Parameter adjustment - Quick setup ................33 Parameter adjustment - Extended adjustment..............34 Saving the parameter adjustment data ................47 Setup with PACTware Connect the PC ......................49 Parameter adjustment ....................49 Saving the parameter adjustment data ................50 VEGABAR 81 • Profibus PA...
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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. Editing status:2014-07-01 VEGABAR 81 • Profibus PA...
Action This arrow indicates a single action. Sequence of actions Numbers set in front indicate successive steps in a procedure. Battery disposal This symbol indicates special information about the disposal of bat- teries and accumulators. VEGABAR 81 • Profibus PA...
During work on and with the device the required personal protective equipment must always be worn. Appropriate use The VEGABAR 81 is a pressure transmitter for process pressure and hydrostatic level measurement. You can find detailed information about the area of application in chapter "Product description".
The environment management system is certified according to DIN EN ISO 14001. Please help us fulfill this obligation by observing the environmental instructions in this manual: • Chapter "Packaging, transport and storage" • Chapter "Disposal" VEGABAR 81 • Profibus PA...
Order-specific sensor data for an electronics exchange (XML) • Test certificate (PDF) - optional Go to www.vega.com, "VEGA Tools" and "Instrument search". Enter the serial number. Alternatively, you can access the data via your smartphone: VEGABAR 81 • Profibus PA...
In the operating instructions manual, the optional instrument features are described. The respective scope of delivery results from the order specification. Principle of operation Measured variables The VEGABAR 81 is suitable for the measurement of the following process variables: • Process pressure •...
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3 Product description In combination with a slave sensor, VEGABAR 81 is also suitable for Electronic differential pressure electronic differential pressure measurement. You can find detailed information in the operating instructions of the respective slave sensor. Application area VEGABAR 81 is suitable for applications in virtually all industries. It is used for the measurement of the following pressure types.
Caution: The VEGABAR 81 in this version may not be used in oxygen ap- plications. For this purpose, instruments of VEGABAR series 80 are available in the special version "Oil and grease-free for oxygen applications".
VEGABAR 81 an electronic differential pressure measurement. You can find further information in the operating instructions of the respective slave sensor. VEGADIS 81 The VEGADIS 81 is an external display and adjustment unit for VEGA plics sensors. ® For sensors with double chamber housing the interface adapter "DIS- ADAPT"...
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Supplementary electron- The supplementary electronics is a replacement part for sensors with ics Profibus PA Profibus PA and double chamber housing. You can find further information in the operating instructions "Supple- mentary electronics for Profibus PA" (Document-ID 42767). VEGABAR 81 • Profibus PA...
Higher process temperatures often mean also higher ambient Temperature limits temperatures. Make sure that the upper temperature limits stated in chapter "Technical data" for the environment of the electronics hous- ing and connection cable are not exceeded. VEGABAR 81 • Profibus PA...
Ventilation of the electronics housing • Atmospheric pressure compensation (with relative pressure meas- uring ranges) → Turn the housing so that the filter element points downward after the instrument is installed. This provides better protection against buildup. VEGABAR 81 • Profibus PA...
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Single chamber housing, aluminium, stainless steel precision casting Double chamber housing, aluminium, stainless steel precision casting Rotatable metal ring Filter element Instruments with absolute pressure have a blind plug mounted instead of the filter element. VEGABAR 81 • Profibus PA...
Pipeline Measurement setup in Keep the following in mind when setting up the measuring system: vapours • Connect via a siphon • Do not insulate the siphon • Fill the siphon with water before setup VEGABAR 81 • Profibus PA...
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Keep the following in mind when setting up the measuring system: liquids • Mount the instrument below the measuring point The effective pressure line is always filled with liquid and gas bubbles can bubble up to the process line. VEGABAR 81 • Profibus PA...
Do not mount the instrument close to the filling stream or emptying area • Mount the instrument so that it is protected against pressure shocks from the stirrer Fig. 11: Measurement setup for level measurement VEGABAR 81 • Profibus PA...
1. Mark the holes according to the following drilling template 2. Fasten wall mounting plate with 4 screws 90 mm (3.54") 70 mm (2.76") 8 mm (0.12") (0.32") Fig. 13: Drilling template - wall mounting plate VEGABAR 81 • Profibus PA...
The screen in the sensor must be connected directly to the internal ground terminal. The ground terminal outside on the housing must be connected to the potential equalisation (low impedance). VEGABAR 81 • Profibus PA...
1 cm (0.4 in) of insulation from the ends of the individual wires 5. Insert the cable into the sensor through the cable entry Fig. 14: Connection steps 5 and 6 - Single chamber housing VEGABAR 81 • Profibus PA...
10. Reinsert the display and adjustment module, if one was installed 11. Screw the housing cover back on The electrical connection is finished. Single chamber housing The following illustration applies to the non-Ex, Ex-ia and Ex-d ver- sion. VEGABAR 81 • Profibus PA...
Electronics compartment 6 7 8 Fig. 17: Electronics compartment, double chamber housing Internal connection to the terminal compartment Contact pins for the display and adjustment module or interface adapter Selection switch for bus address VEGABAR 81 • Profibus PA...
Double chamber housing Ex d Electronics compartment 6 7 8 Fig. 19: Electronics compartment, double chamber housing Internal connection to the terminal compartment Contact pins for the display and adjustment module or interface adapter Selection switch for bus address VEGABAR 81 • Profibus PA...
Double chamber housing with DIS-ADAPT Electronics compartment Fig. 21: View to the electronics compartment with DISADAPT for connection of the external display and adjustment unit DIS-ADAPT Internal plug connection Plug connector M12 x 1 VEGABAR 81 • Profibus PA...
Black Housing IP 66/IP 68 (1 bar) Wire assignment, con- nection cable Fig. 23: Wire assignment in permanently connected connection cable brown (+) and blue (-) to power supply or to the processing system Shielding VEGABAR 81 • Profibus PA...
5 Connecting to the bus system External housing with version IP 68 (25 bar) Overview Fig. 24: VEGABAR 81 in IP 68 version 25 bar with axial cable outlet, external housing Transmitter Connection cable External housing Electronics and connec- tion compartment for power supply 4...20mA...
10 s: • Internal check of the electronics • Indication of the instrument type, hardware and software version, measurement loop name on the display or PC VEGABAR 81 • Profibus PA...
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The output signal jumps to the set fault current Then the actual measured value is outputted to the signal cable. The value takes into account settings that have already been carried out, e.g. default setting. VEGABAR 81 • Profibus PA...
The display and adjustment module is powered by the sensor, an ad- ditional connection is not necessary. Fig. 28: Installing the display and adjustment module in the electronics compart- ment of the single chamber housing VEGABAR 81 • Profibus PA...
Adjustment system Fig. 30: Display and adjustment elements LC display Adjustment keys • Key functions [OK] key: – Move to the menu overview VEGABAR 81 • Profibus PA...
This menu item is used to select the national language for further Selection language parameter adjustment. A later change of the selection is possible via menu item "Setup - Display, Menu language". With the "OK" key you move to the main menu. VEGABAR 81 • Profibus PA...
In this menu item you carry out the zero adjustment for the processs pressure. Enter the corresponding pressure value for 0 %. 7. Span adjustment In this menu item you carry out the span adjustment for the processs pressure Enter the corresponding pressure value for 100 %. VEGABAR 81 • Profibus PA...
The quick setup is finished. Parameter adjustment - Extended adjustment For technically demanding measuring points, you can carry out extended settings in "Extended adjustment". Main menu The main menu is divided into five sections with the following func- tions: VEGABAR 81 • Profibus PA...
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Hardware addressing is effective if an address less than 126 is set with the address selection switches on the electronics module of VEGABAR 81. In such case, software addressing has no effect - only the set hardware address applies. Software addressing Software addressing is only effective if address 126 or higher is set on the instrument with the address selection switches.
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In this menu item you activate/deactivate the slave sensor for elec- tronic differential pressure and select the application. VEGABAR 81 can be used for process pressure and level measure- ment. Default setting is process pressure measurement. The mode can be changed in this adjustment menu.
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Setup - Adjustment VEGABAR 81 always measures pressure independently of the pro- cess variable selected in the menu item "Application". To output the selected process variable correctly, an allocation of the output signal to 0 % and 100 % must be carried out (adjustment).
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Setup - span adjustment Proceed as follows: 1. Select with [->] the menu item "Span adjustment" and confirm with [OK]. 2. Edit the mbar value with [OK] and set the cursor to the requested position with [->]. VEGABAR 81 • Profibus PA...
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[OK]. The cursor jumps now to the pressure value. 4. Enter the pressure value for the full vessel (e.g. 900 mbar) cor- responding to the percentage value. 5. Save settings with [OK] The max. adjustment is finished. VEGABAR 81 • Profibus PA...
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In the menu item "Scaling", you assign the min. and max. values of Setup - AI FB1 - Scaling the input signal (Channel) to the respective values of the output (Out Scale). The units correspond to the previous selection. VEGABAR 81 • Profibus PA...
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With active PIN, adjustment via PACTware/DTM as well as other systems is also blocked. You can change the PIN number under "Additional settings - PIN". Display - Language This menu item enables the setting of the requested national lan- guage. VEGABAR 81 • Profibus PA...
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Polish • Czech • Turkish In the delivery status, the VEGABAR 81 is set to the ordered national language. Display - Displayed value In this menu item you can define the way measured values are indi- 1 and 2 cated on the display.
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In this menu item, you adjust the internal clock of the sensor. There is Date Time no adjustment for summer/winter (daylight saving) time. Additional adjustments With a reset, certain parameter adjustments carried out by the user - Reset are reset. VEGABAR 81 • Profibus PA...
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≥1 bar) Temperature unit °C Position correc- 0.00 bar tion Adjustment Zero/Min. adjust- 0.00 bar ment 0.00 % Span/Max. adjust- Nominal measuring range in bar ment 100.00 % Damping Integration time 0.0 s Linearization Linear VEGABAR 81 • Profibus PA...
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Additional adjustments - The instrument settings are copied with this function. The following Copy instrument settings functions are available: • Read from sensor: Read data from sensor and save in the display and adjustment module VEGABAR 81 • Profibus PA...
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(2) and the scaling of the measured level value for 0 % and 100 %. In this menu item, you can read out the instrument name and the Info - Instrument name instrument serial number: VEGABAR 81 • Profibus PA...
The data remain there permanently even if the sensor power supply fails. The following data or settings for adjustment of the display and ad- justment module are saved: • All data of the menu "Setup" and "Display" VEGABAR 81 • Profibus PA...
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If it is necessary to exchange a sensor, the display and adjustment module is inserted into the replacement instrument and the data are likewise written into the sensor via the menu item "Copy sensor data". VEGABAR 81 • Profibus PA...
Further setup steps are described in the operating instructions manu- al "DTM Collection/PACTware" attached to each DTM Collection and which can also be downloaded from the Internet. Detailed descrip- tions are available in the online help of PACTware and the DTMs. VEGABAR 81 • Profibus PA...
The standard version is available as a download under www.vega.com/downloads and "Software". The full version is avail- able on CD from the agency serving you. Saving the parameter adjustment data We recommend documenting or saving the parameter adjustment data via PACTware.
Set up with other systems DD adjustment programs Device descriptions as Enhanced Device Description (EDD) are available for DD adjustment programs such as, for example, AMS™ and PDM. The files can be downloaded at www.vega.com/downloads under "Software". VEGABAR 81 • Profibus PA...
• Switch-on and switch-off times • Status messages (according to NE 107) • Error messages (according to NE 107) The data are read out via a PC with PACTware/DTM or the control system with EDD. VEGABAR 81 • Profibus PA...
PACTware/DTM or EDD. Failure The following table shows the error codes in the status message "Failure" and gives information on the reason and rectification. Keep in mind that some information is only valid with four-wire instruments. VEGABAR 81 • Profibus PA...
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– Send instrument for repair Error in the – Error in the EEPROM calibration F261 – Error during setup – Repeat setup – Error when carrying out a – Repeat reset Error in the reset configuration VEGABAR 81 • Profibus PA...
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"Maintenance" and provides information on causes as well as corrective measures. Code Cause Rectification Text mes- sage M500 – Stored delivery status is – Send instrument for repair incorrect Error in the delivery sta- VEGABAR 81 • Profibus PA...
24 hour service hotline Should these measures not be successful, please call in urgent cases the VEGA service hotline under the phone no. +49 1805 858550. The hotline is also available outside normal working hours, seven days a week around the clock.
During exchange, protect the inner side of the parts against contami- nation and moisture. Proceed as follows when carrying out the exchange: 1. Losen the fixing screw with the hexagon key wrench 2. Carefully detach the cable assembly from the process assembly VEGABAR 81 • Profibus PA...
9 Diagnosis, asset management and service Fig. 35: VEGABAR 81 in IP 68 version, 25 bar and lateral cable outlet, external housing Process assembly Plug connector Fixing screw Cable assembly Connection cable External housing 3. Loosen the plug connector 4. Mount the new process assembly on the measuring point 5.
Instruments with approvals can be bound to certain software versions. Therefore make sure that the approval is still effective after a software update is carried out. You can find detailed information at www.vega.com/downloads and "Approvals". How to proceed if a repair is needed You can find a repair form as well as detailed information on how to proceed at www.vega.com/downloads and "Forms and certificates".
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 privately used products according to the WEEE directive. VEGABAR 81 • Profibus PA...
Connection cable, master and slave PE, PUR sensor Weights Total weight VEGABAR 81 approx. 0.8 … 8 kg (1.764 … 17.64 lbs), depending on process fitting and housing Torques Max. torque for NPT cable glands and Conduit tubes Ʋ Plastic housing 10 Nm (7.376 lbf ft)
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The specifications on the nameplate apply. Nominal range Overload capacity, max. Overload capacity, min. pres- pressure sure Gauge pressure 0 … +5 psig +25 psig -14.5 psig 0 … +15 psig +75 psig -14.5 psig VEGABAR 81 • Profibus PA...
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20 : 1 (no limitation) Output variable Output signal digital output signal, format according to IEEE-754 Sensor address 126 (default setting) Damping (63 % of the input variable) 0 … 999 s, adjustable Profibus PA profile 3.02 VEGABAR 81 • Profibus PA...
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Ʋ VEGABAR 81 ≤ 80 ms (ti: 0 s, 10 … 90 %) Ʋ VEGABAR 81 - IP 68 (25 bar) ≤ 200 ms (ti: 0 s, 10 … 90 %) To this amounts the reaction time of the isolatng system. This time varies from values < 1 s with compact chemical seals to several seconds with capillary systems.
5 m Halocarbon oil KN21 -40 … +150 °C (- -40 … +80 °C (- 40 … +302 °F) 40 … +176 °F) Depending on which chemical seal is used, the values can also be higher. VEGABAR 81 • Profibus PA...
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180 m (590.6 ft) Ʋ Min. bending radius 25 mm (0.984 in) with 25 °C (77 °F) Ʋ Diameter approx. 8 mm (0.315 in) Ʋ Colour - Non-Ex version Black Ʋ Colour - Ex-version Blue VEGABAR 81 • Profibus PA...
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4 … 20 mA, 4 … 20 mA/HART Ʋ Sensors with signal output Profibus 25 m PA, Foundation Fieldbus Interface to the slave sensor Data transmission digital (I²C-Bus) Configuration, connection cable 4-wire, screened Cable length max. 25 m VEGABAR 81 • Profibus PA...
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NEMA 6P Aluminium Single chamber IP 66/IP 67 NEMA 6P IP 68 (1 bar) Double chamber IP 66/IP 67 NEMA 6P Stainless steel, electro- Single chamber IP 66/IP 67 NEMA 6P polished Single chamber IP 69K VEGABAR 81 • Profibus PA...
Instruments with approvals can have different technical specifications depending on the version. For that reason the associated approval documents of these instruments have to be carefully noted. They are part of the delivery or can be downloaded under www.vega.com, "VEGA Tools" and "Instrument search" as well as under www.vega.com/downloads and "Approvals".
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11 Supplement Fig. 37: VEGABAR 81: Block diagram with AI FB 1 … AI FB 3 OUT values TB Transducer Block FB Function Block Analogue Input Module of the PA sensors For the cyclic data traffic, VEGABAR 81 provides the following modules: •...
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Fig. 39: Data format of the measured value Coding of the status byte associated with the PA output value You can find further information for the coding of the status byte in the Device Description 3.02 on www.profibus.com. VEGABAR 81 • Profibus PA...
- low limited 0 x 8e good (non-cascade) - ac- Hi-Hi-Alarm tive critical alarm - high limited 11.3 Dimensions The following dimensional drawings represent only an extract of the possible versions. Detailed VEGABAR 81 • Profibus PA...
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11 Supplement dimensional drawings can be downloaded at www.vega.com under "Downloads" and "Drawings". Plastic housing ~ 69 mm ~ 84 mm (2.72") (3.31") ø 79 mm ø 79 mm (3.11") (3.11") M16x1,5 M20x1,5/ ½ NPT M20x1,5/ ½ NPT Fig. 40: Housing versions in protection IP 66/IP 68 (0.2 bar) - with integrated display and adjustment module the housing is 9 mm/0.35 in higher...
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Fig. 43: Housing versions in protection IP 66/IP 68 (0.2 bar) - with integrated display and adjustment module the housing is 9 mm/0.35 in higher Single chamber version, electropolished Single chamber version, precision casting Double chamber version, precision casting VEGABAR 81 • Profibus PA...
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(2.3") ø 80 mm (3.15") M20x1,5/ ½ NPT Fig. 45: Housing version with protection rating IP 69K - with integrated display and adjustment module the housing is 9 mm/0.35 in higher Single chamber version, electropolished VEGABAR 81 • Profibus PA...
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(4.33" x 3.54") 41,6 mm (1.64") ~ 66 mm (2.60") 110 mm x 90 mm (4.33" x 3.54") Fig. 46: IP 68 version with external housing - plastic version Lateral cable outlet Axial cable outlet VEGABAR 81 • Profibus PA...
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G1 1/2 ø 39 mm ø 60 mm (1.54") (2.36") Fig. 47: VEGABAR 81, threaded fitting GE G½ (ISO 228-1), >105 °C with temperature adapter GK G¾ (DIN 3852-E) GL G1 A (DIN 3852-E) GN G1½ (DIN 3852-A) VEGABAR 81 • Profibus PA...
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" 4.09" 0.39" RD44x " 4.09" 0.79" Fig. 48: VEGABAR 81, tube isolating diaphragm Tube isolating diaphragm for mounting between flanges Tube isolating diaphragm according to DIN 11851 Tube isolating diaphragm according to DIN 11864-1 VEGABAR 81 • Profibus PA...
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4 x ø19 3" 24,3 152,4 4 x ø19 152,5 3" 24,3 152,4 Fig. 49: VEGABAR 81, flange connection, dimensions in mm Flange connection according to DIN 2501 Flange connection according to ANSI B16.5 Diaphragm diameter VEGABAR 81 • Profibus PA...
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4 x ø0.75" 6" 2.99" 2.84" 3" 7.48" 0.96" 6" 5" 0.08" Fig. 50: VEGABAR 81, flange connection, dimensions in inch Flange connection according to DIN 2501 Flange connection according to ANSI B16.5 Diaphragm diameter VEGABAR 81 • Profibus PA...
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4.02" 7.87" 0.79" 5.43" 0.71" 3.5" 16..100 6.3" 0.79" 5.43" 3.5" Fig. 51: VEGABAR 81, flange and cell isolating diaphragm with capillary line Flange isolating diaphragm with capillary line Cell isolating diaphragm with capillary line VEGABAR 81 • Profibus PA...
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Les lignes de produits VEGA sont globalement protégées par 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.
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Service hotline 56 Instrument address 35 Setup Instrument master file 70 – Quick setup 33 Simulation 43 Software addressing 35 Linearization 40 Status bytes PA output value 72 Status messages - NAMUR NE 107 53 VEGABAR 81 • Profibus PA...
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