...
  • Page 41 Pump Control Example The application is to control the level in a wet well 3 meters deep. It is required that : » the level is displayed in meters » to start/stop two constant speed pumps: start pump 1 at 1 m level start pump 2 at 2 m level stop both pumps at 0.5 m level »...

  • Page 42: Pump Run-On

    P-12 enter "2", relay 2 - pump ON P-13 enter " 5", relay 2 - pump OFF P-14 enter option "1", relay 3 - alarm function P-15 enter " 4", relay 3 - alarm ON P-16 enter " 45", relay 3 - alarm OFF deadband = 0.05 m, arbitrary setting P-23 enter option "1",...
  • Page 43 » The run-on interval must be greater that the run-on duration. e.g. P-29 = 24 and P-30 = 15 After 24 hours from going into the run mode, the MultiRanger Plus enters the second run-on interval allowing only one pump run-on cycle of 15 seconds, at the first time the lead pump turns off.

  • Page 44: Pump Totalizer Application

    PUMP TOTALIZER APPLICATION PARAMETERS General Relays Pump Control Vol. & Disp. Totalizer Custom Filter Conversion units 1 function P-23 submers. P-34 tank P-40 primary P-51 OCM sim. P-60 full P-68 fill damp mode 1 on P-24 1 hrs. P-35 dim. A P-41 time P-52...
  • Page 45 The material level must be converted to volume using volume conversion parameters P-34, 35 and 36 and / or convert display P-37. The MultiRanger Plus in pump-down, will record the volume being pumped out. Alternately, the MultiRanger Plus will record the volume pumped in if the pump setpoints are set for pump-up.
  • Page 46 e.g. high total low total P-54 P-55 8 digit total 1325 4679 If it is wished to momentarily view an alternate reading while in the run mode and ≠ P-39 0, press the desired programmer key ( ‘HEAD’ and ‘FLOW’ are not applicable to the pumped volume totalling ) e.g.
  • Page 47 Pump Totalizer Example Further to the Pump Control Example it is required that the volume pumped be totalized. A daily flow total of 1,200 cubic meters is expected and a contact closure is required every 10 cu. m. The full level of the well is equal to 42 cu.m. The following parameters should be set.
  • Page 48 VOLUME APPLICATION PARAMETERS General Relays Pump Control Vol. & Disp. Totalizer Custom Filter Conversion units 1 function P-23 submers. P-34 tank P-40 primary P-51 OCM sim. P-60 full P-68 fill damp mode 1 on P-24 1 hrs. P-35 dim. A P-41 time P-52...

  • Page 49: Volume Application

    L = 5 m The maximum fill / draw rate is 0.35 cu. m / min. In the event of a loss of echo, the MultiRanger Plus is to go into fail-safe high after 30 sec. select: enter option "1",...

  • Page 50: Custom Design Tanks

    P-35 enter ".75", tank dimension A P-36 enter "5", tank dimension L P-37 enter ".406", convert display, x.406 (automatically shows the levels in %). As 100% full = 40.6 cubic metres, a conversion factor of .406 must be entered. actual volume = conversion factor percentage P-68...
  • Page 51 Custom Design Tanks Example ‘A’ The application is to measure the level of liquid in a custom designed tank. The tank manufacturer specifies the following level versus volume data. transducer 158.9 m @ 6 m 58.42 m @ 4 m 6.5 m 29.12 m @ 1m...
  • Page 52 press display will show H - 3 - - - - (then) ENTER 3. 0 0 0 H - 4 - - - - (then) 4. 0 0 0 ENTER H - 5 - - - - (then) 6. 0 0 0 ENTER F - 5 - - - -...

  • Page 53: Compensation

    20 °C. Refer to Functional \ Temperature or \ Sound Velocity, for details on compensating for such circumstances. If it is noted that the MultiRanger Plus reading is consistently off by a constant amount as compared to the physical reading, this may be compensated for by P-62. This tank measurement offset might occur when P-3 or P-4 does not exactly match the tank dimensions referenced for volume conversion.
  • Page 54 "MEAS". The MultiRanger Plus will take a measurement and display the level in the units selected, regardless that percent, volume or convert display are used.
  • Page 55 PL-443 6 – 21...

  • Page 56: Differential Level Application

    DIFFERENTIAL LEVEL APPLICATION PARAMETERS General Relays Pump Control Vol. & Disp. Totalizer Custom Filter Conversion units 1 function P-23 submers. P-34 tank P-40 primary P-51 OCM sim. P-60 full P-68 fill damp mode 1 on P-24 1 hrs. P-35 dim. A P-41 time P-52...
  • Page 57 DIFFERENTIAL LEVEL APPLICATION This type of application monitors the difference between two liquid levels, hence two transducers are required. The MultiRanger Plus monitors the two levels, calculates the difference and displays the differential as the reading. The following parameters should be left at their factory setting: »...
  • Page 58 In order to use the MultiRanger Plus as a differential level detector TB-1 must be wired as in Installation \ Installing the Transducer and both transducers must be installed at the same level. A = transducers must be at the same elevation ( P-3 ).
  • Page 59 P-10 enter "6", relay 1 - reset this value can be arbitrarily set P-11 enter option "1", relay 2 - alarm function P-12 enter "20", relay 2 - alarm ON P-13 enter "19", relay 2 - alarm OFF P-20 enter option "14", relay 5 - scanner P-32 enter option "1",...
  • Page 60 OPEN CHANNEL MEASUREMENT APPLICATION PARAMETERS General Relays Pump Control Vol. & Disp. Totalizer Custom Filter Conversion units 1 function P-23 submers. P-34 tank P-40 primary P-51 OCM sim. P-60 full P-68 fill damp mode 1 on P-24 1 hrs. P-35 dim.

  • Page 61: Ocm Applications

    OCM APPLICATION This application is specific to monitoring the flowrate in one of the four following categories of primary measuring devices. Refer to the respective drawings at the end of this section for weir and flume outlines and transducer location. Single Exponential, these are flumes and weirs that can be characterized by a single exponential term ( P-40 = 1 )
  • Page 62 Flow readings are calculated by the MultiRanger Plus as a function of the head under the transducer, installed upstream from the primary measuring device ( P-40 ). The flows are then accumulated in the arbitrary volume units chosen per the time units of P-41 in an 8 digit totalizer.
  • Page 63 The MultiRanger Plus can be programmed to ignore low head, i.e. flows for heads less than that set in P-48 will not be accumulated in the totalizer. The low head cutoff is measured in % of maximum head ( P-45 ).
  • Page 64 An important consideration in OCM applications is that many primary measuring devices have the potential of running dry. In such cases, it must be insured that the range extension ( P-87 ) is sufficient so that the floor of the channel or of the converging section of the flume can be read.
  • Page 65 Further to OCM Example, the following is required : » alarm at 10% overflow ( approx. = 1.8 ft ) and 0 head » in the event of loss of echo, the MultiRanger Plus is to go into low alarm after 45 sec.
  • Page 66 4 hyphens must appear in the display. MEAS Press at least 5 times to insure that the MultiRanger Plus will obtain a stable ultrasonic measurement. The resultant reading will be the apparent head with respect to the estimated P- 3 = 3.33 ft .

  • Page 67: Single Exponential

    Single Exponential, P-40 = 1 Weirs transducer 3 to 4 weir profile The transducer must be above the maximum head by at least the blanking value, P-5. Applicable Weir Profiles V - notch or sutro or cipolleti or suppressed proportional triangular trapezoidal rectangular...
  • Page 68 Single Exponential P-40 = 1 ( cont’d ) FLUMES Parshall Flume plan transducer head front side » sized by throat width » set on solid foundation » general free flow equation is Q = K H where: Q = flow rate K = constant H = head x = exponent...
  • Page 69 Single Exponential, P- 40 = 1 (cont’d) FLUMES (cont’d) Leopold Lagco (as manufactured by Leopold Co., Inc.) throat transducer plan diverging converging point of measurement head side front » designed to be installed directly into pipelines and manholes » Leopold Lagco may be classed as a rectangle Palmer-Bowlus flume »...
  • Page 70 Single Exponential, P-40 = 1 ( cont’d ) FLUMES ( cont’d ) Cutthroat Flume » similar to Parshall flume except that the floor is flat bottomed and throat has no virtual length » refer to manufacturer’s specifications for flow equation and point of head plan measurement.

  • Page 71: Palmer-Bowlus

    Palmer-Bowlus Flume, P-40 = 2 ( typically those manufactured by Warminster Fiberglass or Plasti-Fab ) plan transducer D / 2, point of measurement head side front » sized by pipe diameter, D. Enter value ( in units of P-1 ) into P-43. »...

  • Page 72: H Flumes

    H Flumes, P-40 = 3 ( as developed by the U.S.Department of Agriculture, Soil Conservation Service ) transducer point of measurement plan front side » sized by max depth of flume, D. Enter value ( in units of P-1 ) into P-43. »...

  • Page 73: Other

    Other, P- 40 = 4 Where the primary measuring device does not fit one of the three other categories, P-40 may be programmed for one or two head versus flow characterizations: » P-40 = 4 : curved » P-40 = 5 : linear Select the characterization which most closely fits the flow characteristics of the primary measuring element.
  • Page 74 select : enter option "3", units in feet advance to: enter option "5", enter "4", empty distance to transducer enter "3", span enter "1", near blanking distance P-39 enter option "4", display flowrate P-40 enter option "4", universal head vs flow press display will show H - 1...
  • Page 75 press display will show 0.0 0 0 ENTER F - 2 - - - - (then) 2.1 5 6 ENTER F - 3 - - - - (then) 6.0 0 5 ENTER F - 10 - - - - (then) 5 1.1 2 ENTER F - 11...

  • Page 76: Applications With Standpipes

    APPLICATIONS WITH STANDPIPES In many solids and liquid applications, access to the vessel must be made via a standpipe. In such cases, Milltronics can provide flange mounted transducers that will readily mate to the standpipe. The maximum standpipe length that can be used without additional near blanking ( P-5 not greater than 0.3 m ) is 200 mm ( 8"...

  • Page 77: Parameter Description

    PARAMETER DESCRIPTION ( F ) indicates the parameter’s factory setting, where applicable. For reference only, factory set values may change with software revisions. ( V ) indicates that parameter can be viewed only, not entered. security This parameter can be used to lock out the programmer such that the content of parameters P-1 through P-99 can not be changed.
  • Page 78 span » distance between full ( high ) and empty ( low ) levels » maximum level differential if DLD ( P-2 = 3 ) is selected » maximum head if OCM ( P-2 = 5 ) is selected enter desired amount ( F = 10.00 m ) near blanking normally leave at factory setting.
  • Page 79 P-11 relay 2 function Refer to Functional \ Relays. enter desired option ( F = 0 ) P-12 / 13 relay 2 - ON / OFF setpoints enter level in units as selected in P-1 or °C ( F = - - - - ) P-14 relay 3 function Refer to Functional \ Relays.
  • Page 80 Parameters P-23 through P-33 are used specifically for pump applications. Refer to Applications \ Pump Control Applications. P-23 submersible transducer enter: 0 = normal ST- series transducer ( F ) 1 = submersible transducer P-24 relay 1 pump log * P-25 relay 2 pump log * P-26...
  • Page 81 press display will show To view the service hours at the ‘P’ parameter e.g. 1,234 hours of service DISP ( F = 0.000 ) To view the number of starts at the ‘C’ parameter e.g. 321 pump starts ( F = 0 ) DISP To view the ratio setpoint at the ‘A’...
  • Page 82 The initial interval begins upon return to the run mode or resumption of power to the MultiRanger Plus. Subsequent intervals begin at the end of the previous interval. Intervals end after the time entered has expired or when the power or run mode is interrupted.
  • Page 83 Parameters P-34 through P-39 are used for volume and display conversion. P-34 tank shape for volumetric conversion enter: = non volume - linear level measurement ( F ) = flat bottom = conic or pyramidic bottom = parabolic bottom = half sphere bottom = flat slope bottom = horizontal cylinder, flat ends...
  • Page 84 = custom tank design * ( refer to Applications \ Volume Application ) This option is divided into two levels of subparameters: H - # where: H = level coordinate F - # F = volume coordinate # = breakpoint 1 to 11 Access is made by scrolling through the levels.
  • Page 85 P-36 tank dimension ‘L’ horizontal length of tank shape excluding parabolic ends ( not required for other tank shapes ). enter " dimension L ", in units selected per P-1 ( F = 0.0 0 0 ) P-37 convert display parameter value is the factor by which the measurement is to be multiplied by before being displayed.
  • Page 86 Parameters P-40 through P-50 used specifically for OCM applications. Refer to Applications. P-40 primary measuring device enter option: 1 = exponential ( F ) 2 = Palmer-Bowlus 3 = H-flume 4 = universal head vs flow - curve * 5 = universal head vs flow - linear * * these options are divided into 2 levels of subparameters: H - # where: H = level coordinate...
  • Page 87 P-41 flow rate time units enter option: 1 = per second 2 = per minute 3 = per hour 4 = per day ( F ) P-42 OCM exponent exponent for primary measuring devices, P-40 = 1 where Q = K H Obtain from manufacturer’s specifications.
  • Page 88 P-3. Enter the actual physical measurement of head at a point beneath the transducer. Press , the MultiRanger Plus will then calculate the correct ENTER zero reference level. The offset will be automatically entered into P-62. P-48 OCM low head cutoff flows for head below this level will not be totalled.
  • Page 89 P-51 OCM simulation press , display will show previous flow DISP enter head in units programmed, display will show head press , display will show corresponding flow ENTER Parameters P-52 through P-59 are used specifically for OCM and pump totalizer applications. Refer to Applications. P-52 totalizer display factor totalizer display of flow or volume pumped is factored by a power of...
  • Page 90 P-55 high total the parameter will display the 4 highest digits of the 8 digit totalizer used in pump totalizer or OCM applications. The parameter will also allow the display to be reset to any value. ( F = 0000 ) P-56 remote totalizer contact control.
  • Page 91 Fill tank as much a permissible, but without going into the blanking zone. Press , the MultiRanger Plus will take a measurement and MEAS display the space or level ( P-2 ) in the linear units chosen ( P-1 ) regardless if percent, volume or convert display is used.
  • Page 92 P-62 measurement offset this displays the measurement offset: used in conjunction with a full tank calibration, P-60, or an offset value may be entered directly. The offset is added to the ultrasonic measurement such that its effect will be carried through the reading ( P-39, P-76 or ), mA output and relay setpoints.
  • Page 93 Parameters in P-68 through P-75 are used to stabilize the reading. These are general purpose parameters, suitable for all applications. P-68 fill damping is the maximum rate at which the display reading and analog output will change under filling conditions. The damping rate is measured in P-1 units per minute and has a range of 0.001 to 9999.
  • Page 94 this option is divided into two levels of subparameters: » S-71: time in seconds » D-71: distance in linear units as set in P-1 Access is made by scrolling through the levels. press display will show DISP ENTER Setting the subparameters is done the same way as with the ‘...
  • Page 95 P-74 fail-safe mode in the event of a loss of echo, the MultiRanger Plus will flash " LOE " and go into one of the following fail-safe modes after the timer ( P-75 ) expires enter: 1 = high 2 = low...
  • Page 96 , increases the rate of emptying. During simulation, relay LED’s, alarm relays and mA output are all enabled to allow full response of the MultiRanger Plus. Pump relays are maintained in a de-energized state throughout simulation ( unless P-0 = – 1 ), however the corresponding relay LED’s will respond.
  • Page 97 Parameters P-79 through P-88 are used for echo processing and analysis. P-79 scope displays LCD Display window marker Curve - TVT Profile select any combination of scope displays 0 = scope display off ( display ‘ _ ’ ) ( F = _ _ _ _ ) 1 = scope display on ( display ‘...
  • Page 98 Typical usage; during filling of vessel, material intersects beam path. Instead of displaying wrong level, increasing threshold to a value above that of the echo confidence ( P-80 ) will force the MultiRanger Plus into fail-safe. P-83 echo strength ( v )
  • Page 99 P-85 echo processing algorithms for long pulses ( for short pulses, a fixed algorithm is automatically selected ) enter: 1 = best echo of first and largest ( F ) 2 = first echo 3 = largest echo P-86 TVT curve enter: 1 = standard ( F ) 2 = flat...
  • Page 100 Parameters P-89 through P-98 are used for testing. P-89 software revision number ( V ) P-90 memory test (V) ENTER press the display will show ‘ PASS ’ » memory test passed ‘ 1 ’ » RAM failure ‘ 2 ’ » EPROM failure ‘...
  • Page 101 , hyphens will flash for 5 seconds or less and then ENTER the MultiRanger Plus goes into the run mode. Should the test fail, the MultiRanger Plus will not go back into the run mode. P-97 trim for 4 mA when this parameter is selected, the mA output goes to 4 mA.
  • Page 102 e.g. select P-97 press display will show meter will show DISP P-98 trim for 20 mA When this parameter is selected, the mA output goes to 20 mA. The display however, will show a typical value of 3490. The value can be increased or decreased by pressing respectively or by entering a value.

  • Page 103: General

    There are a few adjustments for echo processing and they should be used judiciously. Transducer location and aiming are the most important factors affecting the reliability of the MultiRanger Plus . Location and aiming of the transducer may be optimized by pressing to view the confidence level while in the RUN mode.
  • Page 104 The processed echo display ( P-79 ) can be made to show not only the processed echo profile, but also the: • echo marker • window • TVT curve or auxiliary window Typical scope settings for viewing the processed echo are: •...

  • Page 105: Troubleshooting Guide

    TROUBLESHOOTING GUIDE The following is a list of operating symptoms, their probable causes and the actions to resolve them. SYMPTOM CAUSE ACTION Loss of Echo ( LOE ) display will flash open circuit check transducer wiring * CAbL / LOE, neon L1 will flash but no pulsing is felt on the transducer face defective transducer...
  • Page 106 - physical damage - excessive foam on use foam deflector or liquid face stilling well re-aim transducer * Reading does not change, MultiRanger Plus but the level does processing wrong echo, i.e. vessel wall, structural check echoes with member, stationary oscilloscope...
  • Page 107 SYMPTOM CAUSE ACTION MultiRanger Plus will not programmer improperly refer to installation respond to programmer positioned infrared window clean obstructed programmer battery low test programmer P-95 Reading erratic echo confidence weak refer to P-85, 86 87 & 88 liquid surface agitated increase damping, P-68 &...

  • Page 109: Maintenance

    Check all electrical contacts for corrosion and arcing. If the MultiRanger Plus is mounted in a dusty or oily environment, make sure that the programmer and front cover are kept clean, otherwise it may impede the infrared signal transmission required for programming.

  • Page 111: Sound Velocities

    SOUND VELOCITIES GASES (0 °C) m/sec ft/sec air, dry 1086 ammonia 1362 argon 1010 carbon dioxide carbon monoxide 1109 chlorine deuterium 2920 ethane (10 °C) 1010 ethylene 1040 helium 3166 hydrogen 1284 4213 hydrogen bromide hydrogen chloride hydrogen iodide hydrogen sulfide illuminating (coal gas) 1486 methane...

  • Page 112: Glossary

    GLOSSARY Aeration: air gap between nappe and weir. Beam angle: angle between the opposing one-half power limits (–3 dB) of the sound beam Blanking: zone in which received echoes are ignored. Crest: the edge ( sharp-crested weir ) or surface ( broad crested weir ) over which the flow passes.
  • Page 113 Stilling well: a well separate from but adjacent to the primary measuring device and interconnected by a small duct to provide an ideal point of head measurement. Subcritical flow: same as submerged flow. Submerged flow: when the downstream level rises or the discharge flow is so slow that it impedes the free flow of liquid through the primary measuring device.

  • Page 114: Alphabetical Parameter Listing

    ALPHABETICAL PARAMETER LISTING PARAMETER PARAMETER agitator discrimination P-73 pump 5, hours P-28 air temperature P-65 pump, run-on, duration P-30 air temperature, maximum P-66 pump, run-on, interval P-29 air temperature, minimum P-67 range extension P-87 algorithms P-85 rate display P-70 analog output rate filter P-71 analog output, DLD...

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