HBM AED9101D User manual

English
Digital Transducer Electronics
AED9101D
Basic device for AD103C
with RS‐232, RS‐422, RS‐485
Operating Manual
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1 Safety instructions 3........................................
2 Markings used 7............................................
2.1 Symbols on the device 7......................................
2.2 The marking used in this document 7...........................
3 Introduction 9..............................................
3.1 Scope of supply 9............................................
3.2 Application 9................................................
4 Design and function 11......................................
5 Mechanical installation 13....................................
6 Electrical connection 14......................................
6.1 Transducer connection 15......................................
6.1.1 Six-wire circuit (standard mode of operation) 15...................
6.1.2 Four-wire circuit 16............................................
6.2 Connecting the supply voltage 18...............................
6.3 Connection to a PC 19........................................
6.3.1 Connection via RS‐232 21.....................................
6.3.2 Connection via RS‐422 22.....................................
6.3.3 Connection via RS‐485 22.....................................
6.4 Using several AEDs (bus mode with RS‐485) 23..................
6.5 Connecting the diagnostic bus 25...............................
6.6 Trigger input 27...............................................
6.7 Cable connection via the PG gland 28...........................
6.8 Ground (GND) and shield wiring 29.............................
7 Selling on, waste disposal and environmental protection 31....
8 Index 33....................................................

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1 Safety instructions
Appropriate use
The device is to be used exclusively for measurement
tasks and directly related control tasks within the applica-
tion limits detailed in the specifications. Use for any pur-
pose other than the above is deemed to be non-desig-
nated use.
Any person instructed to carry out installation, commis-
sioning or operation of the device must have read and
understood the Operating Manual and in particular the
technical safety instructions.
In the interests of safety, the device should only be oper-
ated by qualified personnel and as described in the Oper-
ating Manual. It is also essential to comply with the legal
and safety requirements for the application concerned
during use. The same applies to the use of accessories.
The device is not intended for use as a safety compon-
ent. Please also follow the instructions in the "Additional
safety precautions" section. Proper and safe operation
requires proper transportation, correct storage, siting and
mounting, and careful operation.
Operating conditions
SProtect the device from direct contact with water.
SProtect the device from moisture and weather such as
rain or snow. The protection class of the device is
IP65 (DIN EN 60529).
SDo not expose the device to direct sunlight.
SComply with the maximum permissible ambient tem-
peratures and the data on maximum humidity as
stated in the specifications.

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SThe device must not be modified from the design or
safety engineering point of view except with our
express agreement. In particular, any repair or solder-
ing work on motherboards (replacement of compon-
ents) is prohibited. When exchanging complete mod-
ules, use only original parts from HBM.
SThe device is delivered from the factory with a fixed
hardware and software configuration. Changes can
only be made within the possibilities documented in
the manuals.
SThe device is maintenance free.
SPlease note the following points when cleaning the
housing:
- Disconnect the device from all current and voltage
supplies before cleaning it.
- Clean the housing with a soft, slightly damp (not
wet!) cloth. Never use solvent as this could damage
the labeling or the housing.
- When cleaning, ensure that no liquid gets into the
device or connections.
SIn accordance with national and local environmental
protection and material recovery and recycling regula-
tions, old equipment that can no longer be used must
be disposed of separately and not with normal house-
hold garbage, see Chapter 7, page 31.
Qualified personnel
Qualified persons means persons entrusted with the
installation, fitting, commissioning and operation of the
product who possess the appropriate qualifications for
their function.

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This includes people who meet at least one of the three
following requirements:
SKnowledge of the safety concepts of measurement
and automation technology is a requirement and as
project personnel, they must be familiar with these
concepts.
SAs measurement or automation plant operating per-
sonnel, they have been instructed how to handle the
machinery. They are familiar with the operation of the
equipment and technologies described in this docu-
mentation.
SAs commissioning engineers or service engineers,
they have successfully completed the training to qual-
ify them to repair the automation systems. They are
also authorized to activate, ground and label circuits
and equipment in accordance with safety engineering
standards.
Working safely
SThe device must not be directly connected to the
power supply system. The supply voltage must be
between 10 and 30 VDC.
SError messages should only be acknowledged once
the cause of the error is removed and no further
danger exists.
SAutomation equipment and devices must be designed
in such a way that adequate protection or locking
against unintentional actuation is provided (e.g.
access checks, password protection, etc.).
SFor those devices operating in networks, safety pre-
cautions must be taken both in terms of hardware and
software, so that a line break or other interruptions to

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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 device has been tested.
Additional safety precautions
Additional safety precautions to meet the requirements of
the relevant national and local accident prevention regu-
lations 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 device cov-
ers only a small area of measurement technology. Before
starting up the device in a system, a project planning and
risk analysis must first be implemented, taking into
account all the safety aspects of measurement and auto-
mation technology so that residual dangers are minim-
ized. This particularly concerns personal and machine
protection. In the event of a fault, the relevant precau-
tions must establish safe operating conditions.
General dangers of failing to follow the safety
instructions
The device is state of the art and reliable. The device
may give rise to residual dangers if it is inappropriately
installed and operated.

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2 Markings used
2.1 Symbols on the device
CE mark
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 on the HBM website (www.hbm.com) under HBM-
doc).
Statutory waste disposal mark
In accordance with national and local environmental pro-
tection and material recovery and recycling regulations,
old devices that can no longer be used must be disposed
of separately and not with normal household garbage.
Also see Section7 on page31.
2.2 The marking used in this document
Important instructions for your safety are specifically
identified. It is essential to follow these instructions in
order to prevent accidents and damage to property.
Symbol Meaning
Note This marking draws your attention to a situation in
which failure to comply with safety requirements
could lead to damage to property.
Important
This marking draws your attention to important
information about the product or about handling the
product.

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Symbol Meaning
Tip
This marking indicates application tips or other
information that is useful to you.
Emphasis
See …
Italics are used to emphasize and highlight text and
identify references to sections, diagrams, or external
documents and files.
STP; Bold italics indicate inputs or commands sent to the
device.

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3 Introduction
3.1 Scope of supply
SQuick start guide
SAED9101D (basic device)
A PDF of this operating manual is available on the HBM
website (www.hbm.com) under HBMdoc at Digital weigh
ing electronics.
3.2 Application
AED9101D digital transducer electronics are part of the
AED component family that digitally conditions signals
from mechanical transducers and networks them with
bus capability. They include digital amplifier boards, basic
devices with serial interfaces, and intelligent sensors with
integrated signal conditioning.
Using AED9101D digital transducer electronics, you can
connect SG1 transducers in a full bridge circuit directly to
a computer or a PLC. This enables you to configure com-
plete measuring chains quickly and with little extra work.
The AED9101D basic device takes AD101B or AD103C
amplifier boards. It provides mechanical protection,
shields the amplifier board (EMC protection) and allows
you to select RS-422 (factory setting), RS-485 or RS-232
serial interfaces. An amplifier board is not included in the
scope of supply of the basic device, and must be ordered
separately.
1) Strain gauges

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AED9101D transducer electronics is shortened in the
following text to AED (digital transducer electronics).
The AED_Panel32 PC software is available to facilitate
parameter settings, to display dynamic measurement
signals and for comprehensive analysis of the system.
Download your (free) software from the HBM website, at
Digital weighing electronics: www.hbm.com/HBM Soft-
ware. The AED commands are described in the online
Help of this program.
The DWS2103 digital indicator can be connected to all
AED basic devices and supports all the implemented
functions.
Tip
All the factory settings are stored in the amplifier, where
they are power failsafe and cannot be changed. The fact
ory settings can be restored at any time, using the TDD0;
command. Further information can be found in the online
Help of the AED_Panel32 program.