Siemens SITRANS TH400 User manual

SITRANS TH400
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SITRANS
Temperature transmitter
SITRANS TH400
Operating Instructions
7NG3214 SITRANS TH400 with PROFIBUS PA
7NG3215 SITRANS TH400 with FOUNDATION
fieldbus
03/2014
A5E01018688-03
Introduction
1
General safety notes
2
Description
3
Mounting
4
Connecting
5
Operation
6
Functions
7
Service and maintenance
8
Technical data
9
Dimension drawings
10
Spare parts and accessories
11
Appendix
A

Siemens AG
Industry Sector
Postfach 48 48
90026 NÜRNBERG
GERMANY
Order number: A5E01018688
Ⓟ06/2014 Subject to change
Copyright © Siemens AG 2014.
All rights reserved
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
indicates that minor personal injury can result if proper precautions are not taken.
NOTICE
indicates that property damage can result if proper precautions are not taken.
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, 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 complied with. The information in the relevant documentation must be observed.
Trademarks
All names identified by ® are registered trademarks of 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.

SITRANS TH400
Operating Instructions, 03/2014, A5E01018688-03 3
Table of contents
1 Introduction............................................................................................................................................. 5
1.1 Purpose of this documentation ......................................................................................................5
1.2 History ............................................................................................................................................5
1.3 Notes on warranty ..........................................................................................................................6
1.4 Environmental protection ...............................................................................................................6
2 General safety notes............................................................................................................................... 7
3 Description.............................................................................................................................................. 9
3.1 Summary........................................................................................................................................9
3.2 Application range ...........................................................................................................................9
3.3 Product features.............................................................................................................................9
3.4 Type plate structure .....................................................................................................................10
3.5 Mode of operation ........................................................................................................................11
3.6 System communication................................................................................................................12
4 Mounting............................................................................................................................................... 13
4.1 Safety Notes.................................................................................................................................13
4.2 Installation in the connection head...............................................................................................14
4.3 Installation on DIN rail and G rail .................................................................................................15
5 Connecting ........................................................................................................................................... 17
5.1 Safety Notes.................................................................................................................................17
5.1.1 Safety notes for connecting in hazardous TH400........................................................................20
5.1.2 Special safety consideration for connecting SITRANS TH300/TH400 ........................................23
5.1.3 Test terminals for output signal....................................................................................................23
5.2 Connection assignments..............................................................................................................23
5.3 Connection diagrams ...................................................................................................................24
5.4 Bus connection.............................................................................................................................27
6 Operation.............................................................................................................................................. 29
7 Functions.............................................................................................................................................. 31
7.1 Summary......................................................................................................................................31
7.2 Device address ............................................................................................................................31
7.2.1 SITRANS TH400 PROFIBUS PA ................................................................................................31
7.2.2 SITRANS TH400 FOUNDATION field bus ..................................................................................32
7.3 Device delivery condition .............................................................................................................32
7.4 Simulation mode ..........................................................................................................................34

Table of contents
SITRANS TH400
4Operating Instructions, 03/2014, A5E01018688-03
7.4.1 Simulation mode in PROFIBUS PA ............................................................................................ 34
7.4.2 Simulation mode with FOUNDATION fieldbus............................................................................ 34
8 Service and maintenance...................................................................................................................... 35
8.1 Maintenance................................................................................................................................ 35
9 Technical data ...................................................................................................................................... 37
10 Dimension drawings.............................................................................................................................. 45
11 Spare parts and accessories................................................................................................................. 47
A Appendix .............................................................................................................................................. 49
A.1 Certificates / EC declaration of conformity.................................................................................. 49
A.2 Control drawing ........................................................................................................................... 50
A.3 Technical support........................................................................................................................ 53
Index .................................................................................................................................................... 55

SITRANS TH400
Operating Instructions, 03/2014, A5E01018688-03 5
Introduction
1
1.1
Purpose of this documentation
These instructions contain all information required to commission and use the device. It is
your responsibility to read the instructions carefully prior to installation and commissioning. In
order to use the device correctly, first review its principle of operation.
The instructions are aimed 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
This history establishes the correlation between the current documentation and the valid
firmware of the device.
The documentation of this edition is applicable for the following firmware variants:
Edition
Firmware identification type
plate
System integration
Installation path for PDM
PROFIBUS PA version:
01
02/2007
FW: V2.03 and FW: V2.04
Note: The firmware revision of
TH400 PROFIBUS PA 2.04 is
equivalent to the firmware
revision 2.03, even if the
GSD/EDD indicates firmware
revision 2.03.
PDM V6.0
DD rev. 1.00
SITRANS TH400
02
06/2010
03
03/2014
FOUNDATION fieldbus version
:
01
02/2007
FW: V2.03 and FW: V2.04 Standard fieldbus
compatible control
systems
Not relevant.
02
06/2010
03
03/2014
The most important changes in the documentation when compared with the respective
previous edition are given in the following table.

Introduction
1.3 Notes on warranty
SITRANS TH400
6Operating Instructions, 03/2014, A5E01018688-03
Edition
Remarks
01
02/2007
First edition
02
06/2010
Revised safety information, modifications in chapter "Connection"
03
03/2014
Firmware version added.
1.3
Notes on warranty
The contents of this manual shall not become part of or modify any prior or existing
agreement, commitment or legal relationship. The sales contract contains all obligations on
the part of Siemens as well as the complete and solely applicable warranty conditions. Any
statements regarding device versions described in the manual do not create new warranties
or modify the existing warranty.
The content reflects the technical status at the time of publishing. Siemens reserves the right
to make technical changes in the course of further development.
1.4
Environmental protection
Recycling
Devices described in this programming manual can be recycled.
Please contact a certified waste disposal company for eco-friendly recycling and disposal
instructions.

SITRANS TH400
Operating Instructions, 03/2014, A5E01018688-03 7
General safety notes
2
This device left the factory in good working condition. In order to maintain this status and to
ensure safe operation of the device, observe these instructions and all the specifications
relevant to safety.
Observe the information and symbols on the device. Do not remove any information or
symbols from the device. Always keep the information and symbols in a completely legible
state.
Symbol
Meaning
Pay attention to the operating instructions
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)
Further provisions for hazardous area applications are for example:
●IEC 60079-14 (international)
●EN 60079-14 (EC)
The CE mark on the device is a sign of conformity with the following European directives:
Electromagnetic
Compatibility EMC
2004/108/EC
Directive of the European Parliament and of the Council on the
approximation of the laws of the Member States relating to
electromagnetic compatibility and repealing Directive
89/336/EEC.
Atmosphère explosible
ATEX
94/9/EC
Directive of the European Parliament and the Council on the
approximation of the laws of the Member States concerning
equipment and protective systems intended for use in
potentially explosive atmospheres.
The directives applied can be found in the EC declaration of conformity for the associated
device.

General safety notes
SITRANS TH400
8Operating Instructions, 03/2014, A5E01018688-03
WARNING
Improper device modifications
Danger to personnel, system and environment can result from modifications to the device,
particularly in hazardous areas.
•Only carry out modifications that are described in the instructions for the device. Failure
to observe this requirement cancels the manufacturer's warranty and the product
approvals.
Qualified personnel for hazardous area applications
Persons who install, connect, commission, operate, and service the device in a hazardous
area must have the following specific qualifications:
●They are authorized, trained or instructed in operating and maintaining devices and
systems according to the safety regulations for electrical circuits, high pressures,
aggressive, and hazardous media.
●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 pertinent safety regulations.
WARNING
Unsuitable device for the hazardous area
Danger of explosion.
•Only use equipment that is approved for use in the intended hazardous area and
labelled accordingly.
WARNING
Loss of safety of device with type of protection "Intrinsic safety Ex i"
If the device has already been operated in non-intrinsically safe circuits or the electrical
specifications have not been observed, the safety of the device is no longer ensured for use
in hazardous areas. There is a danger of explosion.
•Connect the device with type of protection "Intrinsic safety" solely to an intrinsically safe
circuit.
•Observe the specifications for the electrical data on the certificate and in Chapter
"Technical data".

SITRANS TH400
Operating Instructions, 03/2014, A5E01018688-03 9
Description
3
3.1
Summary
The temperature transmitter SITRANS TH400 is available in to basic versions for the
fieldbus protocols:
●PROFIBUS PA (7NG3214 ...)
●FOUNDATION fieldbus (7NG3215 ...)
3.2
Application range
●Linearized temperature measurement with a resistance thermometer or thermocouple;
●Difference, mean value, or redundant temperature measurement with resistance
thermometer or thermocouple;
●Linear resistance and bipolar millivolt measurements;
●Difference, mean value or redundant resistance and bipolar millivolt measurement.
Install and operate the explosion-proof transmitter in hazardous areas according to the
specifications of the EC-type examination certificate per ATEX and these Operating
Instructions or the inspection certificate valid in your country.
3.3
Product features
●Installation in the type B connection head per DIN 43729 or a larger connection head.
●Transmitter with PROFIBUS PA communication
●Transmitter with FOUNDATION fieldbus communication
●Capable of communication via PROFIBUS PA and FOUNDATION fieldbus. For example,
sensor activation and measuring range can be programmed with it.
●Configuration via PROFIBUS PA with SIMATIC PDM (SITRANS TH400 as PROFIBUS
PA version) or via FOUNDATION fieldbus with Emerson AMS, handheld 375 (SITRANS
TH400 as FOUNDATION fieldbus version).
●The simulation mode in FOUNDATION fieldbus is activated with a magnetic pin.
●Polarity-independent bus connection
●24 bit analog-to-digital converter for a high resolution
●PROFIBUS PA function blocks: Two analog
●FOUNDATION fieldbus function blocks: Two analog and one PID

Description
3.4 Type plate structure
SITRANS TH400
10 Operating Instructions, 03/2014, A5E01018688-03
●FOUNDATION fieldbus functionality: Basic or LAS.
●Galvanical isolation
●Intrinsically safe version for use in hazardous areas
●Special characteristic curve
3.4
Type plate structure
The nameplate is located on the housing and carries the order number and other important
product information; see following example.
①
Manufacturer
②
Device version: PROFIBUS PA or
FOUNDATION Fieldbus
③
Hardware and firmware revision
④
Pay attention to the Operating Instructions
⑤
Serial number with coded production year
and production month
⑥
Order number
⑦
Type designation
⑧
Country of origin
Figure 3-1 Nameplate structure SITRANS TH400

Description
3.5 Mode of operation
SITRANS TH400
Operating Instructions, 03/2014, A5E01018688-03 11
3.5
Mode of operation
In what follows, the mode of operation of the transmitter is explained using the function block
diagram.
The two versions of the SITRANS TH400 (7NG3214 ... and 7NG3215 ...) are distinguished
solely by the type of the fieldbus protocols (PROFIBUS PA or FOUNDATION fieldbus).
Figure 3-2 Function block diagram SITRANS TH400

Description
3.6 System communication
SITRANS TH400
12 Operating Instructions, 03/2014, A5E01018688-03
3.6
System communication
Figure 3-3 Communications interface

SITRANS TH400
Operating Instructions, 03/2014, A5E01018688-03 13
Mounting
4
4.1
Safety Notes
WARNING
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.
WARNING
Exceeded maximum ambient or process media temperature
Danger of explosion in hazardous areas.
Device damage.
•Make sure that the maximum permissible ambient and process media temperatures of
the device are not exceeded. Refer to the information in Chapter "Auto-Hotspot".
WARNING
Open cable inlet or incorrect cable gland
Danger of explosion in hazardous areas.
•Close the cable inlets for the electrical connections. Only use cable glands or plugs
which are approved for the relevant type of protection.
WARNING
Incorrect conduit system
Danger of explosion in hazardous areas as result of open cable inlet or incorrect conduit
system.
•In the case of a conduit system, mount a spark barrier at a defined distance from the
device input. Observe national regulations and the requirements stated in the relevant
approvals.

Mounting
4.2 Installation in the connection head
SITRANS TH400
14 Operating Instructions, 03/2014, A5E01018688-03
4.2
Installation in the connection head
Note
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
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

Mounting
4.3 Installation on DIN rail and G rail
SITRANS TH400
Operating Instructions, 03/2014, A5E01018688-03 15
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

Mounting
4.3 Installation on DIN rail and G rail
SITRANS TH400
16 Operating Instructions, 03/2014, A5E01018688-03

SITRANS TH400
Operating Instructions, 03/2014, A5E01018688-03 17
Connecting
5
5.1
Safety Notes
Note
National regulations
Be sure to observe the regulations valid and relevant in your country.
Note
To improve the interference immunity:
•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 shielded cable to guarantee the full specification according to PROFIBUS PA or
FOUNDATION Fieldbus.
•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.
See also
Connection diagrams (Page 24)
WARNING
Unsuitable cables and/or cable glands
Danger of explosion in hazardous areas.
•Only use suitable cables and cable glands complying with the requirements specified in
Chapter "Technical data".
•Tighten the cable glands in accordance with the torques specified in Chapter "Technical
data".
•When replacing cable glands use only cable glands of the same type.
•After installation check that the cables are seated firmly.

Connecting
5.1 Safety Notes
SITRANS TH400
18 Operating Instructions, 03/2014, A5E01018688-03
WARNING
Dangerous contact voltage
Danger of electric shock in case of incorrect connection.
•For the electrical connection specifications, refer to the information in Chapter "Auto-
Hotspot".
•At the mounting location of the device observe the applicable directives and laws for
installation of electrical power installations with rated voltages below 1000 V.
NOTICE
Ambient temperature too high
Damage to cable sheath.
•At an ambient temperature ≥60 °C (140 °F), use heat-resistant cables suitable for an
ambient temperature at least 20 °C (68 °F) higher.
WARNING
Improper power supply
Danger of explosion in hazardous areas as result of incorrect power supply, e.g. using
direct current instead of alternating current.
•Connect the device in accordance with the specified power supply and signal circuits.
The relevant specifications can be found in the certificates, in Chapter "Auto-Hotspot" or
on the nameplate.
WARNING
Improper laying of shielded cables
Danger of explosion through compensating currents between hazardous area and the non-
hazardous area.
•Only ground shielded cables that run into the hazardous area at one end.
•If grounding is required at both ends, use an equipotential bonding conductor.

Connecting
5.1 Safety Notes
SITRANS TH400
Operating Instructions, 03/2014, A5E01018688-03 19
WARNING
Connecting device in energized state
Danger of explosion in hazardous areas.
•Connect devices in hazardous areas only in a de-energized state.
Exceptions
:
•Circuits of limited energy may also be connected in the energized state in hazardous
areas.
•Exceptions for type of protection "Non-sparking nA" (Zone 2) are regulated in the
relevant certificate
WARNING
Incorrect selection of type of protection
Danger of explosion in areas subject to explosion hazard.
This device is approved for several types of protection.
1. Decide in favor of one type of protection.
2. Connect the device in accordance with the selected type of protection.
3. In order to avoid incorrect use at a later point, make the types of protection that are not
used permanently unrecognizable on the nameplate.
Note
Improvement of interference immunity
•Lay signal cables separate from cables with voltages > 60 V.
•Use cables with twisted wires.
•Keep device and cables in distance to strong electromagnetic fields.
•Use shielded cables to guarantee the full specification according to HART.
•Refer to HART communication information in Chapter "Auto-Hotspot".
WARNING
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.

Connecting
5.1 Safety Notes
SITRANS TH400
20 Operating Instructions, 03/2014, A5E01018688-03
WARNING
Risk of explosion when using unsuitable HART device
Only intrinsically safe HART modems or HART communicators are allowed to be operated
in the intrinsically safe area or on intrinsically safe circuits.
Note
Electrical data and Tamb
Electrical data and Tamb are dependent on Ex-protection class, see Certificates
(http://www.siemens.com/processinstrumentation/certificates)
5.1.1
Safety notes for connecting in hazardous TH400
The input circuit is thus electrically isolated from the sensor circuit. The isolation does not
satisfy the requirements for infallible electrical isolation in the sense of the intrinsic safety
standard EN / IEC 60079-11, but does withstand a test voltage of 500 V AC/1 minute.
Zone 0 in type of protection "ia" - intrinsic safety
●Only connect the transmitter, in accordance with the certificate of compliance, to devices
certified as intrinsically-safe.
●If the connection head is made of aluminum, the requirements of EN 60079-26, section
4.3.3, must be observed for uses where the device category 1 G is required.
●The transmitter must be mounted in an enclosure in order to provide a degree of
protection of at least IP20 according to EN60529
Table 5- 1 For Ta≤85 °C (T4); Ta≤70 °C (T5); Ta≤60 °C (T6)
Maximum values of the auxiliary power supply and signal circuits:
Ui= 30 V DC Ii= 120 mA Pi= 840 mW
Li= 1 μH Ci= 2 nF
Table 5- 2 For Ta≤75 °C (T4); Ta≤65 °C (T5); Ta≤45 °C (T6)
Maximum values of the auxiliary power supply and signal circuits:
Ui= 30 V DC Ii= 300 mA Pi= 1300 mW
Li= 1 μH Ci= 2 nF