Siemens SITRANS TH100 User manual

฀SITRANS TH100฀
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SITRANS T
Temperature transmitter
SITRANS TH100
Operating Instructions
7NG3211-0*N00 SITRANS TH100
06/2010
A5E00331168-02
Introduction 1
General safety information
2
Description
3
Assembly
4
Connecting
5
Operation
6
Commissioning
7
Functions
8
Service and maintenance
9
Technical data
10
Dimensional drawings
11
Spare parts and accessories
12
Appendix
A

Legal information
Legal information
Warning notice system
This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent
damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert
symbol, notices referring only to property damage have no safety alert symbol. These notices shown below are
graded according to the degree of danger.
DANGER
indicates that death or severe personal injury will result if proper precautions are not taken.
WARNING
indicates that death or severe personal injury may result if proper precautions are not taken.
CAUTION
with a safety alert symbol, indicates that minor personal injury can result if proper precautions are not taken.
CAUTION
without a safety alert symbol, indicates that property damage can result if proper precautions are not taken.
NOTICE
indicates that an unintended result or situation can occur if the corresponding information is not taken into
account.
If more than one degree of danger is present, the warning notice representing the highest degree of danger will
be used. A notice warning of injury to persons with a safety alert symbol may also include a warning relating to
property damage.
Qualified Personnel
The product/system described in this documentation may be operated only by personnel qualified for the specific
task in accordance with the relevant documentation for the specific task, in particular its warning notices and
safety instructions. Qualified personnel are those who, based on their training and experience, are capable of
identifying risks and avoiding potential hazards when working with these products/systems.
Proper use of Siemens products
Note the following:
WARNING
Siemens products may only be used for the applications described in the catalog and in the relevant technical
documentation. If products and components from other manufacturers are used, these must be recommended
or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and
maintenance are required to ensure that the products operate safely and without any problems. The permissible
ambient conditions must be adhered to. The information in the relevant documentation must be observed.
Trademarks
All names identified by ® are registered trademarks of the Siemens AG. The remaining trademarks in this
publication may be trademarks whose use by third parties for their own purposes could violate the rights of the
owner.
Disclaimer of Liability
We have reviewed the contents of this publication to ensure consistency with the hardware and software
described. Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, the
information in this publication is reviewed regularly and any necessary corrections are included in subsequent
editions.
Siemens AG
Industry Sector
Postfach 48 48
90026 NÜRNBERG
GERMANY
order number: A5E00331168
Ⓟ 10/2010
Copyright © Siemens AG 2010.
Technical data subject to change

SITRANS TH100
Operating Instructions, 06/2010, A5E00331168-02 3
Table of contents
1 Introduction................................................................................................................................................ 5
1.1 Purpose of this documentation ......................................................................................................5
1.2 History............................................................................................................................................5
1.3 Notes on warranty..........................................................................................................................5
1.4 Environmental protection ...............................................................................................................6
2 General safety information......................................................................................................................... 7
2.1 General information .......................................................................................................................7
2.2 Correct usage.................................................................................................................................7
2.3 Qualified Personnel........................................................................................................................7
2.4 Laws and directives .......................................................................................................................8
2.5 Measures .......................................................................................................................................9
3 Description............................................................................................................................................... 11
3.1 Field of application .......................................................................................................................11
3.2 Product features...........................................................................................................................11
3.3 Nameplate structure.....................................................................................................................12
3.4 Mode of operation ........................................................................................................................13
4 Assembly................................................................................................................................................. 15
4.1 Safety information ........................................................................................................................15
4.2 Installation in the connection head ..............................................................................................15
4.3 Installation on DIN rail and G rail .................................................................................................17
5 Connecting .............................................................................................................................................. 19
5.1 Safety information on connecting up ...........................................................................................19
5.1.1 General safety notes on the connection ......................................................................................19
5.1.2 Safety notes when connecting in hazardous areas .....................................................................20
5.2 Connecting the auxiliary power supply ........................................................................................23
5.3 Connector assignments ...............................................................................................................23
5.4 Connection diagrams ...................................................................................................................24
6 Operation................................................................................................................................................. 25
7 Commissioning ........................................................................................................................................ 27

Table of contents
SITRANS TH100
4 Operating Instructions, 06/2010, A5E00331168-02
8 Functions................................................................................................................................................. 29
8.1 General information..................................................................................................................... 29
8.2 Output current in event of fault.................................................................................................... 29
8.3 Broken wire monitoring ............................................................................................................... 29
8.4 Short-circuit monitoring ............................................................................................................... 29
8.5 Line compensation ...................................................................................................................... 30
8.6 Type of characteristic curve (rising or falling) ............................................................................. 30
9 Service and maintenance ........................................................................................................................ 31
10 Technical data ......................................................................................................................................... 33
11 Dimensional drawings.............................................................................................................................. 37
11.1 Dimension drawing for SITRANS TH100.................................................................................... 37
11.2 Dimension drawing for the DIN rail adapter................................................................................37
12 Spare parts and accessories ................................................................................................................... 39
A Appendix.................................................................................................................................................. 41
A.1 Certificates .................................................................................................................................. 41
A.2 Control drawing ........................................................................................................................... 42
A.3 Technical support........................................................................................................................ 44
Glossary .................................................................................................................................................. 45
Index........................................................................................................................................................ 49

SITRANS TH100
Operating Instructions, 06/2010, A5E00331168-02 5
Introduction 1
1.1 Purpose of this documentation
These instructions contain all information that you will require to commission and use the
device. Read these instructions carefully prior to installation and commissioning. In order to
use the device correctly, first make yourself acquainted with its principle of operation.
The instructions are aimed both at persons mechanically installing the device, connecting it
electronically, configuring the parameters and commissioning it as well as service and
maintenance engineers.
1.2 History
The following table shows the most important changes in the documentation compared to
each previous edition:
Edition Remark Firmware identification
nameplate
System integration
01
06/2006
First edition FW: 01.01.00 TH100: SIPROM T V1.07
02
06/2010
Editorial revision as
regards content
FW: 01.01.00 TH100: SIPROM T V1.07
1.3 Notes on warranty
The contents of this programming manual shall not become part of or modify any prior or
existing agreement, commitment or legal relationship. All obligations on the part of Siemens
AG are contained in the respective sales contract, which also contains the complete and
solely applicable warranty conditions. Any statements on the device versions described in
the programming manual do not create new warranties or modify the existing warranty.
The content reflects the technical status at the time of printing. We reserve the right to make
technical changes in the course of further development.
See also
Contacts (http://www.siemens.com/processinstrumentation/contacts)
Product information on SITRANS T in the Internet (http://www.siemens.com/sitranst)
Instructions and Manuals (http://www.siemens.com/processinstrumentation/documentation)

Introduction
1.4 Environmental protection
SITRANS TH100
6 Operating Instructions, 06/2010, A5E00331168-02
1.4 Environmental protection
Recycling
Devices described in this programming manual can be recycled owing to the low content of
noxious substances in their version.
Please contact a certified waste disposal company for eco-friendly recycling and to dispose
of your old devices.

SITRANS TH100
Operating Instructions, 06/2010, A5E00331168-02 7
General safety information 2
2.1 General information
This device left the factory free from safety problems. In order to maintain this status and to
ensure safe operation of the device, please observe the safety information and warnings
contained in these instructions.
Safety information and symbols must be observed without exception. They must not be
removed and must be maintained in legible condition at all times.
2.2 Correct usage
The device may only be used for the purposes specified in these instructions.
Insofar as they are not expressly stated in these instructions, all changes to the device are
the sole responsibility of the user.
2.3 Qualified Personnel
Qualified personnel are people who are familiar with the installation, mounting,
commissioning, and operation of the product. These people have the following qualifications:
● They are authorized, trained or instructed in operating and maintaining devices and
systems according to the safety regulations for electrical circuits, high pressures and
aggressive as well as hazardous media.
● For explosion-proof devices: They are authorized, trained, or instructed in carrying out
work on electrical circuits for hazardous systems.
● They are trained or instructed in maintenance and use of appropriate safety equipment
according to the safety regulations.

General safety information
2.4 Laws and directives
SITRANS TH100
8 Operating Instructions, 06/2010, A5E00331168-02
2.4 Laws and directives
Observe the test certification, provisions and laws applicable in your country during
connection, assembly and operation. These include, for example:
● National Electrical Code (NEC - NFPA 70) (USA)
● Canadian Electrical Code (CEC) (Canada)
● The working reliability regulation (Germany)
Further provisions for hazardous areas, these are for example:
● IEC 60079-14 (international)
● EN 60079-14 (formerly VDE 0165, T1) (EU, Germany)
See also
Certificates (http://www.siemens.com/processinstrumentation/certificates)

General safety information
2.5 Measures
SITRANS TH100
Operating Instructions, 06/2010, A5E00331168-02 9
2.5 Measures
In the interests of safety, the following precautions must be observed:
WARNING
"Intrinsic safety" type of protection
Connect the device only to certified, intrinsically safe circuits. These circuits must comply
with the technical data specified on the nameplate or in the certificates and approvals.
Should these circuits not match the details given in the certificates and approvals, then the
safety required for the approval can no longer be guaranteed. The device's protection level
"ia" is lowered to protection level "ib" if fail-safe circuits are connected with protection level
"ib".
"Limited energy" type of protection ic/nL (Zone 2)
Devices of the protection type "limited energy" can be connected and disconnected during
operation.
"Non-sparking" type of protection nA (Zone 2)
Devices of the protection type "non-sparking" may only be connected and disconnected
when in a powered-down state.
CAUTION
Modules susceptible to electrical discharge
The device contains modules susceptible to electrical discharge. Modules susceptible to
electrical discharge can be destroyed by voltages that fall far below the limits of human
perception. These voltages even occur if you touch a component part or electrical
connections of a module without being electrostatically discharged. The damage to a
module caused by overvoltage cannot normally be detected immediately, it only becomes
apparent after a longer period of operating time has elapsed.

General safety information
2.5 Measures
SITRANS TH100
10 Operating Instructions, 06/2010, A5E00331168-02

SITRANS TH100
Operating Instructions, 06/2010, A5E00331168-02 11
Description 3
3.1 Field of application
The SITRANS TH100 transmitter can be used in all fields. Its compact size means that it can
be installed in connection heads of type B (DIN 43729) or larger. The following sensor can
be connected:
● Pt100 resistance thermometer
The output signal is a load-independent direct current of 4 to 20 mA which is proportional to
the temperature.
Explosion-proof transmitters can be installed and operated within potentially explosive
atmospheres in compliance with the information given in the relevant certificates and
approvals and in these Operating Instructions.
3.2 Product features
● Transmitter with two-wire technology
● Installation in connection head of type B (in accordance with DIN 43729) or larger, or on a
DIN rail
● Programming e.g. of sensor connection and measuring range
● Intrinsically-safe and non-sparking version for use in hazardous areas

Description
3.3 Nameplate structure
SITRANS TH100
12 Operating Instructions, 06/2010, A5E00331168-02
3.3 Nameplate structure
The nameplate is located on the enclosure and carries the Order No. and other important
product information; see following example.
nnnn
s7NG3211-0AN00-Z
Serial-No.: AZB/nnnnnnnn
4...20mA
XXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXX

① Product name ② Version
③ Order No. ④ Additional data, optional
⑤ CE mark ⑥ Consult the operating instructions.
⑦ Firmware revision ⑧ Hardware revision
⑨ Serial number ⑩ Place of manufacture
⑪ Manufacturer's address ⑫ Manufacturer
Figure 3-1 Nameplate structure
Note
Information about explosion protection
With explosion-proof devices, the information about explosion protection is noted on an
additional plate on the enclosure.
Information regarding the certified types of protection can be found in Chapter Technical
data (Page 33):

Description
3.4 Mode of operation
SITRANS TH100
Operating Instructions, 06/2010, A5E00331168-02 13
3.4 Mode of operation
The following function block diagram clarifies the transmitter's mode of operation:
(0&B3W08;$''$w&8,8
UHI
(0&BP$8
UHI
,F8
DX[ , out

① Pt100 resistance thermometer ② Input stage with protection components
③ Constant current source ④ Multiplexer
⑤ Analog-to-digital converter ⑥ Microcontroller: arithmetic functions and
saving of all parameters
⑦ Digital-to-analog converter ⑧ Auxiliary power supply (Uaux)/ output
current (Iout)
⑨ Output stage with protection components ⑩ Voltage converter, current converter,
constant voltage source, and reference
voltage source
Figure 3-2 Function block diagram SITRANS TH100
Mode of operation of the transmitter
The signal delivered by a Pt100 resistance thermometer (two-wire, three-wire, four-wire
system) is amplified in the input stage. The voltage proportional to the input variable is then
converted into digital signals by a multiplexer in an analog-to-digital converter. These are
converted in the microcontroller in accordance with the sensor characteristic and further
data, e.g. measuring range or damping.
The signal prepared in this manner is then converted in a digital-to-analog converter into a
load-independent direct current of 4 to 20 mA.
The input and output circuits are each protected against electromagnetic interference
through the use of EMC filters.

Description
3.4 Mode of operation
SITRANS TH100
14 Operating Instructions, 06/2010, A5E00331168-02

SITRANS TH100
Operating Instructions, 06/2010, A5E00331168-02 15
Assembly 4
4.1 Safety information
CAUTION
Mounting in hazardous areas
Make sure you observe the following information before installing the transmitter:
Install the transmitter in an enclosure appropriate for the envisaged application
In hazardous areas, also observe the requirements specified in the Ex certificates and
approvals.
Comply with the ambient conditions specified in the technical data.
4.2 Installation in the connection head
NOTICE
The transmitter is only designed for installation in a type B connection head or larger.
The transmitter is either secured in the base of the connection head or in the raised cover of
the connection head. Included in the transmitter's scope of delivery are:
● Springs
● Fixing screws

Assembly
4.2 Installation in the connection head
SITRANS TH100
16 Operating Instructions, 06/2010, A5E00331168-02
Securing the transmitter in the connection head base
① Transmitter ② Connection head
Securing the transmitter in the connection head cover

① Transmitter ② Ceramic base of the measuring element
③ Connection head

Assembly
4.3 Installation on DIN rail and G rail
SITRANS TH100
Operating Instructions, 06/2010, A5E00331168-02 17
4.3 Installation on DIN rail and G rail
You can either install the transmitter on a DIN rail with 35 mm or on a G rail with 32 mm.
DIN EN 60715 applies to DIN rails and G rails in this context. The DIN rail adapter required
for installation can be ordered as an accessory under the Order No. 7NG3092-8KA.
Adhere to the ambient conditions specified in the technical data.
Figure 4-1 Securing the transmitter on DIN rails
Figure 4-2 Securing the transmitter on G rails

Assembly
4.3 Installation on DIN rail and G rail
SITRANS TH100
18 Operating Instructions, 06/2010, A5E00331168-02

SITRANS TH100
Operating Instructions, 06/2010, A5E00331168-02 19
Connecting 5
5.1 Safety information on connecting up
5.1.1 General safety notes on the connection
Note
To improve the resistance:
Lay signal cables separately from cables with voltages > 60 V.
Use cables with twisted wires.
Avoid getting too close to large electrical systems or use shielded cables.
Use only cable entries and covers that are approved for the relevant use.
At an ambient temperature T ≥ 60°C, use heat-resistant cables approved for an ambient
temperature of at least 20 K higher.
Use cables with wires that have a maximum cross-sectional area of 2.5 mm2.

Connecting
5.1 Safety information on connecting up
SITRANS TH100
20 Operating Instructions, 06/2010, A5E00331168-02
5.1.2 Safety notes when connecting in hazardous areas
WARNING
Observe the degree of protection
The device must be connected to the supply and signal circuits named in the certificate or
on the nameplate.
When installing the device in hazardous areas:
Use enclosures/connection heads with the degree of protection corresponding to the test
certificate applicable in your country.
WARNING
Electrical connection in hazardous areas
The national directives and laws for hazardous areas valid in your country must be
observed for electrical connection. In Germany these are, for example:
The health and safety at work regulations
The directive for "Installation of electrical systems in hazardous areas", DIN EN 60079-
14 (previously VDE 0165,T1)
The EC type examination certificate
When a auxiliary power supply is needed, check whether the auxiliary power supply
matches that given on the nameplate and with the inspection certificate valid in your
country.
CAUTION
Limited range of use
If the device has been operated outside the ambient conditions specified for potentially
explosive atmospheres, you may no longer operate the device in potentially explosive
atmospheres. Make sure to permanently mask all Ex markings on the nameplate.
NOTICE
Loss of type of protection "Intrinsic safety"
If the transmitter is not operated with an intrinsically-safe power supply, the type of
protection "Intrinsic safety" is no longer guaranteed and the intrinsically-safe approval may
be revoked.
Permanently erase, therefore, the irrelevant types of protection on the nameplate before
commissioning to ensure that erroneous deployment is avoided.