Magnetic - inductive flowmeter type PEM
Contents
1. ducts Table for 1 m s flowrates Constructional dimensions and weights of inductive sensors Dimensions mm Weight DN m h I min l s DN PN A B D1 D2 d n kg 10 0 283 4 712 0 079 10 16 150 153 90 60 14 4 2 5 15 0 637 10 62 0 177 15 or 200 155 95 65 14 4 2 5 20 1 131 18 85 0 314 20 160 105 75 14 4 3 25 1 767 29 452 0 491 25 167 115 85 14 4 3 5 32 2 895 48 255 0 804 32 180 140 100 18 4 5 40 4 524 75 398 1 257 40 185 150 110 18 4 6 50 7 069 117 81 1 964 50 200 191 165 125 18 4 7 65 11 946 199 1 3 318 65 209 185 145 18 4 8 80 18 096 301 59 5 027 80 224 200 160 18 8 9 5 100 28 274 471 23 7 854 100 250 245 220 180 18 8 12 125 44 179 736 31 12 272 125 276 250 210 18 8 15 150 63 617 1060 3 17 671 150 300 305 285 240 22 8 20 200 113 10 1885 31 42 200 350 375 340 295 22 12 36 250 176 71 2945 2 49 087 250 400 430 405 355 26 12 58 300 254 47 4241 2 70 686 300 500 487 460 410 26 12 70 350 346 36 5772 7 96 211 350 542 520 470 26 16 85 400 452 39 7539 8 125 66 400 600 615 580 525 30 16 100 450 572 26 9537 5 158 96 450 657 640 585 30 20 120 500 706 86 11781 196 35 500 750 715 650 33 20 160 600 1017 9 16965 282 74 600 870 840 770 36 20 190 700 1384 7 23079 384 65 700 700 927 910 840 36 24 260 800 1809 6 30159 502 65 800 800 1050 1025 9502. Stainless steel bracket of control unit 52mm 2 05 108 mm 4 25 mm 0 14 95 mm 3 74 Mounting kit N O Q Sr Possibilities of assembly compact version 1 assembly of flowmeter in horizontal pipeline 2 assembly of flowmeter in vertical pipeline 3 assembly of flowmeter in ascending pipeline Possibilities of assembly remote version 4 assembly of control unit to the door of switchgear with protection of unit IP 67 rear side 5 assembly of control unit to the door of switchgear with protection of unit IP 44 rear side 6 assembly of control unit to the DIN attachment bar or construction of switchgear multiple overhead and side by sice application Possibilities of assembly 10 7 assembly of control unit to the wall right left overhead application and inside unit bracket application 8 assembly of control unit to the plaster board back side 11 Instructions for use Keyboard RESET resetting adjusted number UP DOWN adjusting down adjusting up SHIFT NEXT selecting next digit selecting next item blinking selected digits 4 ENTER return to menu confirmation ESCAPE return to menu S Q menu description user mode Q Displaying current flow in both directions total volume in both directions closing a relay Individual
3. CIPLISEN gt Magnetic inductive flowmeter type PEM 1000 USER S MANUAL PEM 1000ALW PEM 1000NW gt Flexible and clever assembling system gt Easy and fast moving change from compact to remote version gt Innovative and high power transmitter for every aplication gt Robust and resistant cover of sensor and transmitter Applications gt Water treatment gt Chemical food pharmaceutical industry gt Power civil engineering gt Agriculture APLISENS JSC 03 192 Warszawa Morelowa 7 Str Phone 48 22 814 07 77 www aplisens pl e mail export aplisens pl NOTE Because every product is subjected to a development it can happen that during a period some changes may appear which are not included in the User Guide Possible differences from the description in this Guide can be found by pressing keys on the keyboard in menu All unclear items should be directly consulted in factory Aplisens JSC 2009 Contents page Introduction 1 Specifications 2 Technical data sensor and control unit 6 Technical data control unit terminal board 7 Dimensions possibilities of assembly 8 Instructions for use 12 Instructions for adjustment 16 Example of Smart unit adjustment 23 Introduction PEM 1000 magnetic inductive flowmeters are precise measuring devices intended for the measurement of liquid flow of electrically conductive media The meters may be used for measurements registration dosing mixing e
4. f UP Caution I minimal and I maximal parameters can be set within 30 to 30 mA bipolar area But real output current can be restricted by hardware at 0 to 30 mA unipolar area 19 Instructions for adjustment detailed menu description RS 485 parameters for RS 485 or RS 232C communication port Device communication port serves for transfer of basic device quantities Q S S S status informations and all statistics memory contents It uses special factory communication protocol described in programmers manual Device 031 address N Baud rate 9600_ Bd N RT UP or DOWN A 150 Bd XJ 600 Bd N SS 1200 Bd N 2400 Bd i DOWN timeout NEXT 10 0 ms trn sta adr cnt time check buf 28900 Ba DC 00 00 110 ENTER RS 485 gt i ENTER lt Device address unique address identifying this device in RS 485 or RS 232C line 0 to 255 Baud rate typical and recommended baud rate value is 9600 Bd R T timeout block synchronization space 0 to 70 ms 10 ms is recommended at 9600 Bd VE setting SHIFT UP or DOWN RS 485 group has two additional screens that are intended for internal use of the producer Warning In order to ensure correct function of communication and data acquisition process any device inside network or database group must have unique Device address It is necessary for any line s
5. 39 24 350 900 2289 1 38151 635 85 900 900 1145 1125 1050 39 28 450 1000 2827 4 47124 785 4 1000 1000 1285 1255 1170 42 28 550 Tolerance of built in lengths DN 10 DN 150 A 5 mm DN 200 DN 1000 gt A 10 mm m B10 5 Bx 5 Signal cable connection gt Signals which are transmitted from a sensor electrode circuit to the converter will be in a range of millivolts They will be very sensitive to magnetic and electrostatic interference from neighbouring high voltage cables power supply cables and high power output motors etc The interference is mainly compensated for by the converter connection nevertheless if possible it is necessary to prevent all spurious signals gt The signal cable is of a special construction and length and is a part of the shipment its length should not be changed for certificated meter must not be changed The proper cable connection to the converter is important doing so may cause measurement failures Special requirements are laid on shielding and the measurement precisiondepends on its quality gt The cable must not be extended gt The shielding must be well insulated on the whole route from ground and the other metal subjects It is recommended that the cable is located in a separate conduit or trays Sensor location and its position in piping gt The inductive flowmeter sensor can be installed in any
6. items can be selected in MAIN menu Display box RUN menu description measurement mode reading the statistic data Standard view Moving from user mode and return Q t record Recorded 5 minute average flowrates H statistics Hourly statistics total volume operational time and flowmeter failure time D statistics Daily statistics total volume operational time and flowmeter failure time M statistics Monthly statistics total volume operational time and flowmeter failure time Date time view Displaying date and time Password check Password check point see explanations on page 11 Version Instrument type and program version MAIN menu description instrument adjustment Run Moving to measurement mode reading the statistical data and return Run s Running in service mode intended for installing and testing the instrument Qsupp low flow rejection limit identifying positive flow direction measurement delay after switching on Filter filtration constant and filter delay Range current flow range Display time parameters that display the individual quantities displaying individual quantities Unit format flowrate unit Q and format of displaying the quantities Q S and S Pulse output pulse output for the external counter total volume per one pulse pulse width Comparators four flow comparators with 4 modes static or pulse mode Failure intended for future checki
7. measurement process is launched in the service mode by pressing the NEXT key The proper measurement runs in the same way as in the user mode however the method of displaying the quantities on the screen is modified according to service control Eight screens can be scrolled on the display by pressing the NEXT key Xu Xu 65527 00000 DOWN Machine data internal signal processing digital input signal filter non linearity correction Intended only for calibration and production Xi 65531 Xi 00000 NEXT Filter cnt stat u 00 0 i 00 0 Total volume S counter Current flowrate Q S 00000 00 m3 Q 0 000_1 s S 00000 00 m3 S 00000 00 m3 Total volume Total volume UP ER MAIN Run s gt ENTER y Qsupp low flow rejection limit identification of positive flow direction measurement delay after starting the flowmeter Low flow rejection limit range from 0 0 to 200 0 N Setting SHIFT UP or DOWN Q direction Reverse flow direction during installation without DOWN reconnecting sensor conductors forward backward N forward Setting UP or DOWN NEXT Sensor delay 02 0 S Sensor signal delay range from 0 0 to25 sec Adjustment SHIFT UP or DOWN UP eee MAIN Resetting preset values UP DOWN Ca gt d Filter these parameters must not be changed with
8. position according to requirements however for horizontal assembly the electrode axis must always be horizontal 3 Vv Vv VVV VV Sensor must remain full of liquid It is recommended that the flow direction should follow the arrow on the sensor cover the converter is also preset for this direction On the operating meter it is possible to adjust the reverse flow direction by changing the PEM 1000 cnverter parameter Bolts and nuts verify if there is a sufficient space for their installation near flanges Vibration and deflection of piping fix the piping on both sides from the flowmeter to avoid any deflection and vibrations If you install any pipes with higher internal diameters install a reducer this will provide an axial shift without increased mechanical stress of piping and sensor flanges To improve flow use only the recommended straight lengths upstream 5DN and downstream of the sensor 3DN Any change of a diameter with an angle up to 8 is excluded from the above mentioned straight lengths Suitably assembled flow deflectors and a combination of diffusers are used in more sophisticated installations When you install the sensor in insulated piping e g glass artificial mass etc use proper sealing ground rings A conductive connection between a sensor ground point and the liquid to be measured is needed for a proper measurement Recommended positions for sensor installation Suitable location in ascending p
9. CS 12 13 M STATISTICS See explanation below DISPLAY 15 UNIT FORMAT 15 PULSE OUTPUT 15 COMPARATORS 16 18 RS 485 FAILURE i 18 MANUAL OUTPUT 17 ANALOG OUTPUT RELAYS 17 Cleaner hardware is not present by PEM 1000 Explanations about service password 1 Service password is defined by following parameters MAIN Password Password If Password is set to 0000 Zero then password is off and MAIN menu is always ready to open 2 Password check point is located at RUN Password check Password check 3 Moving from RUN menu to MAIN menu can be done by pressing ENTER anywhere while Password 0000 or Password check Password WARNING In order to disable the MAIN menu access after completion of setting process user must clear i e set to 0000 the Password check item 13 Instructions for use detailed menu descriptions S QO user mode The program identification and the program version will be displayed during the first three seconds after switching on the instrument The individual screens of selected quantities will alter in preset time intervals automatically after the elapse of a 3 second interval pressing the NEXT button may also alter the screens The screens and the intervals may be selected in the MAIN menu and Display screen S 03163 74 m3 0 000 0 input Q 1 04 1 s Re 0000 no fail ENTER S Q automatically time contro
10. are set according to the manufacturer s specifications of the additional devices If PEM 1000 is used as a certificated meter the additional devices that have passed a separate type test or have been included in the PEM 1000 type test can be used Packing transportation and storage If a set is ordered without installation the sensor is packed in corrugated paper and the converter is enclosed in a cardboard box or wooden palette Technical data WARNING The customer assume personal responsibility for reasonable using of sensor and unit Specification for magnetic inductive sensor Nominal sizes Interconnecting cable Control principle Excitation coils supply Excitation of coils isolation Connection Maximum Pressure Protection Liner material Liner temperature Electrodes Outer casing and flanges Flow tube External coating Ambient temperature Accessories options Special Options DN 10 1000 Compact version standard 0 5 m 2 x 2 x 0 25 mm Remote version standard 8 m option 16 24 32 40 48 m Pulse DC From the transmitter Class E Flanged DIN ANSI BS hygienic food DIN 11 851 Standard 1 6 MPa 0 6 1 0 2 5 4 0 MPa Standard IP 67 NEMA 5 IP 68 NEMA 6 Hard soft rubber DN 10 DN 1000 Teflon PTFE DN 10 DN 500 Hard soft rubber 5 C 90 C Teflon PTFE 25 C 130 C Stainless steel 316Ti L Hastelloy Tantalum Titanium Platinum Carbon steel standard Stainless S
11. ation and identification with the official mark and these cannot be changed gt Multi point calibration of the measuring range The flowmeters are usually calibrated in 3 points On the customer s request the number of calibration points can be increased gt Higher sensor protection IP 68 the requirement must be precisely defined i e immersion depth and time and or explosive zones gt Higher PN and or different sensor built in lengths different flange options DIN ANSI etc after consultation of your supply gt Controlled data acquisition program it allows evaluating the statistical readout data on a PC WIN PEM 1000 connection and assembly Converter connection to power supply must be performed in compliance with the standards and rules to be effective gt gt If requested our Service Division will carry out commissioning If work is done by any different organisation the warranty can be cancelled in the case of such unauthorised work Electrical protection allows the use of the instrument in all kinds of active passive and complex environments and after an agreement with us it is possible to carry out some additional modifications even for severe climaticconditions gt Signal and output cable routing should not be located near power output distribution network or in common
12. ction of III level 0 1 kHz 0 100 from flow rate range galvanically separated passive free optocoupler external load 8 2 10 kQ voltage supply for external load max 24VDC 10 1 4 x relays non voltage contact non inductive load 250VAC 3A 30VDC 3A modes pulse according to total flow in possitive and negative flow comparing 4 submodes status air intake see Instructions for use RS 485 galvanically separated or RS 232 C company protocol ELA 2 for current and stored data transmission to PC PLC etc on request software for data acquisition Smart MQI for Windows 3x PG 11 power supply cable 3 x 1 1 5 mm Cu 85 260 VAC 50 60 Hz 10 VA 9 36 VDC 10 W a 24 VDC 10 W 10 630 mA F IP 67 NEMA 5 20 C 50 C 180 x 115 mm 2 6 kg Cast AISi 10Mg EN AC 47100 Powered coated komaxit anodizing Reference conditions according to EN 29 104 Measuring range Measured medium Conductivity Power supply Ambient temperature Stabilization min Steady flow section 0 3 12 m s Water 10 30 C gt 300 uS cm Un 2 Un voltage rating 18 25 C steady humidity 20 minutes 10 x upsteam sensor 3 x downstream sensor Sensor Fixed centered and earthed properly SENSOR COMMUNICATION OUTPUTS gt a Q 7 o uu O A RELAYS BOARD CONNECTION Technical da ta WARNING For reason of safety and protection health of consumers is necessary to
13. erent method e g by grounding rings valid for DN 10 DN 100 The rings can be ordered from factory their material and chemical resistance must comply with the liquid to be measured usually produced from the same material as sensor electrodes The flowmeters from DN 50 DN 1000 are equipped of grounding electrode Function of grounding electrode is same as grounding ring When assembled it is necessary to insert the packing on both sides of the grounding ring Make sure that no parts will protrude into a internal sensor profile turbulence Drawing of sensor working grounding inside pipeline Use of grounding rings valid for DN 10 DN 40 Electrodes gt gt gt The electrode material must be selected according to its chemical resistance of the liquid to be measured The electrode purity can affect the measurement precision and high impurity concentration can affect the measurement process liquid insulation Immediately after shipping it is not necessary to clean the electrodes before installing the sensor inside piping Clean with a fine cloth or use a chemical detergent Avoid any damage of the lining If the electrodes must be cleaned during operation either mechanical or electrolytic methods may be used Mechanical cleaning can only be used for a suitable sensor assembly otherwise dismantle t
14. eresis neg hysteresis switch on below low level off high level exceeded Comp mode Band switch pos positive band switch closed if the quantity inside the interval specified by two preset levels Comp mode Band switch neg negative band switch closed if the quantity outside the interval specified by two preset levels Comparator is switched off even in the case that Comp pulse time elapsed in the pulse mode Value selecting the quantity compared with preset levels Q Q Q Setting UP or DOWN Low Level low level range according to the quantity used including sign High Level high level range according to the quantity used including sign Comp delay delay closing opening comparator is possible until the preset time elapses 1 to 250 sec and if conditions Comp mode are met Comp pulse pulse mode the closed state is limited to the preset time 1 to 250 sec value 0 s static i UP mode the closed state is not timely limited Setting SHIFT UP or DOWN CAUTION In addition to setting the quantities in compliance with the above mentioned table it is necessary to select a relay in Comparators 1 to 4 mode Otherwise the comparator has no effect on PEM 1000 outputs Failure intended for a future parameter extension that will control the status ENTER wR MAIN NEXT Failure mode j Ye Failure gt off DOWN 18 Inst
15. for displaying the current flowrate Q Unit for Q m3 sec l sec m3 hr Format for Q fix 4 Number of valid digits for displaying flowrate Q fix 3 fix 4 Format for S 65 43210 m3 Format of displaying total quantity S 65 43210 m3 765 4321 m3 8765 432 m3 98768 43 m3 Resetting adjusted values UP DOWN Setting SHIFT UP or DOWN ic format gt d Pulse output pulse output for external counter total quantity per 1 pulse pulse width Pulse range 100 m3 10 m3 1 m3 1001 101 B Total quantity per pulse for outputs to external counter Output pulse width for external counter Pulse width 0 00 to 2 50 sec 50 s Resetting adjusted values UP DOWN Setting SHIFT UP or DOWN CAUTION To activate it is necessary to set relay 1 and or 2 to Pulse output and or Pulse output Pulse output gt d 17 DOWN DOWN DOWN DOWN Instructions for adjustment detailed menu description Comparators four flow comparators with 4 modes static and or pulse modes are available Comp mode 1 UP or DOWN Hysteresis DOWN UP or DOWN NEXT tikt MAIN ENTER ENTER Comparators gt Comp mode Hysteresis pos positive hysteresis switch on upper level is exceeded off below low level Comp mode Hyst
16. g NEXT or ESCAPE key from the keyboard be used to interrupt the measurement 20 UP ene adjust gt Zero voltage u 0 90 Please stop flow and press NEXT a different method the value may be set from the keyboard Perform Please stop flow and wait until the liquid is calm week and press NEXT key N NEXT Automatic Zu value measurement with continuous display Cnt number of measured samples Zu average value Zu ENTER Resetting preset values UP DOWN tkk MAIN 8 Setting SHIFT UP or DOWN Recalibration consult the manufacturer if you want to change these setings P D N Recal period N Recal hold time 0l cycles NEXT Recalibration gt Recal mode if on is selected recalibration is running in the measurement mode Recal period recalibration period synchronized with real time Recal hold time number of empty cycles added after recalibration lt setting SHIFT UP or DOWN d Air detector consult the manufacturer if you want to change these setings ad UP or DOWN Airdet mode NI Airdet pulse 04 0 s N Airdet threshold 0 1000 ENTER ENTER Air detector gt Airdet mode if on is selected air detection is running while device is in measurement mode and according to detection results device is or is not in a failure status A
17. he sensor from the pipeline After cleaning reinstall the sensor Any electrolytic method is advantageous for its simplicity however it can only be applied for the contamination that can be removed by electrolysis low contamination and deposit All detailed instructions are available from the flowmeter manufacturer on request If a flowmeter operates under normal conditions for most liquids it is not necessary to clean flowmeters during their life only self cleaning by flowing liquid is satisfactory a recommended velocity is over 3 m s PEM 1000 commissioning Checking installation and connections VVVVVV Proper sensor and grounding Tightening all cable connection clamps and plug in all connectors Verify the completeness of the shipped set according to the serial numbers of sensor and converter Verify proper supply voltage see the label on the converter Verify proper electrical protection If the installation is fault free fill the pipeline with liquid and verify the sensor tightness inside the pipeline After short washout switch the system on off on Additional devices The additional devices are intended for remote control of the converter output signals displaying and processing The additional devices are not usually included in PEM 1000 shipment but their type should by approved by the manufacturer In such a case the manufacturer is only responsible for the suitability of input parameters and all other parameters
18. ics total volume S measurement time T and failure interval Tf for every month The measurement is proceeding Key functions UP or DOWN selection in months 02 97 S 150 0 m3 5 r DOWN UP werk RUN M statistics gt Date time view displaying the date and time The measurement is proceeding NEXT Date 22 02 97 Time 14 20 28 DOWN UP eae RUN ENTER Date time view gt Password check see explanation on page 16 below ng The password is necessary for moving from RUN to MAIN The access code for moving in the device menu is set in the factory usually to the value of last three digits of the flowmeter serial number For example the serial number is 97145 then the password 0145 Key functions SHIFT selecting the next digit selected digits are blinking UP or DOWN selecting the numbers NEXT Password check 0145 DOWN UP ea RUN ENTER Password check gt Version the instrument type and program version The measurement is proceeding NEXT SMART MQI 1 24 C 1998 DOWN UP kkk RUN ENTER Version gt 15 Instructions for adjustment detailed menu description Run moving to the measurement mode and return NEXT Mu Run gt DOWN Run s the measurement process in the service mode This is intended for installing and testing the device The
19. ipe section TEER la If vertical pipeline longer than 5m downstream the sensor install Air bubbles are collected deaerating valve underpressure in the sensor Hi gt 5 m L_ Recommended location Free outflow zero flow no water J il gt E r B Free inflow outflow VV VV gt rm Locate the sensor in po Ru siphon trap E oo i To avoid any measurement errors which are caused by air bubbles or failures on the linin ay attention to the following recommendations During assembling correctly seat the sensor tighten screws uniformly and move on a diagonal one after another It should be noted that the parallelism of flanges has a greater effect on packing than excessive tightening forces on curved and seated flanges The sensor must be installed inside piping so that the axis of sensor electrode is always horizontal A PTFE teflon lining calls for extra care during handling and assembly During installation operation avoid excessive underpressure in pipes Please do not change and damage the outlet extension on both ends of the sensor The sensors are shipped from the factory with special covers to avoid any shape deformations PTFE elastic memory should cause a partial compensation in future Please remove the covers just before installation and when you i
20. irdet period air detection period If aerated then period is reduced to 0 5 min Airdet pulse detection pulse width 0 5 to 25 0 sec Airdet gain detector amplification 1 2 128 Airdet threshold air detector threshold 0 0000 to 1 0000 setting SHIFT UP or DOWN 21 Reading Zu if a more precise value is known determined by d DOWN DOWN DOWN Cleaner cleaner hardware is not present at PEM 1000 Therefore cleaner mode must be left off Date time setting the date and time for initialisation press NEXT key and hold for 3 sec NEXT Date 14 05 1999 Press NEXT again for at least 3 sec Now time is stopped gt Time 13 25 31 and left two digits are flashing For setting use SHIFT UP or DOWN wee MAIN Date time gt UP ENTER l For end of setting press NEXT then time is running again Password setting the service password see explanation on page 11 below NEXT Password If this value is 0000 then password is off 0145 Setting SHIFT UP or DOWN i Password gt ENTER Version device type and program version UP NEXT SMART MQI 1 24 Device type software version gt Producer year of launching on market week MAIN Version gt lt It s read only item ENTER 22 DOWN DOWN DOWN Example If flow is higher than 100 l sec it is nece
21. l or NEXT Standard view moving from the user mode and return The measurement is proceeding g NEXT kkk RUN Standard view gt DOWN UP Q t record recording 5 minute average flowrates Q The measurement is proceeding Key functions UP or DOWN selection in 5 minute steps UP DOWN resets hours and minutes SHIFT UP or DOWN selects the days BESE 22 02 97 17 05 Q 12 77 1 s DOWN O t record gt ENTER H statistics hourly statistics total volume S measurement time T and failure time Tf for every hour The measurement is proceeding Key functions UP or DOWN selection in hours UP DOWN resets the clock SHIFT UP or DOWN selects the days DOWN f UP NEXT gt 22 02 97 19 20h S 150 0 m3 22 02 97 T 0 07 h 19 20h D UP 22 02 97 19 20h Tf 0 07 h kkk RUN H statistics gt D statistics daily statistics total volume S measurement time T and failure time Tf for every day The measurement is proceeding Key functions UP or DOWN selection in days SHIFT UP or DOWN selection in months D statistics denn statistika 22 02 97 S 22 02 97 total NEX XT 0 07 h DOWN UP 22 02 97 total 0 07 h kkk RUN D statistics gt 14 Instructions for use detailed menu description M statistics monthly statist
22. make equipment ground Separate terminal PE on body of equipment Control unit terminal board input output connection and basic functions STANDARD OPTION 1 yellow field 2 green field 3 braiding function ground and screen 4 E2 brown signal 5 braiding screen 6 E1 whitesignal compact version cable lenght 0 5 m cable lenght for remote version remote version cable lenght 8 m 16 24 32 40 48 m RS 232 RS 485 7 RxD A 8 TxD B 9 GND cable max 10 m cable max 500 m 10 Ha analog output 11 active output 12 unwired contact 13 unwired contact 14 Fl frequency output 0 1 kHz 15 passive free optocoupler 85 260 VAC 10VA 9 36 VDC 10W 24 VDC 10W 16 do not connect do not connect 24V 17 do not connect do not connect OV L mains L 9 36V do not connect N mains N OV do not connect PE mains PE protective wire protective wire 21 22 relay 1 lt 250 VAC lt 30 VDC lt 3A 31 32 relay 2 lt 250 VAC lt 30 VDC lt 3A 41 42 relay 3 lt 250 VAC lt 30 VDC lt 3A 51 52 relay 4 lt 250 VAC lt 30 VDC lt 3A totalizer comparators failure etc totalizer comparators failure etc Control unit dimensions PEM 1000 9115 mm 4 53 180 mm 7 09 0105 mm 4 13 175 mm 6 89 08 4 mm 0 33 60mm 2 36
23. ng status parameters Relays assigning the functions for relays 1 to 4 external counter pulse output 1 to 4 comparator outputs failure aerating the sensor Analog output assigning output quantity output range nominal current 0 20 4 20 0 5 0 10 mA extending current range above the upper limit of nominal current e g up to 24 mA negative output range RS 485 entering transmission line parameters Manual output manual control testing of 1 to 4 relays current and frequency outputs Zero adjust adjusting device zero point performed during calibration in factory after installation can be completed Recalibration adjusting parameters of automatic internal recalibration in the measurement mode Air detector adjusting detection parameters of empty piping Cleaner cleaner hardware is not present by PEM 1000 thefore cleaner mode must be left off Date time adjusting the date and time for initialisation press only NEXT key and hold for 3 seconds Password adjusting the service password see explanations on page 11 Version instrument type and program version CAUTION The description in the MAIN menu written in Italics should not be changed The parameters are preset with respect to the given location and the sensor type 12 Graphic structure of individual PEM 1000 menus Q t RECORD D lt co cl m O Z 12 PASSWORD CHECK RUN H STATISTICS 13 DATE TIME VIEW D STATISTI
24. nsert it between counterflanges replace by a number of smooth metal sheet pieces which are removed just before tightening the bolts Packing The extended part of lining does not operate properly as a seal hence appropriate packing must be inserted between sensor and pipeline If the packing protrudes into a flow profile at any point this will cause turbulence and reduce the measurement quality During installation make sure the sensor slides into piping if the pipeline is not flexible enough It is recommended that installation inserts especially for greater internal diameters should be used During installation of the sensor counterflanges must not be welded danger of the sensor lining failure PEM 1000 grounding For reliable and proper operation of the inductive meter it is necessary to use high quality protective grounding Internal flowmeter cables and power supply PE PEN conductors provide protective grounding Working grounding is also provided via internal cables and a high quality connection of the sensor body with two metal pipe counterflanges It is recommended that a connection made with M6 welded screws or bored threaded holes is used The connection under flange fixing screws is not recommended because of possible corrosion resulting in measurement failures gt When assembled into piping made from non conductive material or with non conductive lining it is necessary to provide working grounding with liquid by a diff
25. oltage 4 which is monitored by two electrodes placed Ne perpendicularly to both magnetic field and flow is induced by a stream of liquid with minimum electrical conductivity Excitation current with a rectangular waveform is generated in a converter and fed to sensor coil windings generating the flowmeter magnetic field The forced current system provides constant excitation under all conditions that can occur during the operation Specifications Measurement conditions Measurement is independent up on gt Liquid temperature and pressure gt Liquid density and viscosity gt Solids contents gt Usual level of magnetic field interference For maintaining the PEM 1000 accuracy and reliability it is necessary to meet the following conditions gt Minimum liquid conductivity gt 20 us cm for demineralized cold water gt 5 us cm for other liquid gt Liquid velocity min 0 3 m sec max 12 m sec gt Steady flow section performance no DN change bevel pipe part s of maximum 8 gt Steady flow section length 5 DN upstream 3 DN downstream from sensor gt Fully filled sensor profile with liquid measured gt High quality operational contact between the sensor and liquid measured Measurement accuracy is interfered by gt Gassing of measured liquid and air bubbles gt Strong stray earth currents gt Liquid turbulence in the sensor gt Solids of magnetic metals in the medium measured PEM 1000 options Sensor op
26. on may be set during installation without interchanging sensor cables forward and backward Setting UP or DOWN Sensor signal delay range from 0 0 to 25 0 sec Setting SHIFT UP or DOWN Resetting preset values UP DOWN d DOWN The preset low limit will prevent to measure in a range lower than 3 percent for a flowmeter including the counter integration All other corrections and adjustment of PEM 1000 device may be carried out similarly according to the instructions for adjustment 23
27. out consultation with producer Q filt Time constant of digital filter low threshold adjustment range gt gt Titer from 0 2 to15 sec 0 5 s Setting UP or DOWN DOWN Q filter delay 00 0 s Filter activation delay after start the time constant is decreasing to 0 25 sec within a preset time adjustment range from 0 to 25 seconds Setting SHIFT UP or DOWN Filter gt Preset value reset UP DOWN icici 16 Instructions for adjustment detailed menu description Range current flowrate range however the instrument operates up to 200 percent of this value Must be not changed without consultation with producer UP 4 wR PAIN NEXT Actual range Range gt 20 l s 8 ENTER Display time parameters displaying individual quantities format of displaying individual quantities UP Display sequence SQ _Re N Times 1 2 3 4 10 3 10 3 s Refresh period NEXT N SQ S S Re N SQ SS Re tkk MAIN ENTER Display gt Display selecting displayed quantities display sequence Times 1 2 3 4 duration of individual displays 0 permanent display range 0 to 60 sec Refresh period of updating quantities on display range 0 1 to 15 sec setting SHIFT UP or DOWN d Unit format flowrate unit Q and format of displaying quantities Q S and S jor Selecting a unit
28. ructions for adjustment detailed menu description Relays assigning the functions for relay 1 to 4 pulse output for external counter 1 to 4 comparator output sensor failure and sensor aeration Relays 3 and 4 are not contained in this menu DOWN Comparator 3 N Comparator 4 m Toe N Failure ENTER ENTER Relays output range nominal current current range extension Analog output assigning output quantit UP or DOWN Value switch Q N Min value DOWN ei re pine A rog positive 4 Prog negative NEXT I nominal 0 20 mA I minimal 00 00 mA I maximal Da 30 00 mA Analog output gt lt selecting output quantity for analogue output Q Q Q Value switch value assigned to min current but for Prog negative to max current Min value value assigned to max current but for Prog negative to min current Max value 200 to 200 of range Q I nominal a Standard current modes 0 20 mA 4 20 mA 0 5 mA and 0 10 mA b Programmable current modes Prog positive and Prog negative min current for Prog positive and Prog negative mode only I minimal max current for Prog positive and Prog negative mode only I maximal adjustment range 30 00 to 30 00 mA setting SHIFT UP or DOWN
29. ssary to close a relay contact in the PEM 1000 unit Adjust the following parameters Comp mode 1 UP or DOWN Hysteresis UP or DOWN Hysteresis pos Hysteresis neg Band switch pos ENTER Comparators gt Band switch neg Comp mode Hysteresis pos positive hysteresis switch closed if high level is exceeded opened if below low level Value selecting a quantity compared with preset levels Q Q Q l UP Low Level low level range according to quantity including sign High Level high level range of quantity including sign Comp delay delay if preset time elapsed 1 to 250 sec comparator is closed opened and Comp mode conditions must also be met DOWN Relay 1 for Comparator 1 must also be assigned in the Relays menu to the preset comparator The preset comparator including the assigned relay will close open relay 1 if current flowrate exceeds 100 l sec with a preset delay of 10 sec The closed relay 1 will open if flowrate reduces below 95 I sec with a delay 10 sec Example The flowrates below the low limit of up to 3 percent of the range must be blocked i e sneak flowrate Adjust the following parameters Q direction forward Sensor delay 02 0 s ae ys gt Low flow rejection limit range from 0 0 to 200 0 Setting SHIFT UP or DOWN Reverse flow directi
30. tandard RS 485 RS 232C or other Manual output manual control testing of 1 to 4 relays and current and frequency output Relay 1 4 0000 the left 0 OFF 1 ON Analog output 10 00 mA Frequency output 0 0000 kHz 0 0000 to 2 0200 kHz week VPAIN Resetting preset values to lt Required current value will appear on output current may have a reverse polarity 30 00 to 30 00 mA Required frequency value will appear Manual output Setting SHIFT UP or DOWN Relays controlled by SHIFT UP or DOWN keys relay 1 on me d Caution Manually set requested output current value is within 30 to 30 mA bipolar area But real output current can be restricted by hardware at 0 to 30 mA unipolar area DOWN Zero adjust setting the zero point of the device performed during calibration in factory any readjustment during installation is possible Consult the manufacturer if you want to change zero adjust The adjustment is given by the quantity value Zu that can be measured or set from the keyboard Legend to the following graphics Press NEXT key in the case that the Zu value should be measured otherwise use ENTER or ESCAPE to return to menu The measurement is completed automatically when the preset number of samples limit has been measured this number of samples is optimised in the factory Only in an emergency should pressin
31. tc as operating and or certificated meters according to Act no 505 1990 Coll on Metrology PEM 1000 application gt Water management drinking and waste water measurement gt Chemical textile paper mining industry gt Food industry gt Power engineering and heating plants gt Agriculture PEM 1000 advantages gt Independent of power supply fluctuation and line voltage interference gt Independent of pressure temperature and density etc of the media gt No pressure losses gt No disturbances of measured liquid consistency Do not install where gt Liquid conductivity is below 5 uS cm 20 uS cm for demineralized water gt Partly filled pipe is possible gt Non lamina flow occurs gt Liquid velocity can be less than 0 3 m sec The principle of inductive sensor operation The measurement is based on the principle of Faraday s law of electromagnetic induction In compliance with this law electric voltage is induced in an electrically conductive body which moves across a magnetic field The following equation is applied for voltage to be induced generally U BxDxv_ where U inductive voltage D piping diameter v mean flow speed vector B magnetic induction 7 If magnetic induction B and piping diameter D y i are constant then induction voltage is PEA proportional to the mean flow speed Liquid is A flowing via a flowmeter perpendicularly to the fo o Y direction of the magnetic field Electric v
32. teel 304 321 Stainless steel 321 Acrymetal multi component lacquer 20 C 60 C Stainless Steel Earthing rings for plastic pipe Stainless Steel version food industry version Specification for PEM 1000 control unit Medium electrical conductivity Input resistance Measurement accuracy Flow filter Low flow rejection Flow direction Zero flow Empty pipe detection Data logger Real time Display Keyboard Analog output Frequency output Binary outputs Communication output must be specificated Cable outlets Power supply Fuse Electric protection Ambient temperature Dimensions Weight Housing material Surface finish gt 5 uS cm for demi water gt 20 uS cm 2100 Q 0 3 of reading while flow is within 10 100 of range for reference conditions only Multi mode adjustment Adjustable in steps of 0 1 Bi directional measurement distinguished by sing current flow is summarized by total volume counters S for possitive flow and S for negative flow Automatic zero point setting With adjustable detection period 4 months capacity average 5 minute current flowrates total volume and operating time by hour day month time slices Clock and calendar including leap years until 2099 with battery backup LCD alphanumeric 2 x 16 characters with backlight 4 keys Active galvanically separated 0 4 20 mA 500 Q 0 5 mA 2 KQ or generally selected to maximum 30 mA 300 Q overvoltage prote
33. tion gt A measuring pipe is made of non magnetic material with welded flanges and assembly clamps An insulating liner with required properties is installed inside the pipe according to the medium used A system of driving coils generating the required magnetic field is directly fixed on the measuring pipe body gt A pair of electrodes located opposite and passing through the measuring pipe with liner is made of high grade steel and or other material according to the required chemical resistance against the medium being measured gt The complete electrical section is assembled in steel housing welded with a neck for internal cabling gt Remote version A signal cable with the standard length of 8 m Cu type 2x2x0 25 mm is attached to the neck and the cable passes through a cable seal also other lengths are available gt Compact version The instrument box body is attached to the neck gt The housing welding makes it possible to achieve a high grade protection and surface finish provides a steady climate resistance Converter option gt Control and evaluation electronics is assembled into robust aluminium housing with a sight hole for the display or in case of the blind version IP 67 protection is used Additional options gt PEM 1000 flowmeter as_ working certificated meter complies with the Act on Metrology no 505 1990 Coll Metrological properties according to the customer s requirements are determined by verific
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