Operating Instructions Type 8041
Contents
1.2. 9 9 3 Viewing and setting the time delay before switching Switching occurs if one of the thresholds low high is exceeded for a period longer than the set time delay The time delay applies to both switching thresholds The time delay before switching must be set to between 0 and 100 s If the time delay is equal to 0 switching occurs immediately The time delay before switching is set in 2 steps setting the factors of ten for the seconds setting the seconds Viewing and or setting the time delay before switching see Fig 44 Fig 45 and Fig 46 English 45 burkert FLUID CONTROL SYSTEMS Type 8041 Adjustment and commissioning Notation convention O Red LED state Green LED state Device in Read mode GO YES See general con figuration diagram chap 9 3 To view time delay before switching Y Press push button four times briefly y Os 100s 12345678910 DO Seen the example by default 100 s Bargraph shows current time delay before switching 52 s in Y before switching To set the factors of ten for the seconds of the time delay Y Press and hold the push button t After 2 s device is in Parameterizing mode d i o Fig 44 Setting the time delay before relay switching part 1 If time dela
3. 36 9 9 Setting the parameters of the relay outpult 39 9 9 1 Choosing the switching way of the relay output 40 9 9 2 Viewing and setting the low and high switching thresholds us uen aui nan nen 42 9 9 3 Viewing and setting the time delay before switching 45 10 MAINTENANCE AND TROUBLESHOOTINU 48 10 1 Safety instructions uuu uu 48 10 2 Cleaning the device ua 48 10 3 Cleaning the electrodes a 48 10 4 Replacing the seal on a device with G2 nut 49 10 5 If you encounter problems u uuu u 49 11 SPARE PARTS AND ACCESSORIES 53 12 PACKAGING TRANSPORT uu uu 54 ERC Lal CC 54 Type 8041 About this manual burkert FLUID CONTROL SYSTEMS 1 ABOUT THIS MANUAL This manual describes the entire life cycle of the device Please keep this manualin a safe place accessible to all users and any new owners This manual contains important safety information Failure to comply with these instructions can lead to hazardous situations This manual must be read and understood 1 1 Symbols used DANGER Warns against an imminent danger Failure to observe this warning can result in
4. the values set for the relay function To calibrate the device To set the relay parameters The 5 switches the push button the green LED the red LED and the bargraph are used to set the parameters of the device see Fig 26 Parameterizing essen burkert Adjustment and commissioning FLUID CONTROL SYSTEMS Green LED Red led 123456 S 3 3 O device in Read mode ae 4 20 V V PE Pls P Flashing once every second the device is energized device in Parameterizing Flashing once up to 5 times to know which parameter mode the bargraph is indicating o g 42 flashing 1 up to 5 times error see 10 5 Ll COU 10 LED bargraph oI gt 9Sv cl l gt cL mimiwimim m gt o N I o NO To view and set the device parameters E 4 LED ON 10 of the full scale or 10 seconds N in Read mode WoW LED flashing x times x of the full scale or x seconds Push button Switches 1 to 5 to set the device parameters frequency of the main supply filter of the measure ments measuring range Hin Parameterizing mode LED flashing once 1 of the full scale or 1 second Switche unused Fig 26 Electronic board of the device English 29 burk
5. u Aq8q sI 1I9O A MOJ eopi au O SI 9 e1 MO euluuou y JI uolleoljio ods duuex3 Type 8041 INstallation burkert FLUID CONTROL SYSTEMS Install the device on the pipe to have the upstream and down stream distances respected according to the design of the pipes refer to standard EN ISO 5167 1 and Fig 8 Die 50xDN 5xDN With control valve jets 40xDN 5x DN Pipe with 2 elbows at 90 in 3 dimensions 20xDN 5x DN Pipe with 1 elbow at 90 or 1 T piece 25xDN 5x DN Pipe with 2 elbows at 90 fh 18xDN 5xDN With pipe expansion 15xDN 5xDN With pipe reduction Fig 8 Upstream and downstream distances depending on the design of the pipes Respect the following additional mounting conditions to ensure that the measuring device operates correctly We recommend to install the device at a 45 angle to the hori zontal centre of the pipe to prevent deposits on the electrodes and false measurements due to air bubbles see Fig 9 Fig 9 Mounting angle on the pipe Ensure that the pipe is always filled in the section around the device see Fig 10 When mounting vertically ensure that the flow direction is in an upward direction see Fig 10 Prevent the formation of air bubbles in the pipe in the section around the device see Fig 11 Always mount the device upstream a possible injection point in the pipe of a high conductivity fluid
6. Switching time out 0 s activated deactivated NC wired relay activated NO wired re Switching time out 2 s activated NC wired relay deactivated Fig 34 Behaviour of the relay output depending on the parameter settings and the measured velocity MAN 000 86 N on a English 39 burkert FLUID CONTROL SYSTEMS Type 8041 Adjustment and commissioning The wiring of the relay determines the function of the relay o Normally Open NO or Normally Closed NC The following parameters of the relay output can be set the switching way window or hysteresis see chap 9 9 1 the value of the low switching threshold as a percentage of the full scale see chap 9 9 2 the value of the high switching threshold as a percentage of the full scale see chap 9 9 2 the time delay before switching from O to 100 seconds see chap 9 9 3 9 9 1 Choosing the switching way of the relay output Two switching ways of the relay are available window or hysteresis In window switching the state of the relay output is changed whenever one of the thresholds is detected see Fig 35 and Fig 36 State of the relay output actived deactivated gt m s Low threshold High threshold Fig 35 Change of state of the relay output in window switching with a relay wired as NO State of the relay output actived deactivated m s
7. burkert FLUID CONTROL SYSTEMS Type 8041 Insertion electromagnetic flowmeter Magnetisch induktives Durchfluss Messger t Insertion D bitmetre electromagnetigue insertion Operating Instructions Bedienungsanleitung Manuel utilisateur MAN 1000211865 EN Version Status RL released freigegeben printed 19 01 2015 We reserve the right to make technical changes without notice Technische Anderungen vorbehalten Sous r serve de modifications techniques B rkert SAS 2011 2013 Operating Instructions 1308 1_EU ML_559777_Original_FR MAN 1000211865 EN Version Status RL released freigegeben printed 19 01 2015 oe burkert ABOUT THIS MANUAL U Uu 3 6 4 General dat uuuu Ge ein A UYFR LOFA adr 11 1 1 Symbols usedi eu ue ee aa 3 6 5 Electrical dalag u erte 12 1 2 Definition of the word device uuu 3 6 6 Electrical connections u u uuu uu 13 INTENDED USE aa A I L 4 6 7 K factors u u u u uu uuu u u uu uuu uu 13 BASIC SAFETY INFORMATION 4 7 QUICK INSTALLATION u u UU ULU UU 14 GENERAL INFORMATION e NSL EHNEN 16 4 1 Manufacturer s address and international contacts 6 8 1 Safety instructions u uuu uuu 16 4 2 Warranty conditions U uuu 6 8 2 Installation onto the Pipe 17 4 3 Information on the Internet u 6 8 2 1 Recommandations for installing the 8041 on the PIP EF AH NO wasa EES 1
8. 7 button until D Briefly press push button Wait for 10 s Calibration in progress u Go back to Read mode bargraph goes back to step 1 Fig without confirming the 28 selection displayed Red LED flashes briefly twice zero point has not been calibrated y YES Zero point stored Briefly press push button Y y Go back to Read mode Go back to Read mode O O using the zero point of the previous calibration End of calibration red LED goes off Check that the calibration Restart calibration instructions are respected of the zero flow see beginning chap 9 7 point Fig 29 Calibration of the zero flow point part 2 English 35 burkert FLUID CONTROL SYSTEMS Type 8041 Adjustment and commissioning 9 8 Calibrating the full scale The Fig 30 and the Fig 31 show the relation between the measured fluid velocity and the value of the freguency or current provided by the outputs Full scale error gt m s Calibrated full scale Full scale 20 Fig 30 Relation between the measured fluid velocity and the value of the frequency output Full scale error Jo Calibrated full scale Full scale 20 Fig 31 Relation between the measured fluid velocity and the val
9. for example acid base saline Horizontal mounting Cy Le Correct Incorrect English 19 Ke Type 8041 burkert INstallation Vertical mounting 8 2 2 Installation into the pipe of a 8041 with a G2 nut fow direcion Observe the installation recommendations described at chap 8 2 1 and in the operating instructions of the S020 Correct Incorrect Install the S020 fitting on the pipe Insert the nut see mark 3 Fig 12 on the fitting Fig 10 Filling of the pipe Insert the snap ring mark 2 Fig 12 into the groove mark 5 Fig 12 Position the cable glands parallel to the pipe and insert the w L device mark 1 Fig 12 into the fitting Tighten the nut mark 3 Fig 12 by hand on the device Correct Incorrect 3 Correct Incorrect flow direction Fig 11 Air bubbles within the pipe If necessary use a flow conditioner to improve measurement precision Electrodes GE Flow direction Type 8041 K INstallation burkert 8 2 3 Installation into the pipe of a 8041 8 3 Wiring with a clamp connection AN DANGER Observe the installation recommendations described at Risk of ini A chap 8 2 1 and in the operating instructions of the S020 a Sn cie io one veega Shut down the electrical power source of all the conductors and Install the S020 fitting on the pipe
10. 80 non condensated IP65 with cable connected and cable gland tightened and cover screwed on to the electronic module Protection class acc to EN 60529 Degree of pollution Degree 2 acc to EN 61010 1 Installation category Category acc to EN 61010 1 2000 m Max height above see level 6 2 Conformity to standards and directives The device conforms to the EC directives through the following standards EMC EN 50081 1 EN 61000 6 2 e LVD EN 61 010 1 Pressure article 383 of the Pressure Directive 97 23 CE Acc to the Pressure Directive 97 23 CE the device can only be used in the following cases depending on the max pressure the DN of the pipe and the fluid Type of fluid Fluid group 1 par 1 3 a Conditions Forbidden Fluid group 2 par 1 3 a DN lt 32 or DN gt 32 and PNxDN lt 1000 Fluid group 1 par 1 3 b PNxDN lt 2000 Fluid group 2 par 1 3 b 6 3 Table 1 Wetted parts Holder of the flow sensor DN lt 200 or PN lt 10 or PNxDN Mechanical data lt 5000 PVDF or stainless steel 1 4404 316L Electrodes Stainless steel 1 4404 316L Clamp only clamp version Stainless steel 1 4404 316L Earthing ring only if flow sensor holder in Stainless steel PVDF 1 4404 316L Holder of the electrodes only if flow PEEK sensor holder in stainless steel Seal of the flow sensor v
11. The magnetic system in the flow sensor generates a magnetic field in the fluid perpendicular to the flow direction see Fig 1 The elec trodes on the flow sensor ensure electrical contact with the fluid Type 8041 s Description bu rkert FLUID CONTROL SYSTEMS When the fluid flows over them a voltage is measured between the two electrodes This voltage is proportional to the fluid velocity Compact housing Manufacturing code Relay data Conformity logo Ge EECH Warning Before using the device take into account the tech nical specifications described in these operating instructions 9 Current output 10 Serial number 11 Order code Fig 1 Operating principle of the flow sensor 5 4 Available versions 5 3 Description of the name plate Material Flow sensor Seal of the flow sensor PVDF FKM FLOW 8041 IND LONG SST 18 36V 220mA 4 20mA REL 230VAC 3A CO SN 2135 00552780 Stainless steel FKM Stainless steel FKM Stainless steel EPDM or FEP 1 Ordered separately See chap 11 burkert Made in France Fig 2 Name plate of the device example 1 Power supply Max consumption 2 Measured value and type of the device 3 Specification of the flow sensor English 7 burkert FLUID CONTROL SYSTEMS Type 8041 Technical data 6 TECHNICAL DATA 6 1 Conditions of use Ambient temperature 10 C 60 C Air humidity lt
12. death or in serious injury WARNING Warns against a potentially dangerous situation Failure to observe this warning can result in serious injury or even death ATTENTION Warns against a possible risk Failure to observe this warning can result in substantial or minor injuries NOTE Warns against material damage Failure to observe this warning may result in damage to the device or system Indicates additional information advice or important recommendations AR Refers to information contained in this manual or in other a documents Indicates a procedure to be done Definition of the word device 1 2 The word device used within these operating instructions refers to the flowmeter type 8041 English 3 burkert FLUID CONTROL SYSTEMS Type 8041 Intended use 2 INTENDED USE ee Use of the device that does not comply with the instructions could present risks to people nearby installations and the environment The 8041 flowmeter is intended exclusively to measure the flow rate in liquids This device must be protected against electromagnetic interfer ence ultraviolet rays and when installed outdoors the effects of climatic conditions This device must be used in compliance with the characteristics and commissioning and use conditions specified in the contrac tual documents and in the operating instructions Requirements for the safe and
13. measuring range has been modified the per lithe pipe withituid Q centages set for the low and high switching thresholds are Stop the flow applied to the new full scale selected Calibrate the zero flow point see Fig 28 and Fig 29 O to 2 m s O to 5 m s O to 10 m s O to calibrated full scale between 2 and 10 m s English 33 burkert en FLUID CONTROL SYSTEMS Adjustment and commissioning Notation convention Device in Read mode See general configuration diagram hap 9 3 MH OC chap 9 3 L Red LED state YES Green LED state y Press and hold the push button Y After 2 s device is in Parameterizing mode Bargraph alternates between Zero flow calibration 12345678910 LLED Full scale calibration Release push button when bargraph shows zero flow calibration To calibrate automatically E select the calibration of the go back to the Read mode other parameter l B a burkert Adjustment and commissioning FLUID CONTROL SYSTEMS l yA yB ye To calibrate automatically To select the calibration of the To go back to the Read mode Y other parameter y Press and hold the push
14. 150 TCC 30 50 70 TPC Fig 6 Fluid pressure temperature dependency of the 8041 with a Except DN100 for measuring devices with a clamp connection flow sensor holder in PVDF inserted into an S020 fitting in metal PVDF PVC or PP Fig 7 Fluid pressure temperature dependency of the 8041 with a flow sensor holder in stainless steel inserted into an SO20 fitting in metal PVDF PVC or PP 6 5 Electrical data Power supply 18 36 V DC filtered and regulated Current consumption 220 mA at 18 V DC Power source not limited energy source in accordance to supplied UL 61010 1 paragraph 9 3 Type 8041 Technical qata burkert FLUID CONTROL SYSTEMS Current output Type of output 4 20 mA sinking or sourcing wiring 1 0 16 mA Refresh time 100 ms 1100 Q at 36 V DC 330 O at 18 V DC Accuracy Max loop impedance Frequency output 0 240 Hz 50 1 100 mA max Protected against yes short circuits and polarity reversal Relay output Frequency Duty cycle Max current Normally open or normally closed depending on the wiring 3 A 250 V AC max Alarm 22 mA and 256 Hz 22 mA and 0 Hz Full scale exceeded Error signal 6 6 Electrical connections Type of connection Through two M20x1 5 cable glands Cable specifications cable type Cross section e Diameter of each cable shielded 0 5 to 1 5 mm if only one cab
15. 7 DESCRIPTION nn 6 8 2 2 Installation into the pipe of a 8041 with a G2 nut 20 5 1 Area of application 6 8 2 3 Installation into the pipe of a 8041 with a clamp 5 2 General description 6 CONNEC Oivi iiai ia eaaa 21 5 2 1 Construction e SC SU e D 21 5 9 2 Operating Principles 6 8 3 1 Wiring the 4 20 mA output 24 5 3 Description of the name plate 7 8 3 2 Wiring the frequency output aaa 24 5 4 Available versions i u uuu uuu 7 8 3 3 Wiring the relay output En 26 TECHNICAL DATA u nee ner 8 9 ADJUSTMENT AND COMMISSIONING 6 1 Conditions of Use un ua saa 8 9 1 Safety instructions 6 2 Conformity to standards and directivesu 8 9 2 Description of the electronic board 28 6 3 Mechanical data eeng 8 9 3 General diagram of the Read and EN NO English 1 burkert Type a041 Parameterizing modes 30 14 DISPOSAL OF THE DEVICE 54 9 4 Selecting the frequency of the main supply 32 9 5 Filter selection 32 9 6 Selecting the measurement range 33 9 7 Calibrating the flow zero point 33 9 8 Calibrating the full scale
16. 80 C Fluid pressure with holder of the flow sensor in stainless steel with holder of the flow sensor in PVDF The fluid pressure may be restricted by the fluid temperature the material of the S020 fitting used and the DN of the S020 fitting used see Fig 6 and Fig 7 PN10 with a fitting in plastic PN16 with a fitting in metal FENTO Pipe diameter DN06 to DN400 Type of fitting S020 Fluid conductivity gt 20 uS cm 1 Determined in the following reference conditions fluid water water and ambiant temperatures 20 C upstream and downstream distances respected appropriate pipe dimensions Flow rate measurement Measuring range Linearity Repeatability Accuracy with standard K factor Accuracy with Teach in 0 2t0 10 m s 0 5 of the full scale 0 25 of the measured value 3 5 of the measured value 0 5 of the measured value English 11 Type 8041 burkert Technical qata VDF PN10 Metal 100 for measuring devices with a clamp con nection PN10 er PVDF PN10 I VC PN10 PP PN10 P N O A O ou o0 o O N GQ O O 1 O O O 20 40 60 80 100 120
17. 9 7 Type 8041 Spare parts and accessories burkert FLUID CONTROL SYSTEMS 11 SPARE PARTS AND ACCESSORIES ATTENTION Risk of injury and or damage caused by the use of unsuitable parts Incorrect accessories and unsuitable replacement parts may cause injuries and damage the device and the surrounding area Use only original accessories and original spare parts from B rkert Spare parts Order code Set of 449755 2 M20x1 5 cable glands 2 neoprene flat seals for cable glands or a screw plugs 2 M20x1 5 screw plugs 2 multiway seals 2x6 mm Set of 551782 2 M20x1 5 NPT 1 2 reductions 2neoprene flat seals for cable glands 2M20x1 5 screw plugs Spare parts Order code Set of 558102 1 stopper gasket for an M20x1 5 cable gland 1 multiway seal 2x6 mm for cable gland 1 green FKM seal for the flow sensor of a 8041 with G2 nut 1 mounting instruction sheet Snap ring PPA nut PC nut Set of 619205 440229 619204 552111 1 green FKM seal 1 black EPDM seal Relay connection kit with 552812 Terminal block 1 protective cap 1 cable clip 1 mounting instruction sheet EPDM seal with FDA agreement for a 8041 with a 730837 clamp connection FEP seal with FDA agreement for a 8041 with a 730839 clamp connection Clamp collar 731164 English burkert FLUID CONTROL SYSTEMS Type 8041 Storage Spa
18. LED of the relay LED ON contact closed Fig 14 Terminal assignment Selector Sink source selector of the 4 20 mA output Terminal block 3 Terminal 1 4 20 mA output Terminal 2 V positive voltage Terminal 3 V power supply ground Terminal 4 PE shield of the power supply cable Earth cable coming from the housing and second cable on a version with flow sensor holder in stainless steel see Fig 15 Terminal 5 Pls positive frequency output Terminal 6 Pls negative frequency output Make sure the installation is equipotential power supply 8041 Connect together the various earth spots in the instal lation to eliminate the potential differences that may occur between two earthes In the housing connect the power supply cable shield to terminal no 4 of the electronic board connector Fig 15 On a version with stainless steel flow sensor a second cable is coming from the sensor Connect the negative power supply terminal to the earth to suppress the effects of common mode currents If this connection cannot be made directly a 100 nF 50 V capacitor can be connectec between the negative power supply terminal and the earth marked 1 Fig 16 f the pipes are made of metal connect to the same earth the different metallic instru ments valve pump located near the device marks 2 Fig 16 If the pipes are made of plastic gt insert the metal p
19. Low threshold High threshold Fig 36 Change of state of the relay output in window switching with a relay wired as NC In hysteresis switching see Fig 37 and Fig 38 the state of the relay output is changed when both the high threshold is detected and the fluid velocity increases when both the low threshold is detected and the fluid velocity decreases State of the relay output actived deactivated h H gt m s Low threshold High threshold Fig 37 Change of state of the relay output in hysteresis switching with a relay wired as NO Type 8041 Adjustment and commissioning burkert FLUID CONTROL SYSTEMS State of the relay output actived deactivated Ley gt m s Low threshold High threshold Fig 38 Change of state of the relay output in hysteresis switching with a relay wired as NC Select the way of switching of the relay see Fig 39 and Fig 40 Notation convention for the following diagram OC ___Red LED state Green LED state Device in Read mode See general con figuration diagram oo chap 9 3 YES 1 short press on push button y LL O 12345678910 Bargraph shows current way of switching Hysteresis by default y Press and hold the push button y After 2 s device is in Parameterizing mode Bargraph altern
20. Unit increment LED flashes up to 9 times The LEDs then come on one after the other increment in factors of ten X Release with the desired factor of ten is reached gt 80 Hold gt 2 s Wies CA Hold gt 2 s as TEED Confirm the dis played value Unit increment LED flashes up to 9 times Press and hold to set the units Release with the desired unit is Dr gt 2s l Repeat the sequence if necessary If no action for 10 s the device goes back to Read mode using the parameters from the previous adjustment English burkert FLUID CONTROL SYSTEMS Type 8041 Adjustment and commissioning 9 4 Selecting the frequency of the main supply Switch 1 is used to select the frequency of the current provided by the electricity network Position switch 1 to ON or OFF depending on the frequency of the main supply see Fig 26 chap 9 2 and the following table 9 5 Filter selection The filter is used to attenuate the fluctuations in the flow indicated by the bargraph and on the current and frequency outputs The device can operate with or without filter gt Position switch 2 see Fig 26 chap 9 2 and the following table to activate or deactivate the filter feature disabled enabled When the filter is en
21. abled switch 3 is used to select the filter level slow or fast Slow filter is used to even out high variations in flow example fluid containing air bubbles see Fig 27 Fast filter is used to even out low variations in flow see Fig 27 Flow attenuated with fast filter Actual flow rate Flow attenuated with low filter Fig 27 Flow filters gt Position switch 8 to the filter level selected see Fig 26 and the following table Type 8041 UN burkert FLUID CONTROL SYSTEMS Adjustment and commissioning 9 7 Calibrating the flow zero point slow gt Calibrate the device on commissioning and after each Response time 10 to 90 14 s maintenance task fast e Before calibrating the zero point on commissioning Response time 10 to 90 5 s immerse the measuring element in the fluid for 24 h before calibration 9 6 Selecting the measurement e Before calibrating the zero point after each maintenance range task gt immerse the measuring element in the fluid for 1 h before The output signal is proportional to the measured flow velocity A calibration Switches 4 and 5 are used to adjust the measuring range of the device to your application 1 Before calibration ensure that the pipe does not contain Position switches 4 and 5 to select the measuring range see any air bubbles and that the fluid is not moving Fig 26 and the following table After the
22. arts not provided in the plastic pipes upstream and downstream of the device marked 2 Fig 16 gt connect the metal parts to the same earth Fig 16 Type 8041 INstallation burkert FLUID CONTROL SYSTEMS NOTE The device is not tight if only one or none of the cable glands is used The device is only tight when the cable glands are either wired or sealed To seal a cable gland do the following gt Loosen the nut of the unused cable gland Remove the transparent disk gt Insert the supplied stopper gasket Screw the nut of the cable gland Loosen the nuts of the cable glands Insert each cable through a nut than through a cable gland Power cable shield Earth cable coming from the Second cable on a version with housing a flow sensor holder in stainless steel Fig 15 Earth connection terminal Power cable shield 18 36 VDC Power supply Fig 16 Earthing the device Wire the 4 20 mA current output see 8 3 1 gt Wire the frequency output see 8 3 2 gt Wire the relay output see 8 3 3 gt Put the cover of the housing as described in Fig 17 Screw the 4 screws in an alternating pattern English 23 Kaes Type 8041 burkert INstallation 8 3 1 Wiring the 4 20 mA output 4 20 mA input Power supply The cur
23. atch the seal groove Fig 47 Dismounting the device and location of the seal gt Loosen the nut of the device mark 2 Remove the device from the fitting mark 1 Remove the seal from the groove Clean the seal groove Insert the new O ring in the groove see chap 11 Insert the device into the fitting Tighten the nut mark 2 by hand on the device 10 5 DANGER If you encounter problems Risk of injury due to high pressure in the installation Stop the circulation of fluid and cut off the pressure before loosening the process connections Risk of injury due to electrical voltage Shut down the electrical power source of all the conductors and isolate it before carrying out work on the system Observe all applicable accident protection and safety regula tions for electrical equipment Risk of injury due to high fluid temperatures Use safety gloves to handle the device Stop the circulation of fluid and drain the pipe before loosening the process connections Risk of injury due to the nature of the fluid Respect the prevailing regulations on accident prevention and safety relating to the use of aggressive fluids English 49 burkert FLUID CONTROL SYSTEMS Type 8041 Maintenance and troubleshooting Problem Bargraph state Red LED state Green LED state Current or freque
24. ates between Hysteresis switching von 12345678910 RSR Window switching y Fig 39 Choosing the relay switching way part 1 English 41 burkert Nee FLUID CONTROL SYSTEMS Adjustment and commissioning Release push button when bargraph shows desired way of switching U y To confirm the selection and go back To choose the other way of switching To go back to Read mode without to Read mode confirming the selection Y l Y Briefly press push button gt Press and hold the push button Wait for 10 s until y y Go back to Read mode Go back to Read mode bargraph goes back to step 1 Fig Solo ES Vie Fig 40 Choosing the relay switching way part 2 9 9 2 Viewing and setting the low and high switching thresholds The low switching threshold can be set in the range from 0 to the high switching threshold value The high switching threshold can be set in the range from the low switching threshold value to 100 of the full scale The low and high switching thresholds are set in 2 steps setting the factors of ten setting the units gt Viewing and or setting the low and high switching thresholds see Fig 41 Fig 42 and Fig 43 Type 8041 Adjustment and commissioning burk
25. ctronic counter with its own power Fig 18 Connection of the current output in sourcing mode supply see Fig 23 Type 8041 INstallation burkert FLUID CONTROL SYSTEMS oy vay 4 20 V V PE Pls Pls Ma Fig 22 Connection of the frequency output to an electromecha nical counter or a relay Fig 23 Connection of the frequency output to an electromecha nical counter with its own power supply English 25 Kaes Type 8041 burkert INstallation 8 3 3 Wiring the relay output S Power suppl The relay output operates either in normally open mode NO or in 18 36 VDC normally closed mode NC depending on the connection of the load to the electronic board of the device on the application with a circuit breaker Protect the relay with a fuse 3 A max and depending 250 VAC NJ Protection circuit voltage SELV to the relay o Do not apply both a dangerous voltage and a safety extra low R p Solenoid valve Wire the relay output to operate in normally o
26. ersion with FKM FDA approved G2 nut Type 8041 K Technical qata burkert Table 2 Parts not in contact with the fluid Housing cover nut holder of the flow sensor in PPA glass fiber reinforced stainless steel Holder of the flow sensor holder of the flow sensor in PC glass fiber reinforced Electrodes PVDF Screws of the cover Stainless steel Fig 4 Parts of the flow sensor in stainless steel with a clamp Seal of the cover EPDM Connecaon Seal of the cable gland Neoprene Holder of the flow sensor Earthing ring Electrodes holder Electrodes Fig 3 Parts of the flow sensor holder in stainless steel left or in PVDF right devices with a G2 nut English 9 Welding tab with radius in stainless steel L T EAE Type 8041 burkert Technical qata Table 3 Dimension H in mm of the flowmeter 8041 with a G2 nut and inserted into an S020 fitting Type 8041 Technical qata burkert FLUID CONTROL SYSTEMS Table 4 6 4 Dimension H in mm of the flowmeter 8041 with a clamp connection and inserted into an S020 fitting General data Fluid temperature with holder of the flow sensor in stainless steel with holder of the flow sensor in PVDF The fluid temperature may be restricted by the fluid pressure and the material of the S020 fitting used see Fig 6 and Fig 7 e 15 F150 C 0
27. ert FLUID CONTROL SYSTEMS Notation convention Red LED state Green LED state FS Full scale Device in Read mode 0O See general configu ration diagram chap 9 3 To view low switching threshold To view high switching threshold Press push button twice briefly 0 100 FS Press push button three times briefly u BR O 12345678910 in the example by default FS Bargraph shows current low switching threshold 24 LTT LLD eo 12345678910 Bargraph shows current high switching threshold 8290 in the example by default FS 0 100 FS To set the factors of ten for the low switching threshold Y To set the factors of ten for the high switching threshold Y Press and hold the push button y y After 2 s device is in Parameterizing mode e After 2 s device is in Parameterizing mode e B English burkert FLUID CONTROL SYSTEMS Type 8041 Adjustment and commissioning A B If low switching threshold set to 24 LED no 3 flashes 9 times then stays on 1 flash 1 of the FS If high switching threshold set to 82 LED no 9 flashes 9 times then stays on 1 flash 1 of the FS Nex
28. ert en FLUID CONTROL SYSTEMS Adjustment and commissioning 9 3 General diagram of the Read and Parameterizing modes Read mode Parameterizing mode AT zero calibration SE in progress e gt n x alternately IL x e gt Hold gt 2 s III Release when IConfirm the choice I Full scale calibration desired function is displayed displayed i 9 Hold gt 2 s If no action for 10 s the device goes back to Read mode using the parameters from the previous adjustment Type 8041 Adjustment and commissioning burkert FLUID CONTROL SYSTEMS Y DO OO Current way of w switching e Hysteresis switching C alternately LE 1 Window switching A Confirm the choice displayed desired function is ye gt Xi T I Release when d I I e Jio gt 2s displayed Short press wv DO EEM Current low switching thresho e Short press wv d eo Short press SD v BO Current time del ay before switching Short press gt Current high switching threshold v gt Hold gt 2 s
29. isk of injury due to high fluid temperatures Use safety gloves to handle the device Stop the circulation of fluid and drain the pipe before loosening the process connections Risk of injury due to the nature of the fluid Respect the prevailing regulations on accident prevention and safety relating to the use of aggressive fluids Risk of injury due to electrical voltage Shut down the electrical power source of all the conductors and isolate it before carrying out work on the system Observe all applicable accident protection and safety regulati ons for electrical equipment WARNING Risk of injury due to non conforming maintenance Maintenance must only be carried out by qualified and skilled staff with the appropriate tools Guarantee a set or controlled restarting of the process subse quent to any intervention 10 2 Cleaning the device NOTE The device may be damaged by the cleaning product Clean the device with a cloth dampened with water or a deter gent compatible with the materials the device is made of e Do not use any abrasive acting materials 10 3 Cleaning the electrodes NOTE Dirt on the electrodes may cause measurement errors Regularly clean the wetted parts Rinse the electrodes after cleaning Type 8041 Maintenance and troubleshooting burkert FLUID CONTROL SYSTEMS 10 4 Replacing the seal on a device with G2 nut NOTE Do not scr
30. isolate it before carrying out work on the system Observe all applicable accident protection and safety regula tions for electrical equipment Install the seal mark 1 on the S020 fitting Make sure that the polarizing pin Use a high quality electrical power supply filtered and mark 2 is on the fitting o regulated Insert the device mark 3 into Use cables with an operating temperature limit correct for the fitting Position the device in your application order the arrow on the side of the housing indicates the direction of the flow the totalizers will increment Do not install the cables near high voltage or high fre quency cables If this cannot be avoided observe a min distance of 30 cm Protect the power supply by means of a 300 mA fuse and a switch gt Tighten by hand the clamp collar mark 4 Charge the pipe to make sure the installation is tight gt Loosen the 4 screws of the cover to access the electronic board of the device see Fig 14 flow direction Fig 13 Installation into the pipe of a 8041 with a clamp connection English 21 burkert FLUID CONTROL SYSTEMS Type 8041 INstallation Connector 1 connection of the flat cable coming from the flow sensor to energize the flow sensor Terminal block 2 wiring the relay output C common point NO normally open NC normally closed LED status
31. it is made of not to subject the device to mechanical loads e g by placing objects on top of it or by using it as a step not to make any external or internal modifications to the device to use the device only if in perfect working order and in com pliance with the instructions provided in these operating instructions to observe the general technical rules when installing and using the device NOTE The device may be damaged by the fluid in contact with Systematically check the chemical compatibility of the compo nent materials of the device and the fluids likely to come into contact with it for example alcohols strong or concentrated acids aldehydes alkaline compounds esters aliphatic com pounds ketones halogenated aromatics or hydrocarbons oxidants and chlorinated agents NOTE Elements Components sensitive to electrostatic discharges This device contains electronic components sensitive to electro static discharges They may be damaged if they are touched by an electrostatically charged person or object In the worst case scenario these components are instantly destroyed or go out of order as soon as they are activated To minimise or even avoid all damage due to an electrostatic discharge take all the precautions described in the EN 61340 5 1 and 5 2 norms Also ensure that you do not touch any of the live electrical components burkert FLUID CONTROL SYSTEMS Ty
32. lashes once every second Current or frequency Type 8041 Maintenance and troubleshooting Meaning Cause The electrodes are dirty Recommended action Clean the electrodes see chap 10 3 The electrodes are not in contact with the fluid Make sure the electrodes are always in contact with the fluid Air bubbles appear in the fluid Respect the mounting recommenda tions see chap 8 2 Select the slow filter see chap 9 5 The flow sensor has not been immersed for 24 h before calibration of the flow zero point Respect the calibration procedure see chap 9 7 The flow rate fluctuations are very important Select the slow filter see chap 9 5 Upstream downstream connection has not been Respect the mounting recommenda tions see chap 8 2 The device transmits no current or no frequency at all shows a value Flashes once every second 0 mA and or 0 Hz correctly done The position of the sink source selector is not correct Correctly position the sink source selector see chap 8 3 1 The outputs are not cor rectly wired Check the wiring of the outputs see chap 8 3 1 8 3 2 8 3 3 The sensor does not measure a nil Flashes once every second gt 4 mA and The calibration of the flow zero point has not been correctly done gt Calibrate again see chap
33. le is used 6 12 mm per cable gland if two cables are used per cable gland 4mm with the supplied multi way seal 6 7 K factors The S020 fitting with weld end connections is available o in two versions a version for the measuring devices with a G2 nut and a version for the measuring devices with a clamp connection Use the K factor of the fitting used The device measures the flow velocity in m s of the fluid and converts it into a current in mA and a freguency rating in Hz The current I or the frequency f are proportional to the flow rate O s the proportionality factor is called the K factor f gt K O I K Q 4 with K and K in pulse litre English 13 Ke Type 8041 burkert Quick installation The following formulae are used to calculate the K and K factors 7 QUICK INSTALLATION needed to convert the current or frequency into a flow rate Full scale K factor K K factor K Unpack the device _ 100 _ 20 10 m s K K fitting 3 Kiira Gi K 200 g ako 1 2 Di mis K 3K ON Contact your Biirkert fitting fitting GOrreot agent K 200 K 100 2 m s 1 2 fitting fitting where Rate K factor of the S020 fitting used Example ES Loosen 4 screws and remove D If the full scale of the device is set to 5 m s the value of the current cover e Select the frequency of the main 40 Q 4 supply with
34. llation Stop the circulation of fluid cut off the pressure and drain the pipe before loosening the process connections Risk of injury due to high fluid temperatures Use safety gloves to handle the device Stop the circulation of fluid and drain the pipe before loosening the process connections Risk of injury due to the nature of the fluid Respect the prevailing regulations on accident prevention and safety relating to the use of aggressive fluids Risk of injury due to electrical voltage Shut down the electrical power source of all the conductors and isolate it before carrying out work on the system e Observe all applicable accident protection and safety regulati ons for electrical equipment Type 8041 INstallation burkert FLUID CONTROL SYSTEMS WARNING Risk of injury due to non conforming installation The electrical and fluid installation can only be carried out by qualified and skilled staff with the appropriate tools Install appropriate safety devices correctly rated fuse and or circuit breaker Risk of injury due to unintentional switch on of power supply or uncontrolled restarting of the installation Take appropriate measures to avoid unintentional activation of the installation Guarantee a set or controlled restarting of the process subse quent to any intervention on the device WARNING Risk of injury if the fluid temperature pressure dependency is n
35. lly To select the calibration of the To go back to the Read mode D other parameter 7 Briefly press push button y Wait for 10 s Press and hold the push button until Y Go back to Read mode without con firming the selection displayed Calibration in progress Y RER bargraph goes back to step ma i 1 Eig 32 Y End of calibration red LED Red LED flashes goes off 4 times fluid velocity lt 2 m s y YES 5 times fluid velocity lt 10 m s Full scale value stored The full scale cannot be calibrated u Press push button for 2 s Y Go back to Read mode OO Go back to Read mode using the full scale selected or previously calibrated Fig 33 Calibration of the full scale part 2 Type 8041 K Adjustment and commissioning burkert 9 9 Setting the parameters of the relay output The Fig 34 shows the behaviour of the relay output depending on the parameter settings and the measured velocity m s High threshold Low threshold Connection of the relay output Relay Hysteresis switching activated NO wired re deactivated activated deactivated Switching time out 0 s NC wired relay NO wired re Switching time out 2 s NC wired relay Window switching NO wired re
36. ncy output state Meaning Cause Recommended action The device OFF Flashes once Flashesonce 22 mA and Measuring range Clear the error by briefly pressing the does not briefly every 2 s every second 256 Hz exceeded by more than push button respond 20 Consult the graphs see chap 8 2 1 The device OFF Flashes twice Flashes once 22 mA and The flow zero point cali Clear the error by briefly pressing the does not briefly every 2 s every second 0 Hz bration failed push button respond Check upstream downstream dis tances see chap 8 2 1 Restart the calibration see chap 9 7 If the error persists contact your B rkert retailer The device OFF Flashes 3 times Flashes once 22 mA and The device is out of Contact your Burkert retailer does not briefly every 2 s every second 0 Hz service respond The device OFF Flashes 4 times Flashes once 22 mA and The full scale calibration Clear the error by briefly pressing the does not briefly every 2 s every second 0 Hz failed because the fluid push button respond velocity lt 2 m s Check the fluid velocity Restart the calibration of the full scale see chap 9 8 Type 8041 Maintenance and troubleshooting burkert FLUID CONTROL SYSTEMS Bargraph ere Red LED state Problem OFF Flashes 5 times briefly every 2 s Green LED state Flashes once every second Current or freque
37. ncy output state 22 mA and 0 Hz Meaning Cause The calibration of the full scale failed because the fluid velocity gt 10 m s The device is not connected Recommended action Clear the error by briefly pressing the push button Check the fluid velocity gt Restart the calibration of the full scale see chap 9 8 Connect the device The fuse of the installation is in a bad condition Replace the fuse The switch of the instal lation is set to OFF The power supply has been wrong connected to the and terminals gt Position the installation switch to ON Check the wiring see chap 8 3 1 8 3 2 8 3 3 Flashes irreg ularly or is off OmA and 0 Hz The power supply is not stable Replace the power supply OFF OmA and 0 Hz The device is out of service Return the device to your Burkert retailer Incorrect flow measurement Flashes once every second The K factor has not been correctly calculated gt Recalculate the K factor see chap 6 7 All the LEDs are ON Flashes once every second 20 mA and Measuring range exceeded by less than 20 Select the higher measuring range see chap 9 6 English Problem The flow rate measure ments are not stable Bargraph state Unstable burkert FLUID CONTROL SYSTEMS Red LED state Green LED state F
38. njuries and damage the device and its surroundings The operators in charge of operating must have read and under stood the contents of these operating instructions In particular observe the safety recommendations and intended use The device installation must only be operated by suitably trained staff English 27 burkert FLUID CONTROL SYSTEMS Type 8041 Adjustment and commissioning WARNING Danger due to non conforming commissioning Non conforming commissioning can lead to injuries and damage the device and its surroundings Before commissioning make sure that the staff in charge have read and fully understood the contents of these operating instructions n particular observe the safety recommendations and intended use The device the installation must only be commissioned by suit ably trained staff NOTE The device may be damaged by the environment Protect this device against electromagnetic interference ultraviolet rays and when installed outdoors the effects of the climatic conditions When the device is energized and if the cover is open there is no protection against electric shocks 9 2 Description of the electronic board The device has 2 operating modes the Read mode and the Param eterizing mode The functions of each mode are summarised in the following table Operating mode Functions To view the fluid velocity measured by the device
39. ot respected Observe the fluid temperature pressure dependency according to the nature of the material of the fitting used see Fig 6 and Fig 7 8 2 Installation onto the pipe 8 2 1 Recommandations for installing the 8041 on the pipe Choose a fitting appropriate to the velocity of the fluid inside the pipe refer to the graphs below English 17 9 97 NIG 40 Ada AWSV SZ8r S9 c98G OSI LLOE SWS 01 998 suono uuoo dweep UUM g oBuey 0981 I NIG JO Add JNSY 9787 S8 800 SINS 01 ooe suoioouuoo pu p A UM Gr L SINS 0 998 suonoeuuoo pe iy JEULSIXS UU sBulyqy 94 404 Ky00Je Dm sd oc 9 L go 0 s u 90 0 Type 8041 INstallation 9NG 8Nd jdwexg OTNG 40 SING SING XSGNG OZNA ZENG SCHO KONG ZENG dia OSNA OVNG S9NG OSNA 0O8NA SY9NA r000g 00LNA O8NA 0008 DOINO T 0009 S LNQ e OSING f 00001 OO0cNOd 0001 Ke E 00ENA T 00001 OSENd 00009 0001 flow rate 00006 000s FLUID CONTROL SYSTEMS 00rNGQ J 00002 oos F ano au yu ud sn sBuimi p ysu lse eu 10 OGNA 40 OPN wep edid egeudoidde oui send ude B y u 1190 e MOJ pue e1 MOJ UBOMJ9q UuoljoesJojul uonnjoS S W g pue
40. pe 8041 General information 4 GENERAL INFORMATION Manufacturers address and international contacts 4 1 To contact the manufacturer of the device use following address B rkert SAS Rue du Giessen BP 21 F 67220 TRIEMBACH AU VAL You may also contact your local B rkert sales office They can also be found on the Internet under www burkert com 4 2 The condition governing the legal warranty is the conforming use of the device in observance of the operating conditions specified in these operating instructions Warranty conditions 4 3 Information on the Internet You can find the user manuals and technical data sheets regarding the type 8041 at www burkert com 5 DESCRIPTION 5 1 The device is used to measure the flow of neutral or slightly aggressive fluids with a conductivity of more than 20 uS cm in DNO6 to DN400 pipes Area of application 5 2 General description 5 2 1 The device comprises an electronic module and a PVDF or stainless steel measurement sensor Construction The flow sensor comprises two electrodes and a magnetic system The connection of the device to the process is made depending on the version either by a G2 nut or a clamp Electrical connection is made via two cable glands on a 6 pin terminal block The device requires an 18 36 VDC power supply and has a frequency output a relay output a 4 20 mA current output 5 2 2 Operating principle
41. pen mode or alarm see Fig 24 or in normally closed mode see Fig 25 250 VAC 3 A max Earth the device see Fig 24 or Fig 25 Relay protection cap If direct earthing is not possible connect a 100 nF 50 V condensator between the negative terminal of the voltage supply and the earth Fig 24 Connection of the relay output for a normally open operating Type 8041 Adjustment and commissioning burkert FLUID CONTROL SYSTEMS Power supply 18 36 VDC 300 mA mili 23456 7y KS 250 VAC LI 4 20 V VE PE Pls Pis Protection circuit Solenoid valve or alarm 250 VAC 3 A max Relay protection cap If direct earthing is not possible connect a 100 nF 50 V condensator between the negative terminal of the voltage supply and the earth Fig 25 Connection of the relay output for a normally closed operating 9 ADJUSTMENT AND COMMISSIONING 9 1 Safety instructions DANGER Risk of injury due to electrical voltage Observe all applicable accident protection and safety regula tions for electrical equipment WARNING Risk of injury due to non conforming operating Non conforming operating could lead to i
42. proper operation of the device are proper transport storage and installation as well as careful operation and maintenance Only use the device as intended Observe any existing restraints when the device is exported 3 BASIC SAFETY INFORMATION This safety information does not take into account any contingencies or occurences that may arise during installation use and maintenance of the devices the local safety regulations for which the operating company is responsible including the staff in charge of installation and maintenance A Danger due to high pressure in the installation Danger due to electrical voltage Danger due to high temperatures of the fluid Danger due to the nature of the fluid A Various dangerous situations To avoid injury take care to prevent any unintentional power supply switch on to ensure that installation and maintenance work are carried out by qualified authorised personnel in possession of the appropriate tools to guarantee a defined or controlled restarting of the process after a power supply interruption Type 8041 Basic safety information burkert FLUID CONTROL SYSTEMS N Various dangerous situations cont d To avoid injury take care not to use the device for the measurement of gas flow rates not to use the device in explosive atmospheres not to use the device in an environment incompatible with the materials
43. re parts Set of 565384 1 stopper gasket for an M20 x 1 5 cable gland 1 multi way seal 2 x 6 mm for a cable gland 12 PACKAGING TRANSPORT ATTENTION Damage due to transport Transport may damage an insufficiently protected device Transport the device in shock resistant packaging and away from humidity and dirt Do not expose the device to temperatures outside the admis sible storage temperature range Protect the electrical interfaces using protective plugs 13 STORAGE ATTENTION EE Poor storage can damage the device Store the device in a dry place away from dust Storage temperature 20 60 C Humidity lt 80 non condensated 14 DISPOSAL OF THE DEVICE Dispose of the device and its packaging in an environmentally friendly way ATTENTION Damage to the environment caused by products contami nated by fluids Keep to the existing provisions on the subject of waste disposal and environmental protection Note Q Comply with the national and or local regulations which concern the area of waste disposal wee burkert FLUID CONTROL SYSTEMS English 55 burkert FLUID CONTROL SYSTEMS Type 8041 MAN 1000211865 EN Version Status RL released freigegeben printed 19 01 2015 burkert FLUID CONTROL SYSTEMS www burkert com MAN 1000211865 EN Version Status RL released freigegeben printed 19 01 2015
44. rent output of the 8041 can be connected to a PLC or a at a valve either in sourcing mode or in sinking mode instrument 18 36 VDC Set the selector of the electronic board to the sourcing or the sinking position see Fig 18 or Fig 19 Connect the 4 20 mA output in sourcing mode see Fig 18 or in sinking mode see Fig 19 Earth the device see Fig 18 or Fig 19 SE 4 20 V V PE Pls Pls 1 4 gt lt gt Selector to sink a 34 5 6 If direct earthing is not possible connect a 100 nF 50 V condensator between the negative terminal of the voltage supply and the earth 4 20 mA input Power supply at external instrument 18 36 VDC Fig 19 Connection of the current output in sinking mode 8 3 2 Wiring the freguency output gt lt gt Selector to Ll 4 5 6 source Connect the frequency output 4 20 V V PE Dain toaPLC in PNP or in NPN mode see Fig 20 and Fig 21 If direct earthing is not possible connect a 100 nF 50 V condensator orto a load sueh assan electromeohanical counter ora rolay between the negative terminal of the voltage supply and the earth see Fig 22 orto a load such as an ele
45. switch 1 see chap i fitting 9 4 with I in mA K in pulse litre and O in I s fitting Select the filter with switches 2 C and 3 see chap 9 5 y a Select the current output type see chap 8 3 1 Type 8041 Quick installation burkert FLUID CONTROL SYSTEMS Select the measuring range with switches 4 and 5 see chap 9 6 Install the device on the pipe gt Thread the cables through the cable glands and make the con nections to the electronic board see chap 8 3 _ Connect the shield on the power cable to the earth see chap 8 3 gt Fill the pipe gt Energize the device Calibrate the flow zero point see chap 9 7 Calibrate the full scale of the Installation Calibrate the full scale see chap 9 8 No The 10 bargraph LEDs N_ 5 Make go ON sure the fluid velocity gt 2 m s and lt 10 m s Set the relay output parameters see chap 9 9 English burkert FLUID CONTROL SYSTEMS Type 8041 INstallation Y Green LED flashes once gt No see chap 10 5 yyes Put the cover on the device as dsecribed in Fig 17 chap 8 3 gt _ Tighten the 4 screws of the cover in an alternating pattern The device is ready for use 8 INSTALLATION 8 1 Safety instructions DANGER Risk of injury due to high pressure in the insta
46. t LEDS come on one after the other until they show the factor of ten for the current high switching threshold 1 LED ON 10 of the FS Next LEDS come on one after the other until they show the factor of ten for the current low switching threshold 1 LED ON 10 of the FS of LEDs is on Release the push button when desired number To set the units for the low switching threshold Y Briefly press push button After 2 s next LED flashes 1 flash 1 of the FS Release the push button when desired number of LEDs is on To set the units for the high switching threshold Y Briefly press push button y After 2 s next LED flashes 1 flash 1 of the FS Ltb Release push button when LED has flashed the desired number of times Fig 42 Setting the relay switching thresholds part 2 gees burkert Adjustment and commissioning FLUID CONTROL SYSTEMS c Y To confirm the selection and go To modify the value displayed To go back to Read mode back to Read mode 7 without confirming the value set Y Press and hold the push button Wait for 10 s 7 y Release the push button y LER me when desired number of Go back to Read mode W O LEDs is on MO I Fig 43 Setting the relay switching thresholds part 3 Briefly press push button
47. ue of the current output If no predefined measuring range is applicable to your process the device can be calibrated with the actual max flow velocity of the application The low bound of the measuring range is 0 m s gt Position the switches 4 and 5 to ON see Fig 26 chap 9 2 Install the device on the pipe as described in chap 8 Allow the fluid to circulate in the pipe at maximum velocity gt Calibrate the full scale see Fig 32 and Fig 33 Type 8041 K Adjustment and commissioning burkert FLUID CONTROL SYSTEMS Notation convention Device in Read mode NO See general configuration diagram OO W O chap 9 3 Red LED state Green LED state YES Press and hold the push button After 2 s device is in Parameterizing mode Bargraph alternates between Zero flow calibration Full scale calibration 12345678910 Release push button when bargraph shows full scale calibration U v i To calibrate automatically To select the calibration of To go back to the Read mode the other parameter B Fig 82 Calibration of the full scale part 1 English 37 burkert eege FLUID CONTROL SYSTEMS Adjustment and commissioning y y To calibrate automatica
48. y before switching set to 52 s LED no 6 flashes 9 times then stays on Next LEDs come on one after the other Y Release the push button when desired number of LEDs is on 1LEDON 10s To set the seconds of the time delay before switching Press and hold the push button After 2 s next LED flashes 1 flash 1 s Release push button when LED has flashed the desired number of times Fig 45 Setting the time delay before relay switching part 2 Type 8041 K burkert FLUID CONTROL SYSTEMS Adjustment and commissioning C D U To go back to Read mode without To modify the seconds of the To go back to Read mode without confirming the value set time delay before switching confirming the value set i Briefly press push button Press and hold the push I button Wait for 10 s Release push button when LED has flashed the desired number of times Fig 46 Setting the time delay before relay switching part 3 English 47 burkert FLUID CONTROL SYSTEMS Type 8041 Maintenance and troubleshooting 10 MAINTENANCE AND TROUBLESHOOTING 10 1 Safety instructions DANGER Risk of injury due to high pressure in the installation Stop the circulation of fluid cut off the pressure and drain the pipe before loosening the process connections R
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