HBM PACEline CMA Manuel utilisateur
A25591.0en/de/fr
Charge amplifier
Ladungsverstärker
Amplificateur de charge
CMA
Operating manual
Bedienungsanleitung
Manuel d’emploi
English Page 3 − 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deutsch Seite 23 − 42. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FrançaisPage 43 − 63. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
CMA
HBMA2559−1.0en/de/fr
Contents Page
Safety instructions4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 Scope of supply 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2Applicationinstructions8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3Conditions onsite 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1 Ambient temperature 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2 Moisture and humidity 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4Mounting 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 Electrical connection11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6Structure and principle of operation13. . . . . . . . . . . . . . . . . . . . . . . . . . .
6.1 TEDS transducer identification 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.2 Replacement 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 Specifications (VDI/VDE2638 standards) 21. . . . . . . . . . . . . . . . . . . . . . .
8Dimensions22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4CMA
HBM A2559−1.0en/de/fr
Safety instructions
Appropriate use
The CMA charge amplifier is to be used exclusivelyfor measurement tasks
and directlyrelated control tasks. Use for anypurpose other than the above is
deemed to be inappropriate.
In the interests of safety, the charge amplifier should onlybe operated as
described in the Operating Manual. It is also essential to complywith the legal
and safetyrequirements for the application concerned during use. The same
applies to the use of accessories.
Each time, before starting up the equipment, you must first run a project
planning and risk analysis that takes into account all the safetyaspects of
automation technology. This particularlyconcerns personal and machine
protection.
Additional safetyprecautions must be taken in plants where malfunctions
could cause major damage, loss of data or even personal injury. In the event
of a fault, these precautions establish safe operating conditions.
This can be done, for example, bymechanical interlocking, error signaling,
limit value switches, etc.
The charge amplifier is not a safetyelement within the meaning of its intended
use. For safe and troublefree operation, this amplifier must not onlybe
correctlytransported, stored, sited and mounted but must also be carefully
operated and maintained.
The device must not be connecteddirectly tothe mains supply. The
maximum supply voltage must not exceed18 to30VDC.
General dangers of failing tofollow the safety instructions
The CMA charge amplifier corresponds to the state of the art and is failsafe.
The amplifier can give rise to remaining dangers if it is inappropriately
installed and operated byuntrained personnel.
Everyone involved with the installation, commissioning, maintenance or repair
of a charge amplifier must have read and understood the Mounting
Instructions and in particular the technical safetyinstructions.
Conditions at the place of installation
Protect the charge amplifier from moisture and dampness or weather
conditions such as rain, snow, ice and salt water.
According to EN 61326−1, Sect. 3.6, the connecting cables of the CMA
charge amplifier must be no longer than 30 m (when laid within a building) and
must not leave the building.
5
CMA
HBMA2559−1.0en/de/fr
Maintenance
The CMA charge amplifier is maintenancefree.
Remaining dangers
The scope of supplyand performance of the charge amplifier covers onlya
small area of measurement technology. In addition, equipment planners,
installers and operators should plan, implement and respond to the safety
engineering considerations of measurement technologyin such a wayas to
minimize remaining dangers. Prevailing regulations must be complied with at
all times. There must be reference to the remaining dangers connected with
measurement technology. After making settings and carrying out activities that
are passwordprotected, you must make sure that anycontrols that maybe
connected remain in safe condition until the switching performance of the
amplifier system has been tested.
Remaining dangers are indicated in these Mounting Instructions bythe
following symbols:
Symbol: WARNING
Meaning: Dangerous situation
Warns of a potentially dangerous situation in which failure to complywith
safetyrequirements can result in death or serious physical injury.
Symbol: ATTENTION
Meaning: Possibly dangerous situation
Warns of a potentiallydangerous situation in which failure to complywith
safetyrequirements couldresult in damage to propertyor some form of
physical injury.
Symbol: NOTE
Means that important information about the product or its handling is being
given.
Symbol:
6CMA
HBM A2559−1.0en/de/fr
Meaning: CE mark
The CE mark enables the manufacturer to guarantee that the product
complies with the requirements of the relevant ECdirectives (the Declaration
of Conformitycan be found at http://www.hbm.com/HBMdoc).
Symbol:
Meaning: Statutory waste disposal mark
In accordance with national and local environmental protection and material
recoveryand recycling regulations, old devices that can no longer be used
must be disposed of separatelyand not with normal household garbage.
If you need more information about waste disposal, please contact your local
authorities or the dealer from whom you purchased the product.
In accordance with national and local environmental protection and material
recoveryand recycling regulations, old devices that can no longer be used
must be disposed of separatelyand not with normal household garbage.
If you need more information about waste disposal, please contact your local
authorities or the dealer from whom you purchased the product.
Conversions andmodifications
The charge amplifier must not be modified from the design or safety
engineering point of view except with our express agreement. Any
modification shall exclude all liabilityon our part for anydamage resulting
therefrom.
In particular, anyrepair or soldering work on motherboards is prohibited.
When exchanging complete modules, use onlyoriginal parts from HBM.
The product is delivered from the factorywith a fixed hardware and software
configuration. Changes can onlybe made within the possibilities documented
in the manuals.
Qualifiedpersonnel
Qualified personnel means persons entrusted with siting, mounting, starting
up and operating the product, who possess the appropriate qualifications for
their function.
This device is onlyto be installed and used byqualified personnel strictlyin
accordance with the specifications and with the safetyrules and regulations
which follow.
This includes people who meet at least one of the three following
requirements:
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CMA
HBMA2559−1.0en/de/fr
•Knowledge of the safetyconcepts of automation technologyis a
requirement and as project personnel, you must be familiar with these
concepts.
•As automation plant operating personnel, you have been instructed how to
handle the machineryand are familiar with the operation of the equipment
and technologies described in this documentation.
•As commissioning engineers or service engineers, you have successfully
completed the training to qualifyyou to repair the automation systems. You
are also authorized to activate, to ground and label circuits and equipment
in accordance with safetyengineering standards.
It is also essential to complywith the legal and safetyrequirements for the
application concerned during use. The same applies to the use of
accessories.
Maintenance and repair work on an open device with the power on must only
be carried out bytrained personnel who are aware of the dangers involved.
8CMA
HBM A2559−1.0en/de/fr
1Scope of supply
Ordernumber
1−CMA39 Singlechannel charge amplifier for piezoelectric sensors,
measuring range 39500 mpC
1−CMA158 Singlechannel charge amplifier for piezoelectric sensors,
measuring range 158300 mpC
1−CMA210 Singlechannel charge amplifier for piezoelectric sensors,
measuring range 210500 mpC
1−CMA287 Singlechannel charge amplifier for piezoelectric sensors,
measuring range 287000 mpC
1−CMA482 Singlechannel charge amplifier for piezoelectric sensors,
measuring range 482000 mpC
Tobe orderedseparately:
1−KAB168−5 8wire cable to the processing electronics,
M12 x 1 cable plug, 5 m long, free ends
1−KAB168−20 8wire cable to the processing electronics,
M12 x 1 cable plug, 20 m long, free ends
1−KAB143−3Connection cable, coaxial, 3 m long
2Application instructions
Piezoelectric charge amplifiers of the CMA type series are suitable for
measuring with piezo sensors. Because theyprovide highlyaccurate dynamic
and quasistatic force measurements, theymust be handled verycarefully.
The compact design amplifiers have good immunityfrom interference.
The specifications list the permissible limits for mechanical, thermal and
electrical stress. It is essential that these are taken into account when
planning the measuring setup, during installation and ultimately, during
operation.
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CMA
HBMA2559−1.0en/de/fr
3Conditions on site
ATTENTION
The insulation resistance is crucial for piezoelectric transducers; it
should be no greater than 1013 ohms. To obtain this value , all the
plug connections have to be kept thoroughlyclean. A positive or
negative signal drift of the nominal (rated) output signal indicates
insufficient insulation resistance. The plug connection contacts
should then be cleaned with a clean, lintfree cloth and a cleaning
agent (petroleum ether, isopropanol).
ATTENTION
Protect the transducerplug andthe charge amplifier
transducerconnector against pollution andunderno
circumstances touch it (plug face) with yourhand. The
suppliedcovershouldalways be in place when the
connection is not in use.
Use onlythe connection cable included in the scope of supply.
Once mounted, it should remain connected to the transducer, if possible.
3.1 Ambient temperature
The temperature has little effect on the output signal. To obtain optimum
measurement results, the nominal (rated) temperature range must be
observed. Temperaturerelated measurement errors are caused byheating on
one side (e.g. radiant heat) or bycooling.
3.2 Moisture andhumidity
Moisture and humidityor a tropical climate are to be avoided. When the
connection cable is properlyconnected to a transducer/charge amplifier, the
CMA charge amplifier has degree of protection IP65 per EN 60529.
10 CMA
HBM A2559−1.0en/de/fr
4Mounting
The charge amplifier can be mounted with two M3 screws.
The signal inputs and outputs are electricallyisolated from the housing and
the CMA. So noisolating elements are necessary.
The CMA can be mounted in anyposition.
57
46
34.8
4
30.8
4
Mounting
example
Metal
M3M3
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