Vega VEGAMET 841 Operating Download Page 63

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Notes

VEGAMET 841 • 4 … 20 mA

58864-EN-200401

Summary of Contents for VEGAMET 841

Page 1: ...Operating Instructions Controller in field housing for a continuously measuring analogue level sensor VEGAMET 841 4 20 mA Document ID 58864...

Page 2: ...eral instructions 12 4 2 Mounting instructions 12 5 Connecting to power supply 15 5 1 Preparing the connection 15 5 2 Sensor input mode active passive 15 5 3 Connecting 16 5 4 Wiring plan 16 5 5 Switc...

Page 3: ...update 47 11 5 How to proceed if a repair is necessary 48 12 Dismount 49 12 1 Dismounting steps 49 12 2 Disposal 49 13 Certificates and approvals 50 13 1 Radio licenses 50 13 2 Approvals for Ex areas...

Page 4: ...y entering the Document ID on www vega com you will reach the document download Information note tip This symbol indicates helpful additional infor mation and tips for successful work Note This symbol...

Page 5: ...he art instrument complying with all prevailing regulations and directives The instrument must only be operated in a technically flawless and reliable condition The operator is responsi ble for the tr...

Page 6: ...all comply with the relevant requirements of the National Electrical Code ANSI NFPA 70 Installations in Canada shall comply with the relevant requirements of the Canadian Electrical Code 2 6 Safety in...

Page 7: ...ormation sheet Access protection with Bluetooth access code Emergency Bluetooth unlock code Emergency device code The further scope of delivery encompasses Documentation Ex specific Safety instruction...

Page 8: ...enter in the search field the serial number of your instrument There you can find the following information about the instrument Order data Documentation Software Alternatively you can find all via yo...

Page 9: ...isplay and also output to the integrated current output for fur ther processing The measurement signal can thus be transferred to a remote display or a superordinate control system Operating relays fo...

Page 10: ...eration of the notes on the transport packaging Nonobservance of these instructions can cause damage to the device The delivery must be checked for completeness and possible transit damage immediately...

Page 11: ...ght and thus prevents overheating of the electronics It also improves the readabil ity of the display when exposed to sunlight The sun protection can be used for wall and pipe mounting The pipe mounti...

Page 12: ...on cable downward in front of the cable gland This applies mainly to outdoor installations in areas where high humidity is expected e g through cleaning processes and on cooled or heated vessels The v...

Page 13: ...for wall mounting VEGAMET 841 The optionally available mounting accessories are required for tube mounting The kit consists of two pairs of mounting brackets and four mounting screws M6 x 100 The moun...

Page 14: ...ional sun protection can be used to protect against direct sun light The sunshade is simply mounted between the mounting plate and the controller this is possible for both wall and pipe mounting 5 4 3...

Page 15: ...ent for the temperature resistance of the cable in the connection compartment in mind1 Warning In delivery status all openings are fitted with dust protection caps These caps are only for protection d...

Page 16: ...the spring loaded terminals Information Solid cores as well as flexible cores with wire end sleeves are inserted directly into the terminal openings In case of flexible cores without end sleeves a sm...

Page 17: ...re sensor 4 Four wire sensor 5 Voltage supply for four wire sensor 6 2 mm sockets for connection of a VEGACONNECT HART handheld 5 5 Switch on phase After switching on the device first carries out a sh...

Page 18: ...code can be changed by the user after the first connection is established If the Bluetooth access code is entered incorrectly the new entry is only possible after a waiting period has elapsed The wai...

Page 19: ...retrieved from your personal contact person after legitimation The storage and transmission of the device codes is always encrypt ed SHA 256 algorithm 6 3 Storing the codes in myVEGA If the user has...

Page 20: ...with the integrated display and adjustment unit e g the settings for flow measurement or pump control For such applications the use of PACTware DTM or the VEGA Tools app is recommended 1 3 2 4 5 Fig 8...

Page 21: ...measured value windows with different measured values can be configured If pump control is activated an additional status bar with display of the assigned pumps is available Measured values are displ...

Page 22: ...indication e g device sensor relay Simulation Simulation function Device TAG Display device name Device information Device information e g serial number 7 4 Setup steps Through parameter adjustment th...

Page 23: ...seconds is sufficient to smooth the measured value display A linearisation is necessary for all vessels in which the vessel volume does not increase linearly with the level for example a horizontal cy...

Page 24: ...available Relays 1 2 are freely available and not yet assigned to a function To be able to use these relays they must first be activated Relay 3 is configured in the factory as a fail safe relay but...

Page 25: ...e how many measured value windows are to be displayed The content of the measured value window is configured in the menu item Display Measured value window Up to 3 different measured values can be dis...

Page 26: ...he supplied information sheet Access protection You can find further details in chapter Access protection The device parameters can be protected against unwanted or unin tended changes by entering a d...

Page 27: ...ue Note Please note that downstream plant components valves pumps motors controls are influenced by the simulation which can lead to unintentional plant operating states The simulated value is output...

Page 28: ...for the first time the operating tool and the controller must authenticate each other After the first correct authentication each subsequent connection is made without a new authentication query For a...

Page 29: ...s protection menu item Protection of the parameter adjustment 8 3 Parameter adjustment The adjustment menu is divided into two halves On the left you will find the navigation area with the menus Setup...

Page 30: ...ctivating the integrated Bluetooth or the Bluetooth USB adapt er devices with Bluetooth are found and created in the project tree 9 2 Connecting Select the requested device for the online parameter ad...

Page 31: ...vated When delivered parameter protection is deactivated by default and can be activated at any time It is recommended to change the factory default 6 digit device code 000000 to your personal 4 10 di...

Page 32: ...tank the vessel volume does not increase linearly with the level e g with an horizontal cylin drical tank This can be compensated by selecting the linearisation curve integrated in the instrument Thi...

Page 33: ...ugh the most common selection possibilities Further application options are available on the corre sponding DTM app pages A more detailed description of all available application options is included i...

Page 34: ...90 switch on point 85 Relay 2 Switch off point 5 switch on point 10 Information The switch on and switch off point of the relays must not be set to the same switching point because this would cause a...

Page 35: ...2 3 4 1 2 Fig 15 Example of a display status bar with activated pump control 1 Symbol activated pump control 2 Relay 1 and 2 are assigned to the pump control 3 Relay 3 is assigned to the pump control...

Page 36: ...pumps can be configured The setup assistant and the following application examples provide you with details on how it works 8 Configure relay switching points In the last step enter the relay switchin...

Page 37: ...the following dia gram The previously described example is used as a basis Rel 1 80 On On Off Off On Rel 2 90 On Rel 1 2 10 Off 10 30 20 20 15 t h 5 Rel 1 Rel 2 Fig 16 Example of pump control 2 Pump c...

Page 38: ...longer period the same pump would always remain switched on Via the parameter Switchover time a time can be preset which after it is elapsed forces a switcho ver of the pump Which pump is switched on...

Page 39: ...the relay with the next higher index After the relay with the highest index the relay with the lowest index follows for example Rel 1 Rel 2 Rel 3 Rel 1 Rel 2 The sequence applies only to those relays...

Page 40: ...low the fair weather pump can no longer maintain the level In such cases a larger pump is switched on when the HiHi level is exceeded and the dry weather pump is switched off The large pump then remai...

Page 41: ...orn out bearings Since in this case all pumps operate alternately in the same area their switch on and switch off points must be the same In addition the mode Alternating pump operation must be active...

Page 42: ...than with the specified curves Rectangular flume ISO 4359 Trapezoidal flume ISO 4359 U shaped flume ISO 4359 Triangular overfall thin walled ISO 1438 Rectangular flume thin walled ISO 1438 Rectangular...

Page 43: ...t application Select from the offered options the application Flow measure ment flume Weir 2 Assign measuring loop name Assign a unique designation to the measuring point so that there can be no confu...

Page 44: ...adjustment values of the measuring point for 0 and for 100 7 Scaling Enter the measured value and unit e g flow rate in m h and the corresponding scaling values for 100 and 0 e g 100 m h 0 m h 8 Activ...

Page 45: ...tware PACTware and the suitable DTM offer you further com prehensive diagnostic possibilities In many cases the causes can be determined in this way and the faults eliminated Depending on the reason f...

Page 46: ...repair F013 Sensor input Sensor error The input of the measuring point returns an error The connected sensor returns an error Switch device sensor off an on Send device sensor for repair F014 Sensor...

Page 47: ...ne pulse per second is output S110 Relay Span too small Relay switching points too close together Increase the difference between the two relay switching points S111 Relay Switching points inter chang...

Page 48: ...ind detailed information in the download area on our home page 11 5 How to proceed if a repair is necessary You can find an instrument return form as well as detailed information about the procedure i...

Page 49: ...ake note of chapters Mounting and Connecting to voltage supply and carry out the listed steps in reverse order 12 2 Disposal The device is made of recyclable materials For this reason it should be dis...

Page 50: ...ll protection system are available or in preparation for this device series The corresponding approvals can be found on our homepage 13 4 EU conformity The device fulfils the legal requirements of the...

Page 51: ...tSt Weight with mounting plate 890 g 1 962 lbs Voltage supply Operating voltage Nominal voltage AC 100 230 V 15 10 50 60 Hz Nominal voltage DC 24 65 V DC 15 10 Power consumption max 11 VA 3 W Sensor i...

Page 52: ...350 ms Current output Quantity 1 x output Function Level flow sampling pulse Range 0 4 20 mA 20 0 4 mA Resolution 1 A Max load 500 Fault signal switch over 0 3 6 4 20 20 5 22 mA Accuracy Standard 20...

Page 53: ...tion range 99999 99999 LED displays Status operating voltage LED green Status fault signal LED red Status operating relay LED yellow Background lighting Colour signalling according to NAMUR NE 107 Adj...

Page 54: ...r the respective function can be activated and adjusted via the integrated indicating and adjustment unit OP or via DTM app 5 Applications adjustable with DTM app VEGAMET Adjustment 841 842 861 862 OP...

Page 55: ...OFF Relay mode flow rate pulse Relay mode sampling pulse Relay mode rising tendency Relay mode falling tendency Relay mode pump control 1 same running time Relay mode pump control 2 same running time...

Page 56: ...M App Simulation current output Simulation relay output Simulation digital input Date Time Internal device memory SD card Protection of the parameterization Bluetooth access code Activate deactivate B...

Page 57: ...864 EN 200401 82 mm 3 23 11 mm 0 43 160 mm 6 30 82 mm 3 23 104 mm 4 09 13 mm 0 51 7 mm 0 27 Fig 23 Dimensions mounting plate 82 mm 3 23 142 mm 5 59 198 mm 7 80 71 mm 2 76 82 mm 3 23 ca 141 mm 5 55 ca...

Page 58: ...ment VEGAMET 841 4 20 mA 58864 EN 200401 29 60 mm 1 14 2 36 82 mm 3 23 15 mm 0 59 97 mm 3 82 20 mm 0 79 M6 2 mm 0 08 20 mm 0 79 2 mm 0 08 20 mm 0 79 48 84 mm 1 89 3 31 Fig 25 Dimensions Brackets for t...

Page 59: ...com www vega com VEGA www vega com 14 5 License information for Open Source Software Hashfunction acc to mbed TLS Copyright C 2006 2015 ARM Limited All Rights Reserved SPDX License Identifier Apache 2...

Page 60: ...ll 42 Fluctuating product surface 23 Flume 42 Functional principle 9 H Horizontal cylindrical tank 23 Hysteresis 34 I Indication Background lighting 25 Backlight 25 Brightness 25 Contrast 25 Language...

Page 61: ...4 20 mA 58864 EN 200401 Short circuit 46 Simulation 27 Spherical tank 23 Storage tank 32 Sun shade 14 Switching window 24 T Tendency 24 Trapezoidal weir 42 Triangular overfall 42 Type label 8 V Ventur...

Page 62: ...62 Notes VEGAMET 841 4 20 mA 58864 EN 200401...

Page 63: ...63 Notes VEGAMET 841 4 20 mA 58864 EN 200401...

Page 64: ...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 n...

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