HBM ME10 Bedienungsanleitung
A0762-4.0 en/de/fr
DC Measuring Amplifier
ME10
Operating manual
Gleichspannungs-
Messverstärker
Bedienungsanleitung
English Page 3 −22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deutsch Seite 23 −42. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Français Seite 43 −63. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
ME10
HBM
A0762−4.0 en/de/fr
Contents Page
Safety instructions 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 Measuring Amplifiers on Eurocards ME10 8. . . . . . . . . . . . . . . . . . . . .
2 Electrical Connection 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1 Transducer Connection 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2 Supply Voltage 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3 Output 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4 Supply Voltage for Additional Units 10. . . . . . . . . . . . . . . . . . . . . . . . . .
2.5 Pin Assignment 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 Putting into Operation 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1 Select Measuring Range 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2 Bridge Zero Balancing 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3 MR Fine Adjustment 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 Individual Settings 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.1 Operational Setting 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2 Setting the Measuring Range 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.3 External Fine Balancing of the MR1 16. . . . . . . . . . . . . . . . . . . . . . . . . .
4.4 Bridge Fine Balancing 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.5 Calibration signal 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.6 Measuring Frequency Range / Cut-off Frequency fco 17. . . . . . . . . . .
5 Options 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1 Stabilized Power Supply 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2 DC-DC Converter 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3 Current Output Module 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.4 Safety Barriers for use in Hazardous Areas 19. . . . . . . . . . . . . . . . . . .
5.5 Additional Units 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 General Notes 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.1 Disturbances 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 Component Layout 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4ME10
HBM A0762−4.0 en/de/fr
Safety instructions
In order to ensure sufficient immunity from disturbance only use Greenline
shielding (see HBM’s special publication ”Greenline” Screening Concept, elec-
tromagnetic compatibility of measuring cable, downloadable from the Internet
at http://www.hbm.com/Greenline).
The connection lines’ ( ≤50 V) minimum insulation strength must be
350 V (AC).
Appropriate use
The ME10 with the connected transducers may be used for measurement and
directly related control and regulation tasks, only. Any other use is not ap-
propriate.
To ensure safe operation, the ME10 may only be used according to the speci-
fications given in this manual. When using the transducer, the legal and safety
regulations for the respective application must also be observed. The same
applies if accessories are used.
General dangers in the case of non-observance of the safety instruc-
tions
The ME10 complies with the state of the art and is operationally reliable. If the
device is used and operated inappropriately by untrained personnel, residual
dangers might develop.
Any person charged with device installation, operation, maintenance or repair
must in any case have read and understood the operating manual and the
safety instructions, in particular.
Conditions on site
Protect the device from moisture or atmospheric influences such as rain,
snow, etc.
5
ME10
HBM
A0762−4.0 en/de/fr
Maintenance and cleaning
The Clip Electronic are maintenance-free. Please note the following points
when cleaning the front panel:
•Remove the mains plug from the socket before cleaning.
•Clean the front panel with a soft, slightly damp (not wet!) cloth. Never use
solvents, since they may damage the labelling on the front panel.
•When cleaning, please ensure that no liquid finds its way into the device or
onto the contacts.
Residual dangers
The ME10 scope of performance and supply covers part of the measuring-
technology, only. The plant designer/constructor/operator must in addition de-
sign, realise and take responsibility for the measuring-system’s safety such
that potential residual dangers are minimized. The respective regulations
must in any case be observed. Residual dangers regarding the measuring
system must be specified explicitly.
Markings used in this document:
The marking below warns of a potentially dangerous situation in which failure
to comply with safety requirements can result in death or serious physical in-
jury.
Safety instructions have the following format:
Signal word
Consequences of non−compliance
Preventive measures
−Warning sign: Alerts of a hazard
−Signal word: Designates the degree or level of the hazard
(see table below)
−Type of hazard: Designates the type of source of hazard
−Consequences: Describes the consequences of non−compliance
−Prevention: Indicates how to avoid the hazard
6ME10
HBM A0762−4.0 en/de/fr
Hazard classes per ANSI
CAUTION
NOTICE
Warning sign, signal word Meaning
Designates a potentially hazardous situation
which, if not avoided, could result in death or
serious injury.
Designates a potentially hazardous situation
which, if not avoided, may result in minor or
moderate injury.
Property damage: May result in damage to the
product or its environment.
WARNING
On the module
Meaning: Take into account the data in the operating instructions
More symbols used in this manual
To enable you to use your product in a fast and safe way, the manual uses
standardized symbols and terminology that are explained below.
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 (see Declaration of
Conformity at http://www.hbm.com/HBMdoc).
Symbol:
Meaning: Statutory marking requirements for waste disposal
National and local regulations regarding the protection of the environment and
recycling of raw materials require old equipment to be separated from regular
domestic waste for disposal.
7
ME10
HBM
A0762−4.0 en/de/fr
For more detailed information on disposal, please contact the local authorities
or the dealer from whom you purchased the product.
IMPORTANT
Important information
Indicates important information about the product or about handling the pro-
duct.
TIP
Information / Instructions for use
Instructions for use or other valuable information for the user.
Reconstruction and modifications
HBM’s express consent is required for modifications regarding the ME10
construction and safety. HBM does not take responsibility for damage result-
ing from unauthorized modifications.
In particular, repair and soldering works on the boards are prohibited. If com-
plete componentry is replaced use original HBM components, only.
Qualified personnel
The device may be used by qualified personnel, only; the technical data and
the special safety regulations must in any case be observed. When using the
device, the legal and safety regulations for the respective application must
also be observed. The same applies if accessories are used.
Qualified personnel means: personnel familiar with the installation, mounting,
start-up and operation of the product, and trained according to their job.
Maintenance and repair work on an open device with the power on should
only be undertaken by trained personnel who are aware of the above-men-
tioned dangers.
8ME10
HBM A0762−4.0 en/de/fr
1 Measuring Amplifiers on Eurocards ME10
The Eurocards ME10 are 10 kHz DC measuring amplifiers for strain gauge
transducers.
All plug-in cards are delivered without housing or rack frame and without
power supply unit so that an individual setting in an existing 19” rack mounting
system is possible. Owing to the narrow width of the plug-in cards
(4 divs = 20.32 mm) up to 21 cards can be inserted into a 19” rack. The
dimensions and connecting details correspond to the IEC standards 48D and
297.
All controls necessary for easy operation are accessible from the front.
Individual adjustments are described in chapter four; factory settings are spe-
cified on the back of the Eurocard.
9
ME10
HBM
A0762−4.0 en/de/fr
2 Electrical Connection
2.1 Transducer Connection
Strain gauge transducers are connected by means of 6−wire circuits.
With transducers in 4-wire technology the sensing leads are not needed. In
this case the contacts 32a+c and 28a+c on the connector must be linked.
For cable lengths >50 m, one resistor with half the bridge resistance value
(BR/2) must be solder into the transducer in place of each feedback bridge. If
the transducers are calibrated in six−wire connection, the resistors must be
solder directly into the sensor circuit.
screen pins 31a+c. . . . . . . . . . . . . . . . . .
rd
gy
bk
wh
bu
gn
ye
measuring signal (−) pin 30a. . . . . .
sensing line to 32a (−) pin 32c. . . . .
bridge supply voltage (−) pin 32a. .
measuring signal (+) pin 30c. . . . . .
bridge supply voltage (+) pin 28a. .
sensing line to 28c (+) pin 28c. . . . .
contact
(alternatively 29a+c)
Fig. 2.1: Bridge connection
The required bridge supply voltage is 5 V (symmetrical about ground) as set
factory sttings. It can be reduced to 2.5 V, resp. 10 V, by switch S25.
UBBridge resistancde S25
1 2 3
2,5 V RB≥60...4000Ω
5 V RB≥110...4000Ω
10 V RB≥220...4000Ω
The safety barriers SD01A must be wired into the connecting lines (see chap-
ter 5.4) for transducers in EEx(i) design.
10 ME10
HBM A0762−4.0 en/de/fr
2.2 Supply Voltage
+14.5...+15.5 V (max.65 mA) . . . . . . . . . .
−14.5...−15.5 V (max.65 mA) . . . . . . . . . .
operating voltage zero . . . . . . . . . . . . . . .
The ripple on the supply voltage should not exceed 0.1 V peak-to−peak. The
supply connections are internally protected against reverse polarity. Single
sided connection of the supply voltage should be avoided. The supply voltage
should be kept as low as possible within the permissible range of
"15.6..."25 V in order to maintain the dissipation at a low value.
If a stabilized voltage is not available, the amplifier can be operated by means
of a stabilizer(unstabilized supply) or a DC-DC converter (single-pole supply,
battery) (see chapter 5.1 and 5.2).
2.3 Output
Output voltage: "10 V; RL≥5 kΩ . . . . . .
Operating voltage zero . . . . . . . . . . . . . . .
The output is provided for the connection of a display and/or recorders.
A current output is possible optionally (see chapter 5.3).
2.4 Supply Voltage for Additional Units
+14.5V...+15.5 V; <50 mA . . . . . . . . . . . .
−14.5V...−15.5 V; <50 mA . . . . . . . . . . . .
operating voltage zero . . . . . . . . . . . . . . .
pin15a
pin16a
pin19c
+
pin18c
pin 20a
"
+
pin6c
pin 7a
pin15c
−
−
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