Operating instructions Ultrasonic flow rate sensor SU7000
Contents
1. gt 9 2 3 analogue Signal for temperature 9 4 2 OUT2 pin 2 cannot only be used as an output but also as an input for an external reset Signal 9 3 5 4 2 Volumetric flow monitoring The flow rate is monitored by an ultrasonic meter the measured signals by the electronics e 2 switching signals for volumetric flow limit values can be provided output 1 and output 2 For the switching functions 4 5 analogue signal proportional to the volumetric flow 4 20 mA 0 10 V can be provided on output 2 For the analogue functions 4 6 4 3 Consumed quantity monitoring The unit has an internal quantity meter which continuously totals the volumetric flow The sum corresponds to the current consumed quantity since the last reset The current meter count can be indicated n addition the value before the last reset is stored This value can also be indicated The meter saves the totalled consumed quantity every 10 minutes After a power failure this value is available as the current meter count If a time controlled reset is set the elapsed time of the set reset interval is also stored So the possible data loss can be maximum 10 minutes The meter can be reset as follows e Manual reset 9 3 3 Time con2. 26 10 1 Read the set parameters 26 10 2 Changing the display unit in the 26 srini 21 10 4 General operating 1 21 28 12 1 29 12 1 11 5 ranges senen E E E 30 19 Factory 31 1 Preliminary note 1 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 2 Safety instructions e Please read this document prior to installing the unit Ensure that the product is suitable for your application without any restrictions Improper non intended use may lead to malfunctions of the unit or to un wanted effects in your application That is why installation electrical connection set up operation and mainte nance of the unit must be carried out by qualified personnel authorised by the plant operator In all applications test the compatib
3. M Frau M M M 8 2 Explanation of the menu SP1 rP 1 Maximum minimum value for volumetric flow Pulse repetition active function pulse output or not active function preset meter Output function for OUT1 volumetric flow or consumed quantity Switching signal for limit values hysteresis function or window function normally open or normally closed Pulse or switching signal for quantity meter Output function for OUT2 volumetric flow or temperature Switching signal for limit values hysteresis function or window function normally open or normally closed Analogue signal 4 20 mA I or 0 10 V U As an alternative configure 0072 pin 2 as input for the external reset signal setting 002 Configuration of the input pin 2 for meter reset metres hour Standard process category of the display volumetric flow value meter count medium temperature Standard process category for evaluation by OUT2 Limit value signal or analogue signal for volumetric flow Limit value signal or analogue signal for temperature MEDI Selection of the medium to be monitored Restore factory setting 9 Parameter setting During parameter setting the unit remains in the operating mode It continues its monitoring function with the existing parameters until the parameter setting has been completed 9 1 General parameter setting 3 steps must be taken fo
4. Enter to 8 Indicator LEDs LED 1 current volumetric flow in litres minute LED 2 current volumetric flow in cubic metres hour LED 3 current consumed quantity since the last reset in litres LED 3 flashing consumed quantity before the last reset in litres LED 4 current consumed quantity since the last reset in cubic metres LED 4 flashing consumed quantity before the last reset in cubic metres LED 5 current medium temperature in C LED 6 consumed quantity in 10 cubic metres LED 7 LED 8 switching state of the corresponding output 9 Alphanumeric display 4 digits indication of the current volumetric flow if SELd FLOW is set indication of the meter count if SELd TOTL is set indication of the current medium temperature if SELd TEMP is set indication of the parameters and parameter values 10 Mode Enter pushbutton Selection of the parameters and acknowledgement of the parameter values 11 Set pushbutton Setting of the parameter values scrolling by holding pressed incremental by pressing briefly Change of the display unit in the normal operating mode Run mode 15 8 8 1 Menu structure 5 ___ _ Mode Enter Set or current meter count 1000 m m stored meter count 1000 m 16 Fou 5 OFF M 9
5. 06 2010 704328 01 ifm electronic Operating instructions Ultrasonic flow rate sensor efectorang SU7000 Contents 1 YOU e A A etn N E A A E 4 4 WM 4 3 Functions and 521 5 2851 ee eee 9 4 1 Processing of the measured 59 5 4 2 Volumetric flow MOMMMORING 5 4 3 Consumed quantity 6 4 3 1 Consumed quantity monitoring with pulse 6 4 3 2 Consumed quantity monitoring with preset 6 4 4 Monitoring 6 4 5 Volumetric flow or temperature monitoring switching 7 4 6 Volumetric flow or temperature monitoring analogue function 7 4 7 Start up delay ASt 0 9 4 8 Customer specific calibration 10 o NS TAN AUC 11 9 1 Installation location 11 1 1 11 1181 13 5 3 Protection a
6. factory setting 9 3 5 Settings for meter reset by an external signal gt Select OU2 and then InD gt Select Din2 and set the reset signal HI reset for high signal LOW reset for low signal EDG reset for rising edge EDG reset for falling edge 9 4 Settings for temperature monitoring 9 4 1 Settings for limit value monitoring with OUT2 gt Select SEL2 and set TEMP gt Select OU2 and set the switching function Hno hysteresis function normally open Hnc hysteresis function normally closed Fno window function normally open Fnc window function normally closed gt Select SP2 and set the value at which the output switches gt Select rP2 and set the value at which the output switches back 21 9 4 2 Scaling of the analogue value for temperature gt Select SEL2 and set TEMP gt Select 002 and set the function I current signal proportional to temperature 4 20 mA U voltage signal proportional to temperature 0 10 V gt Select ASP and set the value at which the minimum output value is provided gt Select AEP and set the value at which the maximum output value is provided 9 5 User settings optional 9 5 1 Determine the standard unit of measurement for volumetric flow gt Select Uni and set the unit of measurement Lmin or m3h The setting only has an effect on the volumetric flow value The
7. step increment 30 13 Factory setting Factory setting User setting gt gt 02 10 S woo J oo zem asp Flow o 5 _ _ _____ 02 5 owo en SCPC 481 o o 22 J nw s2 ________ wo o More information at www ifm com 31
8. 2 is configured as analogue output the output signal is at the final value of the measuring range during the power on delay time 10 1 Read the set parameters gt Press Mode Enter until the requested parameter is displayed gt Press Set briefly gt The unit displays the corresponding parameter value After about 15 s it again displays the parameter then it returns to the Run mode 10 2 Changing the display unit in the Run mode gt Press Set briefly in the Run mode Press the pushbutton to move to the next display unit gt The unit displays the current measured value for approx 15 s the correspond ing LED lights 26 10 3 Error indication 2 Short circuit in OUT1 Short circuit in OUTZ2 Short circuit in both outputs Detection zone of volumetric flow or temperature exceeded measured value between 120 and 130 of VMR UL Below the detection zone of temperature measured value below 10 C Err Unit faulty malfunction Measured value greater than 130 of VMR Sensor indicates incorrect measurement For more detailed diagnosis fault assessment gt Press Set briefly gt The latest measured values are displayed IOE Flow sensor faulty Loc Setting pushbuttons locked parameter change rejected VMR final value of the measuring range 10 4 General operating conditions gt Avoid deposits accumulated gas and air in the pipe syste
9. 9 7 Setting of the preset meter pulse value ImPS 7 setting ranges are available Resolution s _ 57578 1 4 10101001 BEE 0 01 m a 4 11101001 51919 6 4 6 110 010 919 1919 10000 99 999 m 10 m 111010 10 9791979 100 000 999 999 100m 4360 1101010 1000 000 m Setting operation gt Set 001 to ImP 9 3 2 gt Press Mode Enter until ImPS is displayed gt Press Set and keep it pressed gt The current numerical value flashes for 5 s then the first of the 4 digits be comes active digit flashes can be changed gt Set the requested value as indicated in the following table gt First select the requested setting range Then set the figure from the left digit to the right digit gt Press Mode Enter briefly when all 4 digits are set As soon as the first digit flashes there are 3 options 24 gt Press Set once The flashing digit is increased 9 is followed by 0 1 2 etc 1 x Set pressed 1 x Set pressed 1 x Set pressed gt Press Set and The flashing digit is increased 9 is followed by 0 and the digit keep it pressed following on the left becomes active Set permanently pressed 14 Set kept pressed If digit 1 is increased this way the display changes to the next higher setting range 9 is followed by 10 the decimal point is moved one place to the right or
10. bance by air bubbles gt Install the unit so that the measuring pipe is always completely filled gt Arrange for inlet and outlet pipe lengths Disturbances caused by bends valves reductions etc are compensated for It applies in particular no shut off and control devices are allowed directly in front of the unit S disturbance D pipe diameter F flow direction gt Install in front of or in a rising pipe F flow direction gt Avoid the following installation locations Directly in front of a falling pipe Ina falling pipe FF flow direction At the highest point of the pipe system Directly in front of the spout of a pipe F flow direction On the suction side of a pump F flow direction 12 5 2 Installation in pipes The unit is installed in the pipe using adapters Adapters have to be ordered sepa rately as accessories Order no E40178 2 adapters for R pipes stainless steel 2 seals Order no E40151 2 adapters for R pipes brass 2 seals 1 Screw the adapter B into the pipe A 2 Place the seals C and install the unit according to the marked flow direction 3 Screw the adapter B with the threads D until it is hand tight 4 Tighten the two adapters in opposite direction tightening torque 30 Nm After installation air bubbles in the system can affect the measurement Help gt Rinse th
11. counter values consumed quantity are automatically displayed in the unit of meas urement providing the highest accuracy 9 5 2 Configuration of the standard display gt Select SELd and determine the standard process category FLOW display shows the current volumetric flow value in the stand ard unit of measurement TOTL display indicates the current meter count in or 1000 m TEMP display indicates the current medium temperature in C gt Select diS and determine the update rate and orientation of the display d1 update of the measured values every 500 ms 92 update of the measured values every 1000 ms d3 update of the measured values every 2000 ms 191 rd2 rd3 display as for d1 02 d3 rotated by 180 OFF the display is switched off in the operating mode 9 5 3 Setting the output logic gt Select P n and set PnP or nPn 9 5 4 Customer specific calibration of the curve of measured values gt Select CGA and set the value between 60 and 140 100 factory preset 9 5 5 Calibration reset gt Select gt Press Set and keep it pressed until is displayed gt Press Mode Enter briefly gt Value is reset CGA 100 9 5 6 Setting the start up delay gt Select dSt and set the numerical value in seconds 9 5 7 Setting the damping of the measured values gt Select dAP and the damping constant in secon
12. ds t value 63 90 9 5 8 Setting the error behaviour of OUT1 OUT2 gt Select FOU1 and determine the value On output 1 switches ON in case of an error OFF output 1 switches OFF in case of an error gt Select FOU2 and determine the value On output 2 switches ON in case of an error the analogue signal goes to the upper end stop value OFF output 2 switches OFF in case of an error the analogue signal goes to the lower end stop value 9 5 9 Selection of the medium to be monitored gt Select MEDI and determine the required medium 420 Water GLYC Glycol solutions OIL Oils 9 6 Service functions 9 6 1 Reading the min max values for volumetric flow gt Select HI or LO and press Set briefly maximum value LO minimum value Delete memory gt Select HI or LO gt Press Set and keep it pressed until is displayed gt Press Mode Enter briefly It makes sense to delete the memories as soon as the unit works under normal operating conditions for the first time 23 9 6 2 Reset all parameters to the factory setting gt Select rES then press Set and keep it pressed until is dis played gt Press Mode Enter briefly The factory setting is listed at the end of the instructions gt 13 Factory setting It makes sense to write your own settings in this table before executing the function
13. e system after installation for ventilation rinsing quantity gt 3 I min Note Avoid the following installation position flow direction horizontal unit vertical connector upwards There 15 the risk of build up of air bubbles This can affect the measuring accuracy F flow direction 5 3 Protection against high medium temperatures For medium temperatures over 50 C some parts of the housing can heat up to over 65 C gt Protect the housing against contact with flammable substances and uninten tional contact 6 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 BN 2 WH 01 1 3 BU L Switching signal limit values for volumetric flow Switching signal quantity meter reached preset value Pulses 1 pulse every time the defined volumetric flow quantity is reached Switching signal limit values for volumetric flow Switching signal limit values for temperature Analogue signal for volumetric flow Analogue signal for temperature Input for signal meter reset Pin2 OUT2 InD Core colours of ifm sockets 1 BN brown 2 WH white 3 BU blue 4 BK black 14 7 Operating and display elements 7 8 N 9 N
14. gainst high medium 14 6 Electrical CH OM 14 7 Operating and display 15 NR eerie er ee _ entre 16 Menu 16 8 2 Explanation of the 17 3 18 9 1 General parameter 18 9 2 Settings for volumetric flow 20 9 2 1 Settings for limit value monitoring with 20 9 2 2 Settings for limit value monitoring with 2 20 9 2 3 Scaling of the analogue value for volumetric 20 9 3 Settings for monitoring of consumed 20 9 3 1 Settings for quantity monitoring by pulse 20 9 3 2 Settings for quantity monitoring using the preset meter 21 9 3 3 Settings for meter reset controlled by the program 21 9 3 4 Switch off the meter 5 21 9 3 5 Settings for meter reset by an external signal 21 9 4 Settings for tempera
15. ge signal proportional to volumetric flow 0 10 V gt Select ASP and set the value at which the minimum output value is provided gt Select AEP and set the value at which the maximum output value is provided 9 3 Settings for monitoring of consumed quantities 9 3 1 Settings for quantity monitoring by pulse output gt Select 001 and set ImP gt Select ImPS and set the volumetric flow quantity at which 1 pulse is provided 9 7 gt Select ImPR and set YES pulse repetition is active Output 1 provides a counting pulse when the value set in ImPS is reached 20 9 3 2 Settings for quantity monitoring using the preset meter gt Select OU1 and set ImP gt Select ImPS and set the volumetric flow quantity at which output 1 switches 9 7 gt Select ImPR and set no pulse repetition is not active The output switches ON if the value set in ImPS is reached It remains switched until the meter is reset 9 3 3 Settings for meter reset controlled by the program gt Select and continue with a b a Reset the meter manually press Set until rES T is displayed Press Mode Enter briefly b Enter the value for time controlled reset Press Set until the re quested value is displayed intervals from 1 hour to 8 weeks gt Press Mode Enter briefly 9 3 4 Switch off the meter reset gt Select and set OFF The meter is only reset after overflow
16. ility of the product materials 12 Techni cal data with the media to be measured For the scope of validity cULus The device shall be supplied from an isolating transformer having a secondary Listed fuse rated as noted in the following table Overcurrent protection Control circuit wire size Maximum protective device rating Ampere 3 Functions and features The unit monitors liquids It detects the 3 process categories volumetric flow consumed quantity medium temperature Applications Water e Glycol solutions Oils viscosity lt 68 2 5 at 40 C Selection of the medium to be monitored 9 5 9 4 Function 4 1 Processing of the measured signals The unit displays the current process values generates 2 output signals according to the parameter setting OUT1 selection options parameter setting switching signal for volumetric flow limit values 9 2 1 pulse sequence for totalising gt 9 3 1 or switching signal for preset counter 9 3 2 OUT2 4 selection options switching signal for volumetric flow limit value 9 2 2 or switching signal for temperature limit value 9 4 1 analogue signal for volumetric
17. ked Time out lf during parameter setting no pushbutton is pressed for 15 s the unit exits the param eter setting mode The parameter value is not changed For medium temperatures over 50 C some parts of the housing can heat up to over 65 C In this case do not press the pushbuttons manually instead use an object 9 2 Settings for volumetric flow monitoring 9 2 1 Settings for limit value monitoring with OUT1 gt Select OU1 and set the switching function Hno hysteresis function normally open Hnc hysteresis function normally closed Fno window function normally open Fnc window function normally closed gt Select 5 1 and set the value at which the output switches gt Select rP1 and set the value at which the output switches back 9 2 2 Settings for limit value monitoring with OUT2 gt Select SEL2 and set FLOW gt Select OU2 and set the switching function Hno hysteresis function normally open Hnc hysteresis function normally closed Fno window function normally open Fnc window function normally closed gt Select 5 2 and set the value at which the output switches gt Select rP2 and set the value at which the output switches back 9 2 3 Scaling of the analogue value for volumetric flow gt Select SEL2 and set FLOW gt Select OU2 and set the function I current signal proportional to volumetric flow 4 20 mA U volta
18. m Greater amounts of accumulated gas and air in the medium or unit generally lead to the display SEnS For medium temperatures over 50 C some parts of the housing can heat up to over 65 C gt In this case do not touch the unit gt Protect the housing against contact with flammable substances and uninten tional contact gt Do not press the pushbuttons manually instead use an object 2 11 Scale drawing Flow direction 1 Display 2 Connector electrical connection 3 Marking direction of flow 28 12 Technical data PUM AIG water glycol solutions oils Operating voltage V Current rating mA Protection short circuit reverse polarity overload Voltage drop V Current consumption typ mA Analogue output 4 20 1 0 10 V measuring range scaleable Max load current output Q Min load for voltage output 0 1 1 1 000 000 Pulse length 5 min 0 05 max 2 Power on delay time s Flow monitoring m Measuring Resolution Display range Maximum permissible flowrate 600 3600 Response time ms lt 250 dAP 0 Damping flow signal AP 5 0 0 1 0 Start up delay S 0 50 Accuracy water lt 3 MV 0 2 MVR glycol solutio
19. ns 35 lt 5 MV 0 5 MVR oils viscosity 68 5 at 40 C lt 5 MV 0 5 MVR Repeatability 0 1 l min 6 l h 0 006 m h Pressure loss dP flow rate Q dP mbar 1000 2 30 4050 100 150200 30 50 Q Temperature monitoring Measuring range C BR SONNE 0 2 Response time 5 09 70 for water Q gt 5 I min E 3 Q gt 1 l min Operating temperature C Medium temperature C Pressure resistance bar Material wetted parts Housing materials housing AIMgSi0 5 anodised sealing Viton connector housing brass Optalloy plated PA 6 6 cover film polyamide Protection Insulation resistance MQ gt 100 500 V DC Shock resistance g 20 DIN IEC 68 2 27 11ms Vibration resistance g 5 DIN IEC 68 2 6 55 2000 Hz EMC eae ee ene ne 4 8KV IEC 1000 4 3 HF radiated 156441 2 045 2 1000 4 5 0 5 1KV IEC 1000 4 6 HF conducted 10 V 1 to EN50178 SELV PELV MV measured value VMR final value of the measuring range 12 1 Setting ranges SP1 SP2 1P1 1P2 Cin oo we min 100 eo 80 500 min max AQ AT
20. r each parameter set Parameter selection gt Press Mode Enter until the requested parameter is displayed Setting of the parameter value gt Press Set and keep it pressed Current setting value of the param eter flashes for 5 s After 5 s The setting value is changed incremental by press ing briefly or scrolling by holding pressed Numerical values are incremented continuously If the value is to be reduced let the display move to the maximum setting value Then the cycle starts again at the minimum setting value Acknowledgement of the parameter value gt Press Mode Enter briefly gt The parameter is displayed again The new setting value is stored Setting of other parameters gt Start again with step 1 Finishing the parameter setting gt Press Mode Enter several times until the current measured value is displayed or wait for 15 5 gt The unit returns to the operating mode 18 e Change from menu level 1 to menu level 2 gt Press Mode Enter until EF is displayed gt Press Set briefly gt The first parameter of the sub menu is displayed here e Locking unlocking The unit can be locked electronically to prevent unintentional wrong settings gt Make sure that the unit is in the normal operating mode gt Press Mode Enter Set for 10 s gt Loc is displayed gt Press Mode Enter Set for 10 s gt uLoc is displayed When delivered unloc
21. t remains active below rP output is reset reaches again 0 5 of VMR 451 starts output becomes active 6 dSt elapsed has not reached SP output is reset Q reaches SP output becomes active Example dSt for window function Volumetric flow quantity reaches 0 5 of VMR dSt starts output becomes active dSt elapsed Q reached good range output remains active Q above SP leaves good range output is reset Q again below SP output becomes active again Q below rP leaves good range output is reset again 6 Q reaches again 0 5 of VMR 451 starts output becomes active dSt elapsed Q has not reached good range output is reset 8 Q reaches good range output becomes active 4 8 Customer specific calibration CGA This calibration changes the slope of the curve of measured values It influences the display and the outputs A A operating value for display and s output signals 140 MEW A Q volumetric flow 100 MEW MEW final value of the measuring range 60 MEW 4 V0 curve of measured values without calibration V1 curve of measured values V2 after calibration The change in the increase is indicated in percent 100 corresponds to the fac tory calibration It can be reset 9 5 5 10 5 Installation 5 1 Installation location gt Install the unit in that section of the plant where the medium flows under pres sure This avoids distur
22. the LED display changes 11 213 Set permanently pressed 9 1 123 Set kept pressed 110 11 12 gt Wait s do not The digit following on the right flashes becomes active press any button 81112 13 no pushbutton pressed after 3 s 8 112 13 after 35181112 13 after 35181112 13 If the fourth digit flashes unchanged for 3 s digit 1 becomes ac tive again if the value of digit 1 is gt 0 after 3 s 8 112 13 If digit 1 has the value 0 the display changes to the next lower setting range the decimal point is moved one place to the left or the LED display changes 01112 after 381112 1310 Next Change digit 4 or wait 3 5 and set digit 1 after 381112 1310 Highlighted grey 1 flashing digit Note If Set is pressed continuously the display moves through all setting ranges after the end value it jumps back to the start value Release Set briefly and start the setting again 25 10 Operation After power and expiry of the power on delay approx 10 5 the unit is in the Run mode normal operating mode It carries out its measurement and eval uation functions and generates output signals according to the set parameters e Operation indication chapter 7 Controls and indicating elements During the power on delay time the outputs are switched as programmed for NO function Hno and OFF for NC function f output
23. trolled automatic reset 9 3 3 e External input signal on pin 2 9 3 5 4 3 1 Consumed quantity monitoring with pulse output Output 1 provides a counting pulse if the value set in ImPS is reached 9 3 1 4 3 2 Consumed quantity monitoring with preset meter 2 types of monitoring are possible Time dependent quantity monitoring Settings ImPS quantity x ImPR no rTO time t If the quantity x is reached during the time t output 1 switches and remains switched until the meter is reset If the quantity x has not been reached after the time t the meter is automati cally reset and counting starts again output 1 does not switch Quantity monitoring not time dependent Settings ImPS quantity x ImPR no OFF If the quantity x is reached output 1 switches and remains switched until the meter is reset 4 4 Monitoring of temperatures e A switching signal for temperature limit values can be provided on output 2 For the switching functions 4 5 analogue signal proportional to the temperature 4 20 mA or 0 10 V can be provided on output 2 For the analogue functions 4 6 4 5 Volumetric flow or temperature monitoring switching function OUTx changes its switching state if it is above or below the set switching limits SPx rPx The following switching functions can be selected e Hysteresis function normally open fig 1 OUx Hno e Hysteresis f
24. ture monitoring 21 9 4 1 Settings for limit value monitoring with 2 21 9 4 2 Scaling of the analogue value 22 9 5 User settings 22 9 5 1 Determine the standard unit of measurement volumetric flow 22 9 5 2 Configuration of the standard 22 9 3 3 Seting the output 22 9 5 4 Customer specific calibration of the curve of measured values 22 9 5 9 Calibration 23 9 5 6 Seting the startup 06 23 9 5 7 Setting the damping of the measured 23 9 5 8 Setting the error 1 2 23 9 5 9 Selection of the medium to be 23 9 6 Service 29 9 6 1 Reading the min max values for volumetric 23 9 6 2 Reset all parameters to the factory 24 9 7 Setting of the preset meter pulse value 24
25. unction normally closed fig 1 OUx Hnc First the set point SPx is set then the reset point rPx at the requested distance Window function normally open fig 2 OUx Fno Window function normally closed fig 2 OUx Frc The width of the window can be set by means of the distance between SPx and rPx SPx maximum value rPx minimum value HY hysteresis FE window examples for volumetric flow monitoring When set to the window function the set and reset points have a fixed hysteresis of 0 25 of the final value of the measuring range This keeps the switching state of the output stable if the volumetric flow varies slightly 4 6 Volumetric flow or temperature monitoring analogue function The analogue start point ASP determines at which measured value the output signal is 4 mA or 0 V The analogue end point AEP determines at which measured value the output signal is 20 mA or 10 V Minimum distance between ASP and AEP 20 of the final value of the measuring range Voltage output 0 10 V example volumetric flow monitoring Factory setting Measuring range scaled 0 0 ASP AEP MEW Q MEW final value of the measuring range In the set measuring range the output signal is between 0 and 10 V It is also indicated Volumetric flow above the measuring range output signal gt 10 V Current output 4 20 mA example volumetric flow monitoring Factor
26. y setting Measuring range scaled 0 ASP AEP MEW Q MEW final value of the measuring range In the set measuring range the output signal is between 4 and 20 mA It is also indicated Volumetric flow above the measuring range output signal gt 20 mA 4 7 Start up delay 45 If the start up delay is active dSt gt 0 note as soon as the volumetric flow quantity exceeds 0 5 of the final value of the measuring range VMR the fol lowing processes are carried out The start up delay is activated e Output 1 switches as programmed ON for NO function OFF for NC function e Output 2 switches when the flow is evaluated SEL2 FLOW as pro grammed ON for NO function OFF for NC function dSt only has an effect on the switching signals for volumetric flow monitoring After the activation of the start up delay there are 3 options UK The volumetric flow quantity increases quickly and reaches the switch point good range within dSt outputs remain active The volumetric flow quantity increases slowly and does not reach the switch point good range within dSt outputs are reset The volumetric flow quantity falls below 0 5 within dSt outputs are imme diately reset dSt is stopped Example dSt for hysteresis function Volumetric flow quantity Q reaches 0 5 of VMR dSt starts output becomes active dSt elapsed Q reached SP output remains active Q below SP but above rP outpu
Download Pdf Manuals
Related Search