IFM SA20 Series Operating Instructions Manual Download

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Operating instructions

Flow sensor

SAxx20

8029543

/ 00 11 / 2020

Summary of Contents for SA20 Series

Page 1: ...Operating instructions Flow sensor SAxx20 80295435 00 11 2020 GB ...

Page 2: ...ation 8 5 5 Switching output 9 5 6 Analogue output 11 5 7 Frequency output 12 5 8 Measured value damping 14 5 9 Display colour setting 14 5 10 IO Link 15 5 10 1 IO Link process values 16 6 Installation 17 6 1 Process connection 17 6 2 Interference 17 6 3 Installation position 18 6 3 1 Immersion depth 18 6 3 2 Recommended mounting position 19 6 3 3 Conditionally possible installation position 19 6 ...

Page 3: ...s function 33 11 3 2 Limit monitoring OUTx window function 33 11 3 3 Frequency signal OUTx 33 11 3 4 Analogue signal OUT2 34 11 4 User settings optional 34 11 4 1 Standard display 34 11 4 2 Display colour setting 34 11 4 3 Output logic 35 11 4 4 Measured value damping 35 11 4 5 Switch on switch off delay 35 11 4 6 Error behaviour of the outputs 35 11 4 7 Calibration 36 11 4 8 Lock unlock 36 11 4 9...

Page 4: ...14 1 Error messages 39 14 2 Warning messages 39 15 Maintenance repair and disposal 40 16 Factory settings 40 ...

Page 5: ...uries may result 2 Safety instructions The unit described is a subcomponent for integration into a system The system architect is responsible for the safety of the system The system creator undertakes to perform a risk assessment and to create documentation in accordance with legal and normative requirements to be provided to the operator and user of the system This documentation must contain all ...

Page 6: ...onnel authorised by the machine operator Protect units and cables against damage 3 Getting started The unit has two configurable outputs for flow and temperature monitoring The process values and error messages can be read from the display All process values and messages are available via the IO Link interface irrespective of the output configuration 3 1 Device function with factory setting Factor...

Page 7: ...lass A product This product may cause radio interference in domestic areas u If required take appropriate EMC screening measures 5 Function The unit detects flow based on the calorimetric measuring principle As additional process value the unit detects the medium temperature The unit has an IO Link interface The unit displays the current process values The unit has many self diagnostic options The...

Page 8: ...ature measurement only absolute values in C are indicated When ModE GAS is selected u Define the internal pipe diameter u If required calibrate curve of measured values When ModE REL is selected u Carry out flow adjustment The parameter settings are saved in the respective operating mode i e when the operating mode is changed the settings are not lost 5 4 Calibration Via the calibration factor CGA...

Page 9: ...red values 2 after calibration The change in the gradient is indicated in per cent Factory setting CGA 100 After a change the calibration can be reset to factory setting The parameter CGA is not available if ModE REL is set Depending on the set CGA factor it may not be possible to use the complete measuring range 5 5 Switching output OUTx changes its switching status if it is above or below the se...

Page 10: ... rP are defined The rP value must be lower than the SP value The distance between SP and rP is at least 4 of the final value of the measuring range hysteresis If only the set point is changed the reset point is changed automatically the difference remains constant FL FH Fig 3 Window function FH Upper limit value FL Lower limit value HY Hysteresis FE Window Fno Window function NO normally open Fnc ...

Page 11: ...nce between ASP and AEP 20 of the final value of the measuring range For flow measurement in the operating mode REL ASP and AEP are not available In this operating mode the characteristic curve of the analogue output is defined by the flow adjustment high flow 20 mA low flow 4 mA If the measured value is outside the measuring range or in the event of an internal error the current signal indicated ...

Page 12: ...4 Measuring range AEP Analogue end point 5 Scaled measuring range UL Below the display range Q Flow OL Above the display range T Temperature Err Error 5 7 Frequency output The unit provides a frequency signal proportional to the process value The frequency signal is scalable FrPx defines the frequency signal in Hz that is provided when the upper measured value MEW or FEPx is reached The measuring ...

Page 13: ...Err Ò The frequency signal in case of a fault is adjustable 35 FOU On In case of a fault the frequency signal goes to the upper end stop value 130 FrPx FOU OFF In case of a fault the frequency signal goes to the lower end stop value 0 Hz FOU OU The frequency signal still corresponds to the measured value MEW FEPx FrPx 100 0 120 100 0 120 MEW 130 OL Err 1 2 5 4 3 FOU On FOU OFF UL Err Fig 5 Output ...

Page 14: ...he final value if the measured value changes suddenly The set damping time stabilises the switching outputs the analogue outputs the display and the process value transmission via the IO Link interface The damping time is added to the response time of the sensor Ò Technical data The signals UL and OL are defined under consideration of the damping time Measured value damping only has an effect on t...

Page 15: ...function MAW Initial value of the measuring range MEW Final value of the measuring range FLx Lower limit of the window section FHx Upper limit of the window section 5 10 IO Link This unit has an IO Link communication interface which enables direct access to process and diagnostic data In addition it is possible to set the parameters of the unit while it is in operation Operation of the unit via th...

Page 16: ...r to other units of the same type Simultaneous reading of all process values and the binary switching signals Comprehensive display of error and event messages Evaluation of the process values and diagnostic data via IO Link master Paperless logging of parameter sets process values and diagnostic information Additional parameters via IO Link electronic lock as protection against tampering 5 10 1 I...

Page 17: ...cessories Information about the available mounting accessories at www ifm com A correct fit of the unit and ingress resistance of the connection are only ensured using ifm adapters u Observe the instructions of the mounting accessories u Use a lubricating paste which is suitable and approved for the application Grease the threads of the process connection adapter and sensor Ensure no grease is app...

Page 18: ... the pipe S Interference 6 3 Installation position 6 3 1 Immersion depth 15 mm Fig 10 Immersion depth The sensor tip must be completely surrounded by the medium Recommended immersion depths With an internal pipe diameter diA 120 mm 15 mm With an internal pipe diameter diA 120 mm diA ...

Page 19: ...de For vertical pipes mounting in the rising pipe 6 3 3 Conditionally possible installation position Fig 12 Conditionally possible installation position For horizontal pipes if the pipe is free from build up mounting from below For horizontal pipes if the pipe is completely filled with medium mounting from the top GB ...

Page 20: ...20 6 3 4 Impermissible installation position Fig 13 Impermissible installation position The sensor tip must not be in contact with the pipe wall Do not mount in downpipes that are open at the bottom ...

Page 21: ...es from the left For easier readability of the display the sensor housing can be rotated by 345 with regard to the process connection Do not go beyond the end stop 7 Electrical connection The device must be connected by a qualified electrician Observe the national and international regulations for the installation of electrical equipment Voltage supply according to EN 50178 SELV PELV u Disconnect ...

Page 22: ...N brown BU blue WH white Pin Connection 1 L 3 L 4 OUT1 Switching signal flow Frequency signal flow IO Link 2 OUT2 Switching signal flow Switching signal temperature Analogue signal flow Analogue signal temperature Frequency signal flow Frequency signal temperature Input for external teach signal remote calibration ...

Page 23: ...3 1 x positive switching 1 x analogue 4 1 x negative switching 1 x analogue 8 Operating and display elements 1 3 4 2 5 Fig 17 Operating and display elements 1 Switching status LED for OUT1 2 Switching status LED for OUT2 3 Process value in the indicated unit of measurement m s l min m3 h C x103 4 4 digit alphanumeric display 5 Ò Keys for changing views and parameter setting 30 GB ...

Page 24: ...arameter setting in general 30 Process value display 1 Main menu 2 Initialisation menu INI 3 Extended functions EF 4 Basic settings CFG 5 Min max memory MEM 6 Display settings DIS 1 Ò Main menu 25 4 Ò Menu Basic settings CFG 27 2 Ò Initialisation menu INI 26 5 Ò Menu Min max memory MEM 28 3 Ò Menu Extended functions EF 26 6 Ò Menu Display settings DIS 28 ...

Page 25: ...d are indicated in case of factory setting If the default settings for the operating mode and output functions are changed the parameters with a grey background are also visible EF EF rP1 SP1 FH1 FL1 FEP1 FrP1 FrP2 FSP2 t HGH t LOW INI INI FEP2 FSP2 FH2 FL2 rP2 SP2 ASP2 AEP2 Process value display Fig 18 Main menu GB ...

Page 26: ...26 MEdI CGA 60 140 15 400 diA ModE REL GAS INI Main menu Fig 19 Initialisation menu INI EF rES CFG CFG DIS MEM MEM DIS Main menu Fig 20 Menu Extended functions EF ...

Page 27: ...no Fnc FRQ dS1 dr1 dS2 uni P n dAP CFG 0 0 5 0 s FOU1 FOU2 OFF On OU OFF On OU PnP nPn m3 h l min m s Hno Hnc Fno Fnc I tch FRQ dr2 SEL2 FLOW TEMP 0 0 60 s 0 0 60 s 0 0 60 s 0 0 60 s EF EF Fig 21 Menu Basic settings CFG GB ...

Page 28: ...n 0 0 l min 0 0 C 0 0 C EF EF Fig 22 Menu Min max memory MEM Ò Measured value in the standard unit of measurement 31 DIS coLr SELd FLOW TEMP GrEn rEd diS d2 d3 d1 rd1 rd2 rd3 OFF r1ou G1ou r2ou G2ou EF EF Fig 23 Menu Display settings DIS ...

Page 29: ...rature is above 50 C 122 F parts of the housing can increase in temperature to over 65 C 149 F w Risk of burns u Do not touch the device with your hands u Use another object e g a ballpoint pen to carry out settings on the unit Parameters can be set before installation and set up of the unit or during operation If you change parameters during operation this will influence the function of the plant...

Page 30: ... higher menu level repeat several times to reach process value display and Return to the process value display 30 seconds timeout 11 2 Presetting Before setting the parameters first check the following default settings and change them if necessary SEL2 Process value for OUT2 ModE Operating mode uni Standard unit of measurement for flow 11 2 1 Process value for OUT2 u Select the CFG menu u Select S...

Page 31: ...ettings are not lost 11 2 3 Standard unit of measurement for flow u Select the CFG menu u Select uni and set the unit of measurement l min m3 h m s uni is only available if the operating mode GAS is selected For the operating mode REL the flow value is always displayed in of the measuring range 11 2 4 Internal pipe diameter u Select the INI menu u Select diA and define the internal pipe diameter d...

Page 32: ... Briefly press w Display donE adjustment successful w Display FAIL repeat the adjustment w The unit defines the existing flow as minimum flow 0 u Briefly press t HGH and t LOW are only available if the operating mode REL is selected 11 2 6 Remote calibration u Select the CFG menu u Select ou2 and set tch High flow adjustment u Apply the operating voltage to pin 2 for 5 to 10 s Low flow adjustment ...

Page 33: ...and set the measured value at which the output switches off 11 3 2 Limit monitoring OUTx window function u Select the CFG menu u Select oux and set the switching signal Fno window function normally open Fnc window function normally closed u Select the main menu u Select FHx and set the upper limit of the window section u Select FLx and set the lower limit of the window section 11 3 3 Frequency sig...

Page 34: ...AEP2 are only available if the operating mode GAS is selected 11 4 User settings optional 11 4 1 Standard display u Select the DIS menu u Select SELd and set the standard unit of measurement FLOW The current flow in the standard unit of measurement is displayed TEMP The current medium temperature in C is displayed u Select diS and set the update rate and orientation of the display d1 d2 d3 update ...

Page 35: ...f delay u Select the CFG menu u Select dSx and set the delay for switching OUTx in seconds u Select drx and set the delay for resetting OUTx in seconds 11 4 6 Error behaviour of the outputs u Select the CFG menu u Select FOUx and set the error behaviour for OUTx Switching output On Output switches ON in case of a fault OFF Output switches OFF in case of a fault OU Output switches irrespective of t...

Page 36: ...tronically to prevent unintentional settings Factory setting not locked Locking u Make sure that the unit is in the normal operating mode u Press and simultaneously for 10 s until Loc displayed Unlocking u Make sure that the unit is in the normal operating mode u Press and simultaneously for 10 s until uLoc is displayed 11 4 9 Factory reset u Select the EF menu u Select rES u Briefly press u Keep ...

Page 37: ... w is displayed u Briefly press It makes sense to delete the memories as soon as the unit operates under normal operating conditions for the first time In the operating mode REL a new teaching process deletes the memory 12 Operation After power on and expiry of the power on delay time the unit is in the normal operating mode It carries out its measurement and evaluation functions and generates out...

Page 38: ...display 13 Technical data Technical data and scale drawing at www ifm com 14 Troubleshooting The unit has many self diagnostic options It monitors itself automatically during operation Warnings and error states are displayed even if the display is switched off Error indications are also available via IO Link The status signals are classified according to NAMUR recommendation NE107 If several diagn...

Page 39: ...ameter setting via IO Link communication active u Finish parameter setting via IO Link communication S Loc Setting buttons locked via parameter setting software parameter change rejected u Unlock the unit via IO Link interface using the parameter setting software UL Value below the minimum value of the temperature display range temperature value 44 C u Check the temperature range Value below the m...

Page 40: ... flow adjustment 15 Maintenance repair and disposal Only the manufacturer is allowed to repair the unit u Ensure that the sensor tip is free from build up Check the sensor tip for build up one month after set up Repeat check regularly Determine check intervals based on the application In case of soiling clean the sensor tip with a soft cloth Stubborn build up such as lime can be removed using a co...

Page 41: ... FL2 FLOW 35 10 6 m s FH2 TEMP 28 C FL2 TEMP 26 C FSP2 FLOW Not available FSP2 TEMP 20 C FEP2 FLOW 100 30 m s FEP2 TEMP 100 C FrP2 100 Hz ASP2 FLOW Not available 0 m s AEP2 FLOW Not available 30 m s ASP2 TEMP 20 C AEP2 TEMP 100 C uni Not available m3 h CGA Not available 100 ou1 Hno ou2 I dS1 0 s dr1 0 s dS2 0 s dr2 0 s P n PnP dAP 0 6 s GB ...

Page 42: ...42 Parameter Factory setting User setting FOU1 OFF FOU2 OFF SEL2 FLOW coLr rEd diS d2 SELd FLOW The percentage values refer to the final value of the measuring range MEW ...

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