sitrans tk/tk-h

Operating Instructions Edition 05/2003
sitrans tk/tk-h
Messumformer für Temperatur
Transmitters for temperature
7NG312*-1JN01, 7NG312*-2JN01

Operating instructions
7NG312*--1JN01, 7NG312*--2JN01
Contents
1 Technical Description ..................................... 24
1.1 Area of Application ......................................... 24
1.2 Product feature ............................................ 24
1.3 Operating principle ......................................... 24
1.4 Technical data ............................................. 25
1.5 Ordering data .............................................. 29
1.6 Dimensions ............................................... 29
2 Installation ............................................... 30
2.1 Installation in the terminal housing ............................ 30
2.2 Electrical connection ........................................ 30
3 Commissioning ........................................... 35
3.1 Functions ................................................. 35
3.2 Output current in the event of a fault .......................... 35
3.3 Open-circuit monitoring ..................................... 35
3.4 Current sensor function in the case of SITRANS TK-H .......... 35
3.5 Line compensation ......................................... 35
4 Operation ................................................ 37
4.1 Operation with a PC/Laptop ................................. 37
4.1.1 Operation with a PC/laptop when using SITRANS TK ...................... 37
4.1.2 Operation with a PC/laptop when using SITRANS TK-H .................... 37
4.2 Operation with a hand-held communicator ..................... 37
5 Maintenance .............................................. 38
6 Certificates ............................................... 39
6.1 EC Declaration of conformity ................................ 39
6.2 EC Type Examination Certificate ............................. 41
SITRANS TK/TK-H
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7NG312*--1JN01, 7NG312*--2JN01
Operating instruction
Classification of Safety Related Notices
This manual contains notices which you should observe to ensure your own personal safety, as well
as to protect the product and connected equipment. These notices are highlighted in the manual by a
warning triangle and are marked as follows according to the level of danger:
! DANGER
indicates an immenently hazardous situation which, if not avoided, will result in death or serious
inury.
! WARNING
indicates a potentially hazardous situation which, if not avoided, could result in death or serious
injury.
! CAUTION
used with the safety alert symbol indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury.
CAUTION
used without the safety alert symbol indicates a potentially hazardous situation which, if not
avoided, may result in property damage.
NOTICE
indicates a potential situation which, if not avoided, may result in an undesirable result or
state.
. NOTE
highlights important information on the product, using the product, or part of the documentation
that is of particular importance and that will be of benefit to the user.
22
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A5E00226012--01

Operating instructions
7NG312*--1JN01, 7NG312*--2JN01
. NOTE
These instructions do not purport to cover all details or variations in equipment, nor to provide
for every possible contingency that may arise during installation, operation or maintenance.
Should further information be desired or should particular problems arise that are not covered
sufficiently for the Purchaser’s purposes, the matter should be referred to the local Siemens
Sales Office.
The contents of this instruction manual shall not become part of or modify any prior or existing
agreement, commitment or relationship. The Sales Contract contains the entire obligations
of Siemens. The warranty contained in the contract between the parties is the sole
warranty of Siemens. Any statements contained herein do not create new warranties or modify
the existing warranty.
! WARNING
This equipment should only be installed and operated after qualified personnel have ensured
that suitable power supplies are available. These personnel must ensure that the equipment
is not subjected to any hazardous voltages during normal operation or when a defect
occurs in the system.
The successful and safe operation of this equipment is dependent upon its proper handling,
installation, operation and maintenance.
Qualified person
For the purposes of this manual, a qualified person is one who is familiar with the installation, commissioning
and operation of this equipment. In addition, the person must be:
. Trained and authorised to operate and service equipment/systems in accordance with established
safety practices relating to electrical circuits, high pressures and aggressive media.
. Trained in the proper care and use of protective equipment in accordance with established safety
practices.
. In the case of explosion-protected devices: trained or instructed or authorised to perform work
on electrical circuits for explosion-protected systems.
. Trained in rendering first aid.
. NOTE
The general regulations for system operating must be observed for operation and maintenance
of the transmitter.
The contents reflect the technical state at the time of going to print. Subject to technical
modifications in the course of further development.
Excluded Liability
The user is responsible for all changes made on the device, provided that these are not explicitly mentioned
in the instruction manual.
SITRANS TK/TK-H
A5E00226012--01 23

7NG312*--1JN01, 7NG312*--2JN01
Operating instruction
1 Technical Description
1.1 Area of Application
The SITRANS TK transmitter can be used in all branches of industry. Thanks to its compact size, it can be installed
in the type B or larger terminal housing (DIN 43729). Thanks to ist universal input stage, the following sensors/signal
sources can be connected:
D Resistance thermometers
D Thermocouples
D Resistance-based sensors/potentiometers
D DC voltage sources
The output signal is an impressed direct current from 4 to 20 mA that corresponds to the sensor characteristic.
Transmitters belonging to the ”type of protection: Non incendive” type can be installed in explosion
hazard areas (Zone 2). Transmitters of type ”intrinsically safe type of protection” can be installed in
explosion hazard areas (zone 1). The conformity certificates correspond to the European standard
(CENELEC).
1.2 Product feature
D Two-wire transmitter
D Can be installed in a terminal housing type B or larger (DIN 43729)
D Capable of communication (HART protocol V 5.7 in the case of TK-H, proprietary protocol in the
case of TK); the sensor, the measurement range and many other parameters are therefore programmable.
D Electrical isolation (500 V AC)
D Intrinsically safe type for use in hazardous areas
D Two additional taps for multimeter connection allow measurement of the current signal without interrupting
the loop.
1.3 Operating principle
The measured signal supplied by a resistance-based sensor (2, 3 or 4-wire connection) or by a thermocouple
is amplified in the input stage. The voltage, which is proportional to the input quantity, is
then converted to digital signals in an analog/digital converter ¡. Via electrical isolation ©, these signals
are forwarded to the microprocessor. In the microprocessor ¢ they are converted in accordance
with the sensor characteristic and further parameters (measuring range, attenuation and ambient temperature
etc.).
The signal prepared in this way is converted in a digital/analog converter £ to an impressed direct
current of 4 to 20 mA. The auxiliary power source is located in the output signal circuit.
24
SITRANS TK/TK-H
A5E00226012--01

Operating instructions
7NG312*--1JN01, 7NG312*--2JN01
Sensor
TC
RTD
SITRANS TK-H
¡
© ¢ £
I
#
#
I
Auxiliary power
¤
Load
¥
¦
HART
modem
¡ Analog/digital converter
© Electrical isolation
¢ Microcontroller
£ Digital/analog converter
¤ Auxiliary power source
¥ PC/Laptop
¦ Interface (HART modem) for SIMA-
TIC PDM
Figure 1 Block diagram: operating principle of the SITRANS TK-H
The transmitter is parameterised and operated with a PC ¥ that is connected to the two-wire line via
the interface ¦. A hand-held communicator can also be used for this purpose. The signals needed for
communication in conformity with the HART ® protocol V 5.7 are superimposed on the output current
in accordance with the frequency shift keying (FSK) method.
The data specific to the transmitter and the parameterisation data is stored in a non-volatile memory
(EEPROM).
1.4 Technical data
Input
Resistance thermometer
Sensor type Pt25 to Pt1000 (DIN IEC 751)
Pt25 to Pt1000 (JIS C 1604;
α=0.00392 K -1 )
Ni25 to Ni1000 (IEC 751)
Cu25 to Cu1000
Type of input connection Normal or averaging connection
Normal connection
1 resistance thermometer in 2, 3 or 4-wire connection
Averaging connection Series or parallel connection of several 2-wire resistance thermometers
for temperature or for adaption of other sensor types
Connection
Two-wire connection
Line resistance parameterisable ≤60 Ω
Three-wire connection No adjustment necessary
Four-wire connection No adjustment necessary
Sensor current
≤0.2 mA
Measuring range Parameterisable, see table, page 27
Measuring span
Minimum 10°C (18°F)
Characteristic
Temperature-linear
Resistance-based sensor
1 resistance-based sensor in 2, 3 or 4-wire connection
SITRANS TK/TK-H
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7NG312*--1JN01, 7NG312*--2JN01
Operating instruction
Connection
Two-wire connection
Line resistance parameterisable ≤60 Ω
Three-wire connection No adjustment necessary
Four-wire connection No adjustment necessary
Sensor current
≤0.2 mA
Measuring range Parameterisable 0 to 390 Ω (Ohm Lo)
0 to 2200 Ω (Ohm Hi)
Measuring span Minimum 5 Ω (Ohm Lo)
minimum 25 Ω (Ohm Hi)
Characteristic
Resistance linear or programmable (TK)
Thermocouples
Thermocouples Type L : Fe-CuNi DIN 43710
Type J : Fe-CuNi DIN IEC 584
Type K : NiCr-Ni DIN IEC 584
Type E : NiCr-CuNi DIN IEC 584
Type N : NiCrSi-NiSi BS4937 Part2
Type T : Cu-CuNi DIN IEC 584
Type U : Cu-CuNi DIN 43710
Type S: Pt10Rh-Pt DIN IEC 584
Type B: Pt30Rh-Pt6RhDIN IEC 584
Type R: Pt13Rh-Pt DIN IEC 584
Type C : W5-Re ASTM 988
Type D : W3-Re ASTM 988
Type of input connection Normal connection with 1 thermocouple
Cold junction compensation Internal: with integrated resistance thermometer
External: with external resistance thermometer
External fixed: cold junction temperature adjustable as a fixed
value
Measuring range Parameterisable (see table, page 28)
Measuring span Min. 50 to 100 °C (90 to 180 °F) (see table, page 28)
Characteristic
Temperature-linear
mV sensor
Measuring range --10 to 70 mV (Volt Lo)
--100 to 1100 mV(Volt Hi)
Minimum measuring span 2 mV (Volt Lo)
20 mV (Volt Hi)
Overload capac. of the input --0.5 to 35 V DC
Characteristic
Voltage-linear or programmed (TK)
Input resistance
≥1 MΩ
Output
Output signal
Output range
Failure signal (e.g. in the event
of sensor breakage)
Load of SITRANS TK
Load of SITRANS TK-H
Sampling cycle
Attenuation
Two-wire, 4 to 20 mA
In the case of SITRANS TK-H, additionally with communication
in conformity with HART 5.7
3.5 to 23 mA
3.5to23mA
R L ≤(U H -6.5 V)/23 V [kΩ]
R L ≤(U H -8 V)/23 V [kΩ]
0.5 s nominal
1.0 s in the case of Ohm Hi and Volt Hi
Software filter of the 1st order
0to30sinthecaseofSITRANSTK
0to15sinthecaseofSITRANSTK-H
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A5E00226012--01

Operating instructions
7NG312*--1JN01, 7NG312*--2JN01
Electrical isolation
The input and output are electrically isolated
Auxiliary power
Maximum DC 35 V
Test voltage
U rms =3.75kV rms ,50Hz,1min
Insulation
500 V ac
Auxiliary power in the case of DC6.5to35V(28VatEExiaversion)
SITRANS TK
Auxiliary power in the case of DC8to35V(28VatEExiaversion)
SITRANS TK-H
Ambient conditions
Ambient temperature range --40 to +85 °C (--40 to +185 °F)
Storage temperature range --40 to +85 °C (--40 to +185 °F)
Relative humidity
≤98 %, with condensation
Measuring accuracy
Reference conditions
Auxiliary power 24 V 1 %
Load
500 Ω
Ambient temperature 23 °C (73.4 °F)
Warm up time
>5 min
Error of measurement
Digital measuring error See table, page 27
Analog output error

7NG312*--1JN01, 7NG312*--2JN01
Operating instruction
Sensor types/accuracy
Resistance thermometers
Input
Measuring
range °C (°F)
Pt25 to Pt500 -200 to 850
(-328 to 1562)
Pt501 to Pt1000 -200 to 350
(-328 to 662)
Ni25 toNi1000
-50to250
(-58 to 482)
Cu25 to Cu1000
-50to200
(-58 to 392)
Minimum
Measuring span °C (°F)
Digital
Accuracy °C (°F)
10 (18) 0.1
(0.18)
10 (18) 0.1
(0.18)
10 (18) 0.1
(0.18)
10 (18) 0.1
(0.18)
Resistance-based sensor
Input
Measuring
range Ω
Minimum
Measuring span Ω
Digital
Accuracy Ω
Resistance 0to390 5 0.05
Resistance 0 to 2200 25 0.25
Thermocouples
Input
Measuring
range °C (°F)
Minimum
Measuring span °C (°F)
Digital
Accuracy °C (°F)
Type B 500 to 1820 (932 to 3308) 50 (90) 2 (3.6)
Type C (W5) 0 to 2300 (32 to 4172) 100 (180) 2 (3.6)
Type D (W3) 0 to 2300 (32 to 4172) 100 (180) 2 (3.6)
Type E -250 to 900 (-418 to 1652) 50 (90) 1 (1.8)
Type J -210 to 1200 (-346 to 2192) 50 (90) 1 (1.8)
Type K -230 to 1370 (-382 to 2498) 50 (90) 1 (1.8)
Type L -200 to 900 (-328 to 1652) 50 (90) 1 (1.8)
Type N -200 to 1300 (-328 to 2372) 50 (90) 1 (1.8)
Type R 0 to 1750 (32 to 3182) 100 (180) 2 (3.6)
Type S 0 to 1750 (32 to 3182) 100 (180) 2 (3.6)
Type T -220 to 400 (-364 to 752) 40 (72) 1 (1.8)
Type U -200 to 600 (-328 to 1112) 50 (90) 1 (1.8)
Voltage sensor
Input Measuring range mV Minimum
Measuring span mV
Digital
Accuracy μV
Millivolt sensor -10to70 2 40
Millivolt sensor -100 to 1100 20 400
The digital accuracy is the accuracy after A/D conversion including linearisation and conversion.
The 4 to 20 mA output, an additional error amounting to

Operating instructions
7NG312*--1JN01, 7NG312*--2JN01
1.5 Ordering data
Description
SITRANS TK temperature transmitter
for installation in the terminal housing Type B (DIN 43729),
two-wire connection 4 to 20 mA, programmable, with electrical isolation
Not explosion proof
With intrinsically safe type of explosion protection Non incendive ”n”
With intrinsically safe type of explosion protection ”i”
SITRANS TK-H temperature transmitter
for installation in the terminal housing Type B (DIN 43729),
two-wire connection 4 to 20 mA, capable of communication according
to HART ® V5.7, with electrical isolation
Not explosion proof
With intrinsically safe type of explosion protection Non incendive ”n”
With intrinsically safe type of explosion protection ”i”
Operating instructions SITRANS TK/TK-H
language: German/English
SIPROM TK parameterisation software for
SITRANS TK; language: German/English
Modem for SITRANS TK
Interface (HART modem) for SIMATIC PDM
Hand-held communicator
With rechargeable batt. charger for AC 230 V and carrying bag,
Type of protection: intrinsically safe EEx ia II C T4
Language: German
Language: English
Order number
7NG3120-1JN01
7NG3121-1JN01
7NG3122-1JN01
7NG3120-2JN01
7NG3121-2JN01
7NG3122-2JN01
A5E00226012
7NG3190-8KB
7NG3190-6KB
7MF4997-1DA
7MF4998-8KF
7MF4998-8KT
1.6 Dimensions
44 mm (1.73 in)
1 2
3
6
4
5
33 mm (1.3 in)
26.3 mm (1.04 in)
Figure 2 Dimensions
SITRANS TK/TK-H
A5E00226012--01 29

7NG312*--1JN01, 7NG312*--2JN01
Operating instruction
2 Installation
2.1 Installation in the terminal housing
The SITRANS TK/TK-H transmitter must be installed in the housing. The housing’s type of protection and material
must be adapted to the respective requirements.
The environmental conditions specified in the technical data (Chapter 1.4, page 25) must be observed.
Springs and screws for securing the transmitter are included in the delivery. The SITRANS TK/TK-H can be secured
both in the base of the terminal housing and also in its raised cover.
T r a ns m it t er
Connection base
Figure 3 Securing the SITRANS TK/TK-H transmitter in the cover of the terminal housing
Transmitter
Figure 4 Securing the SITRANS TK/TK-H transmitter in the base of the terminal housing
! WARNING
When the unit is installed in a hazardous area (zone 2), the
housing must at least feature degree of protection IP 54 according
to IEC 529.
2.2 Electrical connection
! WARNING
The applicable national regulations must be observed during
electrical installation, in explosion hazard areas particularly
- the regulations governing electrical installations in explosion
hazard rooms (Elex V),
- the regulations for the erection of electrical installations in
explosion hazard areas (VDE 0165) and
- the conformity certification.
Check whether the available auxiliary power agrees with the
value stated on the rating plate.
30
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Operating instructions
7NG312*--1JN01, 7NG312*--2JN01
D For details of how to connect the sensor, see Figure 6, page 32 ”Sensor pin assignments”.
D Auxiliary power
Connect the wires of the auxiliary power supply to the ’’+’’ and ’’--’’ terminals, paying attention to the
polarity (the unit is protected against polarity reversal).
D Connecting cable
Max. cable cross-section 2.5 mm 2 (0.003875 in 2 ).
Lay signal cables separately from cables carrying voltages >60 V.
Use cables with twisted wires.
Avoid the proximity of large electrical installations or use shielded cables. The full specification accordingtoHART
® , Version 5.7 can only be met when using shielded cables.
! WARNING
The HART modem must not be used in explosion hazard areas
and must not be connected to intrinsically safe circuits.
1 2
+ --
1, 2 U H ,I A
3, 4, 5, 6 Sensor
3
6
4
5
Figure 5 Terminal assignments
SITRANS TK/TK-H
A5E00226012--01 31

7NG312*--1JN01, 7NG312*--2JN01
Operating instruction
Resistance
thermometers
Thermocouple
3
6
3
6
4
5
4
5
--
RTD
+
T/C
No line compensation 1) 6
Internal cold junction compensation
(CJC)
3
3
6
4
5
4
5
--
RTD
+
RTD
T/C
Three-wire line compensation
External CJC. No line compensation
1)
3
6
3
6
4
5
4
5
--
RTD
+
RTD
T/C
Four-wire line compensation
External CJC. Three-wire line
compensation
Note:
Line resistance (per wire in the case of 3 / 4 -wire connections)
T>600 °C (1112 °F):max.20Ω
T

Operating instructions
7NG312*--1JN01, 7NG312*--2JN01
Potentiometer
Resistance
3
4
5
R
No compensation 2)
6
3
6
4
5
R
No compensation 2)
3
6
3
6
4
5
4
5
R
R
Three-wire compensation for
transfer resistance 1)
Three-wire line compensation
3
6
3
6
4
5
4
5
R
R
Four-wire compensation for
line and transfer resistance 1)
Four-wire line compensation
1) Resistance between start of resistance and sliding contact.
2) Line resistance for compensation is programmable.
Figure 6
Sensor pin assignments (continued)
Current measurement
Voltage measurement
3
6
3
6
4
5
4
5
R
I
+ --
Figure 6
Sensor pin assignments (continued)
SITRANS TK/TK-H
A5E00226012--01 33

7NG312*--1JN01, 7NG312*--2JN01
Operating instruction
+
--
Transmitter
SITRANS TK-H
+
--
230 Ω Auxiliary power
HARTR
modem
PC/
Laptop
or
RS-232-C
Hand-held
Communicator
Figure 7 Connection to the hand-held communicator or a HART modem when using SITRANS TK-H
34
SITRANS TK/TK-H
A5E00226012--01

Operating instructions
7NG312*--1JN01, 7NG312*--2JN01
3 Commissioning
The transmitter’s parameters must be chosen to suit the requirements of the task in hand. Make sure that the parameters
and the data on the rating plate correspond.
Close the cover of the terminal housing after connecting the sensor and the auxiliary power supply. When the auxiliary
power is activated, the transmitter assumes operation after a start up time of around 3 seconds.
3.1 Functions
When using SITRANS-TK, the following functions can be executed via the SIPROM TK parameterisation software,
or, when using SITRANS TK-H, they can be executed via the SIMATIC PDM parameterisation software or the handheld
communicator (for a description, see Chapter 4.2 Operation with the hand-held communicator)
- Set the high output current limit
- Store the measuring point identification data
- Set the sensor type and the type of input connection
- Set the measuring range, the unit and the attenuation
- Set the output current in the event of a fault
- Open-circuit monitoring
- Current sensor function (SITRANS TK-H)
- Sensor trimming (SITRANS TK-H)
- Restore works calibration (SITRANS TK-H)
- Measure line resistance
3.2 Output current in the event of a fault
The sensor lines and the electronic circuitry of the transmitter are constantly monitored. In the event of a fault, the
output current is set to 3.6 or 23.0 mA. The respective value can be set.
3.3 Open-circuit monitoring
Open-circuit monitoring takes place during resistance measurement, resistance thermometer measurement and
thermocouple measurement, but not voltage measurement.
3.4 Current sensor function in the case of SITRANS TK-H
Independently of the applied temperature, a parameterisable output current between 4 and 20 mA can
be set to test the output circuit.
3.5 Line compensation
Line compensation is necessary for the following measurements:
SITRANS TK/TK-H
A5E00226012--01 35

7NG312*--1JN01, 7NG312*--2JN01
Operating instruction
- Two-wire resistance thermometers or resistance
- Two-wire thermocouple with external Pt100 reference point
Line compensation is set by numerically specifying the measured line resistance (sum of the foward
and return conductors)
36
SITRANS TK/TK-H
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Operating instructions
7NG312*--1JN01, 7NG312*--2JN01
4 Operation
4.1 Operation with a PC/Laptop
4.1.1 Operation with a PC/laptop when using SITRANS TK
When using the SIPROM TK parameterisation software and the modem for SITRANS TK, the transmitter
can be operated with a PC. To do this, simply connect the transmitter to the PC via the modem.
In doing so, the power needed for the transmitter is supplied through the PC’s serial interface. For further
details, please refer to the SIPROM TK instruction manual and, for details of the modem, refer to
the SITRANS TK instruction manual.
4.1.2 Operation with a PC/laptop when using SITRANS TK-H
When using the SIMATIC PDM parameterisation software and the interface for the transmitter can be
operated and parameterised with a PC. To do this, the interface must be connected to the output circuit.
To this end, the transmitter’s power supply must be in operation and the load in the circuit must
be at least 230 Ohm.
4.2 Operation with a hand-held communicator
Connect the hand-held communicator to the SITRANS TK-H (see Figure 7).
Action keys
With the key, you switch the hand-held communicator on and off. After switching on, the handheld
communicator automatically assumes communication with the transmitter. The online menu
appears in the display.
With the key, you move the cursor up through the menu bar. The selected line of the menu is
marked.
With the key, you move the cursor down through the menu bar. The selected line of the menu is
marked.
With the key, you move the cursor to the right through the menu bar or you branch to a subroutine.
The name of the selected subroutine is shown on the top edge of the display.
With the key, you move the cursor to the left through the menu bar or you exit a subroutine.
Function keys
The function keys F1 to F4 are located under the LCD display. The functions of the keys, which differ
from one menu to another, are shown on the bottom edge of the display.
Alphanumeric and shift keys
You can enter alphanumeric values by means of these keys. Whether a key functions as a number or
letter key depends on the respective menu. Letters are selected by pressing the affiliated shift key beforehand.
Please refer to the operation instructions of the HART communicator for all further information on operation
and for the technical data.
SITRANS TK/TK-H
A5E00226012--01 37

7NG312*--1JN01, 7NG312*--2JN01
Operating instruction
5 Maintenance
The transmitter requires no maintenance.
38
SITRANS TK/TK-H
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Operating instructions
7NG312*--1JN01, 7NG312*--2JN01
6 Certificates
6.1 EC Declaration of conformity
SITRANS TK/TK-H
A5E00226012--01 39

7NG312*--1JN01, 7NG312*--2JN01
Operating instruction
40
SITRANS TK/TK-H
A5E00226012--01

Operating instructions
7NG312*--1JN01, 7NG312*--2JN01
6.2 EC Type Examination Certificate
SITRANS TK/TK-H
A5E00226012--01 41

7NG312*--1JN01, 7NG312*--2JN01
Operating instruction
42
SITRANS TK/TK-H
A5E00226012--01

Operating instructions
7NG312*--1JN01, 7NG312*--2JN01
SITRANS TK/TK-H
A5E00226012--01 43

7NG312*--1JN01, 7NG312*--2JN01
Operating instruction
44
SITRANS TK/TK-H
A5E00226012--01

Operating instructions
7NG312*--1JN01, 7NG312*--2JN01
SITRANS TK/TK-H
A5E00226012--01 45

7NG312*--1JN01, 7NG312*--2JN01
Operating instruction
46
SITRANS TK/TK-H
A5E00226012--01

@1PA5E00226012@
1P
A5E00226012
Siemens AG
Bereich Automation and Drives
Geschäftsgebiet Process Instrumentation and Analytics
D-76181 Karlsruhe
wwwsiemenscom/fielddevices
A5E00226012-01