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Pulsar MICROFLOW Instruction Manual Download Page 30

Page 

24

 

In the instance where there are vertical drops, baffles, curves or junctions.  
The sensor should then be positioned on a straight part of the channel, at a 
minimum distance that is at least five times the width of the channel before 
a bend, in order to obtain optimal velocity readings.

  Examples of positioning 

the sensor are shown in diagrams 1 - 4 below: 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

Distance 

Distance 

Diagram 1 

Distance 

Diagram 2 

Summary of Contents for MICROFLOW

Page 1: ...MICROFLOW INSTRUCTION MANUAL...

Page 2: ......

Page 3: ...t Limited cannot be held liable for any errors Pulsar Process Measurement Limited operates a policy of constant development and improvement and reserves the right to amend technical details as necessa...

Page 4: ......

Page 5: ...Fascia 18 Ultimate Controller Wall Mount 20 22 Locating the MicroFlow 22 Hazardous Area Installation 23 Preparation for Operation 27 General Maintenance 27 Sensor Maintenance 28 31 Measuring streamflo...

Page 6: ...58 59...

Page 7: ...rtant that this manual is referred to for correct installation and operation There are various parts of the manual that offer additional help or information as shown Tips TIP At various parts of this...

Page 8: ...icroFlow s compact and versatile design makes it easy to install and ideal for confined spaces Housed in a robust enclosure coupled with a fully encapsulated microwave antenna it provides an effective...

Page 9: ...uitable for abrasive and aggressive materials Resilient to liquid vapour wind or temperature No minimum liquid level required for measurement Virtually maintenance free not affected by sedimentation s...

Page 10: ...red up after approx 20 seconds the sensor will adjust to the Baud rate of the controller it is connected to Limitations of use 1 The MicroFlow must be routinely inspected to avoid the build up of dust...

Page 11: ...IC T135o C Db Tamb 20o C to 60o C Velocity Range 0 2 6 0 m s 0 66 ft s 19 7 ft s Accuracy Greater of 0 5 or 0 05 m s 0 1 ft s Optimum installation Install at an angle of 45 in line with flow For more...

Page 12: ...Page 6 EU Declaration of Conformity...

Page 13: ...Important Information All shipping cartons should be opened carefully When using a box cutter do not plunge the blade deeply into the box as it could potentially cut or scratch equipment components Ca...

Page 14: ...lled The bracket can be used if the MicroFlow sensor is to be mounted on its own in a specific location or along with a Pulsar dB transducer Please see Angled Mounting Bracket for dimensions of this b...

Page 15: ...Page 9 Angled Mounting Bracket Part number dBA0008MF 45o Side view 176mm 22mm 22mm R20mm 12mm 100mm 90mm 130mm Top view Side view 100mm...

Page 16: ...ge 10 Important Information Using a spirit level ensure that the Mounting Bracket is level before attaching the sensor to the bracket R20mm 4 off 12mm 14mm 100mm 60mm 20mm 20mm 100mm 60mm 26mm Rear vi...

Page 17: ...wn below in Fig 1 and Fig 2 BOTTOM 90 mm 1 BSP 78 mm 39mm 140 mm To obtain the most accurate results ensure the device is mounted at a 45 angle to the surface being measured 45 Surface of measurement...

Page 18: ...o the bracket This will reduce the risk of any twisting in the cable Ensure that the sensor is tightened and the dot is in the correct position Important Information When fixing the sensor to the adap...

Page 19: ...ould be taken not to overtighten the sensor when everything is connected as seen in Fig 5 below as this could cause damage to the housing M i Central to the movement of flow in channel Fig 4 Fig 5 305...

Page 20: ...racket in a way where the MicroFlow is obtaining measurements following the direction of the flow or facing the direction of flow Fig 6 and Fig 7 illustrate the correct positioning of the devices acco...

Page 21: ...nt unit with firmware version 1 5 2 and greater You can also use Pulsar s MicroFlow PC software to interrogate and obtain readings from the device Please refer to Chapter 6 MicroFlow PC Software for m...

Page 22: ...h the FlowCERT please refer to Chapter 5 Setting up your MicroFlow of this manual The FlowCERT manual is also available for download from the Pulsar website https www pulsar pm com support downloads m...

Page 23: ...manual is also available for download from the Pulsar website https www pulsar pm com support downloads manuals aspx Wire the MicroFlow sensor to the Velocity Interface terminals as follows The Green...

Page 24: ...troller unit please refer to the Ultimate Controller user manual To set up a MicroFlow sensor with the Ultimate Controller please refer to Chapter 5 Setting up your MicroFlow of this manual The Ultima...

Page 25: ...minal 6 0V Terminal Connection Details Cable Type Red Power DC 24V Black 0 volts GND Orange RS485 B White RS485 A Blue RS485 Common Terminal no 5 6 7 8 9 Important Information If you require help in c...

Page 26: ...ontroller unit please refer to the Ultimate Controller user manual To set up a MicroFlow sensor with the Ultimate Controller please refer to Chapter 5 Setting up your MicroFlow of this manual The Ulti...

Page 27: ...erminal 6 0V Terminal Connection Details Cable Type Red Power DC 24V Black 0 volts GND Orange RS485 B White RS485 A Blue RS485 Common Terminal no 5 6 7 8 9 Important Information If you require help in...

Page 28: ...Ultimate Controller with firmware version 1 5 2 and later When a level measurement transducer is used and mounted on the same bracket as the MicroFlow Consider the blanking distance of the transducer...

Page 29: ...use is fitted in the safe area end of the cable Important Information Below is an example of the wrap around label that is found on an ATEX approved MicroFlow If this information does not appear on th...

Page 30: ...then be positioned on a straight part of the channel at a minimum distance that is at least five times the width of the channel before a bend in order to obtain optimal velocity readings Examples of p...

Page 31: ...Page 25 Distance Distance Diagram 4 Diagram 3 Distance Distance Distance...

Page 32: ...o the bracket using the nut supplied CAUTION extreme over tightening may crack or cause damage to the unit or bracket Position the sensor so the green dot that is shown on the label between the two gr...

Page 33: ...re All wiring is correct to a Pulsar controller The power supply is correctly installed General Maintenance There are no user serviceable parts inside MicroFlow If you experience any problems with the...

Page 34: ...as this can cause damage to the unit When replacing the sensor care must be taken not to over tighten the unit as this can cause damage Hand tight is sufficient Ensure that the green dot has been posi...

Page 35: ...c that may connect it to the Mounting Bracket and then lift the sensor body onto a safe place Taking care not to damage the sensor housing or cable whilst performing this removal The sensor can then b...

Page 36: ...Page 30 This page is left blank intentionally...

Page 37: ...factors Velocity of the liquid in the channel Depth of the liquid in the channel Cross sectional channel dimensions The flow is then calculated using the formula Q V x A h Where Q Flow rate V Velocit...

Page 38: ...o Once the sensor is connected to the controller and power is restored to the device after a short period of time the MicroFlow will automatically detect and adjust its protocol and Baud rate to match...

Page 39: ...r 6 Quick Set up Guide in the FlowCERT user manual 6 Once you have selected area velocity set P130 Device Mode to 2 Speedy Velocity in Ultra firmware versions 7 4 4 and onwards to enable the velocity...

Page 40: ...of your application you will need to set P683 Maximum flow velocity to the desired value in m s 6 To change the velocity at which the high mA output 20mA will occur you will need to set P835 Output Hi...

Page 41: ...unit for measurement 5 Select Advanced Config Live List where the controller will now search for the Modbus ID of the MicroFlow unit s that have been connected 6 In Advanced Config Modules Select the...

Page 42: ...Save changes made 23 To view the velocity obtained from the MicroFlow s on the main display in run mode please continue to follow these instructions If you do not require to view this information and...

Page 43: ...iliary display Important Information For further information on how to set up the individual controllers please refer to that controller s instruction manual All of Pulsar s product manuals are availa...

Page 44: ...Page 38 This page is left blank intentionally...

Page 45: ...will then be downloaded onto your machine When setting up the RS485 connector for the first use you will need to install the necessary drivers for it to operate correctly with your OS These drivers c...

Page 46: ...communicate with the sensor If you know the Com port that the RS485 connector is assigned to please select Setup Serial Port to enter the Com port number to the device If you are not aware of the Com...

Page 47: ...hanged to either metres millimetres or feet The time units can be changed to seconds minutes or hours The default for distance and time units is m s Signal Strength The signal strength gives an indica...

Page 48: ...ave Data to File Click to record data from the MicroFlow device When activated this icon will lightup yellow clicking again will deactivate thefeature In orderto record diagnostic tracesalong with the...

Page 49: ...by holding down the CTRL key on thekeyboard while clicking additional files Recorded tracesare shown in theTrace tab and the recorded flow is shown in the Flow tab During replay click on theicon again...

Page 50: ...is menu provides the options to perform the following actions Save Device Parameters Extract parameters configured on the sensor and save them to PC as a parameter file This will be saved to MicroFlow...

Page 51: ...t Chart Data file This opens up the directory folder on your computer where MicroFlow data is currently stored Info menu Selecting this will allow you to view the following information MicroFlow PC Th...

Page 52: ...m in by clicking and holding the mouse to draw a box over the region to zoom in on Zooming out can be done by right clicking on the chart and selecting Undo All Zoom To clear the Flow Record chart sel...

Page 53: ...r will normally be within the range of 30 to 70 Under no flow conditions the green square indicator will remain at 10 When flow is detected the red circle indicator will move horizontally to indicate...

Page 54: ...values on the Parameter tab to that currently stored on the sensor including the Modbus ID of the sensor Changing a parameter can be done in one of two ways 1 Selecting the parameter and then enterin...

Page 55: ...device If the change is not successful then the values that are shown on the Parameter tab will reflect the current parameter value on the sensor The values need to be valid and within the allowed ran...

Page 56: ...Page 50 This page is left blank intentionally...

Page 57: ...ntent of the parameter is delimited by a colon such that P102 20 indicates that the parameter at address 102 has a value of 20 The terms parameter and register are used interchangeably as the paramete...

Page 58: ...arameters These parameters are read only Name Parameter No Description Serial Number 240 241 Registers 240 241 form a 32 bit number Register 240 Most significant 16 bit Register 241 Least significant...

Page 59: ...116 0 18 12 This is the number of measurements that the sensor acquires before switching into Step Response Mode Step Response Mode 113 0 Off 1 On 1 When turned off no damping by pass will be perform...

Page 60: ...n percentage terms default is 100 for 100 50 would half and 200 would double Multipoint Calibration 0 8 m s 154 5 500 100 In percentage terms default is 100 for 100 50 would half and 200 would double...

Page 61: ...within the default folder use Info Data Folder Path to see the folder location The filename is prefixed by ParamMicroFlow followed by the date and time 3 Connect the second device to MicroFlow PC in...

Page 62: ...parameters before beginning an upgrade 3 You will require Service access to switch the device into Bootloader mode and to activate Bootloader control 4 First place the device into bootloader mode by...

Page 63: ...ion If the sensor does not connect to the device within 40 seconds it will resume its normal operation with its current firmware Do not switch off supply to the unit or close down the software during...

Page 64: ...in accordance with Chapter 2 Current velocity reading is higher lower than know movement of flow Check that the sensor is mounted correctly Adjust the Gain P102 or Damping P109 parameters to obtain c...

Page 65: ...nsducer in accordance with regional environmental regulations for electrical electronic products Controllers Remove power disconnect the Controller and remove battery if fitted Dispose of Controller i...

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