Vega VEGAVIB 61, Operating Instructions Manual

Page 1: ...Operating Instructions Vibrating level switch for granulated bulk solids VEGAVIB 61 Two wire 8 16 mA Document ID 29268 ...

Page 2: ...ment 8 3 4 Storage and transport 8 4 Mounting 4 1 General instructions 10 4 2 Mounting instructions 11 5 Connecting to power supply 5 1 Preparing the connection 15 5 2 Connection procedure 15 5 3 Wiring plan single chamber housing 16 5 4 Wiring plan version IP 66 IP 68 1 bar 18 6 Setup 6 1 General information 19 6 2 Adjustment elements 19 6 3 Function table 20 6 4 Proof test SIL 22 7 Maintenance a...

Page 3: ...afety instructions for Ex areas Take note of the Ex specific safety instructions for Ex applications These instructions are attached as documents to each instrument with Ex approval and are part of the operating instructions manual Editing status 2017 03 06 ...

Page 4: ...This symbol indicates helpful additional information Caution If this warning is ignored faults or malfunctions can result Warning If this warning is ignored injury to persons and or serious damage to the instrument can result Danger If this warning is ignored serious injury to persons and or destruction of the instrument can result Ex applications This symbol indicates special instructions for Ex ...

Page 5: ...riate or incorrect use of the instrument can give rise to application specific hazards e g vessel overfill or damage to system components through incorrect mounting or adjustment 2 4 General safety instructions This is a state of the art instrument complying with all prevailing regulations and guidelines The instrument must only be operated in a technically flawless and reliable condition The oper...

Page 6: ...lable in the Safety Manual VEGAVIB series 60 2 8 Safety instructions for Ex areas Please note the Ex specific safety information for installation and op eration in Ex areas These safety instructions are part of the operating instructions manual and come with the Ex approved instruments 2 9 Environmental instructions Protection of the environment is one of our most important duties That is why we h...

Page 7: ...sing 1 Housing lid 2 Housing with electronics 3 Process fitting The type label contains the most important data for identification and use of the instrument Article number Serial number Technical data Article numbers documentation SIL identification with SIL rating ex works With the serial number you can access the delivery data of the instru ment via www vega com VEGA Tools and Instrument search ...

Page 8: ...d is piezoelectrically energised and vibrates at its mechanical resonance frequency of approx 360 Hz When the vibrat ing rod is submerged in the product the vibration amplitude changes This change is detected by the integrated electronics module and converted into a switching command Depending on your requirements VEGAVIB 61 with two wire elec tronics can be connected to different signal condition...

Page 9: ... delivery must be checked for completeness and possible transit damage immediately at receipt Ascertained transit damage or con cealed defects must be appropriately dealt with Up to the time of installation the packages must be left closed and stored according to the orientation and storage markings on the outside Unless otherwise indicated the packages must be stored only under the following cond...

Page 10: ...onnection cable downward in front of the cable entry Rain and condensation water can thus drain off This ap plies mainly to outdoor mounting as well as installation in areas where high humidity is expected e g through cleaning processes or on cooled or heated vessels Fig 2 Measures against moisture ingress Do not hold VEGAVIB 61 on the vibrating element Especially with flange and tube versions the...

Page 11: ...herefore covered with red dust protection caps as transport protection Prior to setup you have to replace these protective caps with ap proved cable glands or close the openings with suitable blind plugs 4 2 Mounting instructions The vibrating element should protrude into the vessel to avoid buildup For that reason avoid using mounting bosses for flanges and screwed fittings This applies particula...

Page 12: ...his in mind when installing the sensor in the vessel We recommend selecting an installation location where the vibrating rod detects an average value of the material cone The vibrating rod must be mounted in a way that takes the arrange ment of the filling and emptying apertures into account To compensate measurement errors caused by the material cone in cylindrical vessels the sensor must be moun...

Page 13: ...y 1 VEGAVIB 61 2 Discharge opening 3 Filling opening To achieve a very precise switching point you can install VEGAVIB 61 horizontally However if the switching point can have a tolerance of a few centimeters we recommend mounting VEGAVIB 61 approx 20 inclined to the vessel bottom to avoid buildup Horizontal mounting ...

Page 14: ... a position in the vessel where no disturbances e g from filling openings agitators etc can occur In applications such as grit chambers or settling basins for coarse sediments the vibrating element must be protected against damage with a suitable baffle This baffle must be manufactured by you 125 mm 5 120 mm 4 7 Fig 7 Baffle for protection against mechanical damage Inflowing medium Baffle protecti...

Page 15: ...tallation regulations for hazardous areas must be given priority The data for power supply are specified in chapter Technical data The instrument is connected with standard two wire cable without screen If electromagnetic interference is expected which is above the test values of EN 61326 for industrial areas screened cable should be used Use cable with round cross section A cable outer diameter o...

Page 16: ... 6 Insert the wire ends into the open terminals according to the wir ing plan 7 Press down the opening levers of the terminals you will hear the terminal spring closing 8 Check the hold of the wires in the terminals by lightly pulling on them 9 Tighten the compression nut of the cable entry gland The seal ring must completely encircle the cable 10 If necessary carry out a fresh adjustment 11 Screw...

Page 17: ...ed by the connected VEGATOR signal condition ing instrument Further information is available in chapter Techni cal data Ex technical data are available in the supplied Safety information manual The wiring example is applicable for all suitable signal conditioning instruments If the mode switch of VEGAVIB 61 is correctly set to max the con trol lamp on VEGAVIB 61 lights red with submerged vibrating...

Page 18: ...8 16 mA 29268 EN 170315 1 Fig 10 Wiring plan 1 Voltage supply 5 4 Wiring plan version IP 66 IP 68 1 bar 1 2 Fig 11 Wire assignment connection cable 1 Brown and blue to power supply or to the processing system 2 Shielding Wire assignment con nection cable ...

Page 19: ... to max mode The mode is selected on the signal conditioning instrument with the mode switch The switching output will change if you set one of the two mode switches afterwards This could possibly trigger other connected instruments or devices 6 2 Adjustment elements 3 4 1 2 5 Fig 12 Electronics and connection compartment two wire output 1 Potentiometer for adjustment of the density range 2 DIL sw...

Page 20: ...h to max mode In this case you select the requested mode according to the Function table max max detection or overfill protection min min detection or dry run detection on the VEGATOR signal conditioning instrument When used on a control system the following values apply Mode min Vibrating element uncovered 16 mA 1 mA Vibrating element covered 8 mA 1 mA Mode max Vibrating element uncovered 8 mA 1 ...

Page 21: ...verview of the switching conditions depending on the adjusted mode of the signal conditioning instru ment and the level Note Keep in mind that the mode switch of VEGAVIB 61 must be always set to max Mode on the signal conditioning in strument Level Signal current Sensor Signal lamp sen sor Signal lamp sig nal conditioning instrument Mode A Overflow protection approx 8 mA Green Mode A Overflow prot...

Page 22: ...itioning instrument VEGATOR 636 Ex or SPLC safety oriented PLC The following options are available for carrying out the proof test 1 Filling of the vessel up to the switching point 2 Dismounting of the sensor and immersion in the original medium 3 Short interruption of the supply line to the sensor 4 Pushing the test key on the signal conditioning instrument 1 Filling the vessel up to the switchin...

Page 23: ...ectness of the subsequent switching conditions must be monitored via the two LEDs on the signal conditioning instrument as well as the connected devices The sensor must neither be dismount ed nor triggered by filling the vessel This applies for VEGAVIB 61 with two wire electronics module VB60Z You can carry out the function test with the outputted current values also directly via a safety PLC or a...

Page 24: ...doing this you can check the correct function of the measuring system Note Keep in mind that the starting time tA of the voltage supply can extend the time up to the first switching e g VEGATOR 636 1 s After releasing the button or after a brief line break Sensor current Sensor Level relay A overfill protection Signal lamp A Overfill protection Level relay B dry run protection Signal lamp B Dry ru...

Page 25: ...lamp A Overfill protection Level relay B dry run protection Signal lamp B Dry run protection Fail safe relay Control lamp 4 Return to current operating condition Test passed Status Current value Time False signal 3 6 mA 1 5 s 0 5 s Uncovered 8 mA 1 5 mA 1 5 s 0 5 s Covered 16 mA 1 5 mA 1 5 s 0 5 s Test assessment SPLC ...

Page 26: ...incurred Error Reason Rectification VEGAVIB 61 signals covered without being submerged overfill pro tection VEGAVIB 61 signals un covered when being submerged dry run pro tection Operating voltage too low Check operating voltage Electronics defective Press the mode switch If the instrument then changes the mode the vibrating element may be covered with buildup or mechanically damaged Should the sw...

Page 27: ... module with a different signal output you can download the corresponding operating instruc tions manual from our homepage under Downloads With Ex d instruments the housing cover may only be opened if there is no explosive atmosphere present Proceed as follows 1 Switch off power supply 2 Unscrew the housing lid 3 Lift the opening levers of the terminals with a screwdriver 4 Pull the connection cab...

Page 28: ...inal spring closing 13 Check the hold of the wires in the terminals by lightly pulling on them 14 Check cable gland on tightness The seal ring must completely encircle the cable 15 Screw the housing lid back on The electronics exchange is now finished 7 4 How to proceed if a repair is necessary You can find an instrument return form as well as detailed informa tion about the procedure in the downl...

Page 29: ...e recycled by spe cialised recycling companies We use recyclable materials and have designed the electronics to be easily separable WEEE directive 2002 96 EG This instrument is not subject to the WEEE directive 2002 96 EG and the respective national laws Pass the instrument directly on to a spe cialised recycling company and do not use the municipal collecting points These may be used only for pri...

Page 30: ...astic PBT Polyester Ʋ Ʋ Aluminium die cast housing Aluminium die casting AlSi10Mg powder coated basis Polyester Ʋ Ʋ Stainless steel housing precision casting 316L Ʋ Ʋ Stainless steel housing electropol ished 316L Ʋ Ʋ Seal between housing and housing lid Silicone Ʋ Ʋ Light guide in housing cover plastic PMMA Makrolon Ʋ Ʋ Ground terminal 316L Ʋ Ʋ Cable gland PA stainless steel brass Ʋ Ʋ Sealing cabl...

Page 31: ...delay Ʋ Ʋ When immersed 0 5 s Ʋ Ʋ When laid bare 1 s Ambient conditions Ambient temperature on the housing 40 80 C 40 176 F Storage and transport temperature 40 80 C 40 176 F Process conditions Measured variable Limit level of solids Process pressure 1 16 bar 100 1600 kPa 14 5 232 psig 6 bar 87psi 50 C 58 F 16 bar 232psi 50 C 122 F 100 C 212 F 0 C 32 F 150 C 302 F 200 C 392 F 250 C 482 F 1 2 Fig 4...

Page 32: ... 1 x cable gland M20 x 1 5 cable ø 5 9 mm 1 x blind plug M20 x 1 5 or 1 x closing cap NPT 1 x blind plug NPT or 1 x plug depending on the version 1 x blind stopper M20 x 1 5 Spring loaded terminals for wire cross section up to 1 5 mm AWG 16 Electromechanical data version IP 66 IP 68 1 bar Cable entry Ʋ Ʋ Single chamber housing 1 x IP 68 cable gland M20 x 1 5 1 x blind plug M20 x 1 5 or 1 x closing...

Page 33: ...s Protection rating Ʋ Ʋ Plastic housing IP 66 IP 67 NEMA Type 4X Ʋ Ʋ Aluminium and stainless steel stand ard IP 66 IP 68 0 2 bar NEMA Type 6P5 Ʋ Ʋ Aluminium and stainless housing optionally available IP 66 IP 68 1 bar NEMA Type 6P Protection class II Approvals Instruments with approvals can have different technical specifications depending on the version For that reason the associated approval doc...

Page 34: ...x1 5 M20x1 5 NPT Fig 50 Housing versions in protection IP 66 IP 67 and IP 66 IP 68 0 2 bar 1 Plastic single chamber 2 Stainless steel single chamber electropolished 3 Stainless steel single chamber precision casting 4 Aluminium single chamber Housing in protection IP 66 IP 68 1 bar 117 mm 4 61 103 mm 4 06 ø 77 mm 3 03 116 mm 4 57 150 mm 5 91 ø 84 mm 3 31 M20x1 5 M20x1 5 M20x1 5 1 2 Fig 51 Housing ...

Page 35: ...70315 25 mm 0 98 20 mm 0 79 160 mm 6 3 125 mm 4 92 ø16 mm 0 63 ø 29 mm 1 14 G1 Fig 52 VEGAVIB 61 threaded version G1 DIN ISO 228 1 33 mm 1 30 22 mm 0 87 162 mm 6 38 ø16 mm 0 63 G1 ø 29 mm 1 14 125 mm 4 92 Fig 53 VEGAVIB 61 threaded version G1 DIN ISO 228 1 ...

Page 36: ...36 9 Supplement VEGAVIB 61 Two wire 8 16 mA 29268 EN 170315 ø 34 mm 1 34 178 mm 7 01 Fig 54 Temperature adapter ...

Page 37: ... des droits de propriété intellec tuelle Pour plus d informations on pourra se référer au site www vega com VEGA lineas de productos están protegidas por los derechos en el campo de la propiedad indus trial Para mayor información revise la pagina web www vega com Линии продукции фирмы ВЕГА защищаются по всему миру правами на интеллектуальную собственность Дальнейшую информацию смотрите на сайте ww...

Page 38: ...38 Notes VEGAVIB 61 Two wire 8 16 mA 29268 EN 170315 ...

Page 39: ...39 Notes VEGAVIB 61 Two wire 8 16 mA 29268 EN 170315 ...

Page 40: ...e of delivery application practical use and operat ing conditions of the sensors and processing systems correspond to the information available at the time of printing Subject to change without prior notice VEGA Grieshaber KG Schiltach Germany 2017 Phone 49 7836 50 0 Fax 49 7836 50 201 E mail info de vega com www vega com ...