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F127-P-EL-TA 

DIFFERENTIAL FLOW COMPUTER  
FOR CORRECTED LIQUID VOLUME 
 

 

Signal input flowmeter: pulse, namur and coil. 

Signal input temperature: (0)4-20mA. 

Signal outputs: 4-20mA ref. corrected flowrate. 

Options: Intrinsically Safe, Modbus communication. 

 
 

   

F-Series - Field mounted indicators for safe and hazardous areas. More info: www.fluidwell.com/fseries

 

Summary of Contents for F127-P-EL-TA

Page 1: ...Signal input flowmeter pulse namur and coil Signal input temperature 0 4 20mA Signal outputs 4 20mA ref corrected flowrate Options Intrinsically Safe Modbus communication F Series Field mounted indicators for safe and hazardous areas More info www fluidwell com fseries ...

Page 2: ...sed of according to local regulations regarding waste electronic equipment If a battery is present in this product it should be disposed of separately The separate collection and recycling of your waste equipment will help to conserve natural resources and ensure that it is recycled in a manner that protects the environment SAFETY RULES AND PRECAUTIONARY MEASURES The manufacturer accepts no respon...

Page 3: ...edures which if not performed correctly may lead to personal injury a safety hazard or damage of the F127 P EL TA or connected instruments A caution indicates actions or procedures which if not performed correctly may lead to personal injury or incorrect functioning of the F127 P EL TA or connected instruments A note indicates actions or procedures which if not performed correctly may indirectly a...

Page 4: ...wmeter 17 8 Temperature A 18 9 Temperature B 20 A Formula 21 B Analog output 22 C Communication optional 23 D Others 23 4 Installation 24 4 1 General directions 24 4 2 Installation surrounding conditions 24 4 3 Dimensions Enclosure 25 4 4 Installing the hardware 27 4 4 1 Introduction 27 4 4 2 Voltage selection sensor supply 28 4 4 3 Terminal connectors 29 5 Intrinsically safe applications 35 5 1 G...

Page 5: ... to process all types of flowmeter signals transmitting possibilities with analog and communication option outputs Flowmeter and temperature input This manual describes the unit with a pulse type input from the flowmeter P version Two flowmeters with a passive or active pulse Namur or coil signal output can be connected to the F127 P EL To power the sensor several options are available This unit h...

Page 6: ... as described in chapter 3 2 3 Display information The unit has a large transflective LCD with all kinds of symbols and digits to display measuring units status information trend indication and key word messages Flowrate and totals can be displayed either with the small 8mm digits or with the 17mm digits A backup of the total and accumulated total in EEPROM memory is made every minute Options The ...

Page 7: ...ion is meant for users operators 2 2 CONTROL PANEL The following keys are available Fig 2 Control Panel Functions of the keys This key is used to program and save new values or settings It is also used to gain access to SETUP level please read chapter 3 This key is used to SELECT accumulated total and temperature The arrow key is used to increase a value after PROG has been pressed or to configure...

Page 8: ...n this is due to the settings of the unit Clear total The value for total can be re initialized To do so press CLEAR twice After pressing CLEAR once the flashing text PUSH CLEAR is displayed To avoid re initialization at this stage press another key than CLEAR or wait for 20 seconds Re initialization of total DOES NOT influence the accumulated total Display calculated differential accumulated tota...

Page 9: ... are to be observed Ensure that the measuring system is correctly wired up according to the wiring diagrams The housing may only be opened by trained personnel Take careful notice of the Safety rules instructions and precautionary measures in the front of this manual 3 2 PROGRAMMING SETUP LEVEL 3 2 1 GENERAL Configuration of the F127 P EL is done at SETUP level SETUP level is reached by pressing t...

Page 10: ... a unique number which is displayed below the word SETUP at the bottom of the display The number is a combination of two figures The first figure indicates the function group and the second figure the sub function Additionally each function is expressed with a keyword After selecting a sub function the next main function is selected by scrolling through all active sub functions e g 1 11 12 13 14 1...

Page 11: ... data is altered but ENTER is not pressed then the alteration can still be cancelled by waiting for 20 seconds or by pressing ENTER for three seconds the PROG procedure will be left automatically and the former value reinstated Note alterations will only be set after ENTER has been pressed To return to OPERATOR level In order to return to the operator level PROG will have to be pressed for three s...

Page 12: ...e threshold stationary 53 STATIONARY FLOWRATE 0000 000 9999999 units time unit 54 STATIONARY TOTAL 0000 000 9999 999 units hr 6 POWER MANAGEMENT 61 LCD UPDATE fast 1 sec 3 sec 15 sec 30 sec off 62 BATTERY MODE operational shelf 7 FLOWMETER 71 SIGNAL A npn npn_lp reed reed_lp pnp pnp_lp namur coil_hi coil_lo act_8 1 act_12 act_24 72 SIGNAL B npn npn_lp reed reed_lp pnp pnp_lp namur coil_hi coil_lo ...

Page 13: ...ecimal point determines for total accumulated total and pulse output the number of digits following the decimal point for BOTH A and B The following can be selected 0000000 111111 1 22222 22 3333 333 K FACTOR 13 With the K factor the flowmeter pulse signals are converted to a quantity The K factor is based on the number of pulses generated by the flowmeter per selected measurement unit SETUP 11 fo...

Page 14: ...HR or day DAY This selection is valid for BOTH A and B flow DECIMALS 23 This setting determines for flowrate the number of digits following the decimal point for BOTH A and B The following can be selected 00000 1111 1 2222 22 3333 333 K FACTOR 24 With the K factor the flowmeter pulse signals are converted to a flowrate The K factor is based on the number of pulses generated by the flowmeter per se...

Page 15: ...es Note the shorter the time the higher the power consumption of the unit will be important for battery powered applications 3 TOTAL B K FACTOR 31 With the K factor the flowmeter pulse signals are converted to a quantity The K factor is based on the number of pulses generated by the flowmeter per selected measurement unit SETUP 11 for example per cubic meter The more accurate the K factor the more...

Page 16: ...played flowrate as soon as the flowrate is lower as setting 53 or negative the stationary flowrate setting 53 will be displayed Displayed total as soon as the flowrate is lower as setting 53 or negative stationary totalisation setting 54 will be activated However if the value of setting 54 is zero totalisation will be positive and negative STATIONARY FLOWRATE 53 Enter here the flowrate according s...

Page 17: ... has two modes operational or shelf After shelf has been selected the unit can be stored for several years it will not count pulses the display is switched off but all settings and totals are stored In this mode power consumption is extremely low To wake up the unit again press the SELECT key twice 7 FLOWMETER SIGNAL A 71 The F127 P is able to handle several types of input signal The type of flowm...

Page 18: ...mark if you want to work with a fixed temperature enter here the fixed line temperature in K and make sure that the span is set to zero Value to be entered 0 00 99 999 99 K FILTER 84 The analog output signal of a sensor does mirror the actual temperature This signal is measured several times a second The value measured is a snap shot of the real temperature as it will be fluctuating With the help ...

Page 19: ...ue is re installed CAL SET to select the last calibrated value CALIBRATE HIGH 86 With this setting it is possible to calibrate the input value for 20mA as the signal from the sensor might not be exact 20 0 mA at maximum temperature which is the offset value plus the Span value This function will measure the real output value at maximum temperature Warning be very sure that the offered signal is co...

Page 20: ... to a desired value For explanation of this function please read 8 Temperature A CALIBRATE LOW 95 With this setting it is possible to calibrate the input value for 0 4mA as the signal from the sensor might not be exact 4 0 mA or 0 0 mA at offset temperature SETUP 93 This function will measure the real output value at offset temperature Warning be very sure that the offered signal is correct before...

Page 21: ... temperature THERMAL EXPANSION COEFFICIENT A2 Enter here the thermal expansion coefficient α for the liquid used The value to be entered has to be multiplied with 1000 The decimal position is fixed but can not be displayed x xxxxxx With the default value of 0 000000 the volume correction is disabled Examples Calculation of the thermal expansion coefficient α for water is 0 00031 per K Enter 031000...

Page 22: ... L min for example are dependant upon SETUP 21 and 22 but can not be displayed CUT OFF B4 To ignore leakage of the flow for example a low flow cut off can be set as a percentage of the full range of 16mA or 20mA 10V When the flow is less than the required rate the current will be 4mA Examples 4MA SETUP B2 20MA SETUP B3 CUT OFF SETUP B4 REQUIRED RATE OUTPUT 0 L min 100 L min 2 100 0 2 2 0 L min 4 1...

Page 23: ... installed Consult Appendix C and the Modbus communication protocol description for a detailed explanation BAUDRATE C1 For external control the following communication speeds can be selected 1200 2400 4800 9600 baud BUS ADDRESS C2 For communication purposes a unique identity can be attributed to every F127 P EL This address can vary from 1 255 MODE C3 The communication protocol is Modbus RTU mode ...

Page 24: ...tal contact is no longer assured when the housing cover is removed or the panel cabinet has been opened danger from electrical shock The housing may only be opened by trained personnel Take careful notice of the Safety rules instructions and precautionary measures at the front of this manual 4 2 INSTALLATION SURROUNDING CONDITIONS Take the relevant IP classification of the casing into account see ...

Page 25: ...9 30mm 30mm 22 5mm M20 x 1 5 M16 x 1 5 M16 x 1 5 30mm 30mm 22 50mm M20 x 1 5 22 5mm M20 x 1 5 M20 x 1 5 25mm 25mm 22 5mm 1 2 NPT 0 9 3x 1 2 NPT 0 12 0 12 0 9 HA HM HN HO HP HT HU 6 x M12 12mm 12mm 24mm 24mm 36mm 36mm 14mm 17mm 115 mm 4 53 98 mm 3 86 HB 29 1 mm 1 15 31 mm 1 22 HZ 4x M20 x 1 5 15 15 15 HV 23 23 16 mm Fig 5 Dimensions aluminum enclosures ...

Page 26: ...back box flat bottom HE HF HG HH D 12mm 12mm 12mm 24mm 24mm 36mm 36mm 14mm 17mm 22 5mm 30mm 30mm D 16mm D 20mm 0 9 D 22mm 0 866 22 5mm 25mm 25mm D 20mm D 20mm D 16mm HC 75 mm 2 95 118 mm 4 65 104 mm 4 09 HJ 0 9 0 12 0 12 3x D 22mm 0 866 115 mm 4 53 98 mm 3 86 29 1 mm 1 15 31 mm 1 22 Fig 6 Dimensions GRP enclosures ...

Page 27: ... due to impact or friction sparks between the enclosure and iron steel is excluded Do ground the aluminum enclosure properly as indicated if the F127 P EL has been supplied with the 115 230V AC power supply type PM The green yellow wire between the back casing and removable terminal block may never be removed Fig 7 Grounding aluminum enclosure with type PM 115 230V AC FOR INSTALLATION PAY EMPHATIC...

Page 28: ... Total power consumption PD max 50mA 24V and PF PM max 400mA 24V The voltage is selected with the three switches inside the enclosure Warning be sure that all the leads to the terminals are disconnected from the unit when the internal plastic protection cover has been removed HIGH VOLTAGE 400V NEVER connect the mains power supply to the unit when the plastic protection cover has been removed First...

Page 29: ...7 P EL TA and options REMARKS TERMINAL CONNECTORS Power Supply Terminal GND 01 02 only available with option PD OPTION SENSOR SUPPLY Terminal backlight OPTION AA OPTION AU GND 01 02 PD 8 24V AC 8 2 12 24V max 50mA AC AC PD 8 30V DC 8 2 12 24V max 50mA L L Φ standard option Note Option PM Important for Model F127 P EL TA option PM 80 230V AC power supply is not available For Intrinsically Safe appl...

Page 30: ...r supply should be connected to terminal 07 and 08 the current is then regulated by unit This DC supply is also used to power the unit output loop powered When a power supply is connected but the output is disabled a 3 5mA signal will be generated Max driving capacity 1000 Ohm Option AA An active 4 20mA signal proportional to the flowrate is available with this option When the output is disabled a...

Page 31: ... be connected to the unit pulse active pulse or coil The screen of the signal wire must be connected to the common ground terminal 09 unless earthed at the sensor itself The maximum input frequency is approximately 10 kHz depending on the type of signal The input signal type has to be selected with the correct SETUP function read par 3 2 3 Coil signal The F127 P EL is suitable for use with flowmet...

Page 32: ...PNP PNP LP The F127 P EL is suitable for use with flowmeters which have a PNP output signal 3 2V is offered on terminal 11 which has to be switched by the sensor to terminal 10 SIGNAL For a reliable pulse detection the pulse amplitude has to go above 1 2V Signal setting PNP LP employs a low pass signal noise filter which limits the maximum input frequency read par 3 2 3 A sensor supply voltage of ...

Page 33: ... PM being supplied for sensor supply Reed switch The F127 P EL is suitable for use with flowmeters which have a reed switch To avoid pulse bounce from the reed switch it is advised to select REED LP low pass filter read par 3 2 3 NAMUR signal The F127 P EL is suitable for flowmeters with an Namur signal The standard F127 P EL is not able to power the Namur sensor as an external power supply for th...

Page 34: ...re of the outlet flow will be measured with sensor B terminal 19 Option communication printer RS232 RS485 see the manufacturer s plate Full serial communications and computer control in accordance with RS232 length of cable max 15 meters or RS485 length of cable max 1200 meters is possible Read the Modbus communication protocol and Appendix C Fig 10 Overview terminal connectors communication optio...

Page 35: ...ctions and precautionary measures in the front of this manual Safety Instructions When two or more active intrinsically safe circuits are connected to the indicator in order to prevent voltage and or current addition applicable to the external circuits precautions must be taken to separate the intrinsically safe circuits in accordance with IEC 60079 11 For the combined connection of the different ...

Page 36: ... by default Classification of the unit as group IIC is only possible under the following conditions The indicator is either supplied by the internal supply option PC or the external supply connected to terminals 0 and 1 option PD or the circuit supply connected to terminals 7 and 8 option AP The maximum values for any of those circuits are those as defined for group IIB IIIC No other active extern...

Page 37: ...al GND 01 02 PD Input voltage 8 30V DC 3 2 8 1V L L output voltage is according the input voltage internally linked with terminal 01 Terminal 02 this terminal offers the same voltage as connected to terminal 01 Terminal 11 and 14 these terminals offer a 3 2V or 8 1V to power the sensor This voltage is selected with the switch es inside the enclosure First remove the terminals after which the inter...

Page 38: ... type TA 0 4 20mA Power supply For example MTL5525 Uo Io Po max 30 V max 100 mA max 0 75 W Ci 17nF Power supply type PD 16 30V DC Analog output type AF passive floating 4 20mA e g counter e g indicator e g indicator Due to analog output type AF the unit has to be powered with battery type PC or with external power supply type PD Note above values are safety values Consult the technical specificati...

Page 39: ...allowed in IIC applications and Flowmeter input type P pulse Flowmeter input type P pulse RXD Common ground TXD 28 26 29 Temperature input type TA 0 4 20mA 0 1 2 Ci 17nF Analog output type AF passive floating 4 20mA 7 8 Modbus communication type CT TTL Please note communciation type CT is allowed in IIC applications not Configuration example IIB IIIC and IIC F127 P AF CT EL PD TA XI DTR 12V 27 e g...

Page 40: ...indicated Ex label are certified for replacement and use in hazardous areas Batteries for use in safe areas have no Ex label DO NOT EXCHANGE Using the wrong type of battery can pose a SERIOUS RISK For use in hazardous areas Fluidwell recommends FW LiBAT batteries manufactured by Fluidwell bv only Battery replacement procedure Depending on the production batch one of two visualized Intrinsically Sa...

Page 41: ...cur for example by placing dry silica gel sachet in the casing just before closing it Furthermore it is required to replace or dry the silica gel periodically as advised by the silica gel supplier Battery life time It is influenced by several issues Type of sensor read chapter 3 2 3 NPN and PNP inputs consume more energy than coil inputs Input frequency the higher the frequency the shorter the bat...

Page 42: ...osures Type HD Type HE Type HF Type HG Type HJ Type HH Type HK ABS enclosure Type HS Dimensions 130 x 120 x 75mm 5 10 x 4 72 x 2 95 LxHxD IP67 NEMA4X Drilling 2x PG9 1x M20 Drilling 2x M16 1x M20 Drilling 1x M20 Drilling 2x M20 Drilling 6x M12 Drilling 1x NPT Drilling 3x NPT Drilling 4x M20 No drilling No drilling Drilling 2x 16mm 0 63 1x 20mm 0 78 Drilling 1x 22mm 0 87 Drilling 2x 20mm 0 78 Drill...

Page 43: ...e XD XF ATEX approval ref EX II 2 GD EEx d IIB T5 Weight appr 15kg Dimensions of enclosure 350 x 250 x 200mm 13 7 x 9 9 x 7 9 LxHxD Flowmeter Type P Coil sine wave minimum 20mVpp or 80mVpp sensitivity selectable NPN PNP open collector reed switch Namur active pulse signals 8 12 and 24V Frequency Minimum 0 Hz maximum 7 kHz for total and flowrate Maximum frequency depends on signal type and internal...

Page 44: ...writing all settings Operator functions Displayed functions compensated differential total and or compensated differential flowrate compensated differential total and compensated differential accumulated total inlet temperature and compensated flowrate outlet temperature and compensated flowrate compensated differential total can be reset to zero by pressing the CLEAR key twice Total Digits 7 digi...

Page 45: ... Flowrate displays 0 zero while there is flow total is counting Check SETUP 22 25 and 41 42 are the K factor and time unit correct SETUP 26 27 The unit has to count the number of pulses according to SETUP 26 within the time according to SETUP 27 Make sure that 27 is set to 10 0 seconds for example the result is that the unit has at least 10 seconds time to measure the number of pulses according to...

Page 46: ...ctor 3 1 9 999 999 K f 0000001 K f 0000009 is allowed when decs 6 VAR37 37 25h decimals K factor 1 0 6 FLOWRATE A 48 30h unit 1 0 mL 1 L 2 m3 3 mg 4 g 5 kg 6 ton 7 gal 8 bbl 9 lb 10 cf 11 rev revolutions for RPM 12 none 49 31h time unit 1 0 sec 1 min 2 hour 3 day 50 32h decimals 1 0 3 51 33h K factor 3 1 9 999 999 K f 0000001 K f 0000009 is allowed when decs 6 VAR54 54 36h decimals K factor 1 0 6 ...

Page 47: ... display function 1 0 total 1 flowrate 49h negative flowrate 1 0 disable 1 enable POWERMANAGEMENT 80 50h LCD update time 1 0 fast 1 1sec 2 3sec 3 15sec 4 30sec 5 off 81 51h power mode battery 1 0 operational 1 shelf FLOWMETER 96 60h flowmeter signal A 1 0 npn 1 npn lp 2 reed 3 reed LP 4 pnp 5 pnp lp 6 namur 7 coil hi 8 coil lo 97 61h flowmeter signal B 1 0 npn 1 npn lp 2 reed 3 reed LP 4 pnp 5 pnp...

Page 48: ...1 0 6 226h offset 3 0 00 99 999 99 step 0 01 K Bah calibration low 4mA 1 0 default 1 calibrate 2 cal set BBh calibration high 20mA 1 0 default 1 calibrate 2 cal set B7h filter 1 0 99 ANALOG OUTPUT 112 70h analog output 1 0 disable 1 enable 116 71h minimum rate 3 0 9999999 unit time decimals acc var48 50 116 74h maximum rate 3 0 9999999 unit time decimals acc var48 50 119 77h cut off percentage 1 0...

Page 49: ... value as explained for Read total might appear here too WRITE ACC TOTAL not possible When reading or writing total or accumulated total it should be noted that the used values are given including the decimals This means that a read write to one of these variables should be accompanied with a read write to the variable that holds the number of decimals for this variable Example read var 566 for di...

Page 50: ...lving 45 Pulse signal NPN PNP 32 rate Total 8 Reed switch 33 serial number 23 SETUP level 9 subfunction 10 tagnumber 23 Technical specification 42 temperature 18 20 temperature normal 21 temperature input 34 terminal connectors 29 time date 8 total decimals 13 decimals k factor 14 15 k factor 13 14 15 measuring unit 13 14 version software 23 Voltage selection sensor 28 LIST OF FIGURES IN THIS MANU...

Page 51: ... 0000000 24 K factor 0000001 25 decimals K factor 0 26 filter 01 27 period time 1 0 sec 3 TOTAL B 31 K factor 0000001 32 decimals K factor 0 4 FLOWRATE B 41 K factor 0000001 42 decimals K factor 0 5 DISPLAY 51 function flowrate 52 measurement bi directional 53 stationary flowrate 0 L min 54 stationary total 0 L hr hr hr 6 POWER MANAGEMENT 61 LCD new 1 sec 62 mode operational 7 FLOWMETER 71 signal ...

Page 52: ...efault A FORMULA A2 thermal exp coefficient 0 000000 A3 normal temperature 288 15 K K K B ANALOG OUTPUT B1 output disabled B2 min flowrate 4 mA 0000000 B3 max flowrate 20mA 9999999 B4 cut off percentage 0 0 B5 tune min 4mA 0208 B6 tune max 20mA 6656 B7 filter 01 off C COMMUNICATION C1 baud rate 2400 C2 address 1 C3 mode BUS RTU D OTHERS D4 pass code 0000 D5 tagnumber 0000000 Fluidwell bv PO box 6 ...

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