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RFLS–28

Dinel, s.r.o.

19 . Technical specifications

Technical specifications

Supply voltage

7 ... 34 V DC

Power consumption

max. 5 mA DC

Max. switching current (PNP output)

300 mA

Residual voltage - ON state

max. 1.5 V

Coupling capacity (housing – power) / dielectric strength

5 nF / 500 V AC (50 Hz)

Protection class

type RFLS-28N-_ _-G

-P-_

IP 68

Cable (versions with cable outlets)

PVC 3 x 0.5 mm

Weight (without cable)

approx. 0.15 kg

Minimum relative permittivity

= 1.5

Minimum distance of the

electrode from the vessel wall

type el. 1

20 mm

type el. 10

10 mm

Materials

part of the sensor

standard material *

Housing (case)

stainless steel W.Nr. 1.4404 (AISI 316L)

Enclosure

polycarbonate

Electrode coating

type el. 1, 10

PEEK

O-ring seal

RFLS-28_-1B, 10B

RFLS-28_-1E, 10E

RFLS-28_-1V, 10V

NBR

EPDM

FPM (Viton)

Cable gland (variant “B”, “V”, “H”)

PA / NBR plastics

Verify chemical compatibility with the media. Upon agreement it is possible to select a different type of material.

Содержание RFLS-28

Страница 1: ...ublished in this manual before the first use of the level meter Keep the manual at a safe place The manufacturer reserves the right to implement changes without prior notice High frequency limit level sensor RFLS 28 INSTRUCTION MANUAL ...

Страница 2: ......

Страница 3: ...on and status indication 16 9 Mechanical mounting 16 10 Sensor variant with output PD with Diagnostic 17 10 1 Diagnostic modes 17 10 2 Evaluation unit 18 10 3 Function and status indication with diagnostic 18 11 Order code 19 12 Accessories 20 13 Safety protection and compatibility 21 14 Functional safety 21 15 Use manipulation and maintenance 21 16 Putting out of operation or disposal 22 17 Gener...

Страница 4: ...of installation or during the period of use of the sensor To ensure maximum safety of control processes we have defined the following safety instructions and information Each instruction is labelled with the appropriate pictogram Alert warning danger This symbol informs you about particularly important instructions for installation and opera tion of equipment or dangerous situations that may occur...

Страница 5: ...ium air resolution of the interface of two media medium medium e g water oil selective resolution of a specific medium Medium window function the function can distin guish e g oil from water and air detect only beer foam and ignore beer and air etc The sensor is made from a stainless steel housing at one end terminated by a sensing electrode and terminated at the other end and by an enclosure with...

Страница 6: ...d type B V or H is part of TN 28 24x2 O ring B E or V is part of TN 28 The switching point is the same for both variants of sensors Typical switching point position for water factory default Typical switching point position for oil Extension tube variants P flange in figure Z thread G1 Cl Tri Clamp see the accessories data sheet for TN 28 extension tube Variant B with standard cable gland Variant ...

Страница 7: ...ion If a switched power supply is used its design must effectively suppress common mode interference If the switched power supply is equipped with a PE protective terminal it must be earthed without fail If the level meter sensor is to be installed in an outdoor environment more than 20 m from an outdoor switchboard or an enclosed building the electrical supply to the level meter sensor must be su...

Страница 8: ... available a Setting the mode O without the possibility of using the medium 1 The sensor is turned with the measuring electrode into the free space 2 Apply the magnetic pen for 5 10 seconds to the sensitive spot of the sensor at first both LEDs light up after approx 3 seconds the orange LED flashes 3 times and after another approx 2 seconds the orange LED flashes again 3 times now you can remove t...

Страница 9: ... and maximum levels are not set too close to one another b Setting the mode C it is open when submerged 1 Immerse the sensor electrode in the medium to be measured in case of interface detection of two media place the electrode into the lower medium 2 Apply the magnetic pen for 2 4 seconds to the sensitive spot of the sensor until both LEDs shine and then remove the magnetic pen Settings are confi...

Страница 10: ...sensitive spot of the sensor at first both LEDs light up after approx 3 seconds the orange LED flashes 3 times and after another approx 2 seconds the orange LED flashes again 3 times now you can remove the magnetic pen The sensor is now set to mode O closes when submerged in the required medium 3 Check the state of indicators If the orange LED shines and the green LED flashes the sensor is correct...

Страница 11: ...rogramming wire The programming wire is connected to the terminal marked as P terminal No 7 Front panels and numbering of terminals Indication LED SSU 1212 AD Green POWER light connection of the 230 VAC power supply correct function dark failure short circuit on the power supply terminals Orange OUT light output relay activated contacts 15 16 closed dark output relay deactivated contacts 14 15 clo...

Страница 12: ... of the interface of two media see p 4 For setting the sensitivity and switching mode where it is possible to submerge the sensor in or remove it from the medium When using this setting the sensor eliminates the pres ence of deposits and foam on the electrode a Setting the O mode closes when submerged 1 Immerse the sensor electrode in the medium to be measured 2 Switch the SET CH a SET switches to...

Страница 13: ...when submerged 1 Immerse the sensor electrode in the medium to be measured 2 Switch the SET CH switch to the ON position and the SET switch to the OFF position 3 Press the setting button SETTING Settings are confirmed by three flashes of the orange LED 4 Pull the sensor out of the media Leave possible deposits on the electrode 5 Switch the SET switch to the ON position 6 Press the setting button S...

Страница 14: ...ency conditions by opening the sensor Analogously for the max level we recommend you to set the C mode sensor opens when submerged level state mode output state Orange LED maximum level sensing C CLOSED shining C OPEN dark level state mode output state Orange LED minimum level sensing O CLOSED shining O OPEN dark Setting modes The sensor can be set to normally closed O mode or to normally open C m...

Страница 15: ...d in the tank This setting is performed by placing the magnetic pen on sensitive spots marked as M ON or M OFF located on the sensor enclosure in the following modes Quick settings the user does not know precisely to what medium the sensor should be set he only wants to put the sensor into operation usually upon receiving it and check to see if the sensor is generally functional Basic settings the...

Страница 16: ...te assembly with the selected process connection is attached to the tank Fig 4 Installation of the level meter out of the reach of filling flow 8 Function and status indication LED indicator colour function RUN green Measuring function indication flashing approx 0 4 s correct function of level detection dark incorrect installation or malfunction alternating flashing of the green and orange LED err...

Страница 17: ...ted into the output signal SENSOR STATUS the diagnostic does not indicate any problem the measuring curve and the sensor settings are correct 10 1 2 Incorrect setting INDICATION alternating flashing green and orange LEDs OUTPUT a 300 μs wide pulse with a period of 20 ms is generated into the output signal SENSOR STATUS the measuring curve is OK but the sensor setting is incorrect decision levels a...

Страница 18: ...ified as their function may be affected by a control circuit error OUTPUT the sensor does not generate any diagnostic pulses in the output signal SENSOR STATUS either it is a fault in the control circuit or a failure in the output part of the elec trical circuit and these faults can be diagnosed only by a special version of the SSU 1212 D 10 3 Function and status indication with diagnostic LED ind...

Страница 19: ... pipe thread G OUTPUT OF TYPE P PNP open collector PD PNP open collector with diagnostic1 TYPE OF ELECTRICAL CONNECTION B standard plastic cable gland V standard plastic cable gland with spiral H plastic cable gland for protecting hose SETTING B magnetic pen MW programming wire and magnetic pen CABLE K cable length in m RFLS 28 N 1B G P B M K AVAILABLE VARIANT OF THE PRODUCT 1 The evaluation units...

Страница 20: ... pen 1 pc included in the price MP 8 O ring NBR EPDM FPM Viton 1 pc included in the price extension tube at extra cost TN 28 P flange TN 28 Z G1 thread TN 28 Cl Tri Clamp cable over 2 m at extra cost protecting hose for cable gland H at extra cost ...

Страница 21: ...pecified in the technical specifications The high frequency level sensors RFLS 35 meet the safety integrity level requirements according to standard EN 61508 The sensors are intended for level height detection applications of liquid and pasty media with increased safety demands in modes Overfill protection Dry run protection In both modes the sensors meet the requirements for functional safety at ...

Страница 22: ... sensor for repair proceed as follows Remove and clean the sensor or perform its decontamination and wrap it well Write a description of the fault as detailed as possible attach also a detailed description of the application and of the installation location and everything together with the sensor send please to the address of Dinel s r o company Please provide maximum synergy in finding the root c...

Страница 23: ...o reality 17 General conditions and warranty The manufacturer guarantees from the supply that this product will have established properties given in the technical conditions for a period of 3 years The manufacturer is responsible for the faults that have been identified during the warranty period and were claimed in writing The warranty does not apply to defects resulting from improper handling or...

Страница 24: ... x 0 5 mm2 Weight without cable approx 0 15kg Minimum relative permittivity εr 1 5 Minimum distance of the electrode from the vessel wall type el 1 20 mm type el 10 10 mm Materials part of the sensor standard material Housing case stainless steel W Nr 1 4404 AISI 316L Enclosure polycarbonate Electrode coating type el 1 10 PEEK O ring seal RFLS 28_ 1B 10B RFLS 28_ 1E 10E RFLS 28_ 1V 10V NBR EPDM FP...

Страница 25: ... _ P RFLS 28N _ _ PD according to standard EN 61508 ed 2 Safety function MIN MAX SIL 2 Hardware architecture 1oo1 without diagnostic 1oo1 with diagnostic DC 0 99 PFH TProof 1 rok for variant N 1 471 10 7 1 471 10 9 λDD for variant N 0 FIT 145 6FIT λDU for variant N 147 1 FIT 1 5 FIT MTTFD for variant N 776 years valid version FW v2 v3 diagnostic Explanations SIL Safety integrity level DC Diagnosti...

Страница 26: ... from potential damage A forwarding company will be used to ship goods to the customer Upon prior agreement ordered goods can be picked up in person at company headquarters When receiving please check to see that the consignment is complete and matches the order or to see if any damage has occurred to the packaging and device during transport Do not use a device clearly damaged during transport bu...

Страница 27: ......

Страница 28: ...Dinel s r o U Tescomy 249 760 01 Zlín Czech Republic phone 420 577 002 002 e mail sale dinel cz www dinel cz Find the updated version at www dinel cz version 08 2017 industrial electronics 01 2021 ...

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