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Manual

Hardware and Software

EE771 Series

FLOW METER for

COMPRESSED AIR and GASES

BA_EE771_e // V4.1 // technical data are subject to change // 193296

Содержание EE771 Series

Страница 1: ...Manual Hardware and Software EE771 Series FLOW METER for COMPRESSED AIR and GASES BA_EE771_e V4 1 technical data are subject to change 193296 ...

Страница 2: ...ed in accordance with the installation manual may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one...

Страница 3: ... 5 3 2 Indication of the switch output 17 5 3 3 Indication of the MIN MAX values 17 5 3 4 Reset of the consumption counter or the MIN MAX value 18 5 3 5 Maximum consumption counter 18 6 ERROR MESSAGES 18 7 MAINTENANCE 19 7 1 Removal of the sensing probe of the flow meter 19 7 2 Cleaning of the sensor of the flow meter 19 8 REPLACEMENT PARTS ACCESSORIES 19 8 1 Order Code Replacement Sensor 19 8 2 O...

Страница 4: ... design of the flow meter allows for the EE771 to be installed in a pressurized system up to PN16 is 16 bar 230 psi Prior to the start of the installation the system has to be depressurized Before the installation or removal of the sensing probe or the screw cap the measurement ball valve should be closed Mounting electrical installation putting in operation and maintenance should only be done by ...

Страница 5: ...t the device from power supply before opening or closing to avoid damages Do not put a damaged product into operation and make sure that that does not happen inadvertently A malfunction of the equipment should only be handled and fixed by authorized and qualified personnel If it is not possible to repair the malfunction put the equipment out of operation and make sure that it cannot be put back in...

Страница 6: ...ew cap with female thread is screwed in place if the flow meter is not installed and the pipeline has to be used 5 Sensor cable only by model C with remote sensing probe The sensor cable allows for the remote installation up to 10 meter 33 feet of the sensing probe from the housing with the signal condi tioning 3 Measurment valve with shut off function The measurement ball valve assembly allows fo...

Страница 7: ... in the scope of supply Max screw diameter 4 5 mm 0 17 inch e g 4 2 x 38 mm DIN 7938H Screws Measurement ball valve Dimensions in mm inch 183 7 2 173 6 81 Measurment ball valve Thread A B DN15 Rp1 2 100 8 3 94 0 32 92 3 62 DN20 Rp or NPT 3 4 72 2 83 92 3 62 DN25 Rp or NPT 1 83 3 27 124 4 88 DN32 Rp1 1 4 100 3 94 124 4 88 DN40 Rp or NPT 1 1 2 110 4 33 147 5 79 DN50 Rp or NPT 2 131 5 16 147 5 79 dim...

Страница 8: ...bserve the recommended straight pipe lengths up and downstream in order to warrant the speci fied measurement accuracy The flow meter should be installed as far as possible from any flow disturbance Valves or check valves should be installed in a respective distance from the flow meter 3 2 1 Process pressure Because of the measuring principle the thermal mass flow meter EE771 is largely independen...

Страница 9: ... Mounting sensor downwards Horizontal Mounting sensor across 3 3 Installation position Make sure that the arrow on the tip of the sensing probe is pointing in the direction of the flow recommended installation position not recommended if there is vibration on the pipeline not recommended ...

Страница 10: ... flow The causes for disturbance of the flow are for instance reducers elbows T pieces valves gate valves etc The specified measurement accuracy can be achieved only when the following straight inlet and outlet pipe lengths are installed The wall thickness of the inlet and outlet pipe should be 2 6 mm The stated values are as a minimum If possible allow for greater distances Valves or gate valves ...

Страница 11: ...he side of the outlet recess for alignment pin Flow Direction 3 5 1 Assembly without flow meter but with screw cap instead blind cap In order to use the measurement section without the flow meter the blind screw cap in the scope of supply must be screwed tight onto the opening of the measurment ball valve If not needed the screw cap can be screwed and stored on the handle of the measurment valve w...

Страница 12: ...hten the red coloured retainer nut by hand Tightening by hand should be sufficient However if the seal is not leak tight carefully tighten the nut with an appropriate tool a bit further The mechanical installation of the flow meter is therewith completed Flow Direction 3 6 Installation of the flow meter sensing probe 3 6 1 Flow direction The flow direction is indicated with an arrow on the tip of ...

Страница 13: ... The housing should be grounded to achieve optimal electromagnetic compliance 4 1 1 Relay and pulse output internal switching The relay switch and pulse outputs are both potential free 4 1 2 Connection with optional plug for power supply and outputs order code Q Vcc OUT 1 2 OUT 1 1 OUT 2 1 OUT 2 2 GND 18 30V AC DC 15V mA_Input Modbus data A D M Bus Modbus data B D M Bus 4 20mA V mA p I measuring p...

Страница 14: ...sion 09 Medium 9 compressed air XX Access number continuous 00 Status 00 00 Signature Data record 1 Volumenstrom 05 DIF 32 Bit Real 3E VIF Volume flowmesse in m h XX XX XX XX Act measuring value Data record 2 Temperature 05 DIF 32 Bit Real 5B VIF Temperature in C XX XX XX XX Act measuring value Data record 3 Mass flow 05 DIF 32 Bit Real 53 VIF Mass flow in kg h XX XX XX XX Act measuring value Data...

Страница 15: ...6 MAX Value Standardized Flow Nm s SFPM 30265 108 MIN Value Standardized Volumetric Flow Nm3 h SCFPM 30267 10A MAX Value Standardized Volumetric Flow Nm3 h SCFPM 30269 10C MIN Value Temperature C F 30271 10E MAX Value Temperature C F 30273 110 MIN Value Massflow kg h kg h 30275 112 MAX Value Massflow kg h kg h 30277 114 MIN Value Pressure bar psi 30279 116 MAX Value Pressure bar psi Write Register...

Страница 16: ...umper Line Termination Jumper Output 1 5 2 Digital interface USB for configuration The USB connector is behind the blind screw cap at the side of the housing remove the blind screw cap with a screwdriver plug in the USB connector Install the configuration software which is in the scope of supply The configuration software is available for downloading as well from our website at www epluse com blin...

Страница 17: ... 3 2 Indication of the switch output Line 1 indicates the status of the switch output In line 2 the desired measurement value can be indicated using the UP and DOWN keys The display shows an inverse image if the relay output is active relay has switched T 27 97 C V0 1 3 m3 h Clear Consumption Clear Min Max Set Diameter Exit V0 1 5 m3 h Rel 1 V0 45 0 m3 h Rel 1 V0 323 8 m3 h Maximal T 27 97 C V0 1 ...

Страница 18: ... 0 m3 or 99 999 999 0 ft3 Then it shows LCD maximum The internal memory continues counting The maximum counter reading is 3 4 1038 m3 It is possible to read out the counter reading with the configuration software 6 ERROR MESSAGES In case the flow meter is equipped with the optional display the following error message can be indicated ERROR 01 sensing probe is not detected Cause the sensing probe i...

Страница 19: ...nsor probe by carefully swirling in warm water of isopropyl alcohol It is recom mended to use isopropyl alcohol if the pollution is crease or oil The sensor should not be touch by fingers or solid objects like screwdrivers or brushes Leave the sensor to dry in ambient air 8 REPLACEMENT PARTS ACCESSORIES 8 1 Order Code Replacement Sensor EE771 R Hardware Configuration Model compact ri le direction ...

Страница 20: ...lumetric flow DN20 0 57 113 Nm3 h 0 34 66 5 SCFM 0 57 226 Nm3 h 0 34 133 SCFM DN25 0 90 176 Nm3 h 0 53 103 5 SCFM 0 90 352 Nm3 h 0 53 207 1 SCFM DN32 1 45 289 Nm3 h 0 85 170 0 SCFM 1 45 578 Nm3 h 0 85 340 SCFM DN40 2 26 452 Nm3 h 1 33 265 9 SCFM 2 26 904 Nm3 h 1 33 531 8 SCFM DN50 3 50 700 Nm3 h 2 06 411 8 SCFM 3 50 1400 Nm3 h 2 06 823 6 SCFM standardized flow DN50 0 5 100 Nm s 100 19685 SFPM 0 5 ...

Страница 21: ...to GUM Guide to the Expression of Uncertainty in Measurement 9 1 Factory setting of outputs SI Unit Analogue output 0 10 V 0 4 20 mA from to unit low L1 high H1 standardized DN15 0 60 120 Nm3 h volumetric flow DN20 0 110 220 Nm3 h DN25 0 175 350 Nm3 h DN32 0 285 570 Nm3 h DN40 0 450 900 Nm3 h DN50 0 700 1400 Nm3 h mass flow DN15 0 75 150 kg h DN20 0 140 280 kg h DN25 0 220 440 kg h DN32 0 360 720 ...

Страница 22: ...RE LIMITED LIABILITY E E Elektronik shall not be held liable for any damages or consequential damages for example but not restricted to loss of earnings interruption of business loss of information and data or any other financial losses resulting from the installation use or impossibility of use of an E E Elektronik software product and any associated support services or non performance of support...

Страница 23: ... first connection is made with the EE771 The appearing dialog boxes can be dealt with the settings No do not download driver from the internet and Install the hardware automatically If the EE771 configuration software and the USB driver are installed correctly and the EE771 is connected via the USB interface with the personal computer a connection Silicon Labs C210x USB to UART Bridge should have ...

Страница 24: ...tored for future use 3 User Interface 1 4 2 3 4 1 2 3 Basic information After retrieving the data from the transmitter the basic information of the device is shown here Status message Here are the messages shown about the status and other information Input screen Input screen for the configuration or adjustment of the flow meter Menu tool bar Selection of menu items ...

Страница 25: ... of the VirtualCOM interface see page 23 5 Input Screen 5 1 Output 1 Output 2 In this screen the actual settings of the transmitter for the output 1 and 2 resp relay 1 and 2 are shown The user can alter and upload these settings to the transmitter together with other changes of the configuration 5 1 1 Output mode Here the mode of signal output can be determined Output 1 analogue or switch relay ou...

Страница 26: ...ch mode one can select Hysteresis or Window The field for Type is to determine the switch action of the relay NO Normally Open activate to close NC Normally Close activate to open Under Measuring range in the field From the low value of the measuring range can be entered and in the field To the high value The hysteresis of the set point is entered as a percentage of the measuring range measuring r...

Страница 27: ...ly configured Volume Flow m3 h Number of Pulses Hour Pulse Value m3 Pulse The duration of the pulse can be set between 0 02 and 2 seconds e g Duration of pulse 100ms one pulse for each Nm3 consumed The pulse interval ratio must be at least 1 2 meaning that the duration of the pulse interval must be at least twice the duration of the pulse itself t OUT 2 1 3 min 2 3 2 s Calculation of the minimum p...

Страница 28: ...from the flow meter transmitter NOTE At first change to Calibration gas in the tab Process parameters While the customer adjustment is active all other pages functions and commands are deactivated In the field Adjustment the measurand to be adjusted is selected In the field Measuring value the actual measurement value of the transmitter is indicated The update interval can be set In the field Refe...

Страница 29: ...justment 5 4 2 2 point adjustment With a 2 point adjustment procedure the lower adjustment point must be between 0 and 40 of the measuring range and the upper adjustment point between 60 and 100 of the measuring range If the adjustment point is between 40 and 60 of the measuring range automatically a 1 point adjustment procedure will be executed instead lower adjustment point upper adjustment poin...

Страница 30: ...N MAX button 5 5 2 Reset of the consumption counter totalizer The reading of the consumption meter can be reset by clicking the Reset meter button 5 6 Setting up Process Parameters In the tab Process Parameters you can change the Process gas medium and set the pressure compensa tion 5 6 1 Change the Process Gas NOTE This function is only active if the flow meter for a medium different from air has...

Страница 31: ...on is used only to send the process pressure to the transmitter 5 7 External pressure transmitter for pressure compensation In order to achieve the highest accuracy the input from an external pressure transmitter will be very useful if the pressure fluctuates strongly e g 3 to 10 bar 45 to 150 psi An absolute pressure transmitter with a 2 wire loop powered 4 20 mA output should be used On the tab ...

Страница 32: ...info epluse cn www epluse cn E E CHINA SHANGHAI Tel 86 21 61176129 info epluse cn www epluse cn E E GERMANY Tel 49 6172 13881 0 info epluse de www epluse de E E FRANCE Tel 33 4 7472 35 82 info epluse fr www epluse fr E E ITALY Tel 39 02 2707 8636 info epluse it www epluse it E E KOREA Tel 82 31 732 6050 info epluse co kr www epluse co kr E E USA Tel 1 508 530 3068 office epluse com www epluse com ...

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