HBM MX403B User manual

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Voltage measurement module
1000V CAT II
600 V CAT III
MX403B
Operating Manual
A3757-1.0_en/de/fr

MX403B
2 A3757-1.0_en/de/fr
English
1 Introduction 3..............................................
2 Safety instructions 6........................................
2.1 Warning signs and danger symbols 6...........................
2.1.1 Symbols on the measurement module 7........................
2.2 Proper use 7................................................
2.3 Measurement categories 9....................................
2.4 Operating conditions 11.......................................
2.5 Maintenance, repair and modification 12.........................
2.6 Cleaning 13..................................................
2.7 Transportation, storage and disposal 14.........................
2.8 Qualified Personnel 15........................................
2.9 Working safely 15.............................................
2.10 System integration 19.........................................
3 Additional markings used 20.................................
4 Scope of delivery 21.........................................
5 Accessories 22..............................................
6 MX403B operation 24........................................
6.1 Preparatory measures and starting up 24........................
6.2 Connection/measurement 25...................................
6.3 Status Display 27.............................................
7 Specifications 28............................................

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1 Introduction
QuantumX is a modular data acquisition system from
HBM for demanding measurement and test functions.
The different inputs acquire mechanical, electrical, hy
draulic and thermal measurands, such as force, strain,
torque, pressure, displacement, temperature, rotational
speed, acceleration, position, flow rate, voltage, etc.
The MX403B voltage measurement module can measure
voltages as high as 1000 V, as well as small differential
voltages at high electric potential.
The QuantumX family documentation basically com
prises:
SThe current operating manual for the voltage meas
urement module (available in printed form)
SA quick start guide for initial start-up (available in prin
ted form)
SData sheets for the individual modules and accessor
ies
SThe QuantumX operating manual with connection de
scriptions and possible system topologies and states
SThe operating manual for the EtherCAT1) / Ethernet
Gateway CX27
SThe operating manual for data recorder CX22-W /
CX22
SA comprehensive online help with index and easy
search options which is available after the installation
of a software package (e.g. QuantumX Assistant, cat
manEASY)
1) EtherCAT®is a registered brand and patented technology, licensed by Beckhoff Automation
GmbH, Germany

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These documents can be found:
SOn the QuantumX system CD supplied with the device
SAfter installing the QuantumX Assistant on the hard
drive of your PC
SUp-to-date versions are always available from our In
ternet site at http://www.hbm.com/hbmdoc
Note
When working with the MX403B, always take note of the
standard operating manual (I2322) as well.
The high level of protection of the MX403B is guaranteed
by consistent development in accordance with the latest
conditions specified in the measuring equipment stand
ards IEC 61010-1:2010+Cor.:2011 and
IEC 61010-2-030:2010+Cor.:2011, as well as by VDE
certification and production monitoring.
The MX403B has four insulated differential measurement
channels for directly measuring voltages up to 1000 V DC
or 1000 V rms AC.
The different measuring ranges allow the acquisition of
high voltages to remote ground, as well as the measure
ment of small differential voltages at high potential to re
mote ground.
The connection is made with 4 mm safety lab jacks,
19 mm pitch, suitable for standardized BNC adapters.
Each channel is equipped with a programmable amplifier,
analog reconstruction and antialiasing filters, a 24bit
ADC and digital filters.

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2 Safety instructions
This measurement module is built and tested in accord
ance with EN 61010, Safety Requirements for Electrical
Equipment for Measurement, Control and Laboratory
Use, and was in perfect condition when it left production.
To maintain this condition and ensure risk-free operation
(reducing residual risks, EN 610101:2010 17 c), the user
must comply with the instructions and warning notices
contained in this operating manual.
2.1 Warning signs and danger symbols
Important instructions for your safety are specifically iden
tified. It is essential to follow these instructions in order to
prevent accidents and damage to property.
DANGER
This marking warns of an imminently threatening danger
ous situation which - if safety requirements are disregarded
- will result in death or serious physical injury.
Note
This marking draws attention to a situation which - if dis
regarded - can result in damage to property.

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2.1.1 Symbols on the measurement module
Take details in the operating manual into account
Read and comply with the operating manual.
2.2 Proper use
The MX403B voltage measurement module fits perfectly
into the modular QuantumX series and is solely used to
measure high differential voltages or differential voltages
at high potential to remote ground, within the ratings
stated in the specifications.
The device is not intended for use as a safety compon
ent. Please also refer to the section: "Additional safety
precautions".
Proper and safe operation requires proper transportation,
correct storage, siting and mounting, and careful opera
tion.
Everyone involved with siting, starting up, or operating
the measurement module must have read and under
stood the operating manual and in particular the technical
safety instructions.
In the interests of safety, the measurement module
should only be operated by qualified personnel (see be
low) and as described in the operating manual. It is also
essential to comply with the legal and safety require
ments for the application concerned during use. The
same applies to the use of accessories.

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DANGER
If the measurement module is not used as intended, the
protection provided by the measurement module may be
impaired.
DANGER
If the measurement module is used outside the ratings,
the protection provided by the measurement module may
be impaired.

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2.3 Measurement categories
The MX403B is designed for applications in measure
ment categories CAT II and CAT III:
CAT II
Measurement category II is applicable to test and meas
uring circuits that are directly connected to the user con
nections (sockets) of the low-voltage grid installation. It is
expected that this part of the installation will have at least
three levels with overload protection elements between
the transformer and the measuring circuit connection
point.
CAT III
Measurement category CAT III is applicable to test and
measuring circuits that are connected to the distribution
circuit of the building low-voltage grid installation. It is ex
pected that this part of the installation will have at least
two levels with overload protection elements between the
transformer and the measuring circuit connection point.

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DANGER
For all other applications at the low-voltage installation
there is a risk related to:
SElectric shock
SArc flash burns
SArc blast explosion and
SOther phenomena
The MX403B is only suitable for rated voltages within the
measurement categories described - the MX403B is not
suitable for any other applications at the low-voltage in
stallation and its use here is not permitted.
Outside the measurement categories
The following applies to test and measuring circuits
without a rated measurement category (formerly CAT I):
Whether the MX403B is suitable for test or measuring
circuit applications not intended for direct connection to
the supply network can only be determined by an accur
ate analysis of the operating voltage, peak voltage, loop
impedance, occasional overvoltage and transient over
voltage of these circuits. The following characteristics
apply to the MX403B in this respect:
SPeak voltage: max. 1250 V
SLoop impedance: min. 100 m
(see EN 61010-2-030:2011 Table AA.1)
SOccasional overvoltage: none
STransient overvoltage: "3000 V

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2.4 Operating conditions
SSee the specifications for the permissible operating
temperature, as well as the permissible storage and
transportation temperatures. If the MX403B has been
stored or transported in extreme temperatures, you
must wait for at least 2 hours before switching it on.
SDo not expose the measurement module to direct
sunlight. The protection provided by the MX403B may
be impaired if the device is exposed to intense sun
light for too long, including behind car windows, for
example.
SThe operating position is optional.
SProtect the measurement module against direct con
tact with water and moisture, as well as weather con
ditions such as rain or snow. Should condensation
have formed during transportation or storage, the
MX403B must be acclimatized for at least 2 hours be
fore being put into operation.
SDo not operate the measurement module above the
maximum operational height of 2000 m.
SThe MX403B is designed for use in clean and dry
rooms with degree of pollution 2; cables must not be
routed through outdoor areas. It must not be operated
where the air has a particularly high dust content,
where there is a risk of explosion or in an aggressive
chemical environment.
DANGER
If the measurement module is used outside the rated op
erating conditions, the protection provided by the meas
urement module may be impaired.

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2.5 Maintenance, repair and modification
SThe measurement module is maintenance-free.
SThe measurement module, including the measure
ment cable and the safety connector, must not be
changed or modified in any way.
SOnly trained and qualified personnel who are author
ized to do so by HBM are allowed to open the
MX403B. Before opening the measurement module,
the feeding QuantumX module must be switched off
and the MX403B disconnected from all circuits. Oper
ation when open is not allowed. Once the device has
been opened, it must be professionally inspected in
accordance with EN 61010-1 Annex F, before starting
it up again.
SThe measurement module is delivered from the fact
ory with a fixed hardware and software configuration.
Changes can only be made within the possibilities
documented in the manuals.
SThe measurement module must not be modified from
the design or safety engineering point of view except
with our express agreement. In particular, any repair
or soldering work on motherboards (exchanging com
ponents) is prohibited. When exchanging complete
modules, use only original parts from HBM.
DANGER
If the measurement module is opened, modified or inex
pertly repaired, the protection provided by the measure
ment module may be impaired.

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2.6 Cleaning
Please note the following points when cleaning the hous
ing:
SDisconnect the measurement module from all current
and voltage supplies.
SAlso switch off the feeding QuantumX module.
SClean the housing with a soft, slightly damp (not wet!)
cloth. Never use solvent as this could damage the la
beling or the housing.
SWhen cleaning, ensure that no liquid gets into the
measurement module or connections.
SGive the MX403B sufficient time to dry before starting
it up again.
DANGER
If the measurement module is not properly cleaned, the
protection provided by the measurement module may be
impaired.

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2.7 Transportation, storage and disposal
SWhen unpacking the contents of the package, check
that everything is present. When it is unpacked, the
MX403B should be inspected for mechanical damage.
If damage has occurred during transit, the measure
ment module must not be operated. Keep the original
packaging in case subsequent transportation is ne
cessary. Any shipping damage caused by inadequate
packaging is excluded from the warranty.
SStore the MX403B somewhere dry and enclosed. If
the MX403B has been transported at extreme temper
atures, you should wait for at least 2 hours to allow
the device to acclimatize, before switching it on.
SIn accordance with national and local environmental
protection, material recovery and recycling regula
tions, old measurement modules that can no longer
be used must be disposed of separately and not with
normal household waste.
DANGER
If the measurement module is damaged, operated
without being acclimatized, or incorrectly stored or trans
ported, the protection provided by the measurement mod
ule may be impaired.

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2.8 Qualified Personnel
Qualified persons means persons entrusted with the in
stallation, fitting, commissioning and operation of the
product who possess the appropriate qualifications for
their function.
SFor measurements covered by the low voltage direct
ive, the measurement module must only be connected
by a qualified electrician, or by someone with electrical
training under the supervision of a qualified electri
cian. (A qualified electrician is someone whose tech
nical training, know-how and experience, as well as
knowledge of the relevant requirements, allows them
to assess the work assigned to them and to recognize
potential risks, and who has been designated a quali
fied electrician by the contractor).
DANGER
Personnel who are not sufficiently qualified are particu
larly exposed to the risk related to electric shock, arc
flash burn, arc blast explosion and other phenomena.
2.9 Working safely
SWhen it is unpacked, check the measurement module
for visible signs of damage. If damage has occurred,
the MX403B must not be operated.
SError messages should only be acknowledged once
the cause of the error is removed and no further
danger exists.

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SThe measurement module and devices used in auto
mation must be covered over in such a way that ad
equate protection or locking against unintentional ac
tuation is provided (e.g. access checks, password
protection, etc.).
SFor those measurement modules operating in net
works, safety precautions must be taken in terms of
both hardware and software, so that a line break or
other interruptions to signal transmission do not cause
undefined states or loss of data in the automation
device.
SAfter making settings and carrying out activities that
are password-protected, ensure that any controls that
may be connected remain in a safe condition until the
switching performance of the measurement module
has been tested.
SThe maximum cable length must not exceed 30 m.
It is not acceptable to run cables through outdoor
areas.
SMeasurement signals can only be applied to the
MX403B once it has been connected to a QuantumX
application (such as the QuantumX Assistant).
DANGER
Voltages with no energy limit that exceed one of the fol
lowing values are rated as dangerous according to EN
61010:
1. AC voltage, 33 V rms value
2. AC voltage, 46 V peak value
3. DC voltage, 70 V

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Higher voltages must only be applied by qualified person
nel who are familiar with the dangers involved! It is es
sential to comply with the related safety regulations!
DANGER
When applying dangerous contact voltages to the meas
uring connections, you must comply with all the related
safety requirements!
DANGER
Risk related to unsuitable accessories. The measurement
module is specified according to EN 61010 for 600 V
CAT III or 1000 V CAT II. Only accessories approved for
at least this category can be used or connected to the
measuring connections.
DANGER
Risk due to poor insulation of external circuits: Only
devices that comply with the requirements of IEC
610101, 610102030 and IEC 60950 may be connected

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DANGER
To avoid injury from coming into contact with dangerously
active potential: do not wear jewelry (rings, watches, etc.)
and do not touch any live parts. Comply with safety rules:
isolate, secure, check, ground and short-circuit, cover
and safeguard.
DANGER
In the following situations, the measurement module must
be shut down and secured to prevent inadvertent opera
tion:
SVisible signs of damage to the measurement module
SThe MX403B cannot be connected to a QuantumX
application
S(Audibly) loose parts in the measurement module
SThe measurement module no longer works

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2.10 System integration
SIf the MX403B is integrated into a system, it is the re
sponsibility of the system installer to keep the system
safe.
SAdditional safety precautions to meet the require
ments of the relevant national and local accident pre
vention regulations must be taken in plants where
malfunctions could cause major damage, loss of data
or even personal injury.
The scope of supply and performance of the measure
ment module covers only a small area of measurement
technology. Before starting up the measurement module
in a system, a project planning and risk analysis must first
be implemented, taking into account all the safety as
pects of measurement and automation technology so that
residual dangers are minimized. This particularly con
cerns personal and machine protection. In the event of a
fault, the relevant precautions must establish safe operat
ing conditions.
DANGER
Additional risks may occur when the measurement mod
ule is integrated into plants or systems, and the protec
tion provided by the measurement module may be im
paired.

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3 Additional markings used
CE certification
The CE mark enables the manufacturer to guarantee that
the product complies with the requirements of the relev
ant EC directives (the Declaration of Conformity can be
found at www.hbm.com).
Statutory waste disposal mark
In accordance with national and local environmental pro
tection, material recovery and recycling regulations, old
measurement modules that can no longer be used must
be disposed of separately and not with normal household
waste.
If you need more information about disposal, please con
tact your local authorities or the dealer from whom you
purchased the product.