Measured value indication ....................38 Parameter adjustment - Quick setup ................38 Parameter adjustment - Extended adjustment..............39 Saving the parameterisation data ................... 52 Setup with PACTware Connect the PC ......................53 Parameter adjustment ....................53 VEGABAR 81 • Profibus PA...
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Safety 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: 2017-05-17 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".
Installations in Canada shall comply with the relevant requirements of the Canadian Electrical Code Environmental instructions Protection of the environment is one of our most important duties. That is why we have introduced an environment management system VEGABAR 81 • Profibus PA...
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The environment management system is certified according to DIN EN ISO 14001. Please help us fulfil this obligation by observing the environmental instructions in this manual: • Chapter "Packaging, transport and storage" • Chapter "Disposal" VEGABAR 81 • Profibus PA...
Alternatively, you can access the data via your smartphone: • Download the smartphone app "VEGA Tools" from the "Apple App Store" or the "Google Play Store" • Scan the Data Matrix code on the type label of the instrument or •...
Optional instrument features are also described in this operating instructions manual. 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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Chemical seal The VEGABAR 81 is equipped with a chemical seal. It consists of a stainless steel diaphragm and a transmission liquid. A chemical seal has two tasks: •...
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Measuring ranges up to 40 bar: piezoresistive sensor element with a transmission liquid, measuring ranges from 100 bar: a dry strain gauge (DMS) sensor element. Fig. 5: Configuration of a measuring system with piezoresistive sensor element Sensor element Base element Transmission liquid Diaphragm VEGABAR 81 • Profibus PA...
Caution: The VEGABAR 81 in this version may not be used in oxygen ap- plications. For this purpose, instruments are available in the special version "Oil and grease-free for oxygen applications".
PC/notebook with Bluetooth USB adapter (Windows operating system) You can find further information in the operating instructions "Display and adjustment module PLICSCOM" (Document-ID 27835). Bluetooth function with VEGADIS 82 can only be used at a later date. VEGABAR 81 • Profibus PA...
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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 "VEGADIS adapter"...
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Supplementary electron- The supplementary electronics is a replacement part for sensors with ics for 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...
The free openings for the cable glands are therefore covered with red dust protection caps as transport protection. The dust protection caps do not provide sufficient protection against moisture. VEGABAR 81 • Profibus PA...
Ambient temperature Ventilation and pressure compensation Filter elements Ventilation and pressure compensation are carried out with VEGABAR 81 via a filter element. It is air permeable and moisture- blocking. Caution: The filter element causes a time-delayed pressure compensation. When quickly opening/closing the housing cover, the measured value can change for approx.
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Instruments in Ex-d ver- The filter element is integrated in the process assembly. It is located in sion a rotatable metal ring and has the following function: • Atmospheric pressure compensation (with relative pressure meas- uring ranges) VEGABAR 81 • Profibus PA...
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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...
Process pressure measurement Measurement setup in Keep the following in mind when setting up the measuring system: gases • Mount the instrument above the measuring point Possible condensation can then drain off into the process line. VEGABAR 81 • Profibus PA...
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Pipeline Keep the following in mind when setting up the measuring system: Measurement setup in 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. 15: 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. 17: Drilling template - wall mounting plate VEGABAR 81 • Profibus PA...
Prior to setup you have to replace these protective caps with ap- proved cable glands or close the openings with suitable blind plugs. On plastic housings, the NPT cable gland or the Conduit steel tube must be screwed into the threaded insert without grease. VEGABAR 81 • Profibus PA...
4. Remove approx. 10 cm (4 in) of the cable mantle, strip approx. 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 VEGABAR 81 • Profibus PA...
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"Technical data - Electromechanical data". 7. Check the hold of the wires in the terminals by lightly pulling on them 8. Connect the screen to the internal ground terminal, connect the external ground terminal to potential equalisation VEGABAR 81 • Profibus PA...
Electronics compartment 6 7 8 Fig. 21: 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...
Electronics compartment 6 7 8 Fig. 23: 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 VEGADIS-Adapter Electronics compartment Fig. 25: View to the electronics compartment with VEGADIS adapter for connec- tion of the external display and adjustment unit VEGADIS adapter 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. 27: 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. 28: 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...
After connecting the instrument to power supply or after a voltage recurrence, the instrument carries out a self-check for approx. 10 s: • Internal check of the electronics • Indication of a status message on the display or PC VEGABAR 81 • Profibus PA...
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Output signal at instruments with current output 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. 32: Installing the display and adjustment module in the electronics compart- ment of the single chamber housing VEGABAR 81 • Profibus PA...
If you intend to retrofit the instrument with a display and adjustment module for continuous measured value indication, a higher lid with an inspection glass is required. Adjustment system Fig. 34: Display and adjustment elements LC display Adjustment keys • Key functions [OK] key: VEGABAR 81 • Profibus PA...
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(with inspection window) of the sensor housing. Fig. 35: Display and adjustment elements - with adjustment via magnetic pen LC display Magnetic pen Adjustment keys Bluetooth symbol Lid with inspection window VEGABAR 81 • Profibus PA...
Parameter adjustment - Quick setup To quickly and easily adapt the sensor to the application, select the menu item "Quick setup" in the start graphic on the display and adjustment module. Select the individual steps with the [->] key. VEGABAR 81 • Profibus PA...
Profibus PA network. Then the address must be changed to integrate additional instruments. The address setting is carried out either via: 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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Save your settings with [OK] and move with [ESC] and [->] to the next menu item. After the position correction is carried out, the actual measured value is corrected to 0. The corrective value appears with an inverse sign as offset value in the display. VEGABAR 81 • Profibus PA...
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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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If the adjustment ranges are exceeded, the message "Outside param- eter limits" appears. The editing procedure can be aborted with [ESC] or the displayed limit value can be accepted with [OK]. The span adjustment is finished. VEGABAR 81 • Profibus PA...
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- and the indication or output of the volume is required. Corresponding linearization curves are preprogrammed for these vessels. They represent the correlation between the level per- centage and vessel volume. The linearization applies to the measured value indication and the current output. VEGABAR 81 • Profibus PA...
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(Channel) to the respective values of the output (Out Scale). The units correspond to the previous selection. Min. values for PV lin Proc. and Out Scale process pressure in bar: Max. values for PV lin Proc. and Out Scale process pressure in bar: VEGABAR 81 • Profibus PA...
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This menu item enables the setting of the requested national lan- guage. The following languages are available: • German • English • French • Spanish • Russian • Italian • Dutch • Portuguese • Japanese • Chinese • Polish VEGABAR 81 • Profibus PA...
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6 Set up with the display and adjustment module • Czech • Turkish In the delivery status, the VEGABAR 81 is set to English or the or- dered national language. Display - Displayed value In this menu item, you define which measured value is displayed. 1 and 2 The default setting for the display value is "Lin.
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After a reset, certain parameter adjustments made by the user are Reset reset. The following reset functions are available: Delivery status: Restores the parameter settings at the time of shipment from the factory, incl. the order-specific settings. Any user- VEGABAR 81 • Profibus PA...
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Signal output in % Displayed value 2 Ceramic measuring cell: Measuring cell temperature in °C Metallic measuring cell: Electronics temperature in °C Display format 1 and 2 Number of positions after the decimal point, automatically Backlight Switched on VEGABAR 81 • Profibus PA...
If the data do not match, a fault message is outputted or the function is blocked. The data are saved only after release. VEGABAR 81 • Profibus PA...
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In this menu item, the Profibus ident number of the sensor is dis- number played. Info - Sensor character- In this menu item, the features of the sensor such as approval, pro- istics cess fitting, seal, measuring range, electronics, housing and others are displayed. VEGABAR 81 • Profibus PA...
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 device settings". 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 parameterisation data We recommend documenting or saving the parameterisation 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...
This status message is inactive by default. It can be activated by the user via PACTware/DTM or EDD. Failure The following table shows the error codes and text messages in the status message "Failure" and provides information on causes as well as corrective measures. VEGABAR 81 • Profibus PA...
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Modify connected sensor con- Installation/Setup application process pressure) figuration or application error for selected application • Invalid sensor configuration (e.g.: application electronic differential pressure with con- nected differential pressure measuring cell) VEGABAR 81 • Profibus PA...
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Exchanging the electronics Bit 17 • Send instrument for repair Error in the event memory • • M504 Hardware defect Exchanging the electronics Bit 19 • Send instrument for repair Error at a device in- terface VEGABAR 81 • Profibus PA...
Should these measures not be successful, please call in urgent cases 24 hour service hotline 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.
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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 Fig. 40: VEGABAR 81 in IP 68 version, 25 bar and lateral cable outlet, external housing Process assembly...
Attach the completed form and, if need be, also a safety data sheet outside on the packaging • Please contact the agency serving you to get the address for the return shipment. You can find the agency on our home page www.vega.com. VEGABAR 81 • Profibus PA...
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 with IP 68 (25 bar) version Ʋ Cable cover PE, PUR Ʋ Type label support on cable PE hard Connection cable with IP 68 (1 bar) PE, PUR version Between transmitter and external electronics housing. Fix connected to the sensor VEGABAR 81 • Profibus PA...
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11 Supplement 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 process fitting with thread 40 Nm (29.50 lbf ft) Max. torque for NPT cable glands and Conduit tubes Ʋ...
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Zero/Span adjustment: Ʋ Zero -20 … +95 % Ʋ Span -120 … +120 % Ʋ Difference between zero and span max. 120 % of the nominal range Max. permissible Turn Down Unlimited (recommended 20 : 1) VEGABAR 81 • Profibus PA...
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: dead time; t : rise time; t : jump response time Process variable Output signal VEGABAR 81 VEGABAR 81 - IP 68 (25 bar) Dead time ≤ 25 ms ≤ 50 ms Rise time (10 … 90 %) ≤ 55 ms ≤...
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They are available on request. Temperature coefficient of the chemical seal in mbar/10 K with Ʋ Flange DN 50 PN 40, Form C, 1.2 mbar/10 K DIN 2501 VEGABAR 81 • Profibus PA...
2 m, 3 m -40 … +200 °C (- -40 … +60 °C (- 40 … +392 °F) 40 … +140 °F) Depending on which chemical seal is used, the values can also be higher. VEGABAR 81 • Profibus PA...
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0 °C (32 °F) -40 °C 50 °C 100 °C 150 °C (-104 °F) (122 °F) (212 °F) (302 °F) Fig. 42: Temperature derating VEGABAR 81, process fittings Alloy 400 Process temperature Process pressure no vacuum VEGABAR 81 • Profibus PA...
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Connection cable, mechanical data Ʋ Configuration Wires, strain relief, breather capillaries, screen braiding, metal foil, mantle Ʋ Standard length 5 m (16.40 ft) Depending on the instrument version. IP 66/IP 68 (0.2 bar), only with absolute pressure. VEGABAR 81 • Profibus PA...
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Cable length Standard cable Screened 4 … 20 mA/HART 50 m ● – Modbus Profibus PA, Foundation 25 m – ● Fieldbus Interface to the slave sensor Data transmission Digital (I²C-Bus) Configuration, connection cable 4-wire, screened VEGABAR 81 • Profibus PA...
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Potential connections and electrical separating measures in the instrument Electronics Not non-floating Ground terminal Galvanically connected with the metal process fitting Galvanic separation between electronics and metal housing parts Ʋ Reference voltage 500 V AC 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, "Instrument search (serial number)" as well as in the download area.
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The following graphics show the areas of application for the different pressure transmission liquids. mbar 1000 T °C Fig. 43: Area of application for high temperature oil KN 32 Standard chemical seal Chemical seal with vacuum service VEGABAR 81 • Profibus PA...
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Fig. 44: Area of application for silicone oil KN 2.2 Standard chemical seal Chemical seal with vacuum service mbar 1000 T °C Fig. 45: Area of application for silicone oil KN 17 Standard chemical seal Chemical seal with vacuum service VEGABAR 81 • Profibus PA...
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1000 T °C Fig. 46: Area of application for Halocarbon oil KN21 Standard chemical seal Chemical seal with vacuum service mbar 1000 T °C Fig. 47: Application area for Halocarbon oil KN21 for oxygen applications VEGABAR 81 • Profibus PA...
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Fig. 48: Area of application for Neobee KN 59 Standard chemical seal Chemical seal with vacuum service mbar 1000 T °C Fig. 49: Area of application for med. white oil KN 92 Standard chemical seal Chemical seal with vacuum service VEGABAR 81 • Profibus PA...
0x9702 VE010BF9.GSD PA139702.GSD Cyclical data traffic The master class 1 (e.g. PLC) cyclically reads out measured values from the sensor during opera- tion. The below block diagram below shows which data can be accessed by the PLC. VEGABAR 81 • Profibus PA...
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11 Supplement Fig. 50: 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. 52: 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 VEGABAR 81 • Profibus PA...
- low limited 0 x 8e good (non-cascade) - ac- Hi-Hi-Alarm tive critical alarm - high limited 11.4 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. 53: Housing versions with protection rating IP 66/IP 67 - with integrated display and adjustment module the housing is 9 mm/0.35 in higher...
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Fig. 56: Housing versions with protection rating IP 66/IP 68 (0.2 bar) - with integrated display and adjustment module the housing is 9 mm/0.35 in higher Stainless steel single chamber (electropolished) Stainless steel single chamber (precision casting) Stainless steel double chamber housing (precision casting) VEGABAR 81 • Profibus PA...
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ø 80 mm (3.15") M20x1,5/ ½ NPT Fig. 58: Housing version with protection rating IP 69K - with integrated display and adjustment module the housing is 9 mm/0.35 in higher Stainless steel single chamber (electropolished) VEGABAR 81 • Profibus PA...
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(1.64") ~ 66 mm (2.60") 110 mm x 90 mm (4.33" x 3.54") Fig. 59: VEGABAR 81, IP 68 version with external housing Lateral cable outlet Axial cable outlet Plastic single chamber Stainless steel single chamber Seal 2 mm (0.079 in) - only with 3A approval...
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(1.54") ø 60 mm (2.36") Fig. 60: VEGABAR 81, threaded fitting GE G½ A outside PN 160, ISO 228-1; diaphragm: inside; > 105 °C with temperature adapter GK G¾ A outside PN 600, DIN 3852-E; diaphragm: front-flush GL G1 A outside PN 600, ISO 228-1; diaphragm: front-flush GN G1½...
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RD44x " inch RD44x " 4.09" 0.79" Fig. 61: 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. 62: VEGABAR 81, flange connection, dimensions in mm Flange connection according to DIN 2501 Flange connection according to ASME 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. 63: VEGABAR 81, flange connection, dimensions in inch Flange connection according to DIN 2501 Flange connection according to ASME B16.5 Diaphragm diameter VEGABAR 81 • Profibus PA...
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4.02" 0.79" 16..100 7.87" 5.43" 6.3" 0.71" 3.5" 0.79" 5.43" 3.5" Fig. 64: 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...
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.