H2flow FaraMag FM750 Operating Manual Download

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IMPORTANT NOTE:

For the most up-to-date version of this manual, please visit www.h2fl ow.net/product-literature

English

Rev.1.1

06/2021

Operating Manual (EN)

www.h2fl ow.net

FaraMag™ FM750

Mag Meter

Summary of Contents for FaraMag FM750

Page 1: ...1 IMPORTANT NOTE For the most up to date version of this manual please visit www h2flow net product literature English Rev 1 1 06 2021 Operating Manual EN www h2flow net FaraMag FM750 Mag Meter ...

Page 2: ...y Function and Remote Control Function Compact Type 28 8 2 Key Function and Remote Control Function Remote Type 29 8 3 Function Selection Screen and Parameter Setting Operation 31 9 Product Performance and Indicators 32 9 1 Basic Functions 32 9 2 Special Functions 32 9 3 Normal Working Conditions 32 9 4 Connection Method with Sensor 32 9 5 Sensor Matching Requirements 32 9 6 Installation Dimension...

Page 3: ...ll FaraMag FM750 electromagnetic flow meters are factory tested and calibrated A calibration certificate is included in the shipment of each meter WARNING PLEASE BE AWARE THAN AN INDUCTION FLOW METER IS AN ELECTRONIC DEVICE THE FOLLOWING STEPS SHOULD BE PERFORMED BY A QUALIFIED ELECTRICIAN 1 general information This manual will assist you in installing using and maintaining your flow meter It is y...

Page 4: ... cable It is recommended that larger size units are lifted using lifting lugs Very large meter sizes are packed and crated with the meter laying on its side for shipping safety and stability reasons In order to lift the meter in a vertical position it is recommended that a sling rigged method is used as shown below If using a forklift do not lift the detector from its body between the flanges The ...

Page 5: ...rom 0 0001 to 1 0 M3 P The width of pulse can be set to 20ms or squired wave form automatically The collector of transistor with photoelectric is open circuited The external voltage must be lower than 35V and maximum output current is 250mA when the transistor is turned on Accuracy 0 5 of the value displayed Damping Time Constant Continuous variable from 0 100 s 90 can be selected by group Communi...

Page 6: ...AVAILABLE UPON REQUEST Flow rate Unit m3 h Min Max 0 0064 9 5426 0 0113 16 9646 0 0177 26 5072 0 4520 67 8584 0 0707 106 0288 0 1195 179 1886 0 1810 271 4336 0 2827 424 1150 0 6362 954 2588 1 1310 1696 4600 1 7671 2650 7188 2 5447 3817 0351 3 4636 5195 4089 4 5239 6785 8401 5 7256 8588 3289 7 0686 10602 8752 10 1788 15268 1403 13 8544 20781 6354 18 0956 27143 3605 22 9022 34353 3157 28 2743 42411 ...

Page 7: ...oy C 4 Ti Titanium 5 Platinum iridium 6 Ta 7 Stainless Steel Tungsten Carbide Housing Protection 1 NEMA 4 IP65 2 NEMA 6P IP68 NEMA 4 IP65 Sensor NEMA 6P IP68 Converter NEMA 4 IP65 Mounting Accessories 0 None 1 Grounding Ring 2 Mounting Flange 3 Scraper Electrode Structure ER Remote Type EC Compact Type Standard cable length is 10 meters for remote type Cable length is customizable Power Supply 1 1...

Page 8: ...ig 5 2 Avoiding Air Bubbles Correct Incorrect Correct Incorrect Valve If the electrodes are vertical to the ground air bubbles near the top or precipitates at the bottom may cause measurement error Ensure that the terminal box is mounted above the piping to prevent water from entering them Fig 5 3 Mounting Orientation Correct Incorrect Water can seep into the terminal box Air Bubbles Electrodes El...

Page 9: ...ght Runs For optimum accuracy and performance it is required that sufficient inlet and outlet straight pipe runs are provided An equivalent to 3 diameters of straight pipe is required on the inlet side and 2 diameters on the outlet side There are no special requirements for standard concentric pipe reducers See Fig 5 4 for required straight runs when there is an altering device Fig 5 4 Required St...

Page 10: ...ch the user cannot or should not make use of the traditional grounding connection to adjacent piping and to earth ground These flow measurement applications are frequently encountered in electrolytic processes In this case the fluid passing through the mag meter flow tube may potentially be at significantly higher or lower than earth ground and a connection to earth ground may be detrimental to th...

Page 11: ...14 25 200 360 220 115 85 68 4 x 14 32 200 370 235 140 100 78 4 x 18 40 200 370 235 150 110 88 4 x 18 50 200 358 242 165 125 102 4 x 18 65 250 400 256 185 145 122 4 x 18 80 250 415 275 200 160 138 8 x 18 100 250 435 295 220 180 158 8 x 18 125 250 465 325 250 210 188 8 x 18 150 300 497 355 285 240 212 8 x 22 200 350 550 410 340 295 268 12 x 22 250 450 610 488 405 355 320 12 x 22 300 500 660 520 460 ...

Page 12: ...00 497 355 280 240 215 8 x 23 200 350 550 410 330 290 265 12 x 23 250 450 610 488 400 355 325 12 x 25 300 500 660 520 415 400 370 16 x 25 Flange ANSI 150 Diameter inches L H H1 D D1 D2 n x d 0 5 160 360 220 90 60 40 4 x 15 0 75 165 360 220 98 70 43 4 x 15 1 200 360 220 108 79 5 51 4 x 15 1 5 200 370 235 127 98 5 73 4 x 15 2 200 385 242 152 120 5 92 4 x 19 2 5 250 400 256 178 139 5 105 4 x 19 3 250...

Page 13: ...Output Ground DOUT Alarm Output Positive POUT Pulse Frequency Output negative POUT Pulse Frequency Output positive 4 20mA 4 20mA positive 4 20mA 4 20mA negative RS485 Communication input RS485A RS485 Communication input RS485B N 220VAC 24VDC negative power input L 220VAC 24VDC positive power input NOTE May be supplied as either 220VAC or 24VDC depending on customer order ...

Page 14: ...Cable Characteristics and Connection Requirements 6 3 1 Flow Signal Wire This converter provides equipotential excitation shielding signal output voltage to reduce the influence of the distributed capacitance of the cable transmission on the current signal measurement When the measured conductivity is less than µ or long distance transmission dual core dual shielded signal cables with equipotentia...

Page 15: ... flange as shown in Fig 6 3 NOTE Stainless Steel materials are required to fix the ground screw spring washer and flat washer Converter Ground ring Gasket Ripe fl ange Sensor fl ange Sensor fl ange Ripe fl ange Sensor Ground ring Gasket Screw Screw nut Spring washers Flat washers 4mm ground wire Welding point ground charcoal 1500mm Fig 6 3 Converter grounding diagram 6 4 Output and Power Cord All ...

Page 16: ...unter Compact Type Converter Terminal PO PO DC Power Flow Cumulant Fig 6 4 2c Power Supply connected to electronic counter Remote Type Converter Terminal F P F P DC Power Flow Cumulant Converter Terminal PO Flow Cumulant Fig 6 4 2b Inner Power Supply connected to electric counter Compact Type PO ...

Page 17: ...inal Upper Lower Limit Alarm DC Power Fig 6 4 3 Alarm output wiring 6 4 4 Connection of OC Gate Fig 6 4 4 Connection of OC Gate Compact Type PO Meter Inside Meter Outside PO DO DO Fig 6 4 4 Connection of OC Gate Remote Type F P Meter Inside Meter Outside F P DOA DOA ...

Page 18: ...s the converter will output pulses and currents according to the flow value and the terminals DO and DO output high levels When the reverse output allowable parameter is set to Allow if the fluid flows in the reverse direction the converter flow rate is displayed normally the output pulse is 0 the current output is signal 0 4mA the instantaneous flow rate is displayed as 0 and the terminal DO and ...

Page 19: ...rter will suppress the peak pseudo signal in accordance with the set value to minimize the flow fluctuation The parameter peak suppression permission has two functions 1 the parameter is set to allow to start the peak suppression function 2 the parameter is set to Not allowed Turn off the peak suppression function and turn on the noise sensitivity test 7 1 8 Peak Suppression Range This parameter h...

Page 20: ...n abnormal condition the converter will display an ABN abnormal alarm for abnormalities within a period of time The flow rate is suppressed to prevent the flow rate from returning to zero and suppress flow fluctuations to a minimum This parameter is used for the length of abnormal suppression time which can be selected from 0 to 99s When 0s is selected this function will be canceled 7 1 10 Flow Di...

Page 21: ...ith signal resection allow 7 1 13 Fluid Density The unit of this parameter is automatically selected When the mass units kg s kg m kg h t s t m or t h is selected in Flow Unit this parameter is an available feature The density unit is automatically set to kg L when the flow unit is set to kg s kg m or kg h The density unit is automatically set to t m when the flow unit is set to t s t m or t h 7 1...

Page 22: ... output high levels When the upper limit alarm allowable parameter is set to allow output if the fluid flow reaches the upper limit alarm value the converter displays the upper limit alarm HIG and the terminals DO and DO output low level 7 2 2 Upper Limit Alarm Value The upper limit alarm value is calculated based on the flow rate This parameter adopts a numerical setting method User sets an appro...

Page 23: ...eshold In the case of fluid filled pipe with or without flow rate the upper line of the empty pipe alarm threshold parameter displays the measured conductivity and the lower line sets the empty pipe alarm threshold When setting the empty pipe alarm threshold it can be carried out according to the measured conductivity Set it to 3 to 5 times the measured conductivity 7 2 7 Empty Pipe Zero Point Cor...

Page 24: ...ow range frequency range frequency lower limit Pulse output mode The pulse output is a rectangular wave pulse train Each pulse represents a flow equivalent in the pipeline The pulse equivalent is set by the following two parameters Pulse Equivalent Unit and Pulse Equivalent The pulse output method is mostly used for total accumulation and is generally connected with an accumulation meter There are...

Page 25: ...ge of the meter corresponds to the upper limit of flow measurement 7 3 7 Current Output Mode Currently user can only select 4 20mA current output 7 3 8 Current Zero Correction Before leaving the factory the converter current output zero adjustment makes the current output accurate as 4mA 7 3 9 Current Full Scale Correction Before leaving the factory the converter current output full scale adjustme...

Page 26: ...y Large diameter sensor excitation system has large inductance users can only choose low excitation frequency During use process first select the low excitation frequency If the zero point of the flow velocity of the meter is too high then select the low excitation frequency in turn NOTE The meter must be capable of operating in the excitation frequency setting to which the unit has been calibrate...

Page 27: ...bit no parity mode two stop bits 8 bit odd parity and two stop bits 8 bit odd parity 7 6 Parameter Modification Tag 7 6 1 User Password 1 4 Using the level 5 password allows the user to modify the passwords for all levels Please contact your local representative or H2flow Controls in order to obtain this password 7 6 2 Instrument Codes 1 and 2 The converter code records the time and serial number ...

Page 28: ... 8 1 1 Key Function in Automatic Measurement State Down button Cyclically select the content displayed on the bottom of the screen Right button Press the right button once the instrument will enter the password screen and enter the parameter setting state after typing the password 8 1 2 Function of Each Button in Parameter Setting State Down button subtract 1 from the number at the cursor advance ...

Page 29: ...ement state In the parameter setting state user uses the panel keys to complete the instrument parameter setting 8 2 Key Function and Remote Control Function Remote Type 8 2 1 Key Function in Automatic Measurement State Down button Cyclically select the content displayed on the bottom of the screen Right button Press the right button once the instrument will enter the password screen and enter the...

Page 30: ...s menu when set the parameter Return key return to the previous menu when set the parameter Left key Measurement state contrast dim parameter setting state cursor left shift Right key Measurement state contrast gradually bright parameter setting state cursor right shift Add Key measure state loop display screen downlink content parameter setting state cursor number plus 1 back page Minus Key param...

Page 31: ...ursor under the enter key press the enter key once to enter the main menu for parameter setting 8 2 2 Total Reset Press the right shift button The meter enters the state of entering the password 00000 after typing the corresponding password move the cursor under the enter button press the enter button The function selection screen parameter setting appears and then press the up button or down butt...

Page 32: ... distance non contact operation of all functions of the converter 9 3 Normal Working Conditions Ambient Temperature Split Type 14 140 F 10 60 C Humidity 5 90 Power Supply Single Phase AC85 250VAC 45 63Hz Power Dissipation less than 20W after connecting the sensor 9 4 Connection Method with Sensor Integrated round case round case the case is directly connected to the sensor flange 9 5 Sensor Matchi...

Page 33: ...mm 6 46 78mm 3 07 24mm 0 94 125mm 4 92 30mm 1 18 45mm 1 77 45mm 1 77 44mm 0 15 71mm 2 80 27mm 1 06 105mm 4 13 ф 80mm 3 15 x4 ф 5mm 0 12 Figure 9 6b FM750 Square Integrated Shell Dimensions Figure 9 6a FM750 Compact Type Shell Dimensions ф 116mm 4 57 ф 80mm 3 15 ф 64mm 2 52 x8 ф 7mm 0 28 200mm 7 87 ...

Page 34: ...55 GPM 0 3 m s 0 25 FS 4 755 15 850 GPM 0 3 1 m s 0 5 R 15 850 237 754 GPM 1 15 m s 0 3 R 28 120 DN700 DN3000 4 755 GPM 0 3 m s 0 25 FS 4 755 15 850 GPM 0 3 1 m s 1 0 R 15 850 237 754 GPM 1 15 m s 0 5 R FS Relative Range R Relative Measurement Figure 9 6c FM750 Square Split Type Shell Dimensions 164mm 6 46 34mm 1 34 102mm 4 0 78mm 3 07 214mm 8 43 70mm 2 76 x3 ф 7mm 0 28 234mm 9 213 252mm 9 92 44mm...

Page 35: ...t withstandable voltage 36VDC Maximum load current 250mA 9 11 Alarm Output Alarm output contact DO The common output point of an upper limit alarm and a lower limit alarm when there is an alarm and the output is allowed the low level is an output between DO and DO and high level when there is no alarm or allowed Output electrical isolation photoelectric isolation Isolation voltage 1000VDC Alarm ou...

Page 36: ...the wiring Therefore the use cannot select the frequency output and the pulse output at the same time but can only choose one of them 9 14 1 Frequency Output The range of frequency output is 0 5000Hz and the frequency output corresponds to the percentage of flow F The frequency output range is adjustable Users can choose from 0 5000Hz or a lower frequency 200 1000Hz etc The frequency output mode i...

Page 37: ...umulating one pulse equivalent Therefore the pulse output is not very uniform Generally counter instruments should be used to measure pulse output not frequency meters 9 14 3 Digital Output Wiring The digital output has two contacts digital output contact and digital ground contact The symbols are as follows PO Digital Output Contacts PO Digital Ground Wire Contacts The digital output is an open c...

Page 38: ...log output refers to the 4 20mA signal system The analog current output is internallyo supplied with 24V and can drive a load resistance of 750Ω The analog quantity current output corresponds to the percentage of the flow i e IO Measured Value Full Scale Value Current Range Current Zero Point For the 4 20mA signal system the current zero point is 4mA Therefore in order to improve the resolution of...

Page 39: ...rection coefficient so that the ammeter indicates exactly 20mA 0 004mA After adjusting the 0 point and full scale value of the current the current function of the converter can ensure accuracy The current output linearity of the converter is within 0 1 4 Current Linearity Check Set the standard signal source to 75 50 25 and check the linearity of the output current After the FM750 electromagnetic ...

Page 40: ... Pipe is not fully filled Check if meter is fully filled Flow rate indication is unstable 1 Grounding issue 1 Make sure the meter is properly grounded to earth 2 Please use a Ground Ring when the pipe is not conductive such as with PVC or other types of plastic pipe 2 Air Make sure fluid does not contain air bubbles 3 Converter location outside electrical interference Make sure the converter is no...

Page 41: ...4 velocity correction numbers The fifth velocity correction point is also the fifth velocity correction number Their corresponding relationship is Velocity correction point 1 Velocity correction number 1 Velocity correction point 2 Velocity correction number 2 Velocity correction point 3 Velocity correction number 3 Velocity correction point 4 Velocity correction number 4 Linear correction end poi...

Page 42: ...er setting using partial correction points Point Number Actual Velocity Correction Point Expect Velocity at this Point Correction Value Action Range 1 0 100m s 0 110m s Zero velocity 0 100m s 2 0 150m s 0 160m s 0 100m s 0 150m s 3 0 161m s 0 161m s No correction 4 0 162m s 0 162m s No correction End 0 163m s No correction NOTE When using non linear correction users need to set all correction poin...

Page 43: ... Factor Pulse Width Frequency Range Analog Output Analog Zero CRC Analog Range CRC Analog Out Test Sensor Size Excit Frequency Sensor Factor Lineary Correct Velocity Point 1 Velocity Value 1 Velocity Point 2 Velocity Value 2 Velocity Point 3 Velocity Value 3 Velocity Point 4 Velocity Value 4 Velocity Point 5 Sensor Code 1 Sensor Code 2 Communication Mode Communication Address Baud Rate Check Mode ...

Page 44: ...ctor Set Count 0 0000 5 9999 5 16 Clear Total Key User Set 0 99999 2 II Alarm Setup Select 1 High Alarm Enab Select Enable Disable Enable Output 2 2 High Alarm Value Set Count According to Flow 2 3 Low Alarm Enable Select Enable Disable Enable Output 2 4 Low Alarm Value Set Count According to Flow 2 5 System Alarm Ena Select Enable Disable Enable Output 2 6 Sensor Measure Ena Select Enable Disable...

Page 45: ...elcoity Value 4 User Set According to Flow 4 13 Velocity Point 5 User Set According to Flow 4 14 Sensor Code 1 User Set Year Month 0 99999 4 15 Sensor Code 2 User Setting Product No 0 99999 4 V Communication 1 Communication Mode Select MODBUS HART PROFIBUS 2 2 Communication Address Set Count 0 250 2 3 Baud Rate Select 300 38400 2 4 Check Mode Select No Parity 1 Stop Odd Parity 1 St Even Parity 1 S...

Page 46: ...rd is used the user can check the instrument parameters However if the user wants to change the instrument parameters different levels of passwords must be used Passwords are as follows Appendix III passwords Password Level Factory Default Password Level 1 00522 Level 2 03210 Level 3 06108 Level 4 07206 Level 5 Please consult your local representative or H2flow Controls The password level and chan...

Page 47: ...n the customer will be liable for the full cost of the repair parts and labor plus all carriage and insurance costs to and from H2flow Controls Inc s premises c the product is damaged in transit and a contributory cause is inadequate packaging It is the customer s responsibility to ensure that the packaging used to return equipment to H2flow Controls Inc is the same or has equivalent protective qu...

Page 48: ...Road Unit F Sylvania OH 43560 U S A Tel 888 635 0296 Fax 419 517 9900 sales h2flow net www h2flow net H2flow Controls Europe Barcelona Spain Tel 34 609 31 52 82 info h2floweurope com www h2floweurope com FaraMag FM750 Rev 1 1 6 21 English ...

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