HBM P2VA1 Manual de usuario
A1564-5.5 en/de
Pressure transmitter
Drucktransmitter
P2VA1
P2VA2
Mounting Instructions
Montageanleitung
English Page 3 - 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deutsch Seite 23 - 41. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Contents Page
English
Safety instructions 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 Scope of supply 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Application 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 Mechanical installation 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 Electrical connection of the P2VA1/A2 12. . . . . . . . . . . . . . . . . . . . . . . . .
4.1 Electrical signal 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2 TEDS transducer identification 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 Measuring dynamic pressures 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 Specifications (to DIN 16086) 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 Dimensions 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
P2VA1, P2VA2
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Safety instructions
Appropriate use
The P2V pressure transmitter is to be used exclusively for pressure measure
ment tasks and directly related control tasks. Use for any purpose other than
the above shall be deemed to be inappropriate.
In the interests of safety, the device should only be operated as described in
the Operating Manual. It is also essential to observe the appropriate legal and
safety regulations for the application concerned during use. The same applies
to the use of accessories.
We hereby declare that this device conforms to the requirements of Pressure
Directive 97/23/EC, the European Parliament and Council Directive of May 29
1997, which approximates the legal provisions of the Member States concern
ing pressure equipment.
The pressure transmitter is not a safety element within the meaning of its use
as intended. Proper and safe operation of this pressure transmitter requires
proper transportation, correct storage, assembly and mounting and careful
operation.
It is not appropriate for use as an “accessory with a safety function”, in
accordance with the regulations and this must be assessed by the user (within
the meaning of Pressure Equipment Directive 97/23/EC) for the particular situ
ation.
General dangers of failing to follow the safety instructions
The P2V pressure transmitter corresponds to the state of the art and is
failsafe. The device may give rise to further dangers if it is inappropriately
installed and operated by untrained personnel.
Any person instructed to carry out installation, commissioning, maintenance or
repair of the device must have read and understood the Operating Manual
and in particular the technical safety instructions.
Accident prevention
You must make sure that the line is not under pressure when installing or
removing the pressure transmitter.
Remaining dangers
The scope of supply and performance of the transducer covers only a small
area of measurement technology. In addition, equipment planners, installers
and operators should plan, implement and respond to the safety engineering
considerations of pressure measurement technology in such a way as to min
imize remaining dangers. Prevailing regulations must be complied with at all
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P2VA1, P2VA2
A1564-5.5 en/de HBM
times. There must be reference to the remaining dangers associated with
pressure measurement technology.
Although the P2V is designed for maximum safety, safety engineering regula
tions demand that burst protection is implemented around the transducer.
The transducer must be protected against mechanical loads or knocks.
The resistance of the steel of the measuring body only applies if temperatures
are never allowed to fall below or rise above the limits specified in the data
sheet.
If these temperature limits are exceeded, in the event of fire, for example, the
transducer will be unusable.
A significant change in the zero signal shows that the device has come to the
end of its service life.
Remaining dangers are indicated in this operating manual by the following
symbols:
Symbol: DANGER
Meaning: Maximum danger level
Warns of an imminently dangerous situation in which failure to comply with
safety requirements will result in death or serious physical injury.
Symbol: WARNING
Meaning: Potentially dangerous situation
Warns of a potentially dangerous situation in which failure to comply with
safety requirements can result in death or serious physical injury.
Symbol: CAUTION
Meaning: Potentially dangerous situation
Warns of a potentially dangerous situation in which failure to comply with
safety requirements could lead to damage to property, slight or moderate
physical injury.
P2VA1, P2VA2
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A1564-5.5 en/deHBM
Symbol: NOTE
Means that important information about the product or its handling is being
given.
Symbol:
Meaning: CE mark
The CE mark enables the manufacturer to guarantee that the product com
plies with the requirements of the relevant EC directives (the Declaration of
Conformity can be found at http://www.hbm.com/HBMdoc).
Conversions and modifications
The P2V/xxx pressure transmitter must not be modified from the design or
safety engineering point of view except with our express agreement. Any
modification shall exclude all liability on our part for any damage resulting
there from.
Qualified personnel
The pressure transmitter is only to be installed and used by qualified person
nel strictly in accordance with the technical data and with the safety rules and
regulations which follow. It is also essential to observe the appropriate legal
and safety regulations for the application concerned during use. The same
applies to the use of accessories.
Qualified personnel means persons entrusted with the installation, assembly,
commissioning and operation of the product, who possess the appropriate
qualifications for their function.
Recalibration and repair
When you send the transducer back to HBM for calibration or repair, please
specify which pressure medium is being used. It is always possible that resid
ual medium could be trapped in the measuring aperture. We need this inform
ation so that we can take appropriate action and choose the correct cleaning
agent, where necessary. If we do not know the media, we may have to refuse
to calibrate or repair.
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A1564-5.5 en/de HBM
1 Scope of supply
The scope of supply for the standard version includes:
•1 x pressure transducer
voltage output:
Order No.: 1-P2VA1/100...7000 bar or
current output:
Order No.: 1-P2VA2/100...7000 bar
•1 x 5 m cable, female cable connector, M12x1 with shielding,
5-pin. Polyurethane
Order No.: 1-KAB166-5
•For pressure transducer 1-P2VA1/100...2000 bar or
1-P2VA2/100...2000 bar in addition:
1 pack with 2 x 58-degree tapered seals with retaining spring1)
Order No.: 2-9278.0371
•1 x Mounting Instructions
Options to be ordered:
Connection adapter for measuring ranges less than 3000 bar
•Connection adapter G1/4"external thread, M20x1.5 external thread
Order No.: 1-Adapt-G1/4-M20
•Connection adapter G1/4"external thread, G1/2"external thread
Order No.: 1-Adapt-G1/4-G1/2
•Pack with 2 x 58-degree tapered seals with retaining spring 1)
Order No.: 2-9278-0371
•5 m cable, female cable connector, M21x1 with shielding,
5-pin. Polyurethane
Order No.: 1-KAB166-5 2)
•20 m cable, female cable connector, M21x1 with shielding,
5-pin. Polyurethane
Order No.: 1-KAB166-20
1) for measuring ranges of 100 bar to 2000 bar
2) as a spare or for an additional need
P2VA1, P2VA2
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A1564-5.5 en/deHBM
2 Application
In the measuring system, the P2V transducer corresponds to HBM's proven
passive strain gage absolute pressure transducers, with a measuring body
made from one piece of material. A high-quality analog sensor amplifier and a
digital control for signal correction are also integrated in the enclosure.
All that is seen of this circuitry on the outside is what looks like an active
sensor output with 0.5 to 10 volts (or a 3-wire current output of 4 to 20 mA.) .
The additional microcontroller monitors the sensor temperature and the cur
rent pressure and generates correction signals, so that systematic sensor
errors such as temperature coefficients and the linearity deviation can be
compensated for internally. The individual adjustment and correction data can
be transferred to the transducer during production. HBM's TEDS digital identi
fication system is also available (compatible with the 1-wire EEPROM
DS2433, MikroLan from Messrs Maxim / Dallas).
NOTE:
The 0 V power supply (pin 3) and 0 V output (pin 2) lines are
linked internally.
+UB
+Uout/Iout
0 V
P
U
Enclosure Enclosure
Fig. 2.1: Electrical connection diagram
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A1564-5.5 en/de HBM
Blow-off opening:
The transducer housing features a blow-off opening under the blue label (see
figure):
Blow-off opening
This safety device enables overpressure to be reduced in a controlled way in
the event of bursting of the sensing element. This prevents overloading of the
sensor housing. The blow-off opening opens at approx. 10 bar.
P2VA1, P2VA2
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A1564-5.5 en/deHBM
3 Mechanical installation
CAUTION
Before installing the P2V, check that the threaded connector and
the thread in its mating component are sound and without
burrs. The parts must be easy to join together.
The pressure transducer can be screwed in wherever required. If the transducer
is used to measure dynamic pressure characteristics in liquids, it should be
installed with the pressure connection pointing upward, so that it not possible for
an air cushion to build up in the measuring tube that could, for example, heat up
unacceptably in the event of adiabatic effects as a result of dynamic loads.
Transducers with measuring ranges of 100 ... 2000 bar are connected with their
G1/4"external thread pressure connection. A 58°tapered seal made of 1.4301
corrosion-resistant material is supplied for this purpose.
The G1/4"pressure connection thread with the tapered seal is suitable for the
usual 17 mm hole depth and a drilled diameter of 4 mm (with a margin of
between 0 and 0.5x45°, also see Specifications).
The tapered seal is fixed accurately and securely in the measuring aperture of
the transmitter by means of the small, stainless steel retaining spring that is
among the items supplied for each seal. The device can thus be fitted and
sealed extremely efficiently.
Transducers with measuring ranges of 3000 bar and higher are connected with
their M16x1.5 external thread pressure connection directly to conventional high
pressure pipes with their 58°taper.
CAUTION:
During installation, screwing torque must not be applied over the
enclosure or the cable entry. Wrenches (SW 24) must be used to
screw-fasten the pressure transmitter. The permissible tightening
torque for measuring ranges 100 ... 2000 bar is 30 Nm; for measur
ing ranges 3000 and 7000 bar, the permissible tightening torque is
30 ... 50 Nm
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