Operating instructions Combined sensor for pump diagnosis and
Contents
1. cccccceeteescsecsssetecsesesseseeeseeees 20 10 4 User settings optional RR Y RR 21 10 5 Service functions ccccostschnstenseastecid eedd irdd GORAU dw O 22 MV S05 ST ANON YN Ye iea e iaiia a 23 11 1 Read the set parameter ValUCS cccccccssssecsssssesssessssseseserssesesesensaees 23 11 2 Changing the display in the Run mod eueueeee ie 23 113 Fault MAGICA MEO YFED nananana EAEan 24 12 Scale AWN RF PN TE Y EEES ERE 24 AB TMA ea elk sh asin A N E TE E A Senate 25 i Es E E ERS Ry NWR RR NU CF 20 iL Me te Ste WING T7nF Y TF GT TF GN TORR CWRW NN FN 2 1 Preliminary note 1 Symbols used gt Instruction gt Reaction result Designation of buttons switches or indications Cross reference Important note Non compliance can result in malfunctions or interference UK 2 Safety instructions e Read the product description before installing the unit Ensure that the product is suitable for your application without any restrictions e Non adherence to the operating instructions or technical data can lead to personal injury and or damage to property n all applications check compliance of the product materials chapter 13 Technical data with the media to be measured For units with cULus approval and the scope of validity cULus The device shall be supplied from an isolating transformer having a secondary Listed fuse rated as noted in2. Press SET for over 5 s then set value by keeping the button pressed or by pressing it once 3 Acknowledge parameter value Press Mode Enter briefly Menu structure and list of parameters that can be set chapter 9 2 More information on parameter setting chapter 9 4 Adjust unit to the installation teach gt Put the installation into operation and use it in normal operation NOTE For the teach operation the pressure must be at least 5 of the final value of the measuring range For a safe teach operation 10 of the final value of the measuring range is recommended Select PUMP set the reguested value FAST for fast pumps more than 200 rpm SLOW for slow pumps 40 300 rpm Pumps with a rotational speed be low 40 rom cannot be monitored Select tPu1 then press Set and keep the button pressed gt tch flashes first slowly then guickly Release Set gt After approx 20 s tch is displayed continuously Press Mode Enter briefly acknowledgement Testing the diagnostic function gt Put the unit into the operational status at which the alarm is to be triggered Change several times between normal operation and faulty operation If OUT1 remains unchanged in normal operation but switches in the event of faults the process has been completed If OUT1 does not switch as requested make a fine adjustment Select SEn1 and set a value between 1 and 20 Th
3. enter the characteristic value for the pulsation frequency Select PumF and press SET briefly Read the value and note it down 14 Factory preset When the unit has been replaced it can be stored in the new unit Select PumF activate via Set enter numerical value 22 11 Operation After power on of the supply voltage the unit is in the Run mode normal operati on It carries out its measurement and evaluation functions and generates output signals according to the set parameters 11 1 Read the set parameter values Press Mode Enter briefly to scroll the parameters Press Set briefly to indicate the corresponding parameter value for 15 s After another 15 s the unit returns to the Run mode 11 2 Changing the display in the Run mode UK When alternating indication is selected 1__ 160 SELd P PU Press Set briefly gt Indication of the current pulsation value in e g 4430 for 4 min When pressure indication is selected _ 4 amp 0 SELd P Press Set briefly gt Indication of the deviation of the pulsation from the normal operation for 4 min small deviation from the normal operation high deviation from the normal operation deviation outside the tolerated range When the bar graph is selected 1_ 4 SELd Pu Press Set briefly gt Indication of the current system pressure e g C 150 for 4 min 23 11 3 Faul
4. 10 K eeueueueueuue ieu lt 0 1 Long term stability in 9o of the span per year isie lt 0 1 Temperature coefficient TC in the compensated temperature range 0 70 C in of the span per 10 K Greatest TC of the zero point of the span lt 0 15 lt 0 1 Materials wetted parts Stainless steel 316L 1 4435 surface characteristics Ra lt 0 4 Rz 4 ceramics 99 9 AI2O3 PTFE Housing materials Stainless steel 316L 1 4404 PC Makrolon PBT Pocan PEI FPM Viton PTFE Protection IP 67 IP 69K Protection class Insulation resistance MQ gt 100 500 V DC Shock resistance g 50 DIN IEC 68 2 27 11ms Vibration resistance g 20 DIN IEC 68 2 6 10 2000 Hz eu Lt CY CIES a FETH MYNNANT YT YN FFRED FFF Y NF E 100 million Operating temperature C 25 80 Medium temperature C 25 125 145 max 1h Storage temperature C EMC EN 61000 4 2 ESD scscisctascageciastarsnsanseeitateeusesgeianentetndinstnsaeudatxenagchinieieetes 4 8KV EN 610004 3 HF radiated sciscnceseseredvesebnescsensdeaenednestecurenteteanselsiersousrcuneseasretad 10 V m EN 61000 4 4 Burstt uuueueuuuuuueuu LLAI LIII III UU I UN 2 KV ENG 1G00 4 6 HF conducted use ceesi EG u Rei Hau AROA AFU GRA inniinn 10 V i all indications are referred to a turn down of 1 1 2 limit value setting to DIN 16086 25 13 1 Setting ranges Upper SP2 lower limit value rP2 for the system pressure analogue star
5. have to be ordered separately as accessories Mounting operation gt Mount the adapter C to the sen sor gt Fix sensor adapter by means of a coupling nut a clamp flange or similar B to the process connec tion If it is not possible to slide the fixing element B down over the top of the sensor slide it up over the bottom of the sensor before the adapter is mounted 10 A rotatable housing Mounting the Aseptoflex adapter Slightly grease the threads and sealing areas of the sensor and adapter with lubricating paste D The paste must be suitable and approved for the application and compatible with the elastomers used Recommendation Kluber paste UH1 84 201 with USDA H1 approval for the food industry Make sure that the O ring E is correctly positioned gt Screw the sensor into the adapter until it is hand tight Do not damage the seal ing chamfers Clamp sensor and adapter into a clamping device F Tighten the clamping device only slightly so that the adapter does not warp gt Tighten the sensor using a spanner until you can feel the end stop correspond ing to a maximum tightening torque of 25 Nm 18 ftlb Note Do not overtight en This can have an adverse effect on the sealing NOTE A guarantee for a long term stable and maintenance free fitting with no bug traps in the hygienic sealing of the metal seal Aseptoflex connection is only valid for once only mounting Weldin
6. 1 and 20 The value determines the upper and lower tolerance limit for pulsation fig 10 2 2 1 low est 20 highest tolerance gt Test function again adjust SEn1 value if required or optimise the diagnostic function 10 2 7 10 2 5 Setting the output signal Select OU1 and set the switching functions Fno window function normally open Fnc window function normally closed Optional Set the switch on delay dS1 or the reset delay dr1 Select dS1 or dr1 set value between 0 1 and 50 0 s at 0 0 the delay time is not active 10 2 6 Dampen process value pulsation optional Goal Stabilise the switching characteristics and the bar graph Select dAPu and set value between 0 1 and 50 0 s 0 0 dAPu is not active dAPu value time during which the pulsation increases to 63 of the maximum value 10 2 7 Optimising the diagnostic function optional Only if reguired If deviations are not always safely detected Put the installation into operation and use it in normal operation Press Set briefly The current pulsation values are displayed for 4 minutes if SELd P Pu 10 4 2 Watch the display during this time Note down the average value the maximum value and the minimum value Select HSP1 and enter the upper limit value for the monitoring window fig 10 2 2 It has to be greater than or equal to the maximum value noted down The more HSP1 is above the minimu
7. CE 04 2014 706058 00 ifm electronic Operating instructions Combined sensor for pump diagnosis and pressure monitoring efectorson PIM093 PIM094 Contents 1 Preliminary MOG ST TYF REN Y EN R o i Boy 0 01910 CE 1 nc ER HN RR RD 3 Pago 2 e1 Sd L L ie kc eee enna TN HYNNY 3 SO e MIS UN E E sete YDY ON usp YRFA A ETA 4 4 Functions and TO ALS uu Gen CG CY SO CU aaia 6 PN O srs ecie ets neat eaneae start A FYNY FFY FFRYNT FFR AR HF FN NWYF 6 9 1 Processing of the measured signals cccsessesssssssessssesersssssessessseesesaees 6 SP TIO LLUS see RR NU T 5 3 Pressure monitoring analogue functiOn euueueuunsii ss 8 5 4 Pressure monitoring switching FUNCTION cccecceeeeeseteteesesseeeseseeereaees 9 OMI FAN ANON aee R E Eia 10 T Electrical COMME CUO Tlie nein A UON GYG NY WN GA ARA ANNWYD 12 8 Operating and display elements ueueensessnsnsns ns III nesu 13 AW UM GRED A NO NAF NT NO Y ER NN FF YNO YN ONN T A 14 D LNNU STO TU tresses ca eas cee NFED EN YY YW FYD YT YNYD 14 S 19 Le REF RR DYCH YS FRY FFURF FFF FN E R 19 19 Parameter i RR FRY RAP TAWE Kena cane REFIN HA FFNYFSRAT FFFTY FD NYETFHATN 16 10 1 Parameter setting general 9 e 9u snssns rs IIUHIIIUH 16 10 2 Configuring unit for pump diagnosis III 18 10 3 Configuring unit for pressure monitoring
8. ard unit of measurement for the system pressure Select Uni and set the unit of measurement bAr MPA or PSI Ura 10 4 2 Configuring the display Select SELd and set the type of display P System pressure in the unit set in Uni Pu Bar graph for pump diagnosis P Pu System pressure bar graph for pump diagnosis alternately 4 Jol IBU Select diS and set update rate and orientation of the display d1 Update of the measured value every 50 ms d2 Update of the measured value every 200 ms d3 Update of the measured value every 600 ms rd1 rd2 rd3 Display like d1 d2 d3 rotated by 180 OFF The display is deactivated in the operating mode 10 4 3 Zero point calibration gt Select COF and set a value between 5 and 5 of the final value of the measuring range The internal measured value 0 is shifted by this amount 21 10 5 Service functions 10 5 1 Reading the min max values for the system pressure Select HI or LO press Set briefly Hl maximum value LO minimum value Delete memory gt Select HI or LO gt Press SET until is displayed Press MODE ENTER briefly 10 5 2 Reset all parameters to the factory setting gt Select rES then press SET until is displayed Press MODE ENTER briefly It makes sense to note down your own settings before executing the func tion 14 Factory preset 10 5 3 Read
9. e cycle starts again at the minimum setting value Acknowledge parameter value Press Mode Enter briefly gt The parameter is displayed again The new setting value is stored Set more parameters gt Start again with step 1 Mode Enter Set O Finishing parameter setting Press Mode Enter several times until the current measured value is displayed or wait for 15 s The unit returns to the operating mode if no button is pressed for over 15 s after acknowledgement of the new parameter value 16 Changing from menu level 1 to menu level 2 Press Mode Enter until EF is NU Set Press Set briefly gt The first parameter of the submenu is displayed here dAPu e Locking unlocking The unit can be locked electronically to T unintentional wrong settings gt Ensure that the unit is in the normal operating mode Vee Toe Lee gt Press Mode Enter Set for 10 s NU A gt Loc is displayed mw 10s During operation gt Loc is displayed briefly when you try to change parameter values For unlocking Press Mode Enter Set for 10 s onpm D gt uLoc is displayed E3 s On delivery Unlocked e Timeout If no button is pressed for 15 s while the parameters are being set the unit returns to the operating mode with unchanged values 10 2 Configuring unit for pump diagnosis 10 2 1 Adjusting to the pump Select PUMP set the req
10. e value indicates the upper and lower tolerance limits for pulsation 1 lowest 20 highest tolerance 10 2 4 Further menu items for the optimisation of the diagnostic function HSP LSP gt 10 2 7 4 Functions and features The unit monitors the operating state of pumps and the system pressure of machines and installations Applications Type of pressure relative pressure overload pressure PSI PSI 725 MPa bar 10 kPa bar x 100 Static and dynamic overpressures exceeding the indicated overload pres sure are to be avoided by taking appropriate measures The indicated bursting pressure must not be exceeded Even if the burst ing pressure is exceeded only for a short time the unit can be destroyed NOTE Risk of injury o ter 5 Function 5 1 Processing of the measured signals The unit analyses the pulsation characteristics of the pump and signals the deviations from the basic characteristic determined for normal operation e t detects the system pressure and evaluates the measuring signal 2 outputs are available for the signal output e Output 1 Signal for pump diagnosis adjustable window function normally open or normally closed e Output 2 2 configuration options Analogue signal proportional to the pressure 4 20 mA or 20 4 mA scale able Switching signal for the system pressure adjustable to hysteresis or window function normally open or normally closed 5 2 Pump mon
11. g adapter gt First weld the adapter then mount the sensor Follow the instructions included with the adapter 7 Electrical connection The unit must be connected by a qualified electrician The national and international regulations for the installation of electrical equipment must be adhered to Voltage supply to EN50178 SELV PELV gt Disconnect power gt Connect the unit as follows 1 TIDE 3 Pint Ub Ub Pin 4 OUT1 binary switching output for pump diagnosis signal for pressure monitoring Pin 2 OUT2 analogue output if OU2 I or InEG e binary output if OU2 Hno Hnc Fno or Fnc Core colours of ifm sockets 1 BN brown 2 WH white 3 BU blue 4 BK black 12 8 Operating and display elements YD O OOOO 1 8 Indicating LEDs LED 1 green indication of the system pressure in bar LED 2 green indication of the system pressure in MPa LED 3 green indication of the system pressure in PSI LED 4 not used LED 5 green display mode bar graph for pump diagnosis is active LED 6 not used LED 7 yellow output 2 pressure monitoring is switched LED 8 yellow output 1 pump diagnosis is switched 9 Alphanumeric display 4 digits System pressure and bar graph are indicated alternately u I L_160 if SELd P Pu is set Bar graph for pump diagnostics if SELd Pu is set small deviation from the n
12. itoring When pumps are operated pulsation patterns occur in the pressure pipe They are high frequency minimum pressure fluctuations superimposing the standard curve of the system pressure The pulsation pattern depends on the operating status of the pump In normal operation a characteristic standard pattern occurs It changes under non standard operating conditions Examples for non standard operating conditions cavitation due to reduced cross section e g filter clogging closed slide or low supply pressure UK e air gas inclusion partial running dry or running dry e wear of the pump e blockage of the pump Evaluation of the pulsation pattern display output function Pu numerical value pulsation Pu1 mean value of pulsation in normal operation The value is defined by the teach proc ess 10 2 2 however it can also be entered manually 10 2 7 It does not have any effect on the output it only controls the bar display for pulsation value Pu1 the bar is open HSP1 upper limit value LSP1 lower limit value for the pulsation The values are automa tically defined during the teach process however they can also be entered manually 10 2 7 With pulsation 2 HSP1 or pulsation lt LSP1 the bar is closed SEn1 tolerance range for pulsation symmetrical with the teached pulsation value Pu1 Fno OUT1 in normally open operation Out1 ON if the value increases above HSP1 and decrea
13. l is between 4 and 20 mA 20 and 4 mA Also signalled System pressure above the measuring range output signal gt 20 mA at OU2 I the output signal drops to maximum 3 8 mA at OU2 InEG System pressure below the measuring range the output signal drops to maximum 3 8 mA at OU2 I output signal gt 20 mA at OU2 InEG 5 4 Pressure monitoring switching function UK OUT2 changes its switching state if it is above or below the set switching limits SP2 rP2 The following switching functions can be selected e Hysteresis function normally open OU2 Hno fig 1 Hysteresis function normally closed OU2 Hnc fig 1 First the set point SP2 is set then the reset point rP2 at the requested distance Window function normally open OU2 Fno fig 2 Window function normally closed OU2 Fnc fig 2 The width of the window can be set by means of the distance between SP2 and rP2 SP2 maximum value rP2 minimum value P system pressure HY hysteresis FE window 6 Installation Ensure that no pressure is applied to the installation while mounting or removing the sensor gt Install the unit as closely as possi ble to the spout of the pump Only then will the pulsation pattern be optimally transferred to the unit Aseptoflex adapters ensure that the sensor can be connected to different process connections The adapters
14. m value noted down the larger the tolerance against fluctuations of the pulsation value Select Pu1 and enter the mean value noted down It does not have any effect on the output it only controls the bar display for pulsation Pu1 the bar is open continue next page 19 Select LSP1 and enter the lower limit value for the monitoring window fig 10 2 2 It has to be smaller than or equal to the minimum value noted down The more LSP1 is below the minimum value noted down the larger the tolerance against fluctuations of the pulsation value ATTENTION HSP1 always has to be greater than Pu1 LSP1 always has to be smaller than Pu1 If a value to be newly entered is greater or smaller than the neighbouring value the neighbouring value has to be changed accordingly beforehand Examples If a value is to be entered for Pu1 that is greater than the cur rent value for HSP1 the HSP1 value has to be increased beforehand If a value is to be entered for HSP1 that is smaller than the current value for Pu1 the Pu1 value has to be decreased beforehand 10 3 Configuring unit for pressure monitoring 10 3 1 Setting the output function Select OU2 and set the function Hno hysteresis function normally open Hnc hysteresis function normally closed Fno window function normally open Fnc window function normally closed I current signal proportional to the pressure 4 20 mA I
15. nEG current signal proportional to the pressure 20 4 mA 10 3 2 Scaling the analogue value Select ASP and set measured value at which 4 mA are output 20 mA at OU2 InEG Select AEP and set measured value at which 20 mA are output 4 mA at OU2 InEG Minimum distance between ASP and AEP 25 of the final value of the measuring range scaling factor 1 4 Optional Damping analogue signal system pressure Select dAA and set value between 0 01 and 10 00 s at 0 00 dAA is not active dAA value response time between pressure change and change of the analogue value in seconds 20 10 3 3 Setting the switching limits Select SP2 and set the measured value at which the output switches Select rP2 and set the measured value at which the output switches back rP2 is always lower than SP2 The unit only accepts values which are lower than SP2 Optional Damping the switching signal pressure monitoring Select dAP and set value between 0 01 and 10 00 s at 0 00 dAP is not active dAP value response time between pressure change and change of the switching status in seconds dAP influences the switching frequency fmax 1 2dAP Optional Fix switch on delay dS2 or reset delay dr2 Em Select dS2 or dr2 set value between 0 1 and 50 0 s at 0 0 the delay Cy C time is not active rtr r 10 4 User settings optional 10 4 1 Setting the stand
16. ormal operation high deviation from the normal operation deviation outside the tolerated range Indication of the system pressure if SELd P is set e g Display of the parameters and parameter values 10 Set pushbutton Setting of the parameter values scrolling by holding pressed incremental by pressing briefly Changing the display unit in the Run mode 11 2 11 Mode Enter pushbutton Selection of the parameters and acknowledgement of the parameter values 13 9 Menu 9 1 Menu structure Un Cy C3 i an C3 Ci i CL My mM oO a 2 or OF OF OF OY OY OF Peek Ee KEKE OP O OP OF OF oF E mo IH HHHH eH CL a J CL J IHU or OF OF OT OF Af Ale en eae ee ial en le el Se ee po se ae 14 9 2 Menu explanation PUMP Setting to the rotational speed range of the pump monitored Standard value for teaching the pulsation Sensitivity of pump monitoring tolerance limits for not reaching exceeding SEnt1 the standard value Switching function for OUT1 pump diagnosis window function normally open Fno or window function normally closed Fnc Output function for OUT2 monitoring the system pressure Switching signal for the limit values hysteresis function H or window OU2 function F normally open no or normally closed nc each A Analogue signal for the current system pressure 4 20 mA I or 20 4 mA InEG Analogue start point fo
17. r the system pressure measured value at which 4 mA are output 20 mA on OU2 InEG EP Analogue end point for the system pressure measured value at which 20 mA are output 4 mA on OU2 InEG SP2 rP2 Upper lower limit value for the system pressure Extended functions Opening menu level 2 Damping the pulsation value HSP1 Upper switching limit for pulsation value Average pulsation value Lower switching limit for pulsation value 4 Display mode system pressure or bar graph for pump diagnosis or change SELd between them Update rate and orientation of the display Restore the factory setting 15 10 Parameter setting During the parameter setting process the unit remains in the operating mode It continues its monitoring function with the existing parameters until parameter set ting has been terminated 10 1 Parameter setting general Each parameter setting requires 3 steps Selecting parameter Press Mode Enter until the re guested parameter is displayed bb a Setting the parameter value Press Set and keep the buton oppg pressed ModeEnter Set D gt Current setting value of the param D G eter bit flashes for 5 s gt After 5 s Setting value is changed incremental by pressing briefly or scrolling by holding pressed The numerical values are incremented continuously If the value is to be reduced Let the display move to the maximum setting value Then th
18. ses below LSP1 Fnc OUT1 in normally closed operation The graphics display is independent of the setting for OUT1 e The pulsation pattern occurred in normal operation is detected It is converted into a numerical value Pu1 which the unit stores as the standard value bar graph closed 1 The standard value can be fixed automatically by teaching or manually 10 2 During operation the pulsation pattern is constantly monitored If it is different from the standard value and exceeds the tolerance range SEn1 the defined limits HSP1 and LSP1 output 1 changes its switching status the bar graph closes e The switching signals can be directly used for maintenance or active pump control 5 3 Pressure monitoring analogue function The analogue signal can be set OU2 defines whether the set measuring range is provided as a 4 20 mA signal OU2 I or a 20 4 mA signal OU2 InEG ASP defines the measured value at which the output signal is 4 mA 20 mA at lnEG e AEP defines the measured value at which the output signal is 20 mA 4 mA at lnEG Minimum distance between ASP and AEP 25 of the final value of the measuring range turn down 1 4 Factory setting Measuring range scaled P system pressure MAW initial value of the measuring range MEW final value of the measuring range 1 OU2 I OU2 InEG 8 In the set measuring range the output signa
19. t indication OL overload pressure measuring range exceeded UL underpressure range measuring range below the minimum value SC1 short circuit in OUT1 SC2 short circuit in OUT2 SC short circuit in both switching outputs internal fault invalid input The output concerned is switched off as long as the short circuit exists SC1 SC2 SC and Err are displayed even if the display is switched off 12 Scale drawing Dimensions are in millimeters 1 Display 2 LEDs 3 Programming button 4 Aseptoflex sealing edge 5 Aseptoflex thread 24 13 Technical data Operating voltage V Current consumption mA Current rating mA Short circuit reverse polarity overload protection integrated watchdog Voltage drop V Power on delay time s Min response time switching outputs ms Switching frequency OUT2 Hz Analogue output measuring range scaleabl e 4 20 mA 20 4 mA Max load O UB 10 x 50 700 bei UB 24V Step response time analogue output ms Accuracy deviation in of the span Characteristics deviation linearity incl hysteresis and Rete AD INU a NH RNR HU NN RNFFU lt 0 2 Sr NTN AMM RHY YY N IE WYT endive E RIF FEW FY ARF ENFAWR FEN van PWY FAEN lt 0 15 SAV SCLC GS A WNA R FFF FFF TU FFY HN FF EN FYRR AYN RW FR FFAN NA R lt 0 15 Repeatability with temperature fluctuations lt
20. t point ASP analogue end point AEP for the system pressure 76 2 362 7 co N Tr lt r 14 4 362 1 6O0NId V60INId increments AP Parameters for pump diagnosis min min min max co O o gt N gt lt o1S E Fi oO O o F 26 14 Factory setting dAA Factory setting a 23 VMR 800 0 640 0 480 0 0 00 the indicated percentage of the final value of the measuring range VMR of the cor responding sensor in bar is set More information at www ifm com 27
21. the following table Overcurrent protection Control circuit wire size mm 16 1 3 The Sensor shall be connected only by using any R C CYJV2 cord having suit able ratings 3 Brief instructions Important for optimum pump diagnosis Mount the unit as closely to the spout of the pump as possible Display and operation The unit features an integrated 4 digit alphanumeric display On delivery it switches between the two following indications Bar graph pump diagnosis small deviation from the normal operation high deviation from the normal operation deviation outside the tolerated rang 2 Current system pressure in bar The bar display visualises the monitoring window for the pump diagnosis When the current pulsation value exceeds or falls below the limits of the window the bar is closed When the current pulsation value is in the middle of the window the bar is open The current pulsation value can also be displayed temporarily as a numerical value Press Set briefly gt Indication of the current pulsation value in e g 430 for 4 min There are 2 operating keys below the display Set Setting the parameter values scrolling by holding pressed incremental by pressing briefly e Mode Enter Selection of the parameters and acknowledgement of the param eter values Each parameter setting requires 3 steps 1 Selecting parameter Press Mode Enter 2 Setting the parameter value
22. uested value MI FAST for fast pumps more than 200 rpm SLOW for slow pumps 40 300 rpm Pumps with a rotational speed below 40 rpm cannot be monitored 10 2 2 Teaching the normal value Put the installation into operation and use it in normal operation NOTE If teaching is carried out at pressures below 10 9e of the final value of the measuring range the diagnostic function may provide wrong values Select tPu1 press Set and keep the button pressed tch flashes first slowly then guickly Release Set gt After approx 20 s tch is displayed continuously If UL is displayed the system pressure for a teach operation is too low system pressure lt 59e of the final value of the measuring range The process was stopped Press Mode Enter briefly acknowledgement The mean pulsation value in normal operation Put the tolerance range SEn1 and thus the limits of the monitoring window HSP1 and LSP1 are defined 10 2 3 Testing the diagnostic function gt Put the unit into the operational status at which the alarm is to be triggered Change several times between normal operation and faulty operation If OUT1 remains unchanged in normal operation but switches in the event of faults the process has been completed If OUT1 does not switch as requested Make fine adjustments 10 2 4 10 2 6 10 2 7 18 10 2 4 Adapting the sensitivity optional Select SEn1 and set a value between
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