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1 For your safety

VEGABAR 81 • Slave sensor for electronic differential pressure

48050-EN-160212

1  For your safety

1.1  Authorised personnel

All operations described in this operating instructions manual must 

be carried out only by trained specialist personnel authorised by the 

plant operator.
During work on and with the device the required personal protective 

equipment must always be worn.

1.2  Appropriate use

VEGABAR 81 is a slave sensor for electronic differential pressure 

measurement.

You can find detailed information about the area of application in 

chapter "

Product description

".

Operational reliability is ensured only if the instrument is properly 

used according to the specifications in the operating instructions 

manual as well as possible supplementary instructions.

1.3  Warning about incorrect use

Inappropriate 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. Also the pro

-

tective characteristics of the instrument can be influenced. 

1.4  General safety instructions

This is a high-tech instrument requiring the strict observance of stand-

ard regulations and guidelines. The user must take note of the safety 

instructions in this operating instructions manual, the country-specific 

installation standards as well as all prevailing safety regulations and 

accident prevention rules.
The instrument must only be operated in a technically flawless and 

reliable condition. The operator is responsible for trouble-free opera

-

tion of the instrument.

During the entire duration of use, the user is obliged to determine the 

compliance of the necessary occupational safety measures with the 

current valid rules and regulations and also take note of new regula

-

tions.

1.5  CE conformity

The device fulfills the legal requirements of the applicable EC guide

-

lines. By affixing the CE marking, we confirm successful testing of the 

product.
You can find the CE Certificate of Conformity in the download section 

of our homepage.

Summary of Contents for VEGABAR 81

Page 1: ...Quick setup guide Pressure transmitter with metallic measuring cell VEGABAR 81 Slave sensor for electronic differential pres sure With SIL qualification Document ID 48050...

Page 2: ...n example 11 5 Set up with the display and adjustment module 5 1 Insert display and adjustment module 12 5 2 Parameter adjustment 13 6 Supplement 6 1 Technical data 18 Information This quick setup gui...

Page 3: ...fill or damage to system components through incorrect mounting or adjustment Also the pro tective characteristics of the instrument can be influenced 1 4 General safety instructions This is a high tec...

Page 4: ...mation in chapter Functional safety SIL The instrument meets the specifications of IEC 61508 2010 Edi tion 2 It is qualified for single channel operation up to SIL2 The instrument can be used homogene...

Page 5: ...tion class 13 ID numbers instrument documentation 14 Reminder to observe the instrument documentation 15 SIL identification The type label contains the serial number of the instrument With it you can...

Page 6: ...the following functions Ventilation of the electronics housing Atmospheric pressure compensation with relative pressure meas uring ranges Turn the housing so that the filter element points downward a...

Page 7: ...s can result see following examples Data Application Level measurement Medium Water Vessel height 12 m hydrostatic pressure 12 m x 1000 kg m3 x 9 81 m s2 117 7 kPa 1 18 bar Superimposed pressure 1 bar...

Page 8: ...Nominal measuring range Slave 1 bar Turn Down 1 bar 0 050 bar 20 1 The measuring result level pressure difference as well as measured value Slave static or superimposed pressure are outputted by the...

Page 9: ...block is pluggable and can be removed from the electronics To do this lift the terminal block with a small screwdriver and pull it out When reinserting the terminal block you should hear it snap in Yo...

Page 10: ...the supplied cable gland 10 Connection cable to Master see steps 3 to 8 11 Screw the housing lid back on The electrical connection is finished 4 2 Single chamber housing The following illustration app...

Page 11: ...g 5 Connection example electronic differential pressure 1 Master sensor 2 Slave sensor 3 Connection cable 4 Supply and signal circuit Master sensor Connection between master and sensor is carried out...

Page 12: ...s each displaced by 90 It is not necessary to interrupt the power supply Proceed as follows 1 Unscrew the housing lid 2 Place the display and adjustment module on the electronics in the desired positi...

Page 13: ...ss is required 5 2 Parameter adjustment A parameter change with SIL qualified instruments must always be carried out as follows Unlock adjustment Change parameters Lock adjustment and verify modified...

Page 14: ...level 3 Select in the menu item Units the adjustment unit of the instru ment e g bar 4 Depending on the application carry out the adjustment e g in the menu items Min adjustment and Max adjustment VE...

Page 15: ...anging the product level These settings can be made ahead of time without the instrument having to be installed 1 Set the requested damping of the output signal in the menu item Damping 2 Select the o...

Page 16: ...on correction SIL 0 00 bar Adjustment SIL Distance with density and interface 1 00 m Zero Min adjustment 0 00 bar 0 00 Span Max adjustment Nominal measuring range in bar 100 00 Damping SIL Integration...

Page 17: ...000 Date Time Actual date Actual time Copy instrument set tings Special parameters No reset Scaling Scaling size Volume in l Scaling format 0 corresponds to 0 l 100 corresponds to 0 l Current output C...

Page 18: ...d terminals Massive wire stranded wire 0 2 2 5 mm AWG 24 14 Stranded wire with end sleeve 0 2 1 5 mm AWG 24 16 Interface to the Master sensor Data transmission Digital I C Bus Connection cable to the...

Page 19: ...19 Notes VEGABAR 81 Slave sensor for electronic differential pressure 48050 EN 160212...

Page 20: ...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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