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Nor-Mag Magnetic Flowmeters

1. Flanges according to standard EN 1092 1 Tale lel lo le 1 2 4 2 6 8 2 5 7 PN 34 4 xr Te 7 1 45s s 7 e r 7 ns ss v amp s zr 9 um amp s amp sw 2 o HN REI e RM sn p usr D 20 e 3 8 amp ss t zr 3 sz psy e gt 27 42 NE ANGE s DNE a 91 o 149 39 18 170 PN 10 203 145 PSI 256 368 694 9n PN6 87 PSI 1102 48 55 53 59 47 20 1499 Dimension A sensor height is net of the electronic unit box or terminal box in the distributed meter version The sensor weight data are only approximate HP 315 11 Nor Mag 4 1 7 Flangeless sensor dimensions for various rated diameters DN Dimensions of flangeless sensor DN A Weight Ibs 2 puao oF r 4 7 7 9 PN 16 9 232 PSI 13 18 22 Dimension A sensor height is net of the electronic unit box or terminal box The sensor weight data are only approximate HP 315 12 Nor Mag 4 1 8 Flow sensor specifications Sensor size Flanged sensors DN 1 2 to DN 47 Flangeless sensors DN 4 5 to DN 8 Operational pressure PN 40 4 0MPa for DN 1 2 to 1 5 PN 16 1 6MPa for DN 2 to 8 PN 10 1 0MPa for
2. Periodic day depress The display will read Cleaning Day xxx Move the cursor using push button CJ and increase decrease the x values using push buttons or respectively Replace xxx by a number from 1 to 255 days Depress The display will read Value Entered Press Any Key Press any key preferably This action will return the display to the basic programming menu item Electrode Cleaning 7 1 6 Serial line The meter is provided with a serial communication interface intended for servicing purposes In the standard configuration the USB port is implemented Electrically insulated port RS 485 is included on special request Serial port USB This port is accessible through USB type B connector Interconnection to the computer is facilitated by means of a cable provided with USB type A connector at one end and USB type B connector at the other end The USB port is not insulated from the other meter circuits it is primarily intended for servicing purposes Permanent operational use is not recommended HP 315 38 Nor Mag Serial port RS 485 The RS 485 port is optional accessory of the induction meter It is electrically insulated from the other meter circuitry and allows for interconnection of up to 31 flow meters to a common communication network The maximum length of the connecting two wire twisted cable is 1 200m If repeaters are used the number of meter stations and cable length can further be increa
3. The Displayed data menu allows the operator to choose which parameters are to be displayed Using push buttons and select parameters from the following list The Flow Rate display cannot be cancelled Menu Displayed data depress The two line display unit will always show two of the items from the following menu Use push buttons and CJ to page upwards and downwards through the menu items Flow rate Total volume Total volume Total difference Operational time Percent flow rate Last error Dosing mode HP 315 26 Nor Mag Menu Displayed data depress JJ Total volume depress Display line 1 will read Do not display line 2 I s 1 Use push buttons and to go up and down in the menu items If you choose Do not display depress JJ to return to the Displayed data menu If you wish to display If you wish to display Total Volume select the Total Volume item on the menu depress push button 2 skip line 1 Do not display and select line 2 I s I flow rate unit volume unit Using push buttons downwards and upwards select the desired flow rate and volume units and confirm the selection by depressing The display line 1 will then show 0 and line 2 0 0 Using push buttons downwards and CJ upwards select the desired number of decimal positions confirm the selection by depressing and return to the Displayed Data menu
4. 4718 592 8729 395 3276 8 5459 1488 8192 1638 4 2730 394 4096 6370 918 0 11944 7827 6198 0 18055 1479 066 0 3194 2616 525 0 5 4096 0 7 5734 4 0 972 7962 624 35 Nor Mag Frequency outputs In the frequency modes the output signals will be impulses of impulse to gap ratio 1 1 The frequency range available is from 1Hz to 10kHz Comment The electronic unit of the meter includes only one frequency generator It is therefore impossible to select different frequencies for each output or combine the fixed frequency mode at one output with frequency related to flow rate mode at the other output On the other hand the operator may select the frequency related to flow rate mode in the positive direction at one output with that in the negative direction at the other output with the same frequency to flow rate ratios Regarding the flow rate conditions the frequency outputs can be operated in three different modes see below Frequency for Q Frequency for Q Frequency for Q Menu Output functions depress gt Output 1 2 function depress J Frequency for Q depress The display will read Flow Rate Per 1kHz xxxx Move the cursor using push button and increase decrease the values at various positions using push buttons or respectively Replace xxxx by a figure representing the maximum flow rate Depress The display will re
5. Then exchange the Ohm meter leads and measure resistance again Calculate the average value of the two measurements and enter it as Measured Value into the table below Parameter Description Measured value R1 Coil to sensor body insulation resistance gt 2 R2 Excitation coil resistance 36 to 440 H3 Measuring electrode to sensor body insulation resistance gt 2MQ R4 Measuring electrode to sensor body insulation resistance gt 2 R5 Measuring electrode to connector connection short circuit R6 Measuring electrode to connector connection short circuit R7 Insulation resistance between measuring electrodes gt 2 R8 Interconnection between connector points 2 and 6 short circuit R9 Earthing electrode to sensor body connection short circuit R10 Dry condition electrode to sensor body insulation resistance gt 2 R11 Dry condition electrode to sensor body insulation resistance gt 2MQ R12 Dry condition electrode to connector connection short circuit R13 Dry condition electrode to connector connection short circuit R14 Insulation resistance between dry condition electrodes gt 2MQ Comments If the electrodes indicating the not fully flooded dry piping condition are not included in the sensor configuration connector pins 7 and 8 are free and resistances R10 through to R14 need not be measured If the earthing electrode is missing paramet
6. frequency To return to the basic menu item Production data depress push button 9 7 1 8 Dose setting The dosing mode is operational provided the Display item is selected from the Displayed Data menu The dosing mode allows for measurement of the preset fluid volume dose The external initiation command shall be brought to the input of optocoupler IN1 As soon as the preset dose has passed through the meter probe the output optocoupler OUT3 will close The dosing process will be repeated with every new external initiation signal brought to the input of optocoupler IN1 Depress push button to discontinue the dosing process currently in progress Following that the next dosing process can be initiated at any time Menu Dose setting depress The display will read Dose Size Using push button CJ move the cursor to the desired decimal position and increase decrease the selected figure by push buttons and respectively Replace xxxx by a number equal to the dose size Depress The display will read Value Entered Press Any Key Press any key preferably The basic programming menu will reappear on the display with the Dose Setting item selected 7 1 9 Zero setting The zero setting function is useful in the cases where the actual flow rate is very small e g due to leakage in closed valves and for all practical purposes equal to zero This function can only be used with meters in a single flow direc
7. Comment The measurement unit selected for Flow Rate is automatically set for all other flow rate quantities referred to in the Programming menu The measurement unit selected for Total Volume is automatically set for all other flow volume quantities in the Programming menu The measurement units for the Total Volume and Total Difference quantities can be selected as need be and their selection will not affect any other measured quantities to be set within the Programming menu Table of flow rate and volume units Table of decimal positions ls 0 l min 0 0 h 0 00 m3 s m3 0 000 m3 min m3 0 0000 mash m3 0 00000 GPS G 0 000000 GPM G GPH G User specified units When defining a user specific unit it is necessary to enter a conversion constant a multiple of the standard flow rate or volume units l s or I then depress define the unit name six characters depress define number of decimal positions depress and return to the Displayed Data menu Example the desired flow rate unit is US barrel per second the conversion constant is 0 006283811 unit name bl s number of decimal positions 0 000 The same procedures apply to parameter setting with Flow Rate Total Volume Total Volume and Total Difference While setting the parameters of Operational Time Per Cent Flow Rate Last Error and Dosing the options to select from are only
8. DN 10 to 29 5 PN 6 0 6MPa for DN 31 to 47 Mechanical connection Flanges according to CSN EN or DIN standards Flangeless Others Earthing On flanges Earthing rings Earthing electrode Flow velocity of measured liquid From 0 1 m s to 10 m s Maximum temperature of measured liquid Up to 302 F according used lining Minimum conductivity of measured liquid 20 5 in special applications Empty pipe alarm From DN 2 Lining Soft rubber Hard rubber Resistant rubber Teflon PTFE E CTFE Measuring electrodes Stainless steel grade 1 4571 17248 Hastelloy C4 Platinum Tantalum Titanium Protection class IP 67 IP 68 Storage temperature 14 F to 158 F at max relative air humidity 70 4 2 Electronic Unit Box The signal processing electronic unit is accommodated in a cast aluminium box coated on the surface with paint of hue RAL 1017 The box is held by four M5 bolts with hexagonal socket heads Upon loosening the bolts slightly the box can be rotated around horizontal axis through 180 At the rear part of the box there is a terminal board under a lid held in position by six bolts with hexagonal socket heads At the bottom of the box there are cable glands and a special valve preventing condensation of the air humidity inside the box The unused gland openings shall be blinded The front panel of the box is either blinded
9. as the error condition exists Menu Output functions depress Output 1 2 function depress Error No error condition press The display will return to the menu items Output 1 Function or Output 2 Function To return to the basic menu depress push button Exceeding dropping below the limit values of flow rate In the cases of exceeding dropping below the preset flow rate limit values the output will close open Upon return within the normal operating range the output will open close again with a preset hysteresis Regarding the flow rate conditions there are four different modes of operation Q Q lim HYSTERESIS HYSTERESIS IQI gt Q lim IQI lt Q lim Menu Output functions depress 2 Output 1 2 function depress Q gt Q lim depress The display will read Flow Rate Limit 1 xxxxxx Move the cursor using push button CJ and increase decrease the values at various x positions using push buttons 9 or respectively Replace xxxxxx by a figure equal to the flow rate which when exceeded should cause the output to close Depress The display will read Value Entered Press Any Key Press any key preferably The display will then show the message Hysteresis 1 xxxx Move the cursor using push button and increase decrease the x values using push buttons or respectively Replace xxxx by a figure representing hysteresis between the clos
10. ciet RE Ee e eR tects ee eerte CR PRAE 53 8 89 8 Checking the condition of flow meter sensor the distributed meter version with the remote Electronic unit accommodated with an IP 67 box a 54 8 3 3 1 Measurements to be performed on sensor with no fluid inside the lining is dry 54 8 3 8 2 Checking the condition of flow meter sensor fitted into piping and flooded with the measured L 55 8 3 3 3 Checking the condition of the cable connecting sensor and associated electronic unit 56 8 3 4 Checking the condition of flow meter sensor the distributed meter version with the remote electronic unit accommodated in an IP 68 box uu aasan aa ass eren eene nennen nnne nnne nennen nnns 57 8 3 4 1 Checking the condition of flow meter sensor fitted into piping and flooded with the measured fluid ETE 58 8 3 5 Checking the condition of induction flow meter using the meter diagnostic module of the Floset 2 0 prograf u u uuu n e EGRE NO MED OR C DARE RR 59 HP 315 i Nor Mag 1 APPLICATION The NORMAQ induction flow meter has been designed to measure volume flow rates of electrically conductive liquids in closed piping systems Measurements can be done in both flow directions with high measurement accuracy over a wide range of flow rates 0 1 to 10 m s The minimum required conductivity of the measured medium i
11. connector pin connection short circuit R13 Dry condition electrode to connector pin connection short circuit R14 Insulation resistance between dry condition electrodes gt 2 Comments If the electrodes indicating the not fully flooded dry piping condition are not included in the sensor configuration connector pins 7 and 8 are free and resistances R10 through to R14 need not be measured If the earthing electrode is missing parameter R9 need not be measured either HP 315 57 Nor Mag 8 3 4 1 The sensor earthing electrode is connected to the piping or earthing rings Checking the condition of flow meter sensor fitted into piping and flooded with the measured fluid Schematic diagram A particular sensor need not include all the depicted electrodes IS X XXX X XX IP68 OF CONNECTOR PINS 1 7 6 3 5 4 5 2 2009 Example Measurement of R1 Connect Ohm meter to connector pins 4 and 1 and measure resistance Then exchange the Ohm meter leads and measure resistance again Calculate the average value of the two measurements and enter it as Measured value into the table below Parameter Description Measured value R1 Coil to sensor body insulation resistance gt 2 R2 Excitation coil resistance 36 to 440 H3 Fluid resistance between measuring electrode and sensor body R4 Fluid resistance between measuring electrode and sensor body R7 Fl
12. eene nennen aE aeaa Erai e n nnns 19 6 2 2 Qutput Signal Connections de e ed a ose Heber deg i Le Race eed 20 6 3 CONNECTION BETWEEN SENSOR AND ELECTRONIC UNIT DISTRIBUTED METER VERSION 20 6 4 CONNECTION BETWEEN SENSOR AND ELECTRONIC UNIT DISTRIBUTED METER VERSION PROTECTION CLASS IP 68 20 6 57 OPERATIONAL START sonses ERE 21 6 544 The ECONOMIC version e a a e a ua a am Hua iE 21 6 5 2 The COMFORT Version 3 ue ne ea aoe tmn es 21 65 32 Operaltional data eet PE RERUM UN RUM ERRARE 21 6 5 3 1 Display formats of aggregate values ccecececeeececeeeeeceeeeeeeeeeeeeeeeeeeecneeeeeeeeeeeneeeneneeenenenes 24 05 32 9Data TeSet o a wan stats saa Sere cata ce ta Y e E yay apuyaya a 25 T PROGRAM MN G Lu AT alina asa maa isq aS iama aaa 25 7 1 PROGRAMMING OF THE BASIC MENU ITEMS a 26 71 15 gt Displayedidata eee dae redit d ae oit iniret eet Toto dicere cese eite a 26 71 22 Samples cn docs heidi Sete el enenatis d ree ee 28 741 3 Analog Output n ate Sun um uka p cea acia e te ha ee i 28 HP 315 l Nor Mag Content AA Output functions oet npe e ede u ag AL eden LP ue 31 71 5 Electrode cleaning iier RR PUR Meme Heer Peri be eire ocd de 38 KEO Serialilines 536i eum tectus beri muet iae AH
13. flow velocities ranging from 0 1 to 10 m s The best operational properties will be achieved at the flow velocity range of 0 5 to 5 m s For lower flow velocities the measurement accuracy is worse while at higher flow velocities the turbulences at contact edges may cause undesirable interference Minimum and maximum flow rates for various sensor sizes Qmin corresponds to flow velocity 0 1 m s Qmax corresponds to flow velocity 10 0 m s Diameters LPM GPM Inches Qmin Qmax Qmin Qmax 1 2 1 08 108 29 28 62 3 4 52 83 i 79 25 num 132 09 11 7 198 13 x 317 01 am 528 34 792 52 12328 5 189 2 862 8 5 063 10 7 925 17 11 095 Ww 15 410 6 19 813 207 31 701 Ti 44 028 28 61 640 327 79252 36 1 013 101 266 40 1 233 123 280 48 6 667 666 660 1 761 176 110 HP 315 Nor Mag Operational flow rates and flow velocities for various sensor sizes G gt n E E ES 2 gt z oo gt wo 158503 GPM 4 1 2 Operational pressure of measured liquid The standard flow sensor versions have the following pressure ratings Sensor Size Diameter Inches DN Pressure rating DN 15 DN 40 1 2 11 2 PN 40 4 0MPa 580 PSI DN 50 DN 200 PN 16 1 6MPa 232 PSI DN 250 DN 750 10 29 PN 10 1 0MPa 145 PSI DN 800 DN 1200 32 48 PN 6 0 6MPa 87 PSI On request any sensor can be supplied for rated operational pres
14. includes the RS 485 communication line interface the diagnostic operations can be carried out via this line provided of course that your computer has the necessary interface or an RS 485 converter HP 315 59 Nor Mag
15. measured liquid nennen nennen nnne neni 9 4 1 3 Selection of electrode material u 10 4 1 4 Selection of sensor tube lining a 10 4 1 5 Compact or distributed meter version 10 4 1 6 Dimensions of flanged Sensor e ERE RH 11 4 1 7 Dimensions of flangeless sensor I uuu 12 4 1 8 Flow sensorspeciflGatloris us vis u etras cote p it c t alte tu a di ay a uet 13 4 2 ELECTRONICG UNIT BOX assis ie ise eva n Ee ee ede ERE TENE Ee ERE da 13 4 2 4 Electronic unit specifications eie debate De at a Rue 14 5 METER APPLICATION RULES T ttt trece eer dece ie ee eene 15 5 13 SENSOR PLACEMENT IN PIPING u etie eie eene ee Eee ge dp e Ei i T vele e R e euge Seapine 15 5 24 SENSOR EARTHING a Sa Ade Re Ue mete ite ca debere P e e n Tp oe tna ee ceca 17 6 LOW METER INSTALLATION AND OPERATIONAL START l u 18 6 1 SENSOR INSTALLATION iecore cene et ell dne cr dee nt sian nd imanu e Ee e h ine dara 18 6 2 ELECTRIC CONNECTIONS OF INDUCTION FLOW METER nennen neret nennen nnne i nt nennen 19 6 2 1 Connection to Power Source L u U I u T L SGS eene nennen
16. menu items Select New password to cancel the existing password and define a new password enabling entry into the Parameter Setting mode HP 315 44 Nor Mag Menu Exit depress New password depress The display will read Password 0000 Using push button move the cursor to the desired decimal position and increase decrease the selected figure by push buttons and respectively Enter the new password and depress 3 The display will read Value Entered Press Any Key Press any key preferably 2 The Exit menu will reappear on the display Select the Exit item and depress J The display will read Write To EEPROM Depress Any Key Press any key preferably This command will terminate the programming mode and bring the data display menu on the meter display Unless the programming procedure is terminated in this way the flow meter parameters will not be protected by a password Page through the menu items using push buttons direction downwards and upwards HP 315 45 Nor Mag 7 2 The Parameter Setting Menu Pulse length Pause length Vol pulse Q frequency Q frequency Flowrate at 1 kHz Q frequency Fixed frequency Fixed frequency Hz AFTER PAS WORD ENTRY Error occurred No error occurred Flow limit Hysteresis BASIC PROGRAMMING MENU Elecrode clean Serial line Production data Address 1 255 Group 1 255 Production Data menu Staving to EEPROM Progr
17. the error concerned Upon depressing push button the meter will return to the data display mode while the abbreviated error message and error code are stored in the previous errors register While an error is indicated the measurement functions continue undisturbed In the cases of errors E6 or E7 zero flow rate is indicated throughout the error condition duration The user may review earlier error codes and messages up to 255 previous error messages stored in the error register To access this function depress push button previous error display In the data format E XXX YYY ZZZ are XXX the error code YYY error ordinal number and ZZZ the total number of error codes stored in the register page through the list use push button To return to the data display mode depress push button Error register is reset with switching power on HP 315 23 Nor Mag The error messages are E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 E10 E11 E12 E13 No error Error in CRC EEPROM Incorrect data check sum in the EEPROM unit This error may occur when the processor following a power failure does not manage to store all data in the EEPROM unit OUT multi functional output is in the impulse mode of operation and the memory block storing the unsent impulses overflows OUT2 multi functional output is in the impulse mode of operation and the memory block storing the unsent impulses overflows Multif
18. the voltage drop on resistor R It holds U IR For the voltage range of 0 10V select R 5000 and the analog current output range 0 20mA Resistor R shall be placed as close to the input terminals of the co operating controlled equipment as possible The maximum voltage voltage drop on the resistor is 10V The input impedance of the controlled equipment shall be at least 100 times higher than that of resistor R The interconnection of the current output as an auxiliary power source for the binary outputs is shown in the above picture This arrangement assumes that the current output is not used for the purposes of flow rate indicator Here the current output needs be set in the Fixed Current mode of operation The voltage drop on resistor Ri is used as supply voltage for the binary output via resistor Rz The input impedance of the associated equipment shall be at least 10 times higher than that of resistor Rz while Rz shall be at least 10 times higher than Ri It holds Ri lt Rz lt input impedance of the co operating equipment HP 315 30 Nor Mag Analog output specifications The analog output signal is controlled by a 12 bit DA converter The operational range 0 to 20mA is divided into 4 096 steps One step 1LSB therefore corresponds to about 0 005mA 0 025 of 20mA This resolution applies to all output ranges The current range 4 20mA is software defined with the converter steps reduced accordingly The maximum volta
19. 40dB 6 1 Sensor Installation The measurement point chosen for the sensor installation should ensure that the internal part of the sensor is fully flooded with the measured liquid at all times If the sensor is mounted in vertical position the only permitted liquid flow direction is upwards No thermal insulation shall be used on the sensor body If the flow meter is to be installed in a pipeline with thermal insulation the insulation shall be removed at the sensor insulation point The internal diameters of the piping connecting flanges and the sensor tube shall be identical The flange faces shall be perpendicular to the piping The input and output piping sections including seals shall be perfectly aligned with no protruding edges In the case of a non conductive piping use earthing rings on both sides of the sensor The arrow on the sensor body indicates the required fluid flow direction positive flow direction Upon loosening the four bolts holding the electronic unit box in position on the sensor body the box can be rotated through 180 The same system for the box rotation can be used if the box is mounted on a bracket attached to a vertical support plate or wall Do not expose the electronic unit box to direct sunlight in the cases of outdoor installation use a suitable protection shield HP 315 18 Nor Mag 6 2 Electric Connections of Induction Flow Meter The terminals for connecting cables can be accessed upon remova
20. Aes der 38 T T Productionidata i aite tiet de e bes deg quete cated Hh cde 40 7 18 Dose settlng uio IRR ERES CRURA 43 71 9 Zero setting ta RS oe ut ett sedo de EE e ee ERE Pede 43 100 per contu ceo d ete at eae eel ite dete t be Decor du 44 ZQ AS T Exit iL i t u u Dau LER aee ERE 44 7 2 THE PARAMETER SETTING MENU ccccssscecesssececsssteeeessnesesssceceessseseessssseesssenseeessusecsscseeessssesecesenseecsseesessesuseessscesessness 46 7 9 gt HE PRODUCTION DATA ez iei ER ERICH EUER D D E Ros 47 8 ERROR CLEARING AND METER REPAIR PROCEDURES U U u 48 8 1 JREPEAGEMENT P G BOARDS Dp ab ed eie Ue eise erben uie desierto uM nim ES 48 8 2 PROGRAM AND SIMULATION SOFTWARE J nennen inneren 48 8 9 EEOW METER REPAIR PROGEDURE ini iii iet teen te ta dee liad teed ec aden aed lain ae ee Ra ER as 48 8 3 1 KV 1 0 Fixture for checking the meter outputs ennemis 51 8 8 2 Checking the condition of flow meter sensor the compact meter 52 8 3 2 1 Measurements to be performed on sensor with no fluid inside the lining is dry 52 8 3 2 2 Checking the condition of flow meter sensor fitted into piping and flooded with the Me ASU TUNG e a
21. Comments If the electrodes indicating the not fully flooded dry piping condition are not included in the sensor configuration connector pins 7 and 8 are shorted and parameters R10 and R11 need not be measured The R14 measurement shall indicate a short circuit condition If the earthing electrode is missing connector pin 6 remains unconnected and parameters R8 and R15 need not be measured The earthing electrode can be connected with the sensor body internally In such case connector pin 6 is not connected 8 3 3 Checking the condition of flow meter sensor the distributed meter version with the remote electronic unit accommodated in an IP 67 box To check the condition of the meter sensor remove the lid on the sensor terminal box Disconnect the cable to the associated electronic unit and perform the required sensor parameter measurements In the case of the IP 67 design version the terminals are readily accessible With IP 68 design the terminals including the cable end are sealed with packaging compound and cannot be accessed 8 3 3 1 Measurements to be performed on sensor with no fluid inside the lining is dry Schematic diagram A particular sensor need not include all the depicted electrodes IS X XXX X XX IP67 5 2 2009 HP 315 Nor Mag Example Measurement of R1 Connect Ohm meter to connector pins 5 and 2 and measure resistance
22. Display and Do Not Display To leave the Displayed Data mode and return to the basic programming menu depress push button HP 315 27 Nor Mag 7 1 2 Samples The number of samples N on the basis of which the average flow rate value is determined can be set within the range of 1 to 255 While the measurement frequency is 6 25Hz or 3 125 1 or 0 5Hz fast step changes in the flow rate will be smoothened within the interval of 0 08 to 20 40s 0 16 to 40 80s 0 5 to 127 5s or 1 to 255s The averaging feature is useful in the cases where the flow through the meter sensor is unstable the fluid is turbulent or where there are air bubbles trapped in the fluid flow The averaging function helps suppress fast changes in the fluid flow rate Average flow rate as measured and displayed is the parameter used to calculate other meter outputs Current flow rate Average flow rate Sampling Suppression of step changes in flow rate Menu Number of samples depress The display will read Number of samples xxx Replace xxx by a number from the range of 1 to 255 usually 25 is chosen Move the cursor using push button and increase decrease this number using J or i respectively Confirm the selection by push button The display will then read Value entered Press any key Press JJ or any other push button This action will take you back to the basic menu 7 1 3 Analog output Setting options Connected to terminal
23. Nor Mag Magnetic AC DC Powered General Industrial Meters USER S MANUAL HP 315 November 2010 H HOFFER FLOW CONTROLS INC Perfecting Measurement 107 Kitty Hawk Lane P O Box 2145 Elizabeth City North Carolina 27906 2145 1 800 628 4584 252 331 1997 FAX 252 331 2886 www hofferflow com Email info hofferflow com Notice HOFFER FLOW CONTROLS INC MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE This manual has been provided as an aid in installing connecting calibrating operating and servicing this unit Every precaution for accuracy has been taken in the preparation of this manual however HOFFER FLOW CONTROLS INC neither assumes responsibility for any omissions or errors that may appear nor assumes liability for any damages that may result from the use of the products in accordance with information contained in the manual HOFFER FLOW CONTROLS policy is to provide a user manual for each item supplied Therefore all applicable user manuals should be examined before attempting to install or otherwise connect a number of related subsystems During installation care must be taken to select the correct interconnecting wiring drawing The choice of an incorrect connection drawing may result in damage to the system and or one of the components Please review the complete model number o
24. Output 1 function depress The two line display unit will always show two of the items from the respective menu Use push buttons and to page downwards and upwards through the menu items HP 315 31 Nor Mag The output functions available are shown in the following table Permanently open Perm closed Q impulses Q impulses Q impulses Q frequency Q frequency Frequency can not be used for relay output Q frequency Fixed frequency Negative flow Non neg flow Error occurred Q gt Qlim Q lt Qlim Q gt Qlim Q lt Qlim Cleaning Not cleaning Permanently closed open These modes are only used for servicing purposes Menu Output functions depress Output 1 2 function depress Permanently closed open depress This will return the display to the menu item Output 1 Function or Output 2 Function To return to the basic programming menu depress push button 9 Impulse outputs In any of the impulse modes an impulse will be generated as soon as a defined preset fluid volume passes through the meter sensor The impulse mode requires specification of the following three parameters impulse width ty minimum time gap between two successive impulses tp and fluid volume per impulse V Impulse generation principle v It holds maximum impulse frequency 1 tu tp Q ON HP 315 32 Nor Mag This mode provides for integration of t
25. REEMENT PURCHASER S SOLE AND EXCLUSIVE REMEDY IS THE REPAIR AND OR REPLACEMENT OF NONCONFORMING GOODS AS PROVIDED IN THE PRECEDING PARAGRAPHS HFC SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES Disclaimer Specifications are subject to change without notice Some pages are left intentionally blank HFC 9708 Ws PAR due wie 1 2 MEASUREMENT PRINGIDBLE nie terere trice eec mete dena peau reed QS 1 3 TEGHNICAL DESCRIPTION su 2 tecnici eterne tere terree Lee desi 2 GENERA mu mau uma tee Na S oett iie ced dies redet eee E aes dea S 2 3 2 METER DESIQN3 tee cen Eee ica etu EEG tee LAE EOD cet ere ELI Pera m e Lie net et 3 3 241 Distributed Versiom mL SE gta e ec Re qc et pagella eto Hig Ue 3 3 2 2 Compact Versioni uc ndn HOP Rt ID ERREUR 4 3 2 8 Protection of commercial meters against unauthorised handling u 5 3 2 MODEL NUMBER DESIGNATION hs centre ca dto as rao spa e ba ethionine ails ado a gn cr dte 6 4 TECHNICAL PARA ME TERO reete ento nei rene eee rer ERR Eee ER Ho Pk enano ua E oae ER Re Dev ui 8 447 SENSOR umet mat RR IR ates fa t onte det eed gti e cde 8 4 1 1 Selection of correct Sensor SIZE ejen a su askai nn nnne 8 4 1 2 Operational pressure of
26. STEEL 2 HASTELLOY 3 OTHER HP 315 Nor Mag POWER SUPPLY MODEL NM 4 X MED XC X X OPTION 1 24 VDC STANDARD 2 115 VAC 3 220 VAC GROUNDING MODEL NM KC XC XC X X OPTIONS 1 STAINLESS STEEL GROUNDED ELECTRODES 2 STAINLESS STEEL GROUNDING RINGS 1 2 4 3 4 1 amp 1 4 6 1 1 2 8 2 10 2 1 2 12 3 3 HASTELLOY GROUNDED ELECTRODES 4 HASTELLOY GROUNDING RINGS 5 OTHER ELECTRONICS MODEL NM KC XC KC X X X OPTIONS 1 INTEGRAL RATE AND TOTAL INDICATOR WITH FACE MOUNTED CONTROLS IP 67 2 REMOTE ELECTRONICS FOR IP 67 WITH 19 FT CABLE 3 REMOTE ELECTRONICS FOR IP 68 WITH 19 FT CABLE OPTIONAL SERIAL COMMUNICATIONS MODEL NM KM XC CC X X OPTIONS l _ RS485 SERIAL COMMUNICATION OPTIONAL BATCH CONTROL MODELNM C M X C CC X OPTIONS 1 BATCH CONTROL FUNCTION EMPTY PIPE DETECTION 2 SIZE AND ABOVE MODEL NM 4 M X C CC CX OPTIONS 1 FOR USE WITH SS ELECTRODES 2 FOR SE WITH HASTELLOY C ELECTRODES SPECIAL FEATURES MODEL NM M X C COCOS RH X OPTIONS X ADDITIONAL CABLE LENGTHS UP TO 150 FT FOR REMOTE IP 67 OPTION AND REMOTE IP 68 OPTION HP 315 7 Nor Mag 4 TECHNICAL PARAMETERS 4 1 Flow Sensor The sensor environment must be free of any strong magnetic fields 4 1 1 Selection of correct sensor size The following table shows minimum and maximum flow rates for various sensor sizes and
27. Unit distributed meter version In a compact version of the meter this connection is internal With a distributed meter version the electronic unit shall be connected to the associated sensor be means of a special cable supplied attached on the electronic unit side On the sensor side connect the cable wires paying attention to the wire insulation colours and the terminal identification labels Special cable UNITRONIC Cy PiDy 3x2x0 25 length up to 50m temperature up to 158 F Brown BN A Blue BU B White WH C Green GN D Yellow YE E Yellow and green GNYE Shielding Pink PK W2 Gray GY W1 6 4 Connection Between Sensor and Electronic Unit distributed meter version protection class IP 68 In the IP 68 version of the flow sensor the terminal box is sealed by cast plastic and the connecting cable is fixed on the sensor side On the electronic unit side the cable is provided with a screw on connector with its mating part mounted on the electronic unit bracket To prevent unauthorised handling this connector can be sealed The hole for the seal wire is provided in the bracket HP 315 20 Nor Mag 6 5 Operational Start 6 5 1 The ECONOMIC version The induction flow meter of either compact or distributed design must first be fitted mechanically and then the power supply and output terminals be interconnected Then switch on the supply voltage Within a short time the meter will be initialize
28. accumulate or develop in the sensor tube Therefore the sensor shall never be placed in the upper pocket of the piping or in a vertical piping section where the flow direction is downwards In piping systems where complete flooding of the piping cannot always be guaranteed consider placing the sensor in a bottom pocket where full flooding is ensured If the sensor is located near a free discharge point such point shall be by at least 2 DN higher than the top part of the sensor Sensor placement near free discharge point HP 315 16 Nor Mag Make sure that the adjoining piping is clamped supported as close to the sensor as possible to prevent vibrations and damage to the sensor Undesirable sensor vibrations Sensor bypass In applications where continuous liquid flow is essential a bypass shall be provided to allow for sensor servicing A sensor bypass may also be a reasonable solution in the cases where to dismantle the flow sensor from the piping liquid from a very long piping section would have to be discharged 5 2 Sensor Earthing The correct meter function requires that the sensor and adjoining piping sections be connected by low impedance earthing conductors to the earth potential and the protection conductor of the
29. ad Value Entered Press Any Key Press any key preferably This will return the display to the menu items Output 1 Function or Output 2 Function The fixed frequency mode is used for servicing purposes only The required frequency is set in Hz within the range of 1 to 10 000 in steps of 1Hz Menu Output functions depress gt Output 1 2 function depress 2 Fixed frequency depress The display will read Fixed Frequency xxxxx Move the cursor using push button CJ and increase decrease the values using push buttons or respectively Replace xxxxx by a figure equal to the desired frequency Hz Depress The display will read Value Entered Press Any Key Press any key preferably This action will return the display to the menu items Output 1 Function or Output 2 Function To return to the basic menu depress push button 0 Negative non negative flow direction This mode is used to identify the fluid flow direction In the case of negative flow direction the output is closed open Menu Output functions depress Output 1 2 function depress Negative Non negative flow direction depress The display will return to the menu items Output 1 Function or Output 2 Function To return to the basic programming menu depress push button O HP 315 36 Nor Mag Error no error condition In the case of a meter error the output will close open and stay so as long
30. amming end Return to the selected data display mode HP 315 46 Nor Mag 7 3 The Production Data Menu AFTER PASSWORD ENTRY BASIC PROGRAMMING MENU Displayed data Samples Analog output Output function Electrode clean Serial line Production data Constant 1 Constant 1 Dose setting Constant 2 Zero setting Constant 2 100 percent 1 6 25 Hz 2 3 125 Hz i 31 0Hz 40 5Hz Suppressed flow CZ Czech EN Englich Er Enabled m A B B Base Frequency Hz Saving to EEPROM Programming end Retrn to the selected data display mode HP 315 47 8 ERROR CLEARING AND METER REPAIR PROCEDURES Error removal and meter repair activities should be reserved to duly qualified staff skilled is maintenance of electronic equipment and acquainted with the labour safety rules applicable to the plant concerned On request the meter manufacturer will provide training for such staff The manufacturer s responsibility for any meter damage due to incorrect handling is precluded Prior to any work on the meter such as disconnection or removal of printed circuit boards sensor disconnection dismantling of the display unit keyboard etc make sure that the supply voltage is disconnected At all times be aware of the danger of electric shock 8 1 Replacement PC Boards Processor board including FNP5 display unit Analog board FNA5 Power source board FNZ5 Terminal board FNS5 Keyboard Display u
31. appear Meter diagnostics system reports error E 000 NORIO E 001 Replace power source board FNP5 E 002 E 003 E 004 Incorrectly set output parameters OUT1 OUT2 OUT3 E 005 Electromagnetic interference from external sources too high Not fully flooded piping or defective electrode s indicating this condition 098 Replace analog board FNA5 Check sensor connection coil feeding lines replace analog board FNA5 replace E 007 terminal board L165V E 008 Replace power source board FNZ5 processor board FNP5 and or analog board FNA5 HP 315 49 Nor Mag Replace power source board FNZ5 processor board FNP5 and or analog board EN FNA5 E 010 Replace analog board FNA5 and or processor board FNP5 E 011 Incorrect setting of current output E 012 Replace analog board FNA5 processor board FNP5 and or terminal board FNS5 E 013 not used has no influence to the flow meter operation Check sensor connection electrodes replace analog board FNA5 and or processor board FNP5 Irregular function of analog output Check analog output using the fixed current mode with Amp meter connected at the output replace analog board FNAS terminal board FNS5 and or processor board FNP5 Irregular function of outputs OUT1 and or OUT2 Check outputs using the open and closed modes with power source on and loading resistor connected to the output replace analog b
32. asic menu depress push button 0 HP 315 33 Nor Mag Impulse number selection for NORMAG Inches L E HP 315 Dimension Imp number Qmax Coefficient number DN 0 205261 3 785412 gallon imp 0 475509 3 785412 0 879693 3 785412 1 320860 3 785412 2 200553 3 785412 3 302150 3 785412 5 283441 18 92706 8 804854 18 92706 13 20860 18 92706 ja ja ja ja fa 20 54466 18 92706 31 55271 37 85412 47 69626 37 85412 84 37655 189 2706 132 0860 189 2706 184 9204 189 2706 256 7752 378 5412 330 2150 378 5412 528 3441 1892 706 733 8699 1892 706 1027 365 1892 706 1320 860 1892 706 1687 795 1892 706 2054 730 1892 706 1 US gallon 3 785412 Impulse width 100ms Minimum gap length 100ms f lt 5Hz 2935 216 0 264172037 gall 11 3785 412 gallon m 101268 123284 176113 15 85032224 gall min 60 l min 34 Nor Mag Uniform output impulses With series 5 meters including boards FNA5 FNP5 FNS5 and FNZ5 the user may select the so called uniform output impulses These can only be set at the OUT2 output The standard OUT2 setting on board FNA5 is facilitated by jumper W1 1 2 To set uniform output impulses remove jumper W1 1 2 and install jumper W1 2 3 Further
33. be measured The earthing electrode can be connected with the sensor body internally In such case connector pin 6 is not connected 8 3 2 2 Checking the condition of flow meter sensor fitted into piping and flooded with the measured fluid The sensor earthing electrode is connected to the piping or earthing rings Schematic diagram A particular sensor need not include all the depicted electrodes IS X XXX IP X XX Q 0U c oM uuuumuuM moES g oo 4 2 2009 HP 315 53 Nor Mag Example Measurement of R1 Connect Ohm meter to connector pins 5 and 2 and measure resistance Then exchange the Ohm meter leads and measure resistance again Calculate the average value of the two measurements and enter it as Measured Value into the table below Parameter Description Measured value H1 Coil to sensor body insulation resistance gt 2 R2 Excitation coil resistance 36 to 440 R3 Fluid resistance between measuring electrode and sensor body R4 Fluid resistance between measuring electrode and sensor body R7 Fluid resistance between measuring electrodes R8 Fluid resistance between earthing electrode and sensor body R10 Fluid resistance between dry condition electrode and sensor body R11 Fluid resistance between dry condition electrode and sensor body R14 Fluid resistance between dry condition electrodes R15 Fluid resistance between earthing and dry condition electrodes
34. cter in the character series available the first eligible character will reappear Upon completing the editing action confirm your choice of password by push button 2 Should you enter an incorrect password the display will read Incorrect password Try again while the program will return to the data display mode HP 315 25 Nor Mag Password OK Press any key Display reading Confirmation of correct password entry Password OK Press any key With the display reading Password OK Press any key depress any push button preferably 2 to enter the basic programming menu The two line display will always show two of the following basic menu options Displayed data Samples Analog output Output functions Electrode clean Serial line Production data Dose setting Zero setting 100 percent Display reading The basic menu options Use push buttons and to move upwards and downwards in the menu As in any meter menu the selected item is on the first display line with the initial character blinking Depress push button to enter a subordinated menu to edit a menu item When in a subordinated menu depress push button 9 to return to the higher level menu the Escape function When in the basic menu the Escape command will bring forth the possibility to terminate the programming mode via the selection of the Exit item of the basic menu 7 1 Programming of The Basic Menu Items 7 1 4 Displayed data
35. d and its operational conditions stabilised Information on the fluid flow parameters will start to be communicated from the meter outputs to the co operating equipment the plant control system equipment The ECONOMIC version of the meter does not include any keyboard or display unit The meter configuration is always customized Changes in the configuration and or setting can be performed via the USB serial communication line using a computer with the FLOSET 2 0 software 6 5 2 The COMFORT version The induction flow meter of either compact or distributed design must first be fitted mechanically and then the power supply and output terminals be interconnected Then switch on the power supply voltage For a short while the meter display will show a welcome message Then the measured flow rate values will appear on the display 6 5 3 Operational data The COMFORT version of the meter includes a two line alpha numeric display of 2 x 16 characters with a background illumination The display illumination function works in a power saving mode where the illumination is automatically switched off 255 seconds following the last push button action On depressing any push button the display background illumination is reactivated The keyboard includes four push buttons provided with the following symbols 1 Push button the roller push button direction downwards 2 Push button movement upwards in the direction of the arrow 3 Push butt
36. data depress Software depress The display will read Software v xxxxx xx This information cannot be edited To return to the Production data menu depress any push button for example The menu will reappear on the display Menu Production data depress Sensor constants depress Constant 1 Constant 2 To page through the menu items use push buttons direction downwards and upwards Select the desired item and depress The constant value will appear on the display Should you wish to change this value use push button CJ to place the cursor under the selected figure and increase decrease the same using push buttons and respectively The sensor constants shall be set at the values given on the sensor rating plate Unless this is not the case the flow meter calibration is incorrect Menu Production data depress Sensor constants depress Constant 1 depress The display will read Sensor Constant 1 xxxxxxxxx The value was set during the meter calibration at the manufacturing plant and it should not be changed Depress The display will read Value Entered Press Any Key Press any key preferably This command will cause the menu Constant 1 Constant 2 to reappear on the display The same procedure applies to setting the value of Constant 2 To return to the Production data menu depress push button 9 HP 315 41 Nor Mag Menu Production data depress Excitation frequency de
37. easurement start or temporary difference from the last resetting of the temporary difference data Total difference Temp difference 1111 111 gal 700 111 gal Display reading Total difference HP 315 22 Nor Mag 5 Operational time The length of the time period in hours and minutes counted from the first meter start or the length of the temporary time period measured since the last resetting of the temporary time data Operational time Temporary time 12345 55 h m 543 21 h m Display reading Operational time Upon switching off the induction flow meter the data readings under items 2 3 4 and 5 are stored at the EEPROM unit and restored upon each new meter start 6 Percentage flow rate Flow rate information in the form of a horizontal bar whose length corresponds to the flow rate value in per cent of a selected 10096 value need not necessarily be the same as the maximum flow rate for the given sensor The figure on the right side offers the digital form of the same information The minus sign before the figure indicates negative flow data Percent flowrate II 20 Display reading Per cent flow rate Z Lasterror Abbreviated text of the last error message Last error Last error 7 sensor discon E 007 015 015 Display reading Last error In the case of a meter error provided the error indication mode has been enabled the display will immediately show a message including a short description of
38. ement to the right in the direction of the arrow direction upwards 3 Push button 9 password entry push button movement upwards in the direction of the arrow movement back in the menu 4 Push button referred to as the Enter push button command confirmation In any menu the selected item is on the first line with the first character blinking Entry to the programming mode movement within a menu and data saving To enter the programming mode depress push button and then The programming mode is protected against unauthorised action by a password a four digit number that needs be entered before accessing the basic programming menu Upon delivery from the manufacturing plant every new meter has a password of 0000 Password 0000 _ Display reading Password With new meter enter password 0000 and confirm by push button Provided you have already chosen your own password enter the same and confirm by depressing push button Prior to leaving the programming mode the password can be changed without any limitation Use the push button to move the cursor to the right Upon reaching the extreme right position the cursor will return to the left side of the line The cursor is a short horizontal line to be placed under the character we wish to edit change Use the push button to change the selected character in the direction upwards or push button in the direction downwards Upon reaching the last chara
39. eplacement and checks on the condition of each system component PC board in turns To exclude the possibility of a defect in the flow sensor it should be disconnected and a sensor simulator SF 1 0 connected in its stead Under normal meter operation the display backlight is off To turn it on depress any key The display will show the latest selection of the measured parameter HP 315 48 Nor Mag The self diagnostic feature of the electronic unit concerns errors E0 through to E13 The indicated error is accompanied by a brief error description More detailed description of the error conditions is included section 6 5 3 of this Manual The operator may acknowledge the error indication by depressing key whereby the error message will disappear and the previous image message return to the display Should the error be of a lasting nature the error message will eventually reappear Then proceed with repair taking into account the error type concerned Remove the cover at the rear side of the electronic unit box The cover is held position by means of six socket screws With the cover removed loosen and remove two RSK pin nuts using size 5 Alien wrench Then the front panel can be lifted off mind the flat keyboard cable Disconnect the keyboard Pull out the electronic circuit block including the FNA5 FNP5 and FNZ5 boards by some 20mm disconnect the connector of the flow sensor on the analog board FNA5 and remove the block from the unit box W
40. er The meter performance will be the best if the liquid flow in the piping is well stabilised therefore it is necessary to observe specific rules for the sensor placement in piping In the contact planes between the sensor and the adjoining piping sections should be no edges as these would cause flow turbulence Make sure that straight piping sections are provided before and after the sensor their required length is proportional to the inner diameter of the piping concerned If more than one flow disturbing element such as pipe bend or fitting are located near the sensor the required length of straight piping section on the sensor side concerned should be multiplied by the quantity of such elements As required by clause 4 2 1 of standard EN 29104 the inner diameter of the connected pipe should not differ by more than 3 from that of the sensor Required straight piping sections Pipe narrowing In the cases where the pipe size larger than that of the meter sensor it is necessary to use conical reduction pieces with the angle of taper not exceeding 15 see the picture In the cases of bi directional flow measurement the minimum length of straight piping sections on both sides is 5 DN In horizontal sensor installations to prevent bubbling use eccentrically fitted reduction pieces see standard CSN EN ISO 6817 Pipe narrowi
41. er R9 need not be measured 8 3 3 2 Checking the condition of flow meter sensor fitted into piping and flooded with the measured fluid The sensor earthing electrode is connected to the piping or earthing rings Schematic diagram A particular sensor need not include all the depicted electrodes IS X XXX IP X XX IP67 HP 315 55 5 2 2009 Nor Mag Example Measurement of R1 Connect Ohm meter to connector pins 5 and 2 and measure resistance Then exchange the Ohm meter leads and measure resistance again Calculate the average value of the two measurements and enter it as Measured Value into the table below Parameter Description Measured value R1 Coil to sensor body insulation resistance gt 2 R2 Excitation coil resistance 36 to 440 R3 Fluid resistance between measuring electrode and sensor body R4 Fluid resistance between measuring electrode and sensor body R7 Fluid resistance between measuring electrodes R8 Interconnection between connector points 2 and 6 short circuit R10 Fluid resistance between dry condition electrode and sensor body R11 Fluid resistance between dry condition electrode and sensor body R14 Fluid resistance between dry condition electrodes R15 Fluid resistance between earthing and dry condition electrodes Comments If the electrodes indicating the not fully flooded dry piping condition are not included in the sensor c
42. erminal board Then connect all co operating devices and equipment to the unit as they were before It is also of utmost importance to restore completely the original settings of all outputs 8 3 2 Checking the condition of flow meter sensor the compact meter version To check the sensor condition dismantle the electronic unit so as to gain access to the sensor connector Proceed as follows Remove the cover at the rear side of the electronic unit box The cover is held position by means of six Socket screws With the cover removed loosen and remove two RSK pin nuts using size 5 Alien wrench Then the front panel can be lifted off mind the flat keyboard cable Disconnect the keyboard Pull out the electronic block including the FNA5 FNP5 and FNZ5 boards by some 20mm disconnect the connector of the flow sensor from the analog board FNA5 and remove the block from the unit box When re assembling the unit proceed in reverse order of the above steps 8 3 2 1 Measurements to be performed on sensor with no fluid inside the lining is dry Schematic diagram a particular sensor need not include all the depicted electrodes IS X XXX IP X XX uwmumuum moE5 oo 4 2 2008 HP 315 52 Nor Mag Example Measurement of R1 Connect Ohm meter to connector pins 5 and 2 and measure resistance Then exchange the Ohm meter leads and measure resistance again Calculate the average value of the two measurements and enter it a
43. eter concerned and as such cannot be edited The remaining items i e Sensor Constants Excitation Frequency Suppressed Flow Rate Language Sensor Number Sensor DN Errors Dose Correction Flow Direction and Base Frequency can be changed by the user unless the flow meter is certified and used as a commercial meter in such cases the sensor constants excitation frequency and suppressed flow rate are protected against unauthorised modification HP 315 40 Nor Mag Menu Production data depress Production date Serial number Software Sensor constants Excitation freq Suppressed flow Language Sensor number Sensor DN Errors Dose correction Flow direction Base frequency The two line display will always show two selected menu items To page through the menu items depress repeatedly push buttons direction downwards and upwards To select a particular menu item depress Menu Production data depress Production date depress The display will read Production Date dd mm yyyy This information cannot be edited To return to the Production data menu depress any push button for example The menu will reappear on the display Menu Production data depress Serial number depress The display will read Serial Number xxxxxrr This information cannot be edited To return to the Production data menu depress any push button for example The menu will reappear on the display Menu Production
44. eter programming mode The three flashing exclamation marks on the flow rate display will disappear 7 1 10 100 per cent Default value of the 100 Percent quantity is Qmax as specified for the sensor DN see the table of minimum and maximum flow rates in section 4 1 1 This default value can be reset in particular in cases where the actual maximum flow rate is lower than Qmax Menu 100 percent depress The display will read 100 Percent Using push button CJ move the cursor to the desired decimal position and increase decrease the selected figure by push buttons and respectively Replace xxxx by a number equal to the flow rate identified with 100 Depress The display will read Value Entered Press Any Key Press any key preferably 2 The basic programming menu will reappear on the display 7 1 11 Exit Select Exit to leave the programming mode and protect the meter from any unauthorised programming action Menu Exit depress EXIT New password Page through the menu using push buttons direction downwards and upwards The selected menu item appears on the first line with the first character blinking Select Exit and depress The display will read Write To EEPROM Press Any Key Press any key preferably 2 The meter programming mode will be terminated and the data display menu will appear on the display Use push buttons and amp to page downwards and upwards through the
45. f each item to be connected and locate the appropriate manual s and or drawing s ldentify all model numbers exactly before making any connections A number of options and accessories may be added to the main instrument which are not shown on the basic user wiring Consult the appropriate option or accessory user manual before connecting it to the system In many cases a system wiring drawing is available and may be requested from HOFFER FLOW CONTROLS This document contains proprietary information which is protected by copyright All rights are reserved No part of this document may be photocopied reproduced or translated to another language without the prior written consent of HOFFER FLOW CONTROLS INC HOFFER FLOW CONTROLS policy is to make running changes not model changes whenever an improvement is possible This affords our customers the latest in technology and engineering The information contained in this document is subject to change RETURN REQUESTS INQUIRIES Direct all warranty and repair requests inquiries to the Hoffer Flow Controls Customer Service Department telephone number 252 331 1997 or 1 800 628 4584 BEFORE RETURNING ANY PRODUCT S TO HOFFER FLOW CONTROLS PURCHASER MUST OBTAIN A RETURNED MATERIAL AUTHORIZATION RMA NUMBER FROM HOFFER FLOW CONTROLS CUSTOMER SERVICE DEPARTMENT IN ORDER TO AVOID PROCESSING DELAYS The assigned RMA number should then be marked on the outside of the return package and on any corre
46. ge at the current output is 20V the maximum resistance of the current loop therefore is 1 0000 7 1 4 Output functions The configuration of the induction flow meter includes two binary multifunctional outputs electrically isolated by means of optocouplers The output transistors of the optocouplers are accessible via terminals 12 13 and 14 15 These are passive outputs that need external power source Alternatively they can be powered by the analog output in the fixed current mode as described above The binary outputs can be loaded and repeatedly switch on and off currents 1 to 50mA Default settings Output 1 frequency output Output 2 impulse output Flow meter can be equipped with an output relay designated in the menu as item Relay Functions Electrically isolated relay contacts are accessible via terminals 1 2 3 For impulse output both the impulse width and the minimum gap length are set at 0 5s To ensure correct functioning of the impulse function it is necessary to set the output impulse constant the fluid volume per impulse so that the memory block of unsent impulses would never overflow Menu Output functions depress The display will offer the following selection OUT function OUT function RELAY function The two line display unit will always show two of the items from the above menu Use push buttons and CJ to page downwards and upwards through the menu items Menu Output functions depress
47. he flow rate values in time As soon as a preset fluid volume V passes through the meter an impulse of width ty is generated After each impulse a gap of at least tp follows If after elapsing of the tp period fluid volume V has not yet passed through the sensor the output remains inactive If the volume passed is equal to or greater than V another impulse plus gap are immediately generated Should the preset volume V pass before the end of the previous impulse the non generated impulse will be stored in an accumulator with the capacity of 255 impulses Should the impulse accumulator overflow an error message will be generated To ensure correct functioning of the meter impulse function it is necessary to set the impulse output parameters so that the expected impulse frequency shall correspond to the impulse width and gap length selected The volume per impulse parameter can be set within the range of 0 001 to 1 000 000 litres The impulse width and gap length can be set at 10 to 2 550ms in steps of 10ms The setting procedure consists of selecting numbers from 1 to 255 on the meter display Multiplied by 10 the figure shows the impulse width or gap length in milliseconds From the above it follows that the maximum impulse frequency is 50 per sec Regarding the flow rate conditions see below impulses can be generated in three different modes During the tu periods the output is closed Impulse frequency Impulse frequency Impulse freque
48. hen re assembling the unit proceed in reverse order of the above steps When replacing the processor FNP5 board set the flow meter configuration with respect to the flow sensor used Upon replacement of the analog FNA5 board the current output calibration at 4 00mA and 20 00mA will be disturbed When replacing the terminal FNS5 board mind the L165V integrated circuit mounted on an insulation plate and attached onto the unit box body The power source FNZ5 board in fitted onto the analog FNA5 board with its position secured by nuts M3 The keyboard replacement shall be done at the manufacturer s plant The keyboard shall be tight fitted onto the front unit panel to ensure the overall system protection class IP 67 Flow meter error Error removal rectification No text on display no back Unscrew bolts and remove cover lid on terminal board Check the power source light no reaction to keyboard voltage on FNS5 and the condition of fuse on FNS5 if necessary replace power commands board FNZ5 and or terminal board FNS5 Nonsensical reading Turn off and on power source perform the initial meter setting procedure see appearing on display below if need be replace processor board FNP5 and or keyboard Display shows flow rate values and does not react to Replace processor board FNP5 and or keyboard keyboard commands Upon depressing a key on keyboard display back light Replace processor board FNP5 fails to
49. ine menu HP 315 39 Nor Mag Menu Serial line depress Group depress The display will read Group Replace xxx by a number from 1 to 255 being the designation of a group of induction meters Depress The display will show the message Value Entered Press Any Key Press any key preferably This command will take you back to the Serial Line menu Menu Serial line depress Baud rate depress All equipment connected to a particular communication line branch shall use the same communication speed There are six optional selections of speed 1200Bd 2400Bd 4800Bd 9600Bd 19200Bd 38400Bd The two line display will always show two of the menu items To page through the menu use push buttons direction upwards and downwards Select the desired item and depress This action will bring the display to the Serial Line menu Menu Serial line depress 2 Parity depress Parity Parity SL Parity SS Parity LS Parity LL The two line display will always show two of the menu items To page through the menu use push buttons direction upwards and downwards Select the desired item and depress This action will bring the Serial Line menu on the display To return to the basic programming menu item Serial Line depress push button 7 1 7 Production data The first three menu items i e Production Data Series Number and Software give basic information on the induction flow m
50. ing and opening output functions Depress The display will read Value Entered Press Any Key Press any key preferably The display will return to the menu items Output 1 Function or Output 2 Function To return to the basic menu depress push button 0 Electrode cleaning in progress No cleaning While the electrode cleaning process is in progress the output is closed open Menu Output functions depress Output 1 2 function depress Cleaning in progress No cleaning depress The display will return to the menu items Output 1 Function or Output 2 Function To return to the basic menu depress push button HP 315 37 Nor Mag 7 1 5 Electrode cleaning During the meter operation non conducting substances may accumulate in the form of a layer on the sensor electrodes This increases the contact resistance between the electrode and the measured fluid and results in decreased measurement accuracy The FN 20XX flow meter offers a sensor electrode cleaning function without sensor dismantling The cleaning method is based on the electro chemical phenomenon where the electrodes are connected to an AC voltage source causing the accumulated layer to dissolve in the measured fluid It is recommended that the cleaning process be repeated in regular intervals The cleaning cycle lasts 1 minute Measurements are discontinued during the cleaning action while the immediately preceding flow conditions are being si
51. irst line Menu Production data depress Sensor number depress The display will read Sensor Number Using push button CJ move the cursor to the desired digital position and increase decrease the selected figure by push buttons and respectively Enter the sensor production series number maximum 10 digits Depress The display will read Value Entered Press Any Key Press any key preferably 2 The Production data menu will reappear on the display with the Sensor Number item selected Menu Production data depress Sensor DN depress The display will read Sensor DN Using push button move the cursor to the desired position and increase decrease the selected figure by push buttons and respectively Enter the sensor dimension maximum 10 digits Depress The display will read Value Entered Press Any Key Depress The Production Data menu will reappear on the display with the Sensor DN item selected Menu Production data depress 2 Errors depress The display will read 1 Error EEPROM 2 Overflow OUT1 Scrolling in menu is possible using push buttons down and O up Scroll to desired error and depress Display will read Active Non Active With buttons and set desired error feature and depress Then you can continue with setting of another error When finished depress 0 and return to item Errors HP 315 42 Nor Mag Menu Production data depress 2 Dose cor
52. l of a cover at the rear part of the box housing the electronic unit The cover is held in position by six socket head bolts A schematic diagram of the connections is shown on the rear side of the cover CURRENT OUTPUT Examples of labels showing power supply line voltage or 24VDC source and meter signal interconnection 6 2 1 Connection to Power Source Terminal 24V 115V 230V AC 50 60Hz Terminal 24VDC PE PE earthing conductor PE PE earthing conductor N N neutral conductor M M middle conductor U L phase conductor C L 24V To connect the power source use a standard cable of three conductors of square section not exceeding 3 x 1 5mm For ambient temperatures over 122 F use a cable with rated operating temperature of at least 194 F The box grommets will only accommodate cables with outer diameter between 4 and 8mm Use of any other cable would disturb the integrity of the IP 67 box The earthing conductor shall be longer than both the phase and neutral conductors This is a safety requirement as in the case of loosening the cable clamping in the gland the earthing conductor shall be the last to be disconnected from the terminal see clause 6 10 2 2 of standard EN 61010 1 The power supply line shall be protected by an overcurrent circuit breaker A seal should be applied on the breaker to prevent unauthorised handling The electronic unit has no inde
53. ld two coils are fitted onto the tube in parallel with the plane defined by the active parts of the measuring electrodes Now if a conductive liquid flows across magnetic field B voltage U will appear on the measuring electrodes proportional to the flow velocity v and the conductor length I U BxIxv U induced voltage B magnetic flux density distance between the measuring electrodes v liquid flow velocity As the magnetic flux density and distance between the electrodes are constant the induced voltage is proportional to the liquid flow velocity in the tube The value of the volume flow rate can then be readily determined as a product of the flow velocity and square section of the tube Q 2 v x S HP 315 1 Nor Mag 3 TECHNICAL DESCRIPTION 3 1 General The induction flow meter consists of a sensor through which the measured liquid flows and an electronic unit where the low level signal from the sensor is modified to a standardised form suitable for further processing in various industrial electronic devices The output signal is proportional to the volume flow rate of the measured liquid The only factor limiting the application of induction flow meters is the requirement that the measured liquid shall be conductive and non magnetic The induction flow meter can be designed either as a compact device or with the sensor separated from the associated electronic unit In the former case the electronic unit is fitted directly onto the me
54. meter version with the remote electronic unit accommodated in an IP 68 box The sensor and connecting cable are to be checked simultaneously On the side of the electronic unit the cable is terminated by a 9 pin Buccaneer connector via which all measurements shall be done IS X XXX IP X XX IP68 e 7 6 3 5 5 2 2009 Example Measurement of R1 Connect Ohm meter to connector pins 4 and 1 and measure resistance Then exchange the Ohm meter leads and measure resistance again Calculate the average value of the two measurements and enter it as Measured Value into the table below Parameter Description Measured value R1 Coil to sensor body insulation resistance gt 2 R2 Excitation coil resistance 36 to 440 R3 Measuring electrode to sensor body insulation resistance gt 2 R4 Measuring electrode to sensor body insulation resistance gt 2 R5 Measuring electrode to connector pin connection short circuit R6 Measuring electrode to connector pin connection short circuit R7 Insulation resistance between measuring electrodes gt 2 R8 Interconnection of connector pins 1 and 6 short circuit R9 Earthing electrode to sensor body connection short circuit R10 Dry condition electrode to sensor body insulation resistance gt 2 R11 Dry condition electrode to sensor body insulation resistance gt 2 R12 Dry condition electrode to
55. mulated The cleaning action can be indicated using the multifunctional outputs While the cleaning process is in progress the message Cleaning Electrodes can be seen on the top display line The bottom line shows the last value of the selected measured quantity As soon as the cleaning action is over the meter resumes normal measurements There are several ways of initiating the electrode cleaning cycle Menu Electrode cleaning depress Cleaning OFF Single cycle During Power ON Periodic day The two line display unit will always show only two of the four menu items Use push buttons and to page downwards and upwards through the menu items Select the desired item and depress The display will return to the basic menu item Electrode Cleaning Upon selecting the Single cycle option the cleaning process will immediately start On completion of the cleaning cycle the meter will return to the Cleaning OFF status The selection of During Power ON implies that a cleaning process will be initiated wherever line voltage is switched on In the Periodic Day mode of operation cleaning processes will be initiated automatically in regular intervals to be chosen by the user from the range 1 to 255 days The time counting process will always start upon setting a new cleaning period Comment When using a supply voltage source 24V AC DC the electrode cleaning function is inoperative Menu Electrode cleaning depress
56. ncy Flowrate Impulses for Q Impulses for Q Impulses for Q 9 Flow rate Menu Output functions depress Output 1 2 function depress 2 Impulses for Q depress The display will read Impulse Width 1 xxx Move the cursor using push button CJ and increase decrease the values at various x positions using push buttons or respectively Replace xxx by a figure which when multiplied by 10 will give the impulse width ms Depress The display will read Value Entered Press Any Key Press any key preferably The display will then show the message Gap Length 1 xxx Move the cursor using push button and increase decrease the values using push buttons 9 or respectively Replace xxx by a figure which when multiplied by 10 will give the gap length in ms Depress The display will read Value Entered Press Any Key Press any key preferably The display will then show the message Volume Per Impulse 1 xxxxxxx Move the cursor using push button and increase decrease the x values using push buttons 9 or respectively Replace xxxxxxx by a figure equal to the desired fluid volume per impulse This figure is elsewhere referred to as the impulse constant or impulse number Depress The display will read Value Entered Press Any Key Press any key preferably This will return the display to the menu items Output 1 Function or Output 2 Function To return to the b
57. ng sections with angles not exceeding 8 can be taken for straight sections In the cases where the liquid is pumped the flow sensor shall always be placed at the output side of the pump to prevent underpressure in the piping which might damage the sensor The required length of the straight piping section between the pump and sensor is then at least 25 DN Pump in the piping Closing valve in the piping For the same reason the sensor shall be always placed before the closing valve in the piping HP 315 15 Nor Mag The sensor can be fitted in the piping in either horizontal or vertical position However make sure that the electrode axis is always horizontal and if the sensor is mounted in a horizontal position the flange section for attachment of the electronic unit box faces upwards Electrode axis Electrode axis Sensor mounted in a vertical position In the cases where the sensor is mounted in a vertical position the flow direction shall always be upwards Risk of liquid aeration Permanent flooding of sensor To ensure correct meter function at all times the measured liquid shall completely fill up the sensor and no air bubbles shall be permitted to
58. nit Program and Simulation Software Project design assembly and service manual NORMAG SF 1 0 sensor simulator plus connecting cable to NORMAG meter Es90254K a Floset 2 0 program distributor Es90503D customer Es90504D Personal computer with Windows 2000 or a higher upgrade thereof USB 2 0 communication cable with connector USB type A at one end and connector USB type B at the other end Fixture for checking outputs of NORMAG including flat connecting cable Es90355K a 8 3 Flow meter Repair Procedure Prior to any maintenance or repair action on the internal parts of the meter control unit including the power source PC boards display unit keyboard etc make sure that the supply voltage is disconnected Warning disregarding this instruction implies risk of electric shock A flow meter in the ECONOMIC configuration can be tested using a computer connected to the meter by means of an USB serial communication line and using the FLOSET program Alternatively connect a display unit and keyboard to the FNP5 processor board of the meter to be checked or repaired and carry out the test as with the COMFORT configuration The meter in the COMFORT configuration includes a keyboard and display unit The procedures described in this manual are focused on identification of a defective board or system component The serviceman shall have available replacement boards tested and preset by the meter manufacturer The repair procedure consists of r
59. oard FNAS terminal board FNS5 and or processor board FNP5 Irregular function of output relay Check output relay using the open and short circuit modes with Ohm meter connected at the output replace terminal board FNS5 analog board FNA5 and or processor board FNP5 Unstable flow rate readings on display In reference to meter manual check the sensor and measured fluid earthing connections in the case of distributed meter version check signal interference via cable connecting meter sensor and electronic unit connect sensor simulator at cable end and interference via power supply cable use line voltage filter The initial flow meter setting procedure With the meter power source turned off depress simultaneously and keep depressed keys and turn on the power and wait till the display starts showing the flow rate values This operation is used to activate the meter electronic unit in production The initialisation procedure cancels previous meter calibration and output settings and replaces these by factory preset parameters Therefore in the next step the customised meter setting needs be performed There are two possible methods available to do that 1 Parameter setting via the meter keyboard Enter the programming menu using password 0000 see the Project design assembly and service manual NORMAG Enter the parameters specified on the sensor rating plate excitation frequency threshold sup
60. on HFC does not warrant these goods to meet the requirements of any safety code of any state municipality or other jurisdiction and Purchaser assumes all risk and liability whatsoever resulting from the use thereof whether used singly or in combination with other machines or apparatus This warranty shall not apply to any HFC goods or parts thereof which have been repaired outside HFC s factory or altered in any way or have been subject to misuse negligence or accident or have not been operated in accordance with HFC s printed instructions or have been operated under conditions more severe than or otherwise exceeding those set forth in the specifications for such goods THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE HFC SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE RESULTING DIRECTLY OR INDIRECTLY FROM THE USE OR LOSS OF USE OF THE GOODS WITHOUT LIMITING THE GENERALITY OF THE FOREGOING THIS EXCLUSION FROM LIABILITY EMBRACES THE PURCHASER S EXPENSES FOR DOWNTIME OR FOR MAKING UP DOWNTIME DAMAGES FOR WHICH THE PURCHASER MAY BE LIABLE TO OTHER PERSONS DAMAGES TO PROPERTY AND INJURY TO OR DEATH OF ANY PERSONS NEITHER ASSUMES NOR AUTHORIZES ANY PERSON TO ASSUME FOR IT ANY OTHER LIABILITY IN CONNECTION WITH THE SALE OR USE OF HFC s GOODS AND THERE ARE NO ORAL AGREEMENTS OR WARRANTIES COLLATERAL TO OR AFFECTING THE AG
61. on password entry push button 4 Push button referred to as the Enter push button The meter display makes possible reading of different types of data To switch to the desired data display mode use push buttons direction downwards and direction upwards To display temporary data depress push button Depress push button again to return to the total data display mode HP 315 21 Nor Mag 1 Flow rate Average flow rate determined from the specified number of sample readings The value is also used for calculation of other measured quantities Flowrate 120 678 gal m Display reading Flow rate 2 Total volume The total volume of the fluid passed through the meter sensor in the direction of the arrow on the sensor body since the measurement start or the temporary volume i e the volume of fluid passed since the last resetting of the temporary volume data Total volume Temp volume 1234 567 gal 765 432 gal Display reading Total volume 3 Total volume The total volume of the fluid passed in the direction against the arrow on the sensor body since the measurement started or the temporary volume since the last resetting of the temporary volume data Total volume Temp volume 123 456 gal 65 321 gal Display reading Total volume 4 Total difference The difference between fluid volumes passed in the positive and negative directions since the m
62. onfiguration connector pins 7 and 8 are free and resistances R10 R11 and R14 need not be measured If the earthing electrode is missing parameter R15 need not be measured 8 3 3 3 Checking the condition of the cable connecting sensor and associated electronic unit Important notice Prior to checking the condition of the connecting cable disconnect the flat connector on the side of the electronic unit After the check plug the connector in again Remove the cover at the rear side of the electronic unit box The cover is held position by means of six socked screws With the cover removed loosen and remove two RSK pin nuts using size 5 Alien wrench Then the front panel can be lifted off mind the flat keyboard cable Disconnect the keyboard Pull out the electronic block including the FNA5 FNP5 and FNZ5 boards by some 20mm disconnect the connector of the flow sensor from the analog board FNA5 and remove the block from the unit box When re assembling the unit proceed in reverse order of the above steps During the inspection the connecting cable shall be disconnected from both the meter sensor and the electronic unit Check the integrity of individual cable conductors insulation resistance between the cable conductors and insulation resistance between each cable conductor and shielding The shielding connection is on the side of the meter sensor only HP 315 56 Nor Mag 8 3 4 Checking the condition of flow meter sensor the distributed
63. pendent power switch The recommended rating of the overcurrent circuit breaker is 4 to 6A HP 315 19 Nor Mag 6 2 2 Output Signal Connections Terminal Polarity Function Comments 1 Switching contact Change over contact Optocoupler insulated contact 2 Central contact Output relay 0 3A 30VDC 3 Break contact optional 4 ces MENT Active output max loading Rz 1 0000 5 No external power source needed 6 RS 485 To be directly connected 8 Dosing optional 9 Cathode input 1 Passive input 5VDC 10mA 10 Dosing optional Passive output requires external power 11 Binary output 3 source and loading resistor 12 output requires external power 13 source and loading resistor 14 Passive output requires external power 15 Optocoupler emitter u source and loading resistor The output terminals can be connected to co operating electronic equipment using standard shielded signal cables of external diameter 3 to 6 5mm and conductor cross section 0 5 to 1 5 Shielded conductors shall also be used to connect all output signals and the communication line where the shielding shall be connected to the earth potential on the side of the plant control system Upon connecting the conductors to the terminals tighten the bolts holding the electronic box cover and check the grommet sealing The unused grommets shall be blinded 6 3 Connection Between Sensor and Electronic
64. power source The overall arrangement shall be such that the potentials of the measured liquid at the sensor input and output sides are close to the ground With a flanged sensor installed in electrically conductive piping the flanges shall be electrically connected with the piping and the piping put to earth Flange earthing connection Earthing rings Should the adjoining piping sections be non conductive earthing rings or similar arrangement shall be used to ensure that the electric potential of the measured liquid is put to earth With a flangeless sensor the flanges clamping the sensor shall be electrically connected and the connecting conductor interconnected with the earthing point on the sensor Flangeless sensor With the distributed meter version to ensure potential equalisation it is recommended to connect the flow sensor body with the electronic unit box using a copper conductor of cross section 4mm HP 315 17 Nor Mag 6 LOW METER INSTALLATION AND OPERATIONAL START The meter installation work shall be performed in strict observance of the procedures and rules described in this man
65. press 1 6 25 Hz 2 3 125 Hz 3 1 0 Hz 4 0 5 Hz To page through the menu items use push buttons direction downwards and upwards Select the desired frequency and depress Menu Production data depress Excitation frequency depress JJ 2 3 125 Hz depress The Manufacturing data menu will reappear on the display with the item Excitation Frequency on the first line Menu Production data depress Suppressed flow depress The display will read Suppressed Flow xxxxx This parameter is usually set at 0 5 Qmax and may be increased in cases where it can be demonstrated that while no fluid flows through the meter sensor the meter indicates a non zero flow rate Using push button move the cursor to the desired position and increase decrease the selected figure by push buttons 9 and respectively Replace xxxx by a number equal to the desired value of suppressed flow rate Depress The display will read Value Entered Press Any Key Press any key preferably The Production Data menu will reappear on the display with the item Suppressed Flow Rate selected Menu Production data depress Language depress The display will read CZ Czech EN English To page through the menu items use push buttons direction downwards and upwards Select the desired language and depress The Production Data menu will appear on the display with the Language option on the f
66. pressed flow rate language sensor number and DN Further it is necessary to define fluid volume units to be displayed and to set up the output configuration 2 Parameter setting using a computer and the USB serial communication line The programming software Floset 2 0 is supplied by the manufacturer Elis Plze a s Fill in the meter specific data into the respective Floset 2 0 tables and store them into the meter memory unit A more practical way of parameter setting is re writing the pre set values by the meter configuration file system production series number fln Feed the configuration file into the Floset 2 0 program and store it into the meter memory The configuration file can be obtained from the meter manufacturer HP 315 50 Nor Mag 8 3 1 KV 1 0 Fixture for checking the meter outputs Schematic drawing RELAY OUT ON RELAY OUT OFF CURRENT METER BUTTON o DOSE START OUT 3 DOSE Fixture application Disconnect external equipment from the meter terminal board Connect fixture KV 1 0 to the terminal board of the NORMAG flow meter under test using a flat cable Make sure that the fixture terminals are connected to corresponding meter terminals Switch on the fixture battery Enter the programming menu see the meter manual Checking the analog current output Set fixed current at specific value e g 10 0mA Connect Amp meter into the respective socket contacts on the fix
67. r flow measurements of technical water condensate and in similar applications Where the temperatures are likely to exceed 212 F it is safer to use Teflon lining Teflon Teflon PTFE lining is a universal solution for highly corrosive liquids and temperatures ranging from 4 to 302 Typical applications are in the chemical and food processing industries E CTFE E CTFE lining is a universal solution for flow meters from 12 and higher for corrosive liquids and temperatures ranging from 4 to 255 F Typical applications are in the chemical processing industries 4 1 5 Compact or distributed meter version The distributed meter version is to be used at the measurement spots with ambient temperature exceeding 122 F where the reliable function of the electronic unit would not be ensured at all times In such cases use the distributed meter version and place the separate electronic unit at a location where the ambient temperature never exceeds 122 F To prevent electromagnetic interference via the connecting cable the sensor and separate electronic unit of the meter in the distributed version should be located as close as possible to one another The maximum cable length depends on the conductivity of the measured liquid see the following diagram Cable UNITRONIC HP 315 10 Nor Mag 4 1 6 Sensor Dimensions of flanged sensor dimensions for various rated diameters DN
68. rection depress The display will read Dose Correction xxxxx The value specified here will be added or subtracted from the earlier specified dose size Move the cursor by repeated actuation of push button and set the desired value by push buttons and increase decrease The five x should be replaced by a figure representing the dose correction in the given volume units Confirm your selection by depressing The display will read Value Entered Press Any Key Depress This takes you back to the Production Data menu item Dose Correction Menu Production data depress Flow direction depress The first display line will show A the second line A lt The first line applies Select the correct information by push button then depress The display will read Value Entered Press Any Key Depress The Production Data menu will appear on the display with the Flow Direction item selected Menu Production data depress J Base frequency depress The display will read Base Frequency LXXX Move the cursor by repeated depressing of push button and set the desired value by push buttons 9 and increase decrease The X es should be replaced by a figure equal to the base frequency in Hz specified in the table shown in section 7 1 4 Then depress The display will read Value Entered Press Any Key Depress This takes you back to the Production Data menu item Base
69. rent can be set within the range of 0 to 20mA This mode is used for meter servicing purposes Menu Analog output depress Fixed current 0 20 depress 2 Fixed current 0 20mA Move the cursor using push button and increase decrease the current value using push buttons and Select the desired current value and confirm the setting by depressing The display will then read Value Entered Press Any Key Press any key preferably 2 This action will take you back to the main menu item Analog Output At the same time the defined current will start to flow through the output circuit The following graphs show the relationships between current and flow rate Q for various operational modes Output current for 0 Q Output current for 0 Q Output current for Q Output current for Q Q HP 315 29 Nor Mag Examples of analog output interconnections Equipment with a current input 2 pieces of equipment with current inputs Outputs 1 and 2 serving the purpose of identifying fluid flow direction Multifunctional outputs programmed to identify the fluid flow direction and to negate the flow direction will divide the analog output operated in the Absolute Flow Rate Value mode into two outputs one for each flow direction Equipment with voltage input Current output connected as a voltage source to feed the passive output 2 The output voltage for the co operating equipment is defined as
70. s Measured Value into the table below Parameter Description Measured value R1 Coil to sensor body insulation resistance gt 2 R2 Excitation coil resistance 36 to 440 R3 Measuring electrode to sensor body insulation resistance gt 2 R4 Measuring electrode to sensor body insulation resistance gt 2 R5 Measuring electrode to connector connection short circuit R6 Measuring electrode to connector connection short circuit R7 Insulation resistance between measuring electrodes gt 2 R8 Earthing electrode to sensor body insulation resistance gt 2 R9 Earthing electrode to connector connection short circuit R10 Dry condition electrode to sensor body insulation resistance gt 2 R11 Dry condition electrode to sensor body insulation resistance gt 2 R12 Dry condition electrode to connector connection short circuit R13 Dry condition electrode to connector connection short circuit R14 Insulation resistance between dry condition electrodes gt 2 Comments If the electrodes indicating the not fully flooded dry piping condition are not included in the sensor configuration connector pins 7 and 8 are shorted and parameters R10 through to R13 need not be measured The R14 measurement will indicate a short circuit condition If the earthing electrode is missing connector pin 6 remains unconnected and parameters R8 and R9 need not
71. s 4 and 5 is a programmable current output It is an active current output insulated from other meter parts The maximum output load is 1 0000 Depending on the fluid flow characteristics the output can be used in four different modes of operation see the graphs below and in two selectable measurement ranges The two line display unit will always show two of the items from the following menu Use push buttons and to page downwards and upwards through the menu items Menu Analog output depress 0 Q Output 0 Q Output Q Output Q Q Output Fixed current 0 20 In all operational modes excepting the Fixed Current mode the current output range can be user defined HP 315 28 Nor Mag Menu Analog output depress Output 0 Q depress Output 0 20mA Output 4 20mA Selection of current output Menu Analog output depress Output 0 Q depress Output 0 20mA depress Flow rate for Imax The current output setting consists of defining flow rate Qmax corresponding to Imax Move the cursor using push button and increase decrease the Qmax value using push buttons and Select the desired Qmax and confirm the setting by depressing The display will then read Value Entered Press Any Key Press any key preferable the push button This action will take you back to the main programming menu item Analog output In the Fixed current mode the output cur
72. s 5 uS cm The signal processing electronic unit includes a two line alphanumeric display to show the measured values where various operational parameters of the meter can be selected by means of an associated keyboard Available are two passive binary outputs indicating frequency impulse and or specified limit values one active current output and an output to connect a digital communication line All meter functions and output parameters can be reset during the meter operation If the meter is to be used as a commercial invoicing meter some of its functions are blocked to prevent the user from interfering with the meter readings Should the need arise the user may combine any sensor of the IS X XX type series with any electronic unit C 6 00 or C 7 00 without re calibration of the meter on a test stand however such calibration is required for commercial meters The only thing that needs be done is to enter into the electronic unit memory the calibration constants and excitation frequency of the selected sensor these data are given on the rating plate of the sensor The value of threshold flow rate shall be set between 0 5 and 196 of the specified maximum flow rate 2 MEASUREMENT PRINCIPLE The function of an induction flow meter is based on Faraday s induction law The meter sensor consists of a non magnetic and non conductive tube with two embedded measuring electrodes to pick up the induced voltage To create an alternating magnetic fie
73. sed The cable wires are to be connected to terminals 6 and 7 The flow meter found at the end of the communication network shall be provided with jumper W1 with a terminal resistor 120 R Jumper W1 is located on the terminal board FNS1 between the terminal strip and lightning arrestor Flow Meter 1 Flow Meter 2 Flow Meter 3 Flow Meter 4 Connection of flow meters to an RS 485 communication line Communication Communication consists of transmission of individual data packets To ensure correct function of a communication network each station must have a different address On delivery all induction flow meters will have the following setting of communication parameters Address 1 Group 1 Speed 9600Bd Parity SL Communication uses the FLOSET 2 0 program package The communication protocol is not included in this brochure it can be obtained from the meter manufacturer on request Menu Serial line depress Address Group Baud rate Parity The two line display will always show two of the menu items To page through the menu use push buttons direction upwards and downwards Select the desired item and depress Menu Serial line depress 2 Address depress The display will read Address xxx Replace xxx by a number from 1 to 255 being the meter address Depress The display will show the message Value Entered Press Any Key Press any key preferably This command will take you back to the Serial L
74. setting is done by means of the meter keyboard and display To set the uniform output impulse mode 1 Enter the programming menu select Production Data and check the sensor size e g DN40 Return to the basic menu Select Output Functions depress Enter Select Output 2 Function depress Enter Select Frequency for Q or Frequency for or Frequency for Q depress Enter Set the value of flow rate per 1 kHz with respect to the sensor dimension In our case for DN40 Qmax is 12 5 1 5 see the table below Return to the basic menu Select Production Data depress Enter Select Base Frequency depress Enter Enter the value shown in the table In the case of DN40 the base frequency value is 8 192 Return to the basic menu and leave the programming menu by selecting Exit Install jumper W2 3 4 on analog board FNA5 see the table The position of jumper W2 determines the output voltage divider parameters This is all you need to do to set uniform output impulses Comment If the actual flow rate unit is other than litres per second l s the value of 12 5 l s needs be HP 315 recalculated For example if the actual unit is m3 h multiply 12 5 by 3 6 45 m3 h enter this value as the Flow Rate Per 1 kHz parameter Uniform output impulse setting table Calorimeter impulse Flow Output Base Jumper constant sensor frequency frequency position on litres per impulse Hz Hz board FNA5
75. spondence FOR WARRANTY RETURNS please have the FOR NON WARRANTY REPAIRS OR CALIBRATIONS following information available BEFORE consult HOFFER FLOW CONTROLS for current contacting HOFFER FLOW CONTROLS repair calibration charges Have the following information HFC 9708 1 P O number under which the product was available BEFORE contacting HOFFER FLOW CONTROLS P O number to cover the COST of the repair calibration PURCHASED 2 Model and serial number of the product and Model and serial number of the product 3 Repair instructions and or specific problems relative to the under warranty and product Repair instructions and or specific problems relative to the product LIMITED WARRANTY HOFFER FLOW CONTROLS INC HFC warrants HFC s products goods described in the specifications incorporated in this manual to be free from defects in material and workmanship under normal use and service but only if such goods have been properly selected for the service intended properly installed and properly operated and maintained This warranty shall extend for a period of one 1 year from the date of delivery to the original purchaser or eighteen 18 months if the delivery to the original purchaser occurred outside the continental United States This warranty is extended only to the original purchaser Purchaser Purchaser s sole and exclusive remedy is the repair and or replacement of nonconforming goods as pro
76. sure 87 PSI to 580 PSI The choice of rated pressure is primarily derived from the maximum operational pressure of the measured liquid taking into account the size of the flanges on the associated piping Consideration shall also be given to the liquid temperature Relationship between operational pressure and temperature of the measured liquid HP 315 9 Nor Mag 4 1 3 Selection of electrode material In most cases electrodes made of stainless steel quality grade 1 4571 17248 are satisfactory However in special applications it may be necessary to select a higher quality material On request the meter manufacturer may supply electrodes made of platinum tantalum titanium or Hastelloy C4 4 1 4 Selection of sensor tube lining The sensor lining material selection depends on the operational parameters of the measured liquid Technical rubber This lining material is suitable for less corrosive liquids and operational temperatures between 32 and 176 F It is sufficient for most applications in water supply and waste water treatment plants Technical rubber is available in two grades HR hard rubber and SR soft rubber Soft rubber lining is recommended for liquids containing abrasive particles such as sand grains Resistant rubber Designated SPR resistant heavy duty rubber is recommended for use with liquids of medium corrosiveness and operational temperatures between 32 and 194 It is suitable fo
77. t places including the decimal point the calculated value will be displayed alternately with the selected measurement unit HP 315 24 Nor Mag 6 5 3 2 Data reset The user is not permitted to reset the aggregate data values under items 2 3 4 and 5 Resetting is only possible with running temporary values associated with items 2 3 4 and 5 accessible via push button another depression of push button 2 will return the display to the total value display mode When a temporary value is displayed depress push button discontinue the temporary value mode and depress push button to reset the temporary value By depressing any of push buttons O O and after that push button return to the total value display mode If you stop the temporary mode and wish not to reset the temporary value depress any of push buttons 9 whereby the count continues To return to the total value mode depress push button This procedure will reset the edited temporary value only the other temporary values will be unaffected 7 PROGRAMMING The induction flow meter can be programmed in two ways using a computer connected to the serial meter interface or using its own keyboard The following description concerns the keyboard push button programming procedures The keyboard includes four push buttons provided with the following symbols 1 Push button the roller push button direction downwards 2 Push button mov
78. ter sensor in the latter case it is connected to the sensor by a special cable The sensor design shall take into consideration the type of the measured liquid and its operational parameters To facilitate fitting into the liquid piping the sensor can be provided with end flanges screwing or it may be of a sandwich design The electronic unit is supplied in two basic versions COMFORT or ECONOMIC The supply voltage types of output signal and communication interface can be selected according to the customer requirements The basic configuration of the induction flow meter includes two insulated passive binary outputs each with an optocoupler including a transistor output and the USB communication interface This interface is not insulated as it is used for calibration purposes only Optional accessories to this basic configuration are insulated current output and insulated RS 485 communication interface output relay INPUT1 and OUTPUTS for batching all these electrically insulated from the electronic unit circuitry HP 315 2 Nor Mag 3 2 Meter Design 3 2 1 Distributed Version Flanged sensor connected by a cable with the associated separate electronic unit Dimensions of the box to accommodate separate electronic unit and the mounting bracket Economic Comfort 6 06 06 HP 315 3 Nor Mag 3 2 2 Compact Version Compact design solution for a flanged sensor with associated electronic unit Dimensions of the box
79. the ECONOMIC version or fitted with a two line background illuminated display unit and a four button membrane keyboard the COMFORT version of the meter Prior to putting the meter in service check the correct sealing of all active glands blinding of the unused ones and tightening of the bolts holding the terminal board lid HP 315 13 Nor Mag 4 2 1 Electronic unit specifications Line Sizes 1 2 to 12 Available up to 48 DN 15 1200 Minimum Conductivity of measured Liquid 20uS cm on agreement with the manufacturer down to 5uS cm Electrode Material Stainless steel Hastelloy C4 platinum tantalum Ambient Temperature 23 F to 131 5 C to 55 Sensor Lining Soft or hard rubber Teflon Design Version Electronics Meter Mounted or Remote Mounted Piping Connection Flanges or Wafer Max Temperature of Measured Liquid Up to 311 F 155 C depending on sensor lining Current 0 4 to 20mA Frequency 0 to 1 000 Hz Pulse 0 001 to 1 000 liters per pulse Communication line USB RS 485 Outputs insulated Power Supply 24 115 230V 1095 50 to 60 Hz AC 24V 10 DC Protection Class IP67 IP68 HP 315 14 Nor Mag 5 METER APPLICATION RULES 5 1 Sensor Placement in Piping No chemical injection or batching unit such as chlorine compound injector should be located at the input side of the sensor The insufficient homogeneity of the flowing liquid may affect the flow rate values indicated by the met
80. tion application Should you open the zero setting programming mode by mistake not wishing to change the zero setting proceed using the Cancel Zero setting sequence of commands Menu Zero setting depress The display will read Setting Completed and show the flow rate as indicated by the meter prior to entry to the programming mode Make a note of this value as it cannot be otherwise reconstructed once the new zero setting has been completed Depress The basic programming menu will reappear on the display with the Zero Setting item selected HP 315 43 Nor Mag The new zero setting will become effective upon leaving the meter programming mode At the same time three flashing exclamation marks will appear on the display showing the actual flow rate values Flowrate II 110 7 gal m The flow rate display image with the zero setting effective The actual zero setting can be changed at any time by repeating the above Zero Setting procedure Cancellation of the actual zero flow rate setting Menu Zero setting depress The display will read Setting Completed and show the flow rate as indicated by the meter prior to entry to the programming mode Depress amp The display will read Setting Cancelled while the flow rate value will remain unchanged Depress The basic programming menu will reappear on the display with the Zero Setting item selected The cancellation of zero setting will take effect upon leaving the m
81. to accommodate the flow meter in the compact design version Economic Comfort 6 06 HP 315 4 Nor Mag 3 2 3 Protection of commercial meters against unauthorised handling If the meter is to serve commercial purposes it shall be provided with official and assembly seals Installation of commercial meters is reserved to duly authorised organisation s Placement of official and assembly seals on meters in compact and distributed versions Assembly seal Official seal HP 315 5 Nor Mag 3 2 Model Number Designation MODEL NN NOMINAL SIZE END CONNECTIONS LINER MATERIAL ELECTRODE MATERIAL POWER SUPPLY GROUNDING ELECTRONICS OPTIONAL SERIAL COMMUNICATI ONS OPTIONAL BATCH CONTROL EMPTY PIPE DETECTION 2 SIZE AND ABOVE SPECIAL FEATURES NOMINAL SIZE MODEL NM XC X X X X X SIZE A 1 2 3 3 4 4 1 5 11 4 6 11 2 8 2 10 2 12 12 END CONNECTION MODEL NM 5 C C C X XX OPTION FICS RF ANSI 1507 CARBON STEEL CS FISS ANSI 1507 STAINLESS STEEL SS W1CS WAFER STYLE FOR ANSI RF 1502 CS LINER MATERIAL MODEL NM DAC XC X X X X X OPTION 1 SOFT RUBBER 176 MAX 2 HARD RUBBER 176 F MAX 3 HIGH TEMP RUBBER 194 F MAX 4 PTFE TEFLON 300 MAX 1 2 THRU 8 SIZES 5 E CTFE 266 F MAX 10 AND 12 SIZES ONLY ELECTRODE MATERIAL MODEL D X XX x OPTION 1 STAINLESS
82. ture and check the current value Checking output OUT1 Select the short circuit Closed mode and check that signal light OUT1 will light up Select the open circuit Open mode and the same signal light should go out Checking output OUT2 Select the Closed mode and check that signal light OUT2 will light up Select the Open mode and the same signal light should go out HP 315 51 Nor Mag Checking the relay function Select the Closed mode and the signal light associated with the contact indicating the energised relay status RELAY OUT CLOSED will light up Select the Open mode and the signal light indicating the energised relay status should go out and the signal light associated with the normally closed contact RELAY OUT OPEN will light up Checking the dosing function DOSE START and OUTPUT3 Select the Dosing Display mode The dose size may be set at 500 liters or otherwise Return to the Dosing Display mode of operation Depress push button DOSE START on the verification fixture While the push button is depressed the DOSE START signal light will be up and DOSE OUTPUTS signal light will be off Provided the fluid flows or it is simulated by Simulator SF 1 0 dosing starts immediately Signal light OUTPUT3 DOSE will light up following completion of the dosing operation Turn the battery switch into the OFF position Upon completion of the above checks disconnect the KV 1 0 fixture from the meter t
83. ual To prevent undesirable interference the power cables shall be laid at least 25cm away from all signal cables The signal cables include the cable connecting the sensor and the associated electronic unit in the case of a distributed meter version output signal cables and the cable of the RS 485 communication line All cables shall be laid outside the thermal insulation layer on the piping if any Only shielded conductors shall be used to connect the output signals and the RS 485 line where the shielding shall be connected to the earth potential on the side of the plant control system In applications where high levels of electromagnetic field interference at the measuring location can be expected e g in the vicinity of power frequency converters the distributed meter version should be avoided In these cases it is also recommended to include a filter in the power supply line to the electronic unit Filter specification The filter is intended to suppress dissemination of the undesirable high frequency disturbances from the power supply cable to the flow meter system Use any commercial filter of suitable parameters including protection class and install it is close to the meter as possible If need be the filter can be placed in a special protection housing When installing the filter observe the applicable safety regulations Rated voltage 250V 50Hz Rated current 0 5A and more Suppression characteristic 10kHz 10 to 20dB 10MHz
84. uid resistance between measuring electrodes R8 Interconnection of connector pins 1 and 6 short circuit R10 Interconnection between connector points 2 and 6 short circuit R11 Fluid resistance between dry condition electrode and sensor body R14 Fluid resistance between dry condition electrode and sensor body R15 Fluid resistance between dry condition electrodes Fluid resistance between earthing and dry condition electrodes Comments If the electrodes indicating the not fully flooded dry piping condition are not included in the sensor configuration connector pins 7 and 8 are free and resistances R10 R11 and R14 need not be measured If the earthing electrode is missing parameter R15 need not be measured either HP 315 58 Nor Mag 8 3 5 Checking the condition of induction flow meter using the meter diagnostic module of the Floset 2 0 program Connect your computer via an USB communication cable to the NORMAQ induction flow meter Start the Floset 2 0 program and verify the connection to the flow meter under test Select the Diagnostics module and initialise it Module functions reading of all measured flow rate and volume values and indicated errors recording of repeated value readings into specified files visualisation of meter manufacturing information System diagnostics and printout of the diagnostic report For more detailed information see Guide to Floset 2 0 application Comment f the meter configuration
85. unctional output RELAY is set for impulse output and the memory block storing the unsent impulses overflows WDOG the processor reset condition due to the overflow in the timer controlling the length of the programming loop Not fully flooded piping Open current loop in the impulse generation circuitry of the meter sensor Error in 5V power line Error in 24V power line Error in 5V power line Actual flow rate exceeded the selected Imax value Failure in frame receipt confirmation while communicating via a serial line Error no processed Error indication mode enabled error information is displayed and entered into the error register Some errors result in setting the indicated flow rate at zero Error indication mode disabled the error information is entered into the error register 8 Dosing Dosing is visible and functional provided this data display mode has been selected The selected fluid volume dose will wait for the active initiation signal to be brought to terminals 8 9 As soon as such signal is received a count towards zero will commence Upon reaching zero OUTS will close The dosing action can be repeated by depressing push button To interrupt dosing use push button To set the required dose follow the respective procedure in the programming menu Dosing mode 500 00 Display reading Dosing mode 6 5 3 1 Display formats of aggregate values If the displayed value occupies more than 11 digi
86. vided in the following paragraphs In the event Purchaser believes the goods are defective the goods must be returned to HFC transportation prepaid by Purchaser within twelve 12 months after delivery of goods or eighteen 18 months for goods delivered outside the continental United States for inspection by HFC If HFC s inspection determines that the workmanship or materials are defective the goods will be either repaired or replaced at HFC s sole determination free of additional charge and the goods will be returned transportation paid by HFC using the lowest cost transportation available Prior to returning the goods to HFC Purchaser must obtain a Returned Material Authorization RMA Number from HFC s Customer Service Department within 30 days after discovery of a purported breach of warranty but no later than the warranty period otherwise such claims shall be deemed waived See the Return Requests Inquiries Section of this manual If HFC s inspection reveals the goods are free of defects in material and workmanship or such inspection reveals the goods were improperly used improperly installed and or improperly selected for service intended HFC will notify the purchaser in writing and will deliver the goods back to Purchaser upon i receipt of Purchaser s written instructions and ii the cost of transportation If Purchaser does not respond within thirty 30 days after notice from HFC the goods will be disposed of in HFC s discreti

Nor-Mag Magnetic Flowmeters

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