All rights reserved. It is prohibited to reproduce this documentation, or any part thereof, without
the prior written authorisation of KROHNE Messtechnik GmbH.
7.5 Temperature data for potentially explosive areas......................................................... 37
7.6 Electrical data for outputs and inputs............................................................................ 37
7.7 RTD and T/C accuracy table ........................................................................................... 38
8 Notes39
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OPTITEMP TT 50 C/R
1.1 Intended use
TT 50 C
The TT 50 C is an intelligent, universal HART®-compatible 2-wire in-head transmitter for
temperature, resistance or voltage measurements in an industrial environment.
The transmitter is optionally available in an intrinsically safe version for installation in
potentially explosive areas. These devices are labeled with the "Ex" symbol (TT 50 C Ex) and are
approved for use in zone 0, 1 and 2 and division 1 and 2.
All versions are intended for installation in a "B connection head" or larger according to
DIN 43729.
TT 50 R
The TT 50 R is an intelligent, universal HART®-compatible 2-wire rail-mount transmitter for
temperature, resistance or voltage measurements in an industrial environment.
All versions are intended for installation on a top-hat rail according to DIN 50022.
SAFETY INSTRUCTIONS 1
1.2 Certifications
1.2.1 EC directive compliance
CE marking
The device fulfils all applicable statutory requirements of the following EC directives:
• EMC Directive 2004/108/EC
• Devices for use in potentially explosive areas: ATEX Directive 94/9/EC
The manufacturer certifies successful testing of the product by applying the CE marking.
See also "Certificates" in the download area of the manufacturer's website.
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1 SAFETY INSTRUCTIONS
1.3 Safety instructions from the manufacturer
1.3.1 Copyright and data protection
The contents of this document have been created with great care. Nevertheless, we provide no
guarantee that the contents are correct, complete or up-to-date.
The contents and works in this document are subject to copyright. Contributions from third
parties are identified as such. Reproduction, processing, dissemination and any type of use
beyond what is permitted under copyright requires written authorisation from the respective
author and/or the manufacturer.
The manufacturer tries always to observe the copyrights of others, and to draw on works created
in-house or works in the public domain.
The collection of personal data (such as names, street addresses or e-mail addresses) in the
manufacturer's documents is always on a voluntary basis whenever possible. Whenever
feasible, it is always possible to make use of the offerings and services without providing any
personal data.
OPTITEMP TT 50 C/R
We draw your attention to the fact that data transmission over the Internet (e.g. when
communicating by e-mail) may involve gaps in security. It is not possible to protect such data
completely against access by third parties.
We hereby expressly prohibit the use of the contact data published as part of our duty to publish
an imprint for the purpose of sending us any advertising or informational materials that we have
not expressly requested.
1.3.2 Disclaimer
The manufacturer will not be liable for any damage of any kind by using its product, including,
but not limited to direct, indirect, incidental, punitive and consequential damages.
This disclaimer does not apply in case the manufacturer has acted on purpose or with gross
negligence. In the event any applicable law does not allow such limitations on implied warranties
or the exclusion of limitation of certain damages, you may, if such law applies to you, not be
subject to some or all of the above disclaimer, exclusions or limitations.
Any product purchased from the manufacturer is warranted in accordance with the relevant
product documentation and our Terms and Conditions of Sale.
The manufacturer reserves the right to alter the content of its documents, including this
disclaimer in any way, at any time, for any reason, without prior notification, and will not be liable
in any way for possible consequences of such changes.
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1.3.3 Product liability and warranty
The operator shall bear responsibility for the suitability of the device for the specific purpose.
The manufacturer accepts no liability for the consequences of misuse by the operator. Improper
installation and operation of the devices (systems) will cause the warranty to be void. The
respective "Standard Terms and Conditions" which form the basis for the sales contract shall
also apply.
1.3.4 Information concerning the documentation
To prevent any injury to the user or damage to the device it is essential that you read the
information in this document and observe applicable national standards, safety requirements
and accident prevention regulations.
If this document is not in your native language and if you have any problems understanding the
text, we advise you to contact your local office for assistance. The manufacturer can not accept
responsibility for any damage or injury caused by misunderstanding of the information in this
document.
This document is provided to help you establish operating conditions, which will permit safe and
efficient use of this device. Special considerations and precautions are also described in the
document, which appear in the form of underneath icons.
SAFETY INSTRUCTIONS 1
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1 SAFETY INSTRUCTIONS
1.3.5 Warnings and symbols used
Safety warnings are indicated by the following symbols.
DANGER!
This information refers to the immediate danger when working with electricity.
DANGER!
This warning refers to the immediate danger of burns caused by heat or hot surfaces.
DANGER!
This warning refers to the immediate danger when using this device in a hazardous atmosphere.
DANGER!
These warnings must be observed without fail. Even partial disregard of this warning can lead to
serious health problems and even death. There is also the risk of seriously damaging the device
or parts of the operator's plant.
OPTITEMP TT 50 C/R
WARNING!
Disregarding this safety warning, even if only in part, poses the risk of serious health problems.
There is also the risk of damaging the device or parts of the operator's plant.
CAUTION!
Disregarding these instructions can result in damage to the device or to parts of the operator's
plant.
INFORMATION!
These instructions contain important information for the handling of the device.
LEGAL NOTICE!
This note contains information on statutory directives and standards.
• HANDLING
HANDLING
HANDLINGHANDLING
This symbol designates all instructions for actions to be carried out by the operator in the
specified sequence.
iRESULT
RESULT
RESULTRESULT
This symbol refers to all important consequences of the previous actions.
1.4 Safety instructions for the operator
WARNING!
In general, devices from the manufacturer may only be installed, commissioned, operated and
maintained by properly trained and authorized personnel.
This document is provided to help you establish operating conditions, which will permit safe and
efficient use of this device.
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2.1 Scope of delivery
The scope of delivery always consists of the transmitter and its documentation.
2.2 General description
The TT 50 transmitters are intelligent 2-wire universal transmitters with one channel.
The transmitters are intended for:
• Temperature measurements with resistance thermometers
• Temperature measurements with thermocouples
• Temperature difference measurements with resistance thermometers
• Measurements with potentiometers
• Voltage measurements in a range -10…+500 mV
INFORMATION!
The TT 50 C
TT 50 C is optionally available for operation in potentially explosive areas (zone 0, 1 and 2
TT 50 CTT 50 C
and division 1 and 2).
DEVICE DESCRIPTION 2
The TT 50 C / TT 50 C Ex
TT 50 C / TT 50 C Ex are designed for installation in a "B connection head" according to
TT 50 C / TT 50 C ExTT 50 C / TT 50 C Ex
DIN 43729 or larger.
The TT 50 R
TT 50 R is designed for installation on a rail according to DIN 50022.
TT 50 RTT 50 R
®
The 2-wire universal transmitters are HART
possible with:
®
• HART
• HART
• The third part PC software with a FSK modem for HART
• PC configuration software (HartSoft) with HART
To configure the transmitter using an IBM-compatible PC, the "HartSoft" software is required.
The Windows-based "HartSoft" software can be used to access all functions of the transmitter. It
is also used for configuration, calibration, display and documentation.
5 protocol via 4…20 mA output circuit
®
5 hand held terminal
5-compatible. Configuration of the transmitter is
®
5 communication
®
modem
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2 DEVICE DESCRIPTION
2.3 Nameplate
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
Check for the correct supply voltage printed on the nameplate.
The transmitter can be identified by the information on the nameplates.
2.3.1 Example of a nameplate for an in-head transmitter (Non-Ex)
1 Product name
2 Part number
3 Year and week of manufacturing / batch number
4 Manufacturer and address
5 Website of manufacturer
6 Space for configuration data sticker
7 CE marking (EC conformity)
8 WEEE dustbin symbol
OPTITEMP TT 50 C/R
2.3.2 Example of namplates for an in-head transmitter (Ex)
1 Product name
2 Symbol for Ex-approval
3 Part number
4 Year and week of manufacturing / batch number
5 Manufacturer and address
6 Website of manufacturer
7 Space for configuration data sticker
8 CE marking (EC conformity)
9 WEEE dustbin symbol
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1 Product name
2 Symbol for Ex-approval
3 ATEX approval
4 Temperature classes
5 Manufacturer and address
6 Ex-relevant electrical data
7 Supplementary Ex-data
2.3.3 Nameplate for rail-mount transmitter
DEVICE DESCRIPTION 2
1 Product name
2 Top down: part number, year and week of manufacturing, batch number
3 Space for configuration data sticker
4 Manufacturer and address
5 Website of manufacturer
6 CE marking (EC conformity)
7 WEEE dustbin symbol
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3 INSTALLATION
3.1 Notes on installation
INFORMATION!
Inspect the cartons carefully for damage or signs of rough handling. Report damage to the
carrier and to the local office of the manufacturer.
INFORMATION!
Check the packing list to check if you received completely all that you ordered.
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
Check for the correct supply voltage printed on the nameplate.
3.2 In-head transmitter
These transmitters are intended for installation in DIN B connection heads or larger. The large
Ø7 mm / 0.28" center hole facilitates the electrical connection of the measurement sensor and
the installation. For detailed information refer to the chapter "Dimensions and weights".