Siemens SITRANS T4200, Operating Instructions Manual

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Technical data
11.1 Technical data
SITRANS TH200/TH300
74
Operating Instructions, 06/2010, A5E00393069-03
Millivolt transmitter input point
Measured variable DC voltage
Sensor type DC voltage source (DC voltage source is possible via a
resistor that is connected externally)
Units of measurement mV
Measuring cycle ≤ 250 ms for 1 sensor with break monitoring
Break monitoring Can be switched off
Measuring range Setting range max. -100 ... 1100 mV
Min. measuring span 2 mV or 20 mV
Overload capacity of the input point -1.5 ... 3.5 V DC
Input resistance ≥ 1 MΩ
Characteristic curve Linear to voltage or special characteristic curve
Output
Output signal 4 ... 20 mA, two-wire line
With SITRANS TH300, additionally with communication
according to HART rev. 5.9
Auxiliary power supply 11 ... 35 V DC
(to 30 V with Ex ia and ib; to 32 V with Ex nA / nL / ic)
Max. load (U
aux
-11 V)/0.023 A
Overrange 3.6 mA ... 23 mA continuously adjustable
(default range: 3.80 mA to 20.50 mA)
Error signal (e.g. in case of sensor failure) 3.6 mA ... 23 mA continuously adjustable
(default value: 22.8 mA)
Setting time:

Dead time
< 360 ms
 T63 (without electrical attenuation,
without dead time)
< 260 ms
Attenuation Software filter 1st order 0 ... 30 s (can be set in the
parameters)
Protection Against reverse polarity
Galvanic isolation Input to output 1.5 kV DC (1.0 kV AC)