FISCHER DE23 Operating Manual
Operating manual
DE23
Differential pressure transmitter
09005097 • BA_EN_DE23 • Rev. ST4-B • 07/18
*09005097*
| Masthead FISCHER Mess- und Regeltechnik GmbH
Masthead
Manufacturer:
Technical editorial team:
FISCHER Mess- und Regeltechnik GmbH
Bielefelderstr. 37a
D-32107 Bad Salzuflen
Telephone: +49 5222 974 0
Telefax: +49 5222 7170
eMail: info@fischermesstechnik.de
web: www.fischermesstechnik.de
Documentation representative: T. Malischewski
Technical editor: R. Kleemann
All rights, also those to the translation, reserved. No part of this document may
be reproduced or processed, duplicated or distributed using electronic systems
or any other form (print, photocopy, microfilm or another process) without the
written consent of the company FISCHER Mess- und Regeltechnik GmbH, Bad
Salzuflen.
Reproduction for internal use is expressly allowed.
Brand names and procedures are used for information purposes only and do
not take the respective patent situation into account. Great care was taken
when compiling the texts and illustrations; Nevertheless, errors cannot be ruled
out. The company FISCHER Mess- und Regeltechnik GmbH will not accept any
legal responsibility or liability for this.
Subject to technical amendments.
© FISCHER Mess- und Regeltechnik 2017
Version history
Rev. ST4-A 02/17 Version 1 (first edition)
Rev. ST4-B 07/18 Version 2 (AC version)
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FISCHER Mess- und Regeltechnik GmbH Table of Contents
Table of Contents
1 Safety guidelines ............................................................................................................................................4
1.1 General .....................................................................................................................................................4
1.2 Personnel Qualification.............................................................................................................................4
1.3 Risks due to Non-Observance of Safety Instructions ...............................................................................4
1.4 Safety Instructions for the Operating Company and the Operator............................................................4
1.5 Unauthorised Modification ........................................................................................................................4
1.6 Inadmissible Modes of Operation .............................................................................................................5
1.7 Safe working practices for maintenance and installation work .................................................................5
1.8 Pictogram explanation ..............................................................................................................................5
2 Product and functional description ..............................................................................................................6
2.1 Delivery scope ..........................................................................................................................................6
2.2 Intended use .............................................................................................................................................6
2.3 Equipment versions ..................................................................................................................................6
2.4 Function diagram ......................................................................................................................................7
2.5 Design and mode of operation..................................................................................................................7
3 Assembly and Starting Operation.................................................................................................................8
3.1 Generalities...............................................................................................................................................8
3.2 Process connection ..................................................................................................................................8
3.3 Electrical connections ...............................................................................................................................8
3.4 Commissioning .......................................................................................................................................10
4 Maintenance..................................................................................................................................................11
4.1 Maintenance ...........................................................................................................................................11
4.2 Transport ................................................................................................................................................11
4.3 Service....................................................................................................................................................11
4.4 Accessories ............................................................................................................................................11
4.5 Disposal ..................................................................................................................................................11
5 Technical Data .............................................................................................................................................. 12
5.1 Generalities.............................................................................................................................................12
5.2 Input variables ........................................................................................................................................12
5.3 Output sizes............................................................................................................................................12
5.4 Measurement accuracy ..........................................................................................................................12
5.5 Auxiliary energy ......................................................................................................................................13
5.6 Application conditions .............................................................................................................................13
5.7 Construction design ................................................................................................................................13
6 Order Codes..................................................................................................................................................16
7 Annex.............................................................................................................................................................18
BA_EN_DE23 3 / 20
1 | Safety guidelines FISCHER Mess- und Regeltechnik GmbH
1 Safety guidelines
1.1 General
WARNING
This operating manual contains instructions fundamental to the installation, operation and maintenance of the device that must be observed unconditionally. It
must be read by the assembler, operator and the specialized personnel in
charge of the instrument before it is installed and put into operation.
This operating manual is an integral part of the product and therefore needs to
be kept close to the instrument in a place that is accessible at all times to the responsible personnel.
The following sections, in particular instructions about the assembly, commissioning and maintenance, contain important information, non-observance of
which could pose a threat to humans, animals, the environment and property.
The instrument described in these operating instructions is designed and manufactured in line with the state of the art and good engineering practice.
1.2 Personnel Qualification
The instrument may only be installed and commissioned by specialized personnel familiar with the installation, commissioning and operation of this product.
Specialized personnel are persons who can assess the work they have been
assigned and recognize potential dangers by virtue of their specialized training,
their skills and experience and their knowledge of the pertinent standards.
1.3 Risks due to Non-Observance of Safety Instructions
Non-observance of these safety instructions, the intended use of the device or
the limit values given in the technical specifications can be hazardous or cause
harm to persons, the environment or the plant itself.
The supplier of the equipment will not be liable for damage claims if this should
happen.
1.4 Safety Instructions for the Operating Company and the Operator
The safety instructions governing correct operation of theinstrument must be
observed. The operating company must make them available to the installation,
maintenance, inspection and operating personnel.
Dangers arising from electrical components, energy discharged by the medium,
escaping medium and incorrect installation of the device must be eliminated.
See the information in the applicable national and international regulations.
Please observe the information about certification and approvals in the Technical Data section.
1.5 Unauthorised Modification
Modifications of or other technical alterations to the instrument by the customer
are not permitted. This also applies to replacement parts. Only the manufacturer
is authorised to make any modifications or changes.
4 / 20 BA_EN_DE23
FISCHER Mess- und Regeltechnik GmbH Safety guidelines | 1
1.6 Inadmissible Modes of Operation
The operational safety of this instrument can only be guaranteed if it is used as
intended. The instrument model must be suitable for the medium used in the
system. The limit values given in the technical data may not be exceeded.
The manufacturer is not liable for damage resulting from improper or incorrect
use.
1.7 Safe working practices for maintenance and installation work
The safety instructions given in this operating manual, any nationally applicable
regulations on accident prevention and any of the operating company's internal
work, operating and safety guidelines must be observed.
The operating company is responsible for ensuring that all required maintenance, inspection and installation work is carried out by qualified specialized personnel.
1.8 Pictogram explanation
DANGER
Type and source of danger
This indicates a direct dangerous situation that could lead to death or serious
injury (highest danger level).
a) Avoid danger by observing the valid safety regulations.
WARNING
Type and source of danger
This indicates a potentially dangerous situation that could lead to death or serious injury (medium danger level).
a) Avoid danger by observing the valid safety regulations.
CAUTION
Type and source of danger
This indicates a potentially dangerous situation that could lead to slight or serious injury, damage or environmental pollution (low danger level).
a) Avoid danger by observing the valid safety regulations.
NOTICE
Note / advice
This indicates useful information of advice for efficient and smooth operation.
BA_EN_DE23 5 / 20
2 | Product and functional description FISCHER Mess- und Regeltechnik GmbH
Pneumatic plug connector
for 6 or 8 mm hose
Hose screw connection
for 6 or 8 mm hose
1 channel version 2 channel version
Assembly on a mounting plate
4 attachment boreholes
for tapping screws
Option:
Mounting rail
assembly
Circuit diagram
+
P1 P2
+
+
Nameplate
M12 plug connection
Wall mounting plateNameplate
+
Silicone-free
Item number
Measuring range
Electrical output
Pmax.
Operating voltage
Prod. No.
DE23D40040BR00MW
0 ... 100 Pa
4 ... 20 mA
100 kPa
24 V DC
1604446.01.001
Special properties
Circuit diagram
Order Codes
Technical data
Serial number
2 Product and functional description
2.1 Delivery scope
• Differential pressure transmitter DE23 ## ## ## # R00M #
• Operating Instructions
2.2 Intended use
The DE23 is a differential pressure transmitter for measuring very small overpressure, under-pressure and differential pressure in neutral, non-corrosive
gaseous media.
2.3 Equipment versions
6 / 20 BA_EN_DE23
Fig.1: Equipment versions
Nameplate
The presented type plates serve to show an example of the information shown.
The data shown is purely fictive, but does correspond to the actual conditions.
For more information, please see the order code at the end of these instructions.
1 channel version
Fig.2: Nameplate 2-wire
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