Specifications

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Siemens FI 01 · 2015 US Edition
Temperature Measurement
Transmitters for rail mounting
SITRANS TR200 two-wire system, universal
2
Technical specifications
Input
Resistance thermometer
Measured variable Temperature
Sensor type
• to IEC 60751 Pt25 … 1000
• to JIS C 1604; a=0.00392 K
-1
Pt25 … 1000
• to IEC 60751 Ni25 … 1000
• Special type over special characteristic
(max. 30 points)
Sensor factor
0.25 ... 10 (adaptation of the basic
type, e.g. Pt100 to version Pt25 ...
1000)
Units
°C or °F
Connection
• Standard connection 1 resistance thermometer (RTD) in
2-wire, 3-wire or 4-wire system
• Generation of average value 2 resistance thermometers in
2-wire system for generation of
average temperature
• Generation of difference
2 resistance thermometers (RTD) in
2-wire system (RTD 1 – RTD 2 or
RTD 2 – RTD 1)
Interface
• Two-wire system Parameterizable line resistance
100 (loop resistance)
• Three-wire system No balancing required
• Four-wire system No balancing required
Sensor current 0.45 mA
Response time T
63
250 ms for 1 sensor with open-cir-
cuit monitoring
Open-circuit monitoring Always active (cannot be disabled)
Short-circuit monitoring can be switched on/off (default
value: ON)
Measuring range parameterizable (see table "Digital
measuring errors")
Min. measured span 10 °C (18 °F)
Characteristic curve Temperature-linear or special char-
acteristic
Resistance-based sensors
Measured variable Actual resistance
Sensor type Resistance-based, potentiometers
Units
Connection
• Normal connection 1 resistance-based sensor (R) in 2-
wire, 3-wire or 4-wire system
• Generation of average value
2 resistance-based sensors in
2-wire system for generation of
average value
• Generation of difference 2 resistance thermometers in
2-wire system
(R1 – R2 or R2 – R1)
Interface
• Two-wire system Parameterizable line resistance
100 (loop resistance)
• Three-wire system No balancing required
• Four-wire system No balancing required
Sensor current
0.45 mA
Response time T
63
250 ms for 1 sensor with open-cir-
cuit monitoring
Open-circuit monitoring
Always active (cannot be disabled)
Short-circuit monitoring can be switched on/off (default
value: OFF)
Measuring range parameterizable max. 0 ... 2200
(see table "Digital measuring
errors")
Min. measured span
5 ... 25 (see table "Digital measur-
ing errors")
Characteristic curve
Resistance-linear or special charac-
teristic
Thermocouples
Measured variable Temperature
Sensor type (thermocouples)
•Type B Pt30Rh-Pt6Rh to DIN IEC 584
•Type C
W5 %-Re acc. to ASTM 988
•Type D
W3 %-Re acc. to ASTM 988
•Type E
NiCr-CuNi to DIN IEC 584
•Type J Fe-CuNi to DIN IEC 584
•Type K NiCr-Ni to DIN IEC 584
•Type L Fe-CuNi to DIN 43710
•Type N NiCrSi-NiSi to DIN IEC 584
•Type R Pt13Rh-Pt to DIN IEC 584
•Type S Pt10Rh-Pt to DIN IEC 584
•Type T Cu-CuNi to DIN IEC 584
•Type U Cu-CuNi to DIN 43710
Units °C or °F
Connection
• Standard connection 1 thermocouple (TC)
• Generation of average value 2 thermocouples (TC)
• Generation of difference 2 thermocouples (TC)
(TC1 – TC2 or TC2 – TC1)
Response time T
63
250 ms for 1 sensor with open-cir-
cuit monitoring
Open-circuit monitoring
Can be switched off
Cold junction compensation
• Internal With integrated Pt100 resistance
thermometer
• External With external Pt100 IEC 60571
(2-wire or 3-wire connection)
• External fixed
Cold junction temperature can be
set as fixed value
Measuring range parameterizable (see table "Digital
measuring errors")
Min. measured span Min. 40 ... 100 °C (72 ... 180 °F) (see
table "Digital measuring errors")
Characteristic curve
Temperature-linear or special char-
acteristic
mV sensor
Measured variable DC voltage
Sensor type DC voltage source (DC voltage
source possible over an externally
connected resistor)
Units
mV
Response time T
63
250 ms for 1 sensor with open-cir-
cuit monitoring
Open-circuit monitoring
Can be switched off
Measuring range
parameterizable max. -
100 … 1100 mV
Min. measured span 2mV or 20mV
Overload capability of the input -1.5 ... +3.5 V DC
Input resistance
1 M
Characteristic curve Voltage-linear or special character-
istic
© Siemens AG 2015