Endress+Hauser FMU 40 Description Of Instrument Functions Download Page 13

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Prosonic M

3 Function group "basic setup" (00)

Hauser

Function group "basic setup" (00)

3.1

Function "measured value" (000)

This function displays the current measured value in the selected unit
(see "

customer unit

(042)

function). The number of places after decimal point can be

selected in the "

no.of decimals

(095)

function.

3.2

Function "tank shape" (002)

This function is used to select the tank shape.

Selection

HAUSER
Prosonic M

dome ceiling

flat ceiling

sphere

horizontal cyl

bypass

stilling well

(ultrasonic guide pipe)

no ceiling

e.g. dumps, open levels

chanels, weirs

Summary of Contents for FMU 40

Page 1: ...8 Valid as of software version V 01 02 00 amplifier V 01 02 00 communication prosonic M FMU 40 41 43 with HART PROFIBUS PA and Foundation Fieldbus Ultrasonic Level Measurement Description of Instrument Functions FMU 40 FMU 41 FMU 43 ...

Page 2: ...3333 PA FF 52010993 Prosonic M Quick Setup dome ceiling horizontal cyl bypass unknown liquid 4 mm 4 mm standard calm surface add agitator input E see sketch input F see sketch ok too small too big unknown manual displayed see sketch D and L are confirm or specify range suggestion 000 measured value Group selection 00 basic setup 01 safety settings 0C system parameter 0E Envelope curve 04 linearisa...

Page 3: ...29 5 3 Function max meas temp 032 29 5 4 Function react high temp 033 30 5 5 Function defect temp sens 034 30 6 Function group linearisation 04 31 6 1 Function level ullage 040 31 6 2 Function linearisation 041 32 6 3 Function customer unit 042 36 6 4 Function table no 043 37 6 5 Function input level 044 37 6 6 Function input volume 045 38 6 7 Function max scale 046 38 6 8 Function diameter vessel...

Page 4: ...or 0A0 60 11 2 Function previous error 0A1 60 11 3 Function clear last error 0A2 60 11 4 Function reset 0A3 61 11 5 Function unlock parameter 0A4 62 11 6 Function measured dist 0A5 63 11 7 Function measured level 0A6 64 11 8 Function application par 0A8 64 12 Function group system parameters 0C 65 12 1 Function tag no 0C0 65 12 2 Function device tag 0C0 Foundation Fieldbus only 65 12 3 Function Pr...

Page 5: ...ate a function description This guides you step by step from the highest level the function groups to the exact function description you require All the available function groups and instrument functions are listed in the table see Page 11 Select your required function group or function You can access an exact description of the function group or function by using a page reference 1 3 Using the in...

Page 6: ...setup 00 function group include e g tank shape 002 medium property 003 process cond 004 empty calibr 005 etc If for example the application of the instrument is to be changed carry out the following procedure 1 Select the basic setup 00 function group 2 Select the tank shape 002 function where the existing tank shape is selected 1 4 1 Identifying the functions For simple orientation within the fun...

Page 7: ...P 65 IP 65 Order Code Ser No Order Code Ser No Messbe reich Measur ing range Messbe reich Measur ing range U 16 36 V DC 4 20 mA U 16 36 V DC 4 20 mA max 20 m max 20 m Made in Germany Maulburg Made in Germany Maulburg T 70 C A t 85 C T 70 C A t 85 C LCD liquid crystal display Symbols 3 keys bargraph help texts envelope curve label position in menu value unit symbol measured value display group sele...

Page 8: ...munication symbol appears when a data transmission via e g HART PFOFIBUS PA or Foundation Fieldbus is in progress SIMULATION_SWITCH_ENABLE This communication symbol appears when simulation in FF is enabled via the DIP switch Key s Meaning or Navigate upwards in the selection list Edit numeric value within a function or Navigate downwards in the selection list Edit numeric value within a function o...

Page 9: ...ected parameter c confirms the edited value system quits Edit mode d interrupts selection system quits Edit mode a Press or to edit the first character of the e g empty calibr 005 b positions the cursor at the next character a until you have completed your input c if a symbol appears at the cursor press to accept the value entered system quits Edit mode d if a symbol appears at the cursor press to...

Page 10: ...e following message appears ß After 5 s or after you have pressed the following message appears Select the language this message appears the first time the instrument is switched on ß Select the basic unit this message appears the first time the instrument is switched on ß Þ The current measured value is displayed ß After is pressed you reach the group selection This selection enables you to perfo...

Page 11: ...3 Page 24 delay time 014 Page 25 safety distance 015 Page 25 in safety dist 016 Page 26 ackn alarm 017 Page 28 temperature 03 Þ measured temp 030 Page 29 see Page 29 max temp limit 031 Page 29 ß max meas temp 032 Page 29 react high temp 033 Page 30 defect temp sens 034 Page 30 linearisation 04 Þ level ullage 040 Page 31 see Page 31 linearisation 041 Page 32 ß customer unit 042 Page 36 table no 043...

Page 12: ...mA value Page 52 display value PROFIBUS PA only 069 Page 52 envelope 0E Þ plot settings 0E1 Page 53 see Page 53 recording curve 0E2 Page 53 ß envelope curve display 0E3 Page 54 display 09 Þ language 092 Page 56 see Page 56 back to home 093 Page 56 ß format display 094 Page 57 no of decimals 095 Page 57 sep character 096 Page 57 display test 097 Page 58 diagnostics 0A Þ present error 0A0 Page 60 se...

Page 13: ...cted unit see customer unit 042 function The number of places after decimal point can be selected in the no of decimals 095 function 3 2 Function tank shape 002 This function is used to select the tank shape Selection Þ Þ Þ ENDRESS HAUSER Prosonic M dome ceiling flat ceiling sphere horizontal cyl bypass stilling well ultrasonic guide pipe no ceiling e g dumps open levels chanels weirs ...

Page 14: ...andard liquids calm surface turb surface For all fluid applications which do not fit in any of the following groups Storage tanks with immersion tube or bottom filling Storage accumulation tanks with uneven surface due to free filling mixing nozzles or small bottom stirrers The filters and output damping are set to average values The averaging filters and output damping are set to large values Sta...

Page 15: ...table measured value Medium reaction time The averaging filters are set to small values Rapid reaction time Possibly unstable measured value The filter and output damping are set to average values solid dusty conveyor belt Test no filter Dusty bulk solids Bulk solids with rapid level change All the filters can be switched off for purposes of service and diagnosis The filters are set to detect even...

Page 16: ...ero Caution For dish bottoms or conical outlets the zero point should be no lower than the point at which the radar beam hits the bottom of the tank 3 6 Function blocking dist 059 In this function the blocking distance is displayed Level echoes within the blocking distance can not be detected by the Prosonic M Make sure that the maximum level will never run into the blocking distance Þ 100 0 E E e...

Page 17: ...signals a warning or an alarm depending on your selection in the in safety distance 016 function 3 8 Display 008 The distance measured from the sensor membrane to the product surface and the level calculated with the aid of the empty calibration are displayed Check whether the values correspond to the actual level or the actual distance The following cases can occur Distance correct level correct ...

Page 18: ...ested in the range of mapping 052 function Anyway it is wise to carry out a mapping even in this case dist too small At the moment an interference is being evaluated Therefore a mapping is carried out including the presently measured echoes The range to be suppressed is suggested in the range of mapping 052 function dist too big This error cannot be remedied by interference echo mapping Check the ...

Page 19: ...nce point is always the sensor membrane This value can be edited by the operator For manual mapping the default value is 0 m 3 11 Funktion start mapping 053 This function is used to start the interference echo mapping up to the distance given in range of mapping 052 Selection off no mapping is carried out on mapping is started Note If a mapping already exists it is overwriten up to the distance sp...

Page 20: ...the actual level or the actual distance The following cases can occur Distance correct level correct basic setup completed Distance incorrect level incorrect a further interference echo mapping must be carried out check distance 051 Distance correct level incorrect check empty calibr 005 Note After the basic setup an evaluation of the measurement with the aid of the envelope curve display 09 funct...

Page 21: ...10 This function is used to select the reaction of the device on an alarm Selection MIN 3 6mA MAX 22mA hold user specific MIN 3 6 mA If the instrument is in alarm state the output changes as follows HART MIN Alarm 3 6 mA 2 4 mA for four wire instruments PROFIBUS PA MIN Alarm 99999 Þ Þ 110 10 3 6 2 4 t mA 22 99999 t HART PROFIBUS PA ...

Page 22: ... changes as follows HART MAX Alarm 22 mA PROFIBUS PA MAX Alarm 99999 hold If the instrument is in alarm state the last measured value is held user specific If the instrument is in an alarm state the output is set to the value configured in output on alarm 011 x mA Caution This selection is available for HART devices only ...

Page 23: ...cted user specific in the output on alarm 010 function Caution This function is available for HART devices only 4 3 Function outp echo loss 012 Use this function to set the output response on echo loss Selection alarm hold ramp min alarm On echo loss the instrument switches to alarm state after an adjustable delay time 014 The output response depends on the configuration set in output on alarm 010...

Page 24: ...ho loss a warning is generated after a definable delay time 014 The output is changed towards 0 or 100 depending on the slope defined in ramp span min 013 4 4 Function ramp span min 013 Ramp slope which defines the output value on echo loss This value is used if ramp span min is selected in outp echo loss 012 The slope is given in of the measuring range per minute ß Þ ...

Page 25: ...which the instrument switches to alarm state 4 6 Function safety distance 015 A configurable safety distance is placed before the blocking dist 059 Page 43 This distance warns you that any further level increase would make the measurement invalid because the blocking distance would be compromised Enter the size of the safety distance here The default value is 0 1 m Þ safety distance SD blocking di...

Page 26: ...nt enters the defined alarm state output on alarm 011 The alarm message E651 level in safety distance risk of overspill is displayed If the level drops out of the safety distance the alarm warning disappears and the instrument starts to measure again warning Instrument displays a warning E651 level in safety distance risk of overspill but continues to measure If the level leaves the safety distanc...

Page 27: ...ding Instrument switches to defined alarm state output on alarm 011 The alarm message E651 level in safety distance risk of overspill is displayed If the level leaves the safety distance the measurement continues only after a reset of the self holding function ackn alarm 017 ...

Page 28: ...sonic M 28 Endress Hauser 4 8 Function ackn alarm 017 This function acknowledges an alarm in case of self holding Selection no yes no The alarm is not acknowledged yes Acknowledgement takes place Þ Þ ß After 3 s the following message appears ...

Page 29: ...031 In this function the maximum permitted temperature of the sensor is displayed The tem perature unit is determined by the function temperature unit 0C6 If this tempera ture is exceeded the sensor may become damaged 5 3 Function max meas temp 032 In this function the maximum temperature which has ever been measured at the senosr is displayed The temperature unit is determined by the function tem...

Page 30: ... Alarm The current output adopts the value defined in the funcion output on alarm 010 Additionally an error message is displayed 5 5 Function defect temp sens 034 In this function you determine how the Prosonic M will react if the maximum permitted temperature of the sensor is exceeded You may choose one of the following options Alarm The current output adopts the value defined in the funcion outp...

Page 31: ...ustomer units The measured value can be linearised The linearisation 041 default value is set to a linear 0 100 level DU Level in the selected distance unit 0C5 ullage CU Ullage in customer units The value can be linearised The linearisation 041 default value is set to a linear 0 100 ullage DU Ullage in the selected distance unit 0C5 Note Reference point for the ullage is full calibr span Þ Þ ...

Page 32: ... is then displayed in the selected unit This function is used to select the linearisation modes Selection linear horizontal cyl manual semi automatic table on clear table linear The tank is linear e g a cylindrical vertical tank You can measure in customer units by entering a maximum volume weight You can select the customer unit 042 Define the volume value corresponding to the calibration in max ...

Page 33: ...irs for the linearisation curve points are known The level values must be given in ascending order The curve is monotonously increasing The level heights for the first and last points on the linearisation curve correspond to empty and full calibration respectively The linearisation takes place in the basic setup unit distance unit 0C5 Each point 2 in the table is described by a value pair level 3 ...

Page 34: ...firming 0 00 m as the level or 0 00 as the volume activate the Edit mode with or Entries can be made into the linearisation table in ToF Tool using the table editor You can also display the contents graphically Þ ß Select the table point Point 1 ß Enter the level belonging to Point 1 ß Enter the corresponding volume ß Enter a further table point ß Next table point ß Continue until next point 045 i...

Page 35: ...res pay attention to the following points The number of points must be known in advance The first table number 32 number of points Entries in Tab no 043 are made in reverse order last entry 1 table on An entered linearisation table only becomes effective when activated clear table Before making entries into the linearisation table any existing tables must be deleted The linearisation mode automati...

Page 36: ...ith this function Selection Volume l hl m3 dm3 cm3 ft3 usgal i gal Weight kg t lb ton Length m ft mm inch Flow l s l min l h m3 s m3 min m3 h ft3 s gal s gal m gal hr mgal d igal s igal min igal h Dependence The units of the following parameters are changed measured value 000 input volume 045 max scale 046 simulation value 066 Þ ...

Page 37: ...sation table Dependence Updates input level 044 input volume 045 6 5 Function input level 044 You can enter the level for each point of the linearisation curve with this function When the linearisation curve is entered semi automatically Micropilot detects the level automatically User input Level in distance unit 0C5 ß ß Þ ß ß Þ ß ...

Page 38: ... customer unit 042 6 7 Function max scale 046 You can enter the end value of the measuring range with this function This input is necessary if you selected linear or horizontal cyl in the linearisation 041 function 6 8 Function diameter vessel 047 Enter the tank diameter with this function This entry is necessary if you selected horizontal cyl in the linearisation 041 function ß Þ ß ß ß Þ ß Þ ...

Page 39: ...ance 059 mapping leads to the functions for an interference echo suppression tank map 051 053 extended map leads to the functions pres map dist 054 and cust tank map 055 7 2 Function check distance 051 This function triggers the mapping of interference echoes To do so the measured distance must be compared with the actual distance to the product surface The following options are available for sele...

Page 40: ...ig This error cannot be remedied by interference echo mapping Check the application parameters 002 003 004 and empty calibr 005 dist unknown If the actual distance is not known no mapping can be carried out manual A mapping is also possible by manual entry of the range to be suppressed This entry is made in the range of mapping 052 function Caution The range of mapping must end 0 5 m 20 before the...

Page 41: ...f mapping 052 Selection off no mapping is carried out on mapping is started Caution If a mapping already exists it is overwriten up to the distance specified in range of mapping 052 Beyond this value the existing mapping remains unchanged 7 5 Function pres map dist 054 Displays the distance up to which a mapping has been recorded A value of 0 indicates that no mapping was recorded so far Þ Þ ...

Page 42: ... using the customer tank map Page 70 reset Deletes the complete tank map 7 7 Function echo quality 056 The echo quality is the benchmark for measurement reliability It describes the amount of reflected energy and depends primarily on the following conditions Surface characteristics waves foam etc Distance between sensor and product Low values increase the probability that the echo is lost through ...

Page 43: ... A high value attenuates for example the influences of rapid changes on the measured variable User input 0 255 s The default value depends on the selected application parameters tank shape 002 medium property 003 and process cond 004 7 10 Function blocking dist 059 In this function the blocking distance is displayed Level echoes within the blocking dis tance can not be detected by the Prosonic M M...

Page 44: ...t at 4mA in multidrop mode Caution This function is available for HART devices only 8 2 Function instrument addr 060 PROFIBUS PA only The PA bus address is displayed in this field The address is set either directly on the instrument using DIP switches see instrument operating instructions or using a special SetSlaveAddress command via the bus e g by the ToF Tool Caution This function is available ...

Page 45: ...e in the value is advisable for bad lines with communications problems Caution This user input is available for HART devices only 8 4 Function ident number 061 PROFIBUS PA only manufacturer profile manufacturer Set to152C hex according to manufacturer PNO registered profile Setting defined as in PA Profile 3 0 9700 hex instrument with one AI block Caution This function is available for PROFIBUS PA...

Page 46: ...imum output 10 3 8 mA for HART on minimum output 0 4 mA for HART Caution This user input is available for HART devices only 8 6 Function set unit to bus 062 PROFIBUS PA only confirm After confirming this function the unit of the measured variable is taken over in the AI block PV scale Out scale This function must always be executed after changing the unit Caution This function is available for PRO...

Page 47: ...ing range will be mapped to the current intervall 4 20 mA Use the functions 4 mA value 068 and 20 mA value 069 to define the concerning range fixed current The current is fixed The measured value is transmitted by the HART signal only The value of the current is defined in the fixed current 064 function Caution This function is active for HART devices only 8 8 Function out value 063 PROFIBUS PA on...

Page 48: ...ction This entry is necessary when you have switched on the fixed current 063 function User input 3 8 20 5 mA Caution This user input is available for HART devices only 8 10 Function out status 064 PROFIBUS PA only Displays the current output status for value see operating instructions of relevant instrument Caution This function is available for PROFIBUS PA devices only Þ Þ ...

Page 49: ...sim off Simulation is switched off sim level Enter the level value in simulation value 066 The functions measured value 000 measured level 0A6 output current 067 only with HART instruments follow the entered values sim volume Enter the volume value in simulation value 066 The functions measured value 000 output current 067 only with HART instruments follow the entered values sim current HART only ...

Page 50: ... function the following message appears in the display you can enter the level Þ After selecting the sim volume option in the simulation 065 function the following message appears in the display you can enter the volume Þ After selecting the sim current option in the simulation 065 function the following message appears in the display Enter the output current only for HART instruments ...

Page 51: ...067 PROFIBUS PA only Selects the second cyclical value height dist The Prosonic M always transmits the distance as the second cyclical value Caution This function is available for PROFIBUS PA devices only 8 15 Function 4mA value 068 HART only In this function specify the level or volume weight flow resp at which the output cur rent should be 4 mA This value will be used if you choose the option cu...

Page 52: ...on Caution This function is available for PROFIBUS PA devices only 8 17 Function 20mA value 069 HART only In this function specify the level or volume weight flow resp at which the output cur rent should be 20 mA This value will be used if you choose the option curr turn down in the current output mode 063 function 8 18 Function display value 069 PROFIBUS PA only This field can be set externally e...

Page 53: ... Page 71 env curve cust map i e customer tank map is also displayed see Page 70 9 2 Function recording curve 0E2 This function defines whether the envelope curve is read as a single curve or cyclic Note If the cyclical envelope curve is active in the display the measured variable is refreshed in a slower cycle time It is therefore recommended to exit the envelope curve display after optimising the...

Page 54: ...Horizontal Zoom mode Firstly go into the envelope curve display see Page 31 Then press or to switch to the envelope curve navigation You are then in Horizontal Zoom mode Either or is displayed You now have the following options increases the horizontal scale reduces the horizontal scale minimum distance of the plot maximum distance of the plot distance of evaluated echo interference echo evaluated...

Page 55: ...witch to Vertical Zoom mode is displayed You now have the following options increases the vertical scale reduces the vertical scale The display icon shows the current zoom factor to Exiting the navigation Press E again to run through the different modes of the envelope curve navigation Press and to exit the navigation The set increases and shifts are retained Only when you reactivate the recording...

Page 56: ...añol Italiano Nederlands Dependence All texts are changed Caution This function is not visualised in Commuwin II 10 2 Function back to home 093 If no entry is made using the display during the specified time period the display returns to the measured value display 9999 s means that there is no return User input 3 9999 s Caution This function is not visualised in Commuwin II Þ Þ Þ ...

Page 57: ...isplay e g 10 70 1 16 The measured value is given in the display in this format e g 5 05 14 16 This option is only possible for distance unit 0C5 ft and in Caution This function is not visualised in Commuwin II 10 4 Function no of decimals 095 Selection x x x x xx x xxx 10 5 Function sep character 096 Selection The decimal place is separated by a point The decimal place is separated by a comma Þ Þ...

Page 58: ...10 Function group display 09 Prosonic M 58 Endress Hauser 10 6 Function display test 097 All display pixels are switched on If the whole LCD is dark it is working correctly Þ ...

Page 59: ... the highest priority is the one shown on the display The measuring system distinguishes between two types of error A Alarm Instrument goes into a defined state e g MAX Indicated by a constant symbol For a description of the codes see Page 73 W Warning Instrument continue measuring error message is displayed Indicated by a flashing symbol For a description of the codes see Page 73 E Alarm Warning ...

Page 60: ...on present error 0A0 The present error is shown using this function 11 2 Function previous error 0A1 The last error presented is shown with this function 11 3 Function clear last error 0A2 Selection keep erase Caution This function can be performed on the display only Þ Þ Þ ...

Page 61: ...to the default values The customer specific tank map is not deleted A linearisation is switched to linear although the table values are retained The table can be reactivated in the linearisation 04 function group List of functions that are affected by a reset The tank map can also be reset in the cust tank map 055 function of the extended calibr 05 function group This reset is recommended whenever...

Page 62: ... 2456 must be entered in unlock parameter 0A4 in the diagnostics 0A function group The lock is shown on the display by the symbol and can be released again either via the display or by communication Hardware lock The instrument is locked by pressing the and and keys at the same time The lock is shown on the display by the symbol and can only be unlocked again via the display by pressing the and an...

Page 63: ...same time the user is asked to enter the unlock parameter 100 for HART devices 2457 for PROFIBUS PA and Foundation Fieldbus devices Caution Changing certain parameters such as all sensor characteristics for example influences numerous functions of the entire measuring system particularly measuring accuracy There is no need to change these parameters under normal circumstances and consequently they...

Page 64: ... par 0A8 Displays whether or not one of the settings dependent on the tank shape 002 medium property 003 and process cond 004 application parameters has been changed or not If for example the output damping 058 is changed the application par shows modified Display not modified modified Þ 20mA 100 4mA 0 measured distance measured level Þ Þ ß After 3 s the following message appears ...

Page 65: ...s for PROFIBUS PA instruments 12 2 Function device tag 0C0 Foundation Fieldbus only This function displays the tag number 12 3 Function Profile Version 0C1 PROFIBUS PA only The PA Profile version is shown using this function Profile 3 0 Caution This function is available for PROFIBUS PA devices only 12 4 Function protocol sw no 0C2 This function shows the protocol and the hardware and software ver...

Page 66: ...ent serial number 12 7 Function distance unit 0C5 You can select the basic distance unit with this function Selection m ft mm inch Dependence m mm format display 094 can only be decimal The units are changed for the following parameters empty calibr 005 full calibr 006 safety distance 015 input level 044 diameter vessel 047 range of mapping 052 cust tank map 055 offset 057 simulation value 066 mea...

Page 67: ...Function max temp limit 031 Function max meas temp 032 12 9 Function download mode 0C8 This parameter defines which values are written to the instrument during a ToF Tool or Commuwinn II configuration download Selection parameter only param cust map mapping only Note This parameter must not be described explicitly in ToF Tool The various possibilities can be selected from the download dialog Þ Þ Þ...

Page 68: ...ce 0D Prosonic M 68 Endress Hauser 13 Function group service 0D You can find a detailed description of the Service function group as well as a detailed overview of the function menu in the Service Manual SM 10F for Prosonic M ...

Page 69: ...one plots the logarithmic amplitude of the echo versus the time of flight of the ultrasonic impulse This plot is called envelope curve The envelope curve can be displayed in the envelope curve 0E function group see Page 52 In the ToF Tool the envelope curve may also be displayed in the envelope menu y x sending pulse with reverberation time interference echo caused by installations interference ec...

Page 70: ...on procedures It is recommended to record the tank map when the vessel is as possible empty Then the map will inclue all echoes except the level echo But even if it is not possible to empty the vessel during the commissioning of the Prosonic M you should perform the map In this case it is recommended to repeat the record of the mapping at a later time when the vessel is as possible empty The tank ...

Page 71: ...ocedure changes of the interference echoes e g by build up can be compensated for In contrast to the tank map the FAC can only register small interference echoes The FAC is always used in the signal evaluation even if the tank map has been deactivated In the envelope curve the maximum with the largest distance to the FAC is interpreted as the level echo 0 20 40 60 80 100 120 dB m envelope curve wi...

Page 72: ...ent error messages by pressing or Last error The last error is displayed in the diagnostics 0A function group in the previous error 0A1 function This display can be deleted in the clear last error 0A2 function Types of errors Type of error Symbol Meaning Alarm A Continuo us The output signal assumes a value which can be set using the output on alarm 010 function MAX 110 22mA MIN 10 3 8mA Hold last...

Page 73: ...interruption temperature sensor Exchange sensor A502 Sensor type not detected Exchange sensor and or electronics W511 no factory calibration Carry out factory calibration A512 recording of mapping Alarm disappears after a few seconds A521 new sensor type detected Reset W601 linearisation curve not monotone Correct table enter monotonously increasing table W611 less than 2 linea risation points Ent...

Page 74: ...ale 046 diameter vessel 047 Check table no Measurement in bypass or stilling well yes 1 In tank shape 002 is bypass or stiliing well selected no An interference echo might be under evaluation yes 1 Carry out interference echo suppression basic setup No change in measured value on filling emptying Interference echoes from fixings nozzles or build up on sensor membrane 1 Carry out interference echo ...

Page 75: ...ultiple echoes yes 1 Check tank shape 002 e g dome ceiling or horizontal cyl 2 In the blocking distance range 059 there is no echo evaluation 3 If possible do not select a central installation position 4 Possible user stilling well echo guide pipe E 641 echo loss Level echo is too weak Possible causes Uneven surface through filling emptying Active agitator Foam Sensor not aligned parallel to produ...

Page 76: ...15 Trouble shooting Prosonic M 76 Endress Hauser ...

Page 77: ...Prosonic M 15 Trouble shooting Endress Hauser 77 ...

Page 78: ...15 Trouble shooting Prosonic M 78 Endress Hauser ...

Page 79: ... quality 41 057 offset 41 058 output damping 41 059 blocking dist 42 060 commun address HART only 43 060 instrument addr PROFIBUS PA only 43 061 no of preambels HART only 44 061 ident number PROFIBUS PA only 44 062 thres main val HART only 45 062 set unit to bus PROFIBUS PA only 45 063 fixed current HART only 46 063 out value PROFIBUS PA only 46 064 fixed cur value HART only 47 064 out status PROF...

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