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10.4 General operating conditions

► Avoid deposits, accumulated gas and air in the pipe system�

For medium temperatures over 50 °C some parts of the housing can heat

up to over 65 °C�

► In this case do not touch the unit�

► Protect the housing against contact with flammable substances and uninten-

tional contact�

► Do not press the pushbuttons manually; instead use an object (e�g� ballpoint

pen)�

11 Scale drawing

Содержание SM7000

Страница 1: ...Operating instructions Magnetic inductive flow sensor SM7000 704971 00 01 2011 UK ...

Страница 2: ... Start up delay dSt 10 5 Installation 11 5 1 Installation location 11 5 2 Installation in pipes 14 5 3 Protection against high medium temperatures 14 6 Electrical connection 15 7 Operating and display elements 16 8 Menu 17 8 1 Menu structure 17 8 2 Explanation of the menu 18 9 Parameter setting 19 9 1 General parameter setting 19 9 2 Settings for volumetric flow monitoring 21 9 2 1 Settings for li...

Страница 3: ...n of the standard display 23 9 5 3 Setting the output logic 23 9 5 4 Setting the start up delay 23 9 5 5 Setting the damping of the measured values 23 9 5 6 Setting the error behaviour of OUT1 OUT2 24 9 6 Service functions 24 9 6 1 Reading the min max values for volumetric flow 24 9 6 2 Reset all parameters to the factory setting 24 9 7 Setting of the preset meter pulse value ImPS 25 10 Operation ...

Страница 4: ... lead to malfunctions of the unit or to unwanted effects in your application That is why installation electrical con nection set up operation and maintenance of the unit must be carried out by qualified personnel authorised by the plant operator In all applications test the compatibility of the product materials 12 Techni cal data with the media to be measured For the scope of validity cULus The d...

Страница 5: ...nal for volumetric flow limit value 9 2 2 or switching signal for temperature limit value 9 4 1 or analogue signal for volumetric flow 9 2 3 or 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 medium flows through a magnetic field It generates a signal voltage which is direct...

Страница 6: ...on meter subtracts Counting pulses are only provided as the sum increases After subtraction consumded quantity decreases pulses are not provided again before the consumded quantity has exceeded the former maximum value V volumetric flow quantity Imp output pulses The current meter count can be indicated In addition the value before the last reset is stored This value can also be indicated The mete...

Страница 7: ...s and remains switched until the meter is reset 4 4 Monitoring of temperatures A switching signal for temperature limit values can be provided on output 2 For the switching functions 4 5 An 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 swi...

Страница 8: ... 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...

Страница 9: ... between 0 and 10 V It is also indicated Volumetric flow above the measuring range output signal 10 V Current output 4 20 mA example volumetric flow monitoring Factory setting Measuring range scaled 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 20 mA ...

Страница 10: ...are 3 options 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 1 Volu...

Страница 11: ...aches again 0 5 of VMR dSt starts output becomes active 7 dSt elapsed Q has not reached good range output is reset 8 Q reaches good range output becomes active 5 Installation 5 1 Installation location Install the unit so that the measuring pipe is always completely filled Arrange for inlet and outlet pipe lengths Disturbances caused by bends valves reductions etc are compensated for It applies in ...

Страница 12: ...ng pipe F flow direction Avoid the following installation locations Directly in front of a falling pipe In a falling pipe F flow direction At the highest point of the pipe system Directly in front of the spout of a pipe F flow direction ...

Страница 13: ...n the pipe system The pipes are always completely filled On the suction side of a pump F flow direction If installed in an ungrounded pipe system e g plastic pipes the unit must be grounded Ground brackets for the G thread are available as accessories order number E40197 A cable lug not included in the scope of supply ...

Страница 14: ...n opposite direction tightening torque 30 Nm After installation air bubbles in the system can affect the measurement Help Rinse the system after installation for ventilation rinsing quantity 3 l min In cases of horizontal installation As a result of design requirements a small quantity of the medium always remains in the measuring channel after switching off the pump 5 3 Protection against high me...

Страница 15: ... Pin1 Ub Pin3 Ub Pin4 OUT1 Switching signal limit values for volumetric flow Switching signal quantity meter reached preset value Pulses 1 pulse every time the defined volumetric flow is reached Pin2 OUT2 InD 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 rese...

Страница 16: ...EDs 4 and 6 flashing consumed quantity before the last reset in 103 cubic metres LED 5 current medium temperature in C 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 th...

Страница 17: ...17 UK 8 Menu 8 1 Menu structure Mode Enter Set l or m3 current meter count in l m3 or 1000 m3 l or m3 stored meter count in l m3 or 1000 m3 ...

Страница 18: ...value for volumetric flow or temperature AEP Analogue end value for volumetric flow or temperature DIn2 Configuration of the input pin 2 for meter reset EF Extended functions opening of menu level 2 HI Maximum value memory for volumetric flow LO Minimum value memory for volumetric flow FOU1 Behaviour of output 1 in case of an internal fault FOU2 Behaviour of output 2 in case of an internal fault d...

Страница 19: ...m 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 3 Acknowledgement of the parameter value Press Mode Enter briefly The parameter is display...

Страница 20: ...Mode Enter Set for 10 s Loc is displayed During operation Loc is briefly displayed if you try to change parameter values Press Mode Enter Set for 10 s uLoc is displayed When delivered unlocked Time out If 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 housin...

Страница 21: ...function normally closed Select SP2 and set the value at which the output switches Select rP2 and set the value at which the output switches back 9 2 3 Scaling of the analogue value for volumetric flow Select SEL2 and set FLOW Select OU2 and set the function I current signal proportional to volumetric flow 4 20 mA U voltage signal proportional to volumetric flow 0 10 V Select ASP and set the value...

Страница 22: ...vals from 1 hour to 8 weeks Press Mode Enter briefly 9 3 4 Switch off the meter reset Select rTO and set OFF The meter is only reset after overflow factory setting 9 3 5 Settings for meter reset by an external signal Select OU2 and then InD Select Din2 and set the reset signal Hi reset for high signal Lo reset for low signal EDG reset for rising edge EDG reset for falling edge 9 4 Settings for tem...

Страница 23: ...st accuracy 9 5 2 Configuration of the standard display 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 l m3 or 1000 m3 TEMP display indicates the current medium temperature in C Select diS and determine the update rate and orientation of the display d...

Страница 24: ...ith the parameters The analogue signal corresponds to the measured value 9 6 Service functions 9 6 1 Reading the min max values for volumetric flow Select HI or LO and press Set briefly HI maximum value LO minimum value Delete memory Select HI or LO Press Set and keep it pressed until is displayed Press Mode Enter briefly It makes sense to delete the memories as soon as the unit works under normal...

Страница 25: ...1 to ImP 9 3 2 Press Mode Enter until ImPS is displayed Press Set and keep it pressed The current numerical value flashes for 5 s then one of the 4 digits becomes active digit flashes can be changed Set the requested value as indicated in the following table First select the requested setting range Then set the figure from the left digit to the right digit Press Mode Enter briefly when all 4 digit...

Страница 26: ...n the right flashes becomes active 8 1 2 3 no pushbutton pressed after 3 s 8 1 2 3 after 3 s 8 1 2 3 after 3 s 8 1 2 3 If the fourth digit flashes unchanged for 3 s digit 1 becomes ac tive again if the value of digit 1 is 0 after 3 s 8 1 2 3 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 0 1...

Страница 27: ...meter value for approx 15 s After another 15 s the parameter is displayed again then the unit returns to the Run mode 10 2 Changing the display unit in the Run mode Press Set briefly in the Run mode Press the pushbutton to move to the next display unit The unit displays the current measured value for approx 15 s the correspond ing LED lights 10 3 Error indication SC1 Short circuit in OUT1 SC2 Shor...

Страница 28: ... medium temperatures over 50 C some parts of the housing can heat up to over 65 C In this case do not touch the unit Protect the housing against contact with flammable substances and uninten tional contact Do not press the pushbuttons manually instead use an object e g ballpoint pen 11 Scale drawing ...

Страница 29: ...ltage output kΩ 2 Pulse value 0 01 l 50 000 m Pulse length s min 0 005 max 2 Power on delay time s 5 Flow monitoring Measuring range l min m h 0 2 50 0 0 010 3 000 Resolution l min m h 0 1 0 001 Display range l min m h 60 60 3 6 3 5 Response time ms 150 dAP 0 Damping flow signal dAP s 0 0 5 0 Start up delay s 0 50 Accuracy 2 MV 0 5 VMR Repeatability VMR 0 2 Pressure loss dP flow rate Q 100 50 0 10...

Страница 30: ...2000 Hz EMC IEC 1000 4 2 ESD 4 8 KV IEC 1000 4 3 HF radiated 10 V m IEC 1000 4 4 Burst 2 KV IEC 1000 4 5 Surge 0 5 1 KV 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 FLOW SP1 SP2 rP1 rP2 ASP AEP Q min max min max min max min max l min 0 5 50 0 0 2 49 8 0 0 40 0 10 0 50 0 0 1 m3 h 0 027 3 000 0 012 2 985 0 000 2 40...

Страница 31: ... 8 ImPS 0 1 ImPR YES OU1 Hno OU2 I SP2 FLOW 20 0 rP2 FLOW 19 8 SP2 TEMP 20 0 rP2 TEMP 19 6 ASP FLOW 0 0 AEP FLOW 50 0 ASP TEMP 20 0 AEP TEMP 80 0 DIn2 EDG FOU1 OFF FOU2 OFF dSt 0 P n PnP dAP 0 6 rTo OFF diS d2 Uni Lmin SELd FLOW SEL2 FLOW More information at www ifm com ...

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