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USER

’S MANUAL 

 
 

ELECTROMAGNETIC FLOWMETER 

PEM-1000 

 

 

 

EN.IO.PEM.1000 

JUNE 2021 

APLISENS S.A., 03-192 Warsaw, Morelowa 7 St. 

tel. +48 22 814 07 77; fax +48 22 814 07 78 

www.aplisens.com

, e-mail: 

[email protected]

 

Revision 02.A.004 

Содержание PEM-1000ALW

Страница 1: ...MANUAL ELECTROMAGNETIC FLOWMETER PEM 1000 EN IO PEM 1000 JUNE 2021 APLISENS S A 03 192 Warsaw Morelowa 7 St tel 48 22 814 07 77 fax 48 22 814 07 78 www aplisens com e mail export aplisens com Revision 02 A 004 ...

Страница 2: ...ual as well as with the electromagnetic compatibility and safety regulations and standards applicable to the type of installa tion In systems with I C equipment in case of leakage there is a danger to staff due to the medium under pressure All safety and protection requirements must be ob served during installation operation and inspections If a malfunction occurs the device should be disconnected...

Страница 3: ...eter 16 7 2 1 Connecting of the transmitter with the option of using local HART communication 16 7 2 2 Functional grounding 17 8 START UP 19 9 TECHNICAL PARAMETER 19 9 1 Protection class 19 9 2 Technical specification 19 9 3 Technical specification 20 9 4 Metrological parameters 20 9 5 Table of volumetric flows calculated for the characteristic flow velocities of the medium for versions with flang...

Страница 4: ...l pipeline and for an insulated pipeline using earthing rings 17 Figure 12 The way of connecting the functional ground to the transmitter housing 17 Figure 13 The method of connecting functional ground to the sensor housing 18 Figure 14 Graph of correct functional grounding of the PEM 1000 flowmeter 18 Figure 15 Recommended flow values of the PEM 1000 flowmeter 22 Figure 16 The measuring range of ...

Страница 5: ... device and any activities related to operation shall be carried out after thorough examination of the contents of user s manual and the instruc tions related thereto installation and maintenance should be carried out by qualified staff having the required authorizations to install electrical and measuring devices the device shall be used according to its intended purpose in line with the permissi...

Страница 6: ...red in a factory packaging in a room without vapours and aggressive sub stances protected against mechanical impact Allowable range of ambient and storage parameters Allowable range of ambient storage temperature 20 60ºC 4 140 F Relative humidity to 80 Surrounding atmosphere No aggressive ingredients Height above sea level to 2000 m The permissible ambient and device operating parameters must not ...

Страница 7: ...able 1 Symbols appearing on the flowmeter s nameplate Logo and name of manufacturer CE mark Manufacturer s address Flowmeter type Min Max of flow value Supply voltage values Output signal Serial number of flowmeter Serial number of sensor Year of production IP protection rating Note about the obligation to read the manual Information on dealing with used equipment ...

Страница 8: ...coefficient A and B Information on dealing with used equipment Note about obligation to read the manual Direction flow of medium Manufacturer s address 5 3 CE mark declaration of conformity The device has been designed to meet the highest safety standards has been tested and has left the factory in a condition that is safe for operation The device complies with the applicable standards and regulat...

Страница 9: ... and flanges Remember to keep straight sections in front of and behind the sensor During installation the straight sections should be of nominal diameter of the sensor DN with lengths of at least 5DN before and 3DN after the sensor When installing the sensor on an insulated pipe e g glass plastics etc please insulate the system with earthing rings connected with ground terminal of the sensor Figur...

Страница 10: ... the counter flanges ensure that no seal element enters the lumen of the pipeline as this may introduce turbulence into the flow and disturb the flowmeter A B Figure 2 Examples of incorrect sensor installation on the site and suggested solutions The figure shows the two most common cases of incorrect installation of a flowmeter sensor on a facility Case A shows incorrect installation of the pump b...

Страница 11: ...ded to install the flowmeter in a horizontal position A with the possibility of tilting it by about 30 B and in a vertical position C according to the examples shown in the figure Otherwise there is a possibility of disturbing the measurements or issuing an alarm of empty pipe detection when there is air in the system one of the elec trodes will be uncovered ...

Страница 12: ...EN IO PEM 1000 12 Revision 02 A 004 2021 06 Figure 4 Examples of installation of the flowmeter transmitter in the PEM 1000NW version on a pipe and on the wall ...

Страница 13: ...circuit breaker on the flowmeter supply line with protection It should be easily accessible and clearly and unambiguously marked with symbols complying with local regulations for safety of electrical equipment Figure 5 Electrical wiring from the PEM 1000 transmitter Electrical terminals of the flowmeter can be accessed by unscrewing the side cover of the side cover of the transmitter casing The fi...

Страница 14: ...onverter should not be led next to power cables and other cables that may generate interference Devices cooperating with the flowmeter should be resistant to electromagnetic disturbances generated in the environment in accordance with the compatibility requirements in force in the place of use Power supply of the transducer with a low voltage power supply optional version is con nected to the same...

Страница 15: ...ble outer shield or free clamp depending on sen sor type 2 Internal shield of the electrode pair 3 4 Electrode pair White 5 Electrode pair Brown 6 7 8 9 10 Internal screen of the coil pair 11 Coil pair Green 12 Coil pair Yellow The wires of the sensor cable should be connected to the plug in accordance with the instructions in Figure 10 and the PIN description in Table 2 Incorrect connection of th...

Страница 16: ...c cordance with the standards and must always be connected 1 Screw M5 2 Spring washer M5 3 Serrated washer wg DIN 6797 J M5 4 The cable is terminated with a crimp terminal with an eyelet M5 5 Housing Figure 9 Location and method of connecting the protective earth to the transmitter housing Use a power cable suitable for the cable gland with certified cables with a working voltage of 300 500 V Figu...

Страница 17: ...e sensor should be connected to the metal pipeline or to the grounding rings in the case of non conductive pipelines Metal pipeline Insulated pipeline grounding with the use of grounding rings Figure 11 Example of a functional earthing connection for a metal pipeline and for an insulated pipeline using earthing rings To properly ground the flowmeter refer to the graph in Figure 16 Figure 12 The wa...

Страница 18: ... 1 Screw M6 2 The cable is terminated with a crimp terminal with an eyelet M6 3 Serrated washer acc DIN 6797 J M6 4 Spring washer M6 5 Nut M6 Figure 13 The method of connecting functional ground to the sensor housing Figure 14 Graph of correct functional grounding of the PEM 1000 flowmeter ...

Страница 19: ... Max static pressure Standard 1 6 MPa 2 5 MPa 4 MPa Accuracy 0 5 of reading at 20 100 Qmax 1 of reading at 10 20 Qmax Process connection Flange DIN ANSI Low flow rejection Adjustable value Ambient temperature 20 60 C Actual flow both directions l s m3 h m3 s other Liner temperature range Rubber 5 90 C Teflon 25 130 C Totalizer 3 counters total positive negative m3 other Low flow alarm Adjustable a...

Страница 20: ... It is possible to set other values of the Qmax flow for individual versions of the flowmeter Table 6 Flow values for the PEM 1000 flowmeter Flow values DN acc DIN Recommended flow limits Factory settings Q min Q max Analog output 4 20 mA Pulse output Low flow cut off v 0 1 m s Measuring range Linear flow velocity to the end of the measuring range Volume pulse Number of pulse m3 m3 h m3 h m3 h m s...

Страница 21: ...8 686 11 581 14 476 17 372 40 1 357 4 524 9 048 13 572 18 096 22 619 27 143 50 2 121 7 069 14 137 21 206 28 274 35 343 42 411 65 3 584 11 946 23 892 35 838 47 784 59 729 71 675 80 5 429 18 096 36 191 54 287 72 382 90 478 108 573 100 8 482 28 274 56 549 84 823 113 097 141 372 169 646 125 13 254 44 179 88 357 132 536 176 714 220 893 265 072 150 19 085 63 617 127 234 190 852 254 469 318 086 381 703 2...

Страница 22: ...ue of the flow of liquid flowing in this pipeline The minimum measuring range of a given flowmeter corresponds to a linear liquid flow velocity of 0 3 m s while the maximum measuring range is for a liquid flow of 10 m s The optimal measuring ranges correspond to the linear velocities of the liquid flow from 2 to 6 m s Factory set measuring ranges taking into account the optimal linear flow velocit...

Страница 23: ...ame unit as set in the Flow unit option included in the Outputs config parameter subgroup Flow value for 4 mA current and Flow value for 20 mA current in the same unit as set in the Flow unit option in the Basic tab Figure 16 The measuring range of the flowmeter is determined by the Qmax parameter The manufacturer guarantees that the declared accuracy class will be maintained in the range of 10 to...

Страница 24: ... Washing Immediately after the delivery of the electrodes do not have to be cleaned before installation in the pipeline It is best to use a clean cloth or rag and detergent to clean the electrodes Damage to the floor covering should be avoided If the electrodes need to be cleaned during operation mechanical and electrolytic methods can also be used Mechanical cleaning may only be performed with th...

Страница 25: ...ective and neutral earth conductors of high current wiring etc Note The voltages at the electrodes can be checked in the diagnos tic menu screen 1 bit 6 0x40 ADC flow measurement transducer does not respond Check for other errors related to voltage overshoots on bit 7 and or 1 and if none return the flowmeter to the manufacturer or author ized representative bit 5 0x20 Incorrect resistance of the ...

Страница 26: ...uid or in the pipes that reach the sensor from the ground loop especially when galvanizing devices high power pump motors protective and neutral conductors of high current wiring etc are nearby Verify if the protective ground of the flowmeter is connected to its functional ground 6 Verify if no rapid changes in conductivity or ion concentration occur in the measured medium due to dosing of reactiv...

Страница 27: ...screens displaying among others totalizers user totalizers and information about firmware versions After 3 minutes of inactivity it automatically returns to the main screen 1 Login with different levels of authorization Logging into the menu is only possible from the main screen Hold down the key until the login screen appears where you enter your PIN Individual digits are edited with the key and ...

Страница 28: ... field changes can be made by selecting available variants of a given option scrolling using naviga tion buttons Confirm the selection with the Enter button changes may require manual entering of numerical values in order to do that press the Enter button in the numerical value field use the navigation buttons to change the cursor position and subsequent clicks on the Enter button will allow you t...

Страница 29: ... function enables setting nominal flow sensor pipe diameter This value is factory set and should always match the actual diameter of the sensor SENSOR TYPE MENU POSITION AVAILABLE FROM THE ADMINISTRATOR LEVEL allows the selection of the type of sensor used selection of a sensor with two or three active electrodes To make a selection use the navigation buttons in the TYPE field to make the desired ...

Страница 30: ... in stallation so it is recommended to run an aggressive measurement mode if measurement val ue spikes or errors occur 5 MODBUS To access a specific menu function select it using the navigation buttons and then confirm with the Enter button ON OFF used to enable or disable MODBUS communication UNLOCK_WR enable or disable the ability to record data via the MODBUS interface on the flow meter ADDRESS...

Страница 31: ... output to respond to an alarm LOW alarm current of 3 75 mA constant specified by the manufacturer HIGH alarm current of 21 6 mA constant specified by the manufacturer CUSTOM user alarm must be entered manually in the VALUE field usable alarm using the navigation buttons to move and the Enter button to enter the available characters in se quence the current defined by the user using the VALUE opti...

Страница 32: ...he ON OFF field The status field menu allows you to define the function mode of operation from among the available options Empty Pipe signalling of an empty pipe Low flow signalling of low flow Unfil pipe signalling of a pipe that is not full of fluid Errors all error signalling Front End sensor memory Coil Error signalling a coil error I saturat signalling of the current loop saturation Direction...

Страница 33: ...oltages Ue3 is the voltage of the third active electrode which is not used in most designs Voltages around 0 05000 V are suitable for conventional operation Values higher than 0 10000 V are subject to aggressive measurement mode setting Voltages higher than 1 00000 V usually result from improper grounding sensor malfunction or extreme dirt on the electrodes In case of doubt it is recommended to co...

Страница 34: ...down the values read The Fl parameter is the current state of the system flag and system flags should be visible here Figure 4 Example of the diagnostic screen on the Info data 3 tab Info data 4 shows the voltages of the electrodes when the empty pipe detection function is ena bled When the function is disabled the voltage values are equal to 0 In case of inadequate perfor mance of the empty pipe ...

Страница 35: ...EN IO PEM 1000 Revision 02 A 004 2021 06 35 APPENDIX B Structure of the local MENU ...

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