KROHNE TT31R User Manual
Intelligent 2
Intelligent 2----wire universal transmitter, 1
Intelligent 2Intelligent 2
wire universal transmitter, 1---- and 2
wire universal transmitter, 1wire universal transmitter, 1
and 2----channel
and 2and 2
channel
channelchannel
© KROHNE 02/2011 – 4000753501 – MA OPTITEMP TT31 R R01 en
Copyright ©
All rights reserved. Any duplication of this documentation or extracts thereof by any
means is prohibited without prior written consent from KROHNE Messtechnik GmbH.
Subject to change without notice.
Copyright 2011 by
KROHNE Messtechnik GmbH • Ludwig-Krohne-Straße 5 • 47058 Duisburg, Germany
Tel. +49 (203) 301-0
02/2011 – 4000753501 – MA OPTITEMP TT31CR R01 en www.krohne.com
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1 Safety information ............................................................................ 4
1.1 Intended use ...................................................................................................................... 4
1.2 Product liability and guarantee .................................................................................. 4
1.3 Certifications, TT 31 R ..................................................................................................... 5
1.3.1 Certifications, TT 31 R ......................................................................................................... 5
1.3.2 General certifications .......................................................................................................... 5
1.4 Manufacturer's safety instructions ............................................................................ 6
1.4.1 Notes about the documentation .................................................................................... 6
1.4.2 Symbol conventions ............................................................................................................ 6
2 Device description............................................................................. 8
3 Installation ......................................................................................... 9
3.1 Installation TT 31 R .......................................................................................................... 9
4 Electrical connections ..................................................................... 10
4.1 Safety instructions ........................................................................................................ 10
4.2 Connections, measuring input ................................................................................. 11
4.3 Connection diagram TT 31 R .................................................................................... 12
4.4 Connection diagram TT 31 R ............................................................................... 13
4.5 Cable length .................................................................................................................... 15
5 Operation ...........................................
5.1 Connection with the KROHNE PC configuration set ........................................ 16
5.1.1 Connection, TT 31 R .......................................................................................................... 16
5.1.2 Connection, TT 31 R .................................................................................................... 17
5.2 General information ..................................................................................................... 19
5.2.1 Temperature difference measurement ....................................................................... 21
5.2.2 Sensor break monitoring ................................................................................................. 21
.............................................. 16
6 Technical data .................................................................................. 22
6.1 Specifications, TT 31 R / TT 31 R ........................................................................ 22
6.1.1 Technical data ...................................................................................................................... 22
6.1.2 Output load diagram ........................................................................................................ 23
6.1.3 Dimensions ........................................................................................................................... 23
6.1.4 Values for input signals, TT 31 R ............................................................................ 24
7 Service .............................................................................................. 25
7.1 Ordering information TT 31 R .................................................................................. 25
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1 Safety information
1.1 Intended use
The TT 31 R is an intelligent, two-wire universal transmitter for temperature and other
measurement applications. It is only intended for installation on a top-hat rail according
to DIN EN 50022.
The TT 30 C is optionally available in an intrinsically safe version.
safe area, the transmitter may be operated with sensors in areas with potentially
explosive atmospheres! These devices are labeled with the Ex symbol .
When installed in the
ATTENTION!
Responsibility for the use of the device with regard to suitability, intended use and area
of application lies solely with the user.
The manufacturer shall not be liable for damage resulting from improper use or use for
other than the intended purpose.
1.2 Product liability and guarantee
Use for other than the intended purpose or improper installation and operation may
lead to loss of the guarantee. The guarantee shall likewise be void if the device is
damaged or its function otherwise impaired.
KROHNE Messtechnik GmbH hereby guarantees that the product will be free of material
and workmanship defects for a period of five (5) years from the date of delivery ("limited
guarantee"). This limited guarantee refers to repairs or exchanges, and is only valid for
the first end user of the product.
The "General conditions of sale" forming the basis of the purchase contract are also
applicable.
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1.3 Certifications, TT 31 R
1.3.1 Certifications, TT 31 R
Approval DEMKO 06 ATEX 141334X
CE 0102
II (1) G [Ex ia] IIC
CE 0102 II (1) D [Ex iaD]
1.3.2 General certifications
IMPORTANT NOTE!
See also the ATEX certificate "Special conditions for safe use".
The measuring device complies with the statutory requirements of the following EC
directives:
The manufacturer's declaration can be viewed on the Internet at
http://www.krohne.com/html/dlc/index.shtml.
KROHNE Messtechnik GmbH certifies successful testing of the product by applying the
CE mark.
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1.4 Manufacturer's safety instructions
The measuring device has been built and tested in accordance with the current state of
the art, and complies with the relevant safety standards.
However, dangers may arise from improper use or use for other than the intended
purpose.
1.4.1 Notes about the documentation
In addition to the safety rules and industrial safety regulations in this documentation,
national and regional safety rules and industrial safety regulations must also be
observed.
For this reason, observe all of the safety instructions in this document carefully.
1.4.2 Symbol conventions
For greater clarity, the following symbols are used in this documentation:
DANGER!, WARNING!, ATTENTION!, CAUTION!
This symbol indicates general dangers.
All warnings must always be observed. Even partial failure on your part to observe
them can lead to serious damage to health, damage to the device or to the user's
system components.
DANGER!
This symbol is used to identify dangers when working with electric current.
Work on the device's electrical and electronic components may only be performed by
qualified personnel with the appropriate training.
DANGER!
This symbol indicates dangers in areas with potentially explosive atmospheres, for
example those which may arise during installation and operation of explosion-proof
devices.
Special regulations apply for use in areas with potentially explosive atmospheres; these
must always be observed in order to ensure safe use in such areas. Installation, set-up,
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operation and maintenance of the device may only be performed by qualified persons
with training in explosion protection.
Important note!, Note!, Information!
This symbol identifies important notes and information for working with the device.
Legal note!
This symbol identifies references to legal and normative regulations.
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2 Device description
The KROHNE TT 31 R is
for
o
Temperature measurements with resistance thermometers
o
Temperature measurements with thermocouples
o
Temperature difference measurements with resistance thermometers
o
Measurements with potentiometers
o
Voltage measurements in a range up to 500 mV
an intelligent, two-wire universal transmitter with one or two channels
in an industrial environment.
The transmitter is optionally available for areas with potentially explosive atmospheres.
An IBM compatible PC and the "TempSoft" software are required for configuration of
the transmitter.
No further calibration work is required after configuration.
The two wire univeral transmitter TT 31 R is designed for installation on a top-hat rail
according to DIN EN 50022.
The transmitter is configured using a standard IBM compatible PC and the "TempSoft"
software.
The current version of the software is available for download on our website
http://www.krohne.com/html/dlc/index.shtml.
You can find configuration instructions in the "TempSoft" reference manual.
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3 Installation
3.1 Installation TT 31 R
The TT 31 R transmitter is intended for installation on a top-hat rail according to
DIN EN 50022.
Figure 1: Rail installation
1
Hook the upper groove of the transmitter onto the rail.
2
Press the transmitter downwards until the snap fastener engages on the rail.
To remove, press the snap fastener downwards using a screwdriver. Carefully pull
3
the transmitter forwards.
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