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1. Fig Connection of Current Output DC Power Supply Integrated Current he TPBMET Es Fig Connection with Electromagnetic Counter 18 KF L KFL DC Series Electromagnetic Flowmeter Integrated Flow 112 3 415 6 1 JHI Fig Connection with Electronic Counter Low Limit Alarm O DC Power Supply Upper Limit Alarmi Fig Connection of Alarm Output 19 KF L KFL DC Series Electromagnetic Flowmeter inside outside POUT ALMH PCOM L ALCOM Fig Connection of OC Gate 7 4 4 Digital Data Output And Count Digital output is frequency output and pulse output Frequency output and pulse output use the same connection output point therefore users can only choice one of frequency output and pulse output at the same time 7 4 4 1 Frequency Output The range of frequency output is 0 5000HZ and frequency output opposes percent flux F Measure value Full scale value the range of frequency The up limit of frequency output can be adjusted It can be choice from 0 5000HZ and also can be choice low frequency such as 0 1000HZ or 0 5000HZ Frequency output mode general can be used in contr
2. Flow volume Flow unit Flow velocity Percentage Ratio of emptiness Forward and reverse total flow Shift Down minus 1 page down exit key Up plus 1 page up enter key Fig 6 Define Keys and LCD screen display Remote type Instruction Press enter key the instrument enter into the setting parameters of select function Movie the cursor under the enter key Press it and then input password when password status 00000 can be seen Move the cursor under the enter key again Press it And then input settings into selected item of operating menus Please push W key down for several seconds for returning to running status KFL KFL DC Series Electromagnetic Flowmeter 7 2 Connection Of Converter Integral Type 7 2 1 Links And Labels Of Connector In Model Fig 6 Labels of connector in Model 7 2 2 Symbols And Description Of Connectors In Model RES POUT AHMH ALML COMM IOUT IVIN TXD RXD L N FUSE Connect pull Resistance Frequency Pulse Output for Bi directional Flow Alarm Output for Upper Limit Alarm Output for Low Limit Frequency Pulse and Current Output Ground Output Current Output Current for 2 wire 24VDC Input for 2 wire output current Communication Input Signal Communication Input Signal 110VPower Supply 110VPower Supply Fuse for Power Supply 7 2 3 Output And Power Supply Cables All cables for signals transferring and power supply
3. to enter the model Displaying Turn off Time Push Up key to display next recording and Down key to display preceding recording Finally push down the key Exit to re turn to Flow Display Model 26 KF L KFL DC Series Electromagnetic Flowmeter 9 2 Erasing Turn Off Power Recording Holding down Enter key to enter the picture of instrument parameter setting and then enter Input Password model After input password 4 11 and then hold down SHIFT key and push down OK key to erase the Turn Off Power Recording 10 Recording Gross of hour Push down the enter button to enter the panel of the record of the total time and then push down the A key to show the record The increasing button is used to show the next record and the decreasing button is used to show the former record and push down the exit key to return to the Display flux mode To clear the record of the total time and then the record of the total time is eliminated 11 Infrared telecontrol function keys Optional The operation of the infrared hand remote control keyboard is the same with the operation of the instrument When use it please keep the infrared transmitter of the infrared hand remote control keyboard and the receiver of the instrument parallel with the distance of about one meter Concrete operation referring to the figure Fig 9 The communication figure o
4. 12 Vertical Flowtube Orientation 29 KF L KFL DC Series Electromagnetic Flowmeter FLOW Fig 13 Incline or Decline Orientation 13 3 Flow Direction The flowtube should be mounted so that ihe FORWARD end of the flow arrow shown on the flowtube identification tag points in the direction of flow through the tube see Figure 2 6 In this mounting configuration the conduit ports point upstream Fig 14 Flow Direction 13 4 Grounding Grounding the flowtube is one of the most important details of flowtube installation Proper grounding ensures that only the voltage induced in the magnetic field of the flowtube is measured Use Table 2 4 to determine which grounding option to follow for proper installation Attached grounding rings should be grounded equivalently to non attached grounding rings The flowtube case should always be grounded in accordance with national and local electrical 30 KF L KFL DC Series Electromagnetic Flowmeter codes Failure to do so may impair the protection provided by the equipment The most effective grounding method is direct connection to earth ground with minimal impedance Grounding of Options Type of Pipe No Grounding Options Grounding Rings Lining Protectors See Fig 16 Conductive Unlined Pipe See Fig 15 Not Required Conductive Lined Pipe Insufficient Grounding See Fig 16 See Fig 16 Non Conductive Pipe Insufficient Grounding See Fig 17
5. 5 4 5 2 2 10 3 8 2 2 6 10 6 2 14 8 5 1 54 644 410 13 578 8 024 4 2 6 79 3 t 5 4 5 24 T 40 1 3 HH ms 0 5 0 6 08 2 3 456 810 42 ft s 1 619 26 32 6 5 9 8 131619 26 32 Fig 2 Flowrate Nomograph DN1 to DN 100 3 8 to 4 Flowrate Nomographs The volume flowrate is a function of the flow velocity and the flowme ter size The Flowrate Nomographs Fig 2 and Fig 3 indicate the flowrate range for a specific flowmeter size and which flowmeter sizes are suitable for a specific flowrate Fig 3 Flowrate Nomograph DN 125 to 1000 5 to 40 Example Flowrate 7 m3 h 30 82 gpm Maximum value range end value Suitable are flowmeter sizes DN 20 to DN 65 3 4 to 2 12 for a flow velocity between 0 5 and 10 m s 1 64 and 32 81 ft s KFL 4 Model and Sufix Code Model KFL DC eee 0010 0015 Meter Size 0200 1000 Construction Electrode Material Note 1 Lining Note 1 Output Signal Earth Ring Liquid Pressure MPa Suffix Code Mei ans INS s ka pey dehaya yeka cis Dm a ne b k d a day daya Daya kn SOT E AV LAA A TE E U AD T o ko WE ees Cerradas al n dayende AA Aucas Aer D C AP occas AP occu R CSE M KFL DC Series Electromagnetic Flowmeter Description MTAA Electromagnetic Flowmeter OS Nominal Size 10 mm 3 8in e Nominal Size 15 mm 1 2in Dn Nominal Size 200 mm 8in Sees Nominal
6. take precautions to protect the liner ends Short spool pieces attached to the flowtube ends are often used for protection CAUTION Correct flange bolt tightening is crucial for proper flowtube operation and life All bolts must be tightened in the proper sequence to the specified torque limits Failure to observe these instructions could result in severe damage to the flowtube lining and possible flowtube replacement 13 1 Upstream and Downstream Piping To ensure specification accuracy over widely varying process conditions install the flowtube a minimum of five straight pipe diameters upstream and two pipe diameters downstream from the electrode plane see Fig 10 5 Pipe Diameters 2 Pipe Diameters FLOW p Fig 10 Upstream and Downstream Straight Pipe Diameters 28 KF L KFL DC Series Electromagnetic Flowmeter 13 2 Flowtube Orientation The flowtube should be installed in a position that ensures the flowtube remains full during operation Horizontal or inclined positions are preferred Fig 11 Fig 12 and Fig 13 show the proper flowtube orientation for the most common installations The following orientations ensure that the electrodes are in the optimum plane to minimize the effects of entrapped gas As illustrated in Fig 12B and Fig 13B avoid downward flows where back pressure does not ensure that the flowtube remains full at all times Fig 11 Horizontal Flowtube Orientation L FLOW FLOW Fig
7. 105 17 5 4 19 3 80 250 190 152 5 127 19 1 4 19 4 100 250 229 190 5 157 23 9 8 19 5 125 250 254 216 186 23 9 8 22 150 6 150 300 279 241 5 216 25 4 8 22 8 200 350 343 298 270 28 6 8 22 10 250 400 406 362 324 30 2 12 25 12 300 400 482 6 431 5 381 31 8 12 25 14 350 400 533 476 413 35 12 29 16 400 450 597 539 5 470 36 6 16 29 20 500 450 699 635 584 42 9 20 32 24 600 600 813 749 5 692 47 7 20 35 30 750 750 985 914 857 74 5 28 35 36 9000 900 1170 1086 1022 90 5 32 41 40 1000 1000 1289 1200 1124 90 5 36 41 1 2 15 200 95 66 5 35 14 2 4 16 3 4 20 200 117 82 5 43 15 9 4 19 1 25 200 124 89 51 17 5 4 19 1 32 200 133 98 5 64 19 4 19 1 40 200 156 114 5 73 20 7 4 22 2 50 200 165 127 92 22 3 8 19 300 2 65 200 190 149 105 25 4 8 22 3 80 250 210 168 5 127 28 6 8 22 4 100 250 254 200 157 31 8 8 22 5 125 250 279 235 186 35 8 22 6 150 300 318 270 216 36 5 12 22 8 200 350 381 330 270 41 3 12 25 10 250 400 445 387 5 324 47 7 16 29 KF L KFL DC Series Electromagnetic Flowmeter 12 300 400 520 8 451 381 50 8 16 32 14 350 400 584 2 514 5 413 53 8 20 32 16 400 450 647 8 571 5 470 57 2 20 35 20 500 450 774 8 685 8 584 63 5 24 35 1 2 15 225 95 66 5 35 14 3 4 16 3 4 20 225 117 82 5 43 15 9 4 19 1 25 225 124 89 51 17 5 4 19 1 32 225 133 98 5 64 21 4 19 600 ee 40 225 156 114 5 73 22 3 4 22 2 50 225 165 127 92 25 4 8 19 a 65 222 190 5 149 5 120 5
8. 28 6 8 22 3 80 250 210 168 127 31 8 8 22 4 100 250 273 216 157 2 38 8 25 1 2 15 225 121 82 5 35 22 4 4 22 3 4 20 225 130 89 43 25 4 4 22 1 25 225 149 101 5 51 28 5 4 25 ee ive 40 225 178 124 73 31 6 4 29 2 50 225 216 165 92 38 1 8 26 ye 65 250 244 190 5 105 38 1 8 29 3 80 250 241 190 5 127 38 1 8 26 4 100 250 292 235 157 44 5 8 32 1 2 15 225 121 82 5 35 25 4 4 22 3 4 20 225 130 89 43 25 4 4 22 1 25 225 149 101 5 51 28 5 4 25 PEK 1 40 225 178 124 73 31 8 4 29 2 50 225 216 165 92 38 1 8 25 ef 65 220 245 190 5 105 41 5 8 29 3 80 250 267 203 127 47 8 8 32 4 100 250 311 241 5 157 53 9 8 35 1 2 15 225 135 89 35 30 5 4 22 3 4 20 225 140 95 43 32 4 22 1 25 225 160 108 51 35 4 25 Seb 17 40 250 205 146 73 44 5 4 32 2 50 300 235 171 5 92 51 5 8 29 26 65 300 267 196 3 105 65 8 32 3 80 300 305 228 6 127 74 8 35 4 100 300 356 273 157 84 8 42 KFL 7 Connection And Operation Of Converter 7 1 Keys And Display Alarm indicator KFL DC Series Electromagnetic Flowmeter Flow volume Time Unit Flow velocity Percentage Ratio of emptiness Forward and reverse intergated volumes Deference of forward and reverse L Time Shift Down minusl 1 page down exit key Up plus 1 page up enter key Fig 5 Define Keys and LCD screen display Integral type 023456789 3 m 266 68 m h A vo
9. See Fig 17 Table Grounding Installation Earth Ground Fig 15 No Grounding Options or Grounding Electrode in Lined Pipe 2312 KF L KFL DC Series Electromagnetic Flowmeter Earth Ground Grounding Rings or Lining Protectors Fig 16 Grounding with Grounding Rings or Lining Protectors Earth Ground Grounding Rings or Lining Protectors Fig 17 Grounding with Grounding Rings or Lining Protectors 339s KF L KFL DC Series Electromagnetic Flowmeter 14 Troubleshooting 1 No Display a Check the power supply connection b Check the power fuse to see for OK c Check the contrast of LCD and regulate it to working state 2 Exciting Alarm a Check if the exciting cables EX1 and EX2 did not connected b Check if the total resistance of sensor s exciting coil resistances less than 1500 c If a and b are OK the converter is failed 3 Empty Pipe Alarm a If measured fluid full of testing pipe of sensor b When shorting circuit three connectors SIG 1 SIG 2 SIGGND of converter and no Empty Alarm displayed then the converter works OK In this case it is possible that conductivity of measured fluid may be small or empty threshold of empty pipe and range of empty pipe are set wrongly c Check if the signal cable is OK d Check if the electro poles are OK or not Let the flow is zero then the displayed conductivity should be less than 100 Resistan
10. Size 1000 40in untied Integral Type for General Purpose glace Integral Type for Explosion Proof CROSS Remote Type for General Purpose e n k bad Remote Type for Explosion Proof AE Stainless Steel 304 Stee Stainless Steel 316L ere rere Hastelloy DE e ers Tantalum ren WA va Titanium OS Tungsten Carbide adiasa CR erate PO eatin PTFE a hera ERN PFA KAS Local non signal output e 0 10mA erne kan he 4 20mA KE RA run Pulse AND Frequency mantener RS 232 seater RS 485 aera MODBUS palnaa a a Non Earth Ring Earth Ring 1 0 PN 1 0 2 0 2 5 16 25 Note 1 Users must consider the characteristics of selected wetted parts material and the influence of process fluids The use of inappropriate materials can result in the leakage of corrosive process fluids and cause injury to personnel and or damage to plant facilities It is also possible that the instrument itself can be damaged and that fragments from the instrument can contaminate the user s process fluids Be very careful with highly corrosive process fluids such as hydrochloric acid sulfuric acid hydrogen sulfide sodium hypochlorite and high temperature steam 150 C 302 F or above Contact KFL for detailed information of the wetted parts material ae KF L KFL DC Series Electromagnetic Flowmeter 5 Material Selection Several liner types electrode materials and electrode types are available on KFL DC Serials Electromagnetic Flowmeters to ens
11. limit of frequency output can be adjusted It can be choice from 0 5000HZ and also can be choice low frequency such as 0 1000HZ or 0 5000HZ Frequency output mode general can be used in control application because it responses the percent flux Users can choice pulse output when the equipment is applied to count 7 3 2 Pulse Output Mode Pulse output mainly applies in count mode A pulse output delegates a unit flux such as 1L or 1M3 etc Pulse output unit divide into 0 001L 0 01L 0 1L 1L 0 001M3 0 01M3 0 1M3 1 M3 0 001UKG 0 01UKG 0 1UKG 1UKG 0 001USG 0 01USG 0 1USG 1USG When users choice the pulse unit they should notice the match of the flux range of flowmeter and pulse unit For volume flux count formula as follows Q 0 0007854 x D x V L S O Qu 0 0007854 x D x Vx 102 M S Note D nozzle mm V velocity of flow m s The oversize flux and too small pulse unit will be made the pulse output over the up limit Generally pulse output should be controlled below 2000P S However the too small flux and too large pulse unit will be made the instrument exports a pulse long time 213s KF L KFL DC Series Electromagnetic Flowmeter Otherwise pulse output is different from frequency output When pulse output cumulates a pulse unit it exports a pulse Therefore pulse output is not equality Generally measure pulse output should choice count instrument but not frequent instrument 7 3 3 The Connection Of D
12. 1 Lineary CRC 1 Can be set 00 000m s 4 32 Lineary Fact 1 Set by User 1 0000 4 33 Lineary CRC 2 Set by User 00 000m s 4 34 Lineary Fact 2 Set by User 1 0000 4 35 Lineary CRC 3 Set by User 00 000m s 4 36 Lineary Fact 3 Set by User 1 0000 4 37 Lineary CRC 4 Set by User 00 000m s 4 38 Lineary Fact 4 Set by User 1 0000 4 39 Fwd Total Lo Correctable 00000 99999 5 40 Fwd Total Hi Correctable 0000 9999 5 41 Rev Total Lo Correctable 00000 99999 5 42 Rev Total Hi Correctable 0000 9999 5 43 Plsnt Lmt Ena Optional Enable Disable 3 44 Plsnt Lmt Val Set by User 0 800m s 3 45 Plsnt Delay Set by User 0400m s 3 46 Pass Word 1 Set by User 00000 99999 5 47 Pass Word 2 Set by User 00000799999 5 48 Pass Word 3 Set by User 00000 99999 5 49 Pass Word 4 Set by User 00000 99999 5 50 Analog Zero Can be set 0 0000 1 9999 5 51 Analg Range Can be set 0 0000 3 9999 5 52 Meter Fact Can be set 0 00005 9999 5 53 Meter Code 1 Set by Factory Finished Y MO 99999 6 54 Meter Code 2 Set by Factory Product Serial No 0 99999 6 Note Please check from factory for different grade password 9 Recording Time When Power Turn Off with Power Turn Off Function There is a clock for timing when power turns off and it can record 256 numbers of time When the power turns off the form of displayed date is from Year XXXX month XX Day XX to XX Month XX Day When 256 numbers have stored the time will not recorded anymore 9 1 Displaying Turn off Power Time Push down key Enter
13. 80 mh 0 to 2113 Oto 9600 mh Oto 42267 700 28 Oto 660 mh 0 to 2905 Oto 13200 mh Oto 59117 800 32 Oto 900 m h 0 to 3962 Oto 18000 m h Oto 79251 900 36 Oto 1200 mh 0 to 5283 Oto 24000 mh Oto 105668 1000 40 Oto 1350 m h 0 to 5943 Oto 27000 m h Oto 118877 Table 1 Flow Ranges and Meter Size KFL m Flowrate Nomograph D gpm l min mh 137 573 10 4 79 34 5 24 2 10 8 2 64 10 6 24 8 5 ist 6 4 13 5 3 10 44 791 3 5 24 2 10 a 8 5 AT El 26 10 6 la 2 14 8 5 15 64 1 3 5 3 1014 4 7 94 3 2 5 2 2 1 8 26 10 6 2 14 gt 5 15 6 4 13 5 3 100 4 7 94 3 2 5 24 2 10 8 26 146 21 B 5 15 6 4 13 5 3 10 4 7 94 3 2 52 2 107 8 26 104 6 21 8 5 15 6 4 13 5 3 10 4 79 342 5 24 2 10 m s gt 0 5 0 6 0 81 2 3 456 810 m ft s i it 1619 2 6 3 2 6 5 9 8 131619 26 32 KFL DC Series Electromagnetic Flowmeter gpm Imin m h Vs tt t 3 104 44 6 2 5 7 94 4 9 3 4 5 2 3 2 Tiot 8 2 26 10 6 2 14 8 5 3 1 54 644 e 13 5 3 8 1044 44 6 2 5 7 9 R 4 5 24 4 2 T40 3 8 2 26 104 6 21 8 5 A 15 6 10 1 37 5 3 8 a ee 797 3
14. As soon as turning on the converter it works in self testing way doing all testing functions and displaying test data automatically However when it works in parameters testing way parameters should be input by operators through keying three keys on its panel 03 KF L KFL DC Series Electromagnetic Flowmeter 8 1 Function Keys 8 1 1 Down Key Function In Self Testing Way Down key Selecting displayed data on lower line in turn Enter key Press it to come into the picture of select function Movie key lt movies cursor left and right 8 1 2 Down Key Function In Parameters Setting Way Down key Subtract 1from the number at cursor area Up key Add 1 to the number at cursor area Push the Movie key and movie the cursor to the down of the Up key Push the Up key and enter into the child menu Push the Movie key and movie the cursor to the down of the Down key Push the Down key and return the parent menu 8 2 Function Keys For Setting Parameters To set or correct working parameters the converter should be running in parameters setting way instead of measuring status In measuring status click Enter keys getting to the select of parameter and transfer password 0000 and then correct the password with one of the new passwords that are provided by manufacturer Finally push the Enter keys to work in Parameters Setting Way There are 6 Passw
15. KFL DC Serials Electromagnetic Flowmeters User Manual KF L KFL DC Series Electromagnetic Flowmeters 10 11 12 13 14 CONTENTS Profile sje fete ae eA eg ig De ea ee 1 Structure and Operating Principle E kk kK KK K k kk 1 Specification A a Wan W wi S aka TA aw TA KE b eee M dehand S ffiX C Od coccion 5 Material Select miii x 2 n y we s na Q r r ded va sk Van dee ua er kla ela k ea 6 DIMENSIONS ia a a os Sd He AE 6 Connection and Operation of Converter cccccee cee eee EE eee cee eee KK KK tees 9 Setting Parametros eS Recording Time When Power Turn Off with Power Turn Off Function 26 Recording Gross Of NOU a ta 27 Infrared Telecontrol Function KeyS oooccocioccocconcnncccnnconconcnnconcnncnnnnnnnannnnnannns 27 Alarm A adan ku kya kO ERA Kena n k ek A Saree k b er R N A AA ee EL RS Et ALA Ll DD k a wn ad Y ates dee K ME A Ey EA R KEK ds dn T i tDISSITDON O bio tri a reia 33 KFL 1 Profile KFL DC Series Electromagnetic Flowmeter KFL DC series electromagnetic flowmeters follow the Faraday law of electromagnetic induction They can be used to accurately measure the flow rate of liquids which are electrical conducting caustic and mixed with liquids and solids They are widely used throughout industries of petroleum chemical engineering pharmacology papermaking electric powe
16. OUT ICOM POUT PCOM ALMH ALML ACOM TRX TRX TCOM Signal 1 Signal 2 Signal Ground Shielded Exciting 1 Shielded Exciting 2 Exciting Current Exciting Current 24VDC Input for 2 wire output current Output Current Output Current for 2 wire Current Output Ground Frequency and Pulse Output Frequency and Pulse Output Ground Alarm Output for Upper Limit Alarm Output for Low Limit Alarm Output Ground Communication Input Signal Communication Input Signal Communication Input Ground 7 4 2 Connection Instruction for Converter and Terminal Box 16 KF L KFL DC Series Electromagnetic Flowmeter Connection between Terminal Box and Converter Terminal Box Port No Wire Converter Port 1 Signal 1 SIG1 2 Signal 2 SIG2 3 Com SGND 4 Field current 1 EXT 5 Field current 2 EXT 6 Reserve N A 7 4 3 Characteristic Cable for Connection 7 4 3 1 Signal Cable and Shield Current Cable When separated models of converters are assembled with sensors for measuring flow of fluid which conductivity is larger than 50uS cm PVVP 2 0 2 mm model cable metal shielded signal cable covered with PVC can be used as communication cable for flow signals and for Field Current The length of signal cable should be less than 100 m Make sure the signal wire and field current wire have the same length The converter can output equivalent level of shielded exciting signal voltage so that interference t
17. Set 1 Language Optional Chinese or English 2 2 CommAddres Can be set 0 99 2 3 Baud Rate Optional 300 19200 2 4 Snsr Size Optional 3 3000 2 5 Flow Unit Optional m h L h L m L s m m m s 2 6 Flow Range Can be set 0 99999 2 7 Flow Rspns Optional 1 50 2 8 Flow Direct Optional Forward or Reverse 2 9 Flow Zero Can be set 0 9999 2 10 Flow Cutoff Can be set 0 599 99 2 11 Cutoff Ena Optional Enable Disable 2 12 Total Unit Optional 0 001m3 1m3 0 001L 1L 2 13 SegmaN Ena Optional Enable Disable 2 14 Analog Type Optional 0 10mA 4 20mA 2 15 Pulse Type Optional Frequency Pulse 2 16 Pulse Fact Optional 0 001m3 1m3 0 001L 1L 2 17 Freque Max Optional 1 5999 HZ 2 18 Mtsnsr Ena Optional Enable Disable 2 19 Mtsnsr Trip Can be set 599 99 2 20 Alm Hi Ena Optional Enable Disable 2 21 Alm Hi Val Can be set 000 0 599 99 2 22 Alm Lo Ena Optional Enable Disable 2 23 Alm Lo Val Can be set 000 0 599 99 2 24 Sys Alm Ena Optional Disable Enable 2 25 Clr Sum Key Can be set 00000 3 26 Snsr Code 1 Set by User Finished Y MO 99999 4 27 Snsr Code 2 Set by User Product Serial No 0 99999 4 Se KFL KFL DC Series Electromagnetic Flowmeter 28 Field Type Optional Type 1 2 3 4 29 Sensor Fact Can be set 0 0000 5 9999 4 30 Line Crc Ena Optional Enable Disable 2 3
18. ces of SIG1 to SIGGND and SIG2 to SIGGND are all less than 50kO conductivity of water during measurement operation It is better to test the resistances by means of multimeter with pointer to see the charging process well e The DC voltage should be less than 1V between DS1 and DS2 testing the voltage by means of multimeter If DC voltage is larger than 1V the electro poles of sensor were polluted that have to be cleaned 4 Incorrect Measurement Of Flow a Check if the fluid full of testing pipe b Check if the signal cable connection is right c Check if the sensor coefficient and zero settings are no deferent from the data on the labels of product that are calibrated by manufacturer 233
19. f the infrared hand remote control keyboard and the instrument 12 Alarm Information Printed Circuit Board in converters is welded by means of surface welding techniques Users are not able to repair converters by themselves Therefore the cases of converters can not be opened FQH Upper Limit Alarm FQL Low Limit Alarm FGP Empty Pipe Alarm SYS Exciting Alarm 13 Installation This section covers the steps required to physically install the flowtube Instructions and procedures in this section may require special precautions to ensure the safety of the personnel performing the operations Please refer to the following safety messages before performing any operation in this section 07 KF L KFL DC Series Electromagnetic Flowmeter Failure to follow these installation guidelines could result in death or serious injury Installation and servicing instructions are for use by qualified personnel only Performing any servicing other than that contained in this manual may result in death or serious injury Do not perform any servicing other than that contained in the operating instructions unless qualified The flowtube liner is vulnerable to handling damage Never place anything through the flowtube for the purpose of lifting or gaining leverage Liner damage can render the flowtube useless To avoid possible damage to the flowtube liner ends do not use metallic or spiral wound gaskets If frequent removal is anticipated
20. have to be prepared users However it should be careful to choose the cables that meet the upper limit load of consuming current Pulse current output alarm current output and external power supply can be seen in Fig 7 When inductive load is connected to converter diode should be used as in Fig 7 10 KF L KFL DC Series Electromagnetic Flowmeter Meter for reverse current Fig 7 a Connection of Current Output Forward integrated DC Power supply flow Reverse integrated flow Fig 7 b Connection of Electro Magnet Counter Mas KF L KFL DC Series Electromagnetic Flowmeter Forward integrate flow P2 lt Reverse integrated flow Fig 7 c Connection of Electronic Counter Low limit alarm Upper limit alarm cerrar raros lola loto n Fig 7 d Connection of Alarm Output 12 KF L KFL DC Series Electromagnetic Flowmeter Inner _ Outer PUL A ALM A PCO M ALCO M Fig 7 e Connection of OC Gate 7 3 Digital Data Output And Count Digital output is frequency output and pulse output Frequency output and pulse output use the same connection output point therefore users can only choice one of frequency output and pulse output at the same time 7 3 1 Frequency Output The range of frequency output is 0 5000HZ and frequency output opposes percent flux F Measure value Full scale value the range of frequency The up
21. igital Output Digital output has three connected points digital output connected point digital ground point and symbol as follows POUT digital output point PCOM digital ground point POUT is collector cut off circuit output Connect the line diagram as follows 7 3 4 Digital Voltage Connect Mode I i RES i i i i POUT PCOM Converter A i f Connection i User Fig 8 a Digital connect voltage mode 7 3 5 Digital Current Connect Mode RES 9 l pout Y pcom Converter User Connection Fig 8 b Digital current connect mode 7 3 6 DS Switch Connect Mode RES 2 RO ser equi ment POUT l PCOM Converter i Connection i User Fig 8 c DS switch connect mode 14 KFL KFL DC Series Electromagnetic Flowmeter DS output parameter table Parameter Testing condition Minimum maximal Working voltage IC 100 mA 3 24 36 V Working current Vol1 4V 0 300 350 mA IC 100mA Working frequency 0 5000 7500 HZ Vec 24V High voltage lC 100mA VCC Vcc Vcc V Low voltage lC 100mA 0 9 1 0 1 4 V Table POUT Parameter 7 4 Connection of Converter Remote Type 7 4 1 Links and Labels of Converter in Model AAA TCOMIOUT EXT ICCM a I ml lt lt oo oo act Fig 9 Port of Converter 15 KFL KFL DC Series Electromagnetic Flowmeter Instruction of Converter Port SIG1 SIG2 SGND DS1 DS2 EXT EXT VDIN I
22. le value the scale of current the zero point of current The current zero is 0 when 0 10mA and the current zero is 4mA when 4 20mA It can be advanced simulation signal output distinguish User can select the range of measure The manufacture s parameter have been adjusted it can t need adjust ODA KF L KFL DC Series Electromagnetic Flowmeter 7 5 2 Simulation Signal Output Adjust 1 The Converter adjust preparative When the converter is running 15 minutes the inner of converter becomes stabilization Preparative 0 1 amperemeter or 2500 0 1 voltage instrument IOUT Converter ICOM 2 Current zero correct When the converter getting into parameter setting selecting to Current zero correct and enter to it The standard of signal fountain getting to 0 Adjust parameter make amperemeter is 4mA 0 004mA 3 The full scale current correct To select current correct to enter Adjust the converter parameter make amperemeter is 20mA 0 004mA Adjust the current zero and the full range the current function of the converter reached exactness The line degree of current output of conversion should be controlled within the scope of 0 1 4 Current line degree checking You can place the standard signal source in 75 50 25 and check the line degree of current output 8 Setting Parameters Same for Integral Type and Remote Type Converters can be operated in two ways 1 Self testing way 2 Parameters setting way
23. nt POUT is collector cut off circuit output Connect the line diagram as follows 7 4 4 3 1 The Connection of Digital Voltage Output POUT User equipment Voltage input Inside Fcom i Fig Connection of Digital Voltage Output 7 4 4 3 2 Digital output connect photoelectricity coupling PLC etc POUT inside equipment Fig Digital output connect photoelectricity coupling Commonly user s photoelectricity coupling current is about 10mA so about E R 10mA E 5 24V Loe KF L KFL DC Series Electromagnetic Flowmeter 7 4 4 3 3 Digital Output Connect Relay Fig Digital Output Connect Relay Commonly relay needs E as 12V or 24V D is extend diode now most middle relays has this diode inside If not have user can connect one outside Table of digital output parameter DS output parameter table Test condition Typical Volatge IC 100 mA 3 24 36 V Current Vols1 4V 0 300 350 mA IC 100MA Frequency 0 5000 7500 HZ Vcc 24V High voltage IC 100mA Vcc Vcc Vcc Low voltage IC 100mMA 0 9 1 0 1 4 7 5 Simulated Data Output And Count Same for Integral Type and Remote Type 7 5 1 Simulation Signal Output Simulation signal output can be separated two signals 0 10mA 4 20mA User can select one when parameter setting Simulation signal output inner is 24V under0 20mA it can drive 7500 resistance The percent flux of simulation signal output lo Measure value Full sca
24. o flow measurement signals can reduced by means of lowering the distributed capacitance of communication cable When measured conductivity is less than 504S cm or signals are transferred in remote distances double conductor and double shielded signal cable at equivalent level of voltage can be used For example special STT3200 cable or BTS model signal cable triple shielded can be used for signal communication When the model STT3200 cables are used for exciting current and signals two cables can be put together as one cable 7 4 3 2 Output and power line All cables for signals transferring and power supply has to be prepared by users However it should be careful to choose the cables that meet the upper limit load of consuming current Note When DIP switch next to terminal is set to ON places the converter from its inside can provide 28Vpower supply and up pull 10k 2 resistance to output Frequencies PUL PUL to isolated OC gate Alarm Output ALM ALM and Status Control INSW Therefore when converter has frequency output and works with sensor together DIP switch can be set as ON getting frequency signals from PUL and PCOM terminals 17 KF L KFL DC Series Electromagnetic Flowmeter The Meter Current O TT O TUT TT TUT ot o 90 000 O o O O O O OHO J VDIN Jo O GO
25. of rate Q lt 0 05 Rangemax 0 00025 Rangemax amp gt _ O Q lt qa N Q1 9 N OO o o 100 Range max Fig 2 Analog Output Effects KF L KFL DC Series Electromagnetic Flowmeter m Flow Ranges and Meter Sizes Min Flow Range Max Flow Range Meter Size Flow Velocity Flow Velocity DN 0 to 0 5 m s 0 to 1 64 ft s 0 to 10 m s 0 to 32 81 ft s KUVE E ET A CN EN 0 to l min 0 to 0 52 0 to 40 I min 0 to 11 88 15 1 2 Oto 5 Imin 0 to 1 32 Oto 100 Imin Oto 26 41 20 3 4 Oto 7 5 Imin 0 to 1 98 Oto 150 Imin Oto 39 62 25 1 Oto 10 l min 0 to 2 64 0 to 200 l min 0 to 52 83 32 11 4 Oto 20 I min 0 to 5 28 Oto 400 Imin Oto 105 66 40 11 2 Oto 30 l min Oto 7 92 Oto 600 Imin Oto 158 50 50 2 Oto 3 myvh 0 to 13 Oto 60 min 0 to 264 65 2 1 2 Oto 6 m h 0 to 26 Oto 120 mh 0 to 528 80 3 Oto 9 m h 0 to 39 Oto 180 mh 0 to 792 100 4 Oto 12 mh 0 to 52 Oto 240 mh 0 to 1056 125 5 Oto 21 m n Oto 92 Oto 420 mh 0 to 1849 150 6 Oto 30 mh 0 to 132 0to 600 mh 0 to 2641 200 8 Oto 54 m h 0 to 237 Oto 1080 mh Oto 4755 250 10 Oto 90 m h 0 to 396 Oto 1800 mh Oto 7925 300 12 Oto 120 mh 0 to 528 Oto 2400 mvh Oto 10566 350 14 Oto 165 mh 0 to 726 Oto 3300 mh Oto 14529 400 16 Oto 225 mh 0 to 990 Oto 4500 mh Oto 19812 450 18 Oto 300 mh 0 to 1320 Oto 6000 mh Oto 26417 500 20 Oto 330 m h 0 to 1452 Oto 6600 m h Oto 29058 600 24 Oto 4
26. ol application because it responses the percent flux Users can choice pulse output when the equipment is applied to count 7 4 4 2 Pulse Output Mode Pulse output mainly applies in count mode A pulse output delegates a unit flux such as 1L or 1M3 etc Pulse output unit divide into 0 001L 0 01L 0 1L 1L 0 001M3 0 01M3 0 1M3 1 M3 0 001UKG 0 01UKG 0 1UKG 1UKG 0 001USG 0 01USG 0 1USG 1USG When users choice the pulse unit they should notice the match of the flux range of flowmeter and pulse unit For volume flux count formula as follows Q 0 0007854 x D x V L S O Qu 0 0007854 x D x Vx 10 M S Note D nozzle mm 20 KF L KFL DC Series Electromagnetic Flowmeter V velocity of flow m s The oversize flux and too small pulse unit will be made the pulse output over the up limit Generally pulse output should be controlled below 2000P S However the too small flux and too large pulse unit will be made the instrument exports a pulse long time Otherwise pulse output is different from frequency output When pulse output cumulates a pulse unit it exports a pulse Therefore pulse output is not equality Generally measure pulse output should choice count instrument but not frequent instrument 7 4 4 3 The Connection Of Digital Output Digital output has three connected points digital output connected point digital ground point and symbol as follows POUT digital output point PCOM digital ground poi
27. ords in design and among them 4 for deferent operators in secret and 2 are fixed passwords for system operation 8 2 1 The Picture Of Select Function Press Enter key getting to the select of function picture And Press it to select There are 4 functions to selection Parameter code Function content Explain Select this function lt can be enter the picture of 1 Parameter code parameter Select this functionlt can be gross reset 2 Gross reset operation Record Sensor Fact 3 It will record sensor fact history by changed Alteration 8 2 1 1 Parameters Setting Press Enter key it displays Parameters Setting function Input password Press move key Move cursor on the Enter key Press it getting to Parameters Setting status 8 2 1 2 Gross Reset Press Enter key and it displays Parameters Setting function Press Enter key again Turn over page to Gross reset Input password of gross reset 00002 Press Enter key again when 24 KFL 00002 change to 00000 The reset function finished 8 2 2 Parameters Setting Menu There are 50 parameters for KFL DC Series converter operation All parameters can be set by KFL DC Series Electromagnetic Flowmeter users according to the users needs when the converters are running The List of Parameters is shown below Setting Parameters in Menu Setting Way Limits of Parameters N Parameters and Words O to be
28. ow velocity q z v The equation for the volume flow shows that q Volume flowrate 2 E dv the signal voltage UE is linear and proportional to the volume flowrate The induced signal voltage is processed in the converter into scaled analog and digital signals Fig 1 Electromagnetic Flowmeter Schematic KFL 3 Specifications Nominal Meter Size 10 to 1000mm 3 8 to 40 inch Liquid Pressure MPa 1 0 1 6 2 5 4 0 16 25 Accuracy 0 5 Minimum Conductivity gt 5yus cm Electrode Material SS316L standard Hastelloy Tantalun titanium Tungsten Carbide upon req Fluid Temperature 25 to 65 C 13 to 149 F 25 to 140 C 13 to 284 F opt Liner PO PTFE PFA Relative Humidity lt 85 Ambient Temperature 30 to 60 C 22 to 140 F Analog Output Effects KFL DC Series Electromagnetic Flowmeter m Current Output 0 to 10mA or 4 to 20mA Frequency Output 0 to 5000Hz with photoelectric isolation Pulse Output Adjustable from 0 001 to 1000 Ltr Pulse u Alarm Output Upper Alarm ALMH Lower Alarm ALML with photoelectric isolation Upper Alarm ALMH Lower Alarm ALML with photoelectric isolation m Communications RS 232 without galvanic isolation RS 485 with galvanic isolation MODBUS Supply Power 85 to 250VAC 45 to 63Hz or 16 to 36VDC u Power S lt 10W AC S lt 7 5W DC Same as pulse output plus 0 1 of rate 0 01mA Pulse Output Q gt 0 05 Rangemax 0 5
29. r environmental protection and so forth Features No Moving Parts Virtually No Pressure Loss Corrosion protection abrasion resistant High accuracy Stable performance High level of anti vibration and anti jamming wide measuring dimensions Multi Output Interface 4 20mA Pulse Alarm Outputs RS 485 and Modbus Communication 2 Structure and Operation Principle 2 1 Structure KFL DC series electromagnetic flowmeters are made up of sensor and transducer together with LCD screen current and pulse output alarm signal and RS 485 communication 2 2 Operating Principle Faraday s Laws of Induction form the basis for the electromagnetic flowmeters It states that a voltage is induced in a conductor as it moves through a magnetic field This principle is applied to a conductive fluid which flows through a magnetic field generated perpendicular to the flow direction see Schematic The voltage induced in the fluid is measured at two electrodes installed diametrically opposed This signal voltage Ug is proportional to the magnetic induction B the electrode spacing D and the average flow velocity v Noting that the magnetic induction B and the electrode spacing D are constants Magnet Coil 4 Meter Tube in Electrode Plane ak A y z Ue Signal voltage a proportionality exists between the signal B Magnetic induction Us B D v voltage UE and the average flow velocity v a FEA Dx i v Average fl
30. ure compatibility with virtually any application See Table 2 for information on liner types Table 3 for information on electrode materials Lining Material General Characteristics Electrode Material General Characteristics PFA 316L Stainless Steel i i Highly chemical resistant Good corrosion resistance y Good abrasion resistance Excellent high temperature Not recommended for sulfuric capabilities i RIRE j or hydrochloric acids i econ cate tau Hastelloy Better corrosion resistance Excellent high temperature High strength capabilities Good in slurry applications Table 2 Lining Material N Aine Effective in oxidizing fluids Tantalum Better chemical resistance Not recommended for fluosilic acid hydrofluoric acid or sodium hydroxide Titanium Better chemical resistance Better abrasion resistance Good for sea water applications Not recommended for hydrofluoric or sulfuric acid Table 3 Electrode Material 6 Dimensions Fig 4 Dimensions 6 KF L KFL DC Series Electromagnetic Flowmeter Meter Size pee ee Main Extemal and Connecting Dimensions mm ating zz ENCARAR REA 1 2 60 5 11 2 4 16 3 4 20 200 98 70 43 11 2 4 16 1 25 200 108 79 5 51 11 2 4 16 j 32 200 117 89 64 13 4 15 17 40 200 127 98 5 73 14 3 4 16 2 50 200 152 120 5 92 15 9 4 19 21 a 65 200 178 139 5

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