Endress+Hauser iTEMP TMT162 - Output Signal and Failure Information

iTEMP TMT162 Technische Daten
Endress+Hauser 47
Thermocouples as
per standard
Description Measuring range limits Min. span
DIN 43710
Type L (Fe-CuNi) (41)
Type U (Cu-CuNi) (42)
–200 to +900 °C (–328 to +1 652 °F)
–200 to +600 °C
(–328 to +1 112 °F)
–150 to +900 °C (–238 to +1 652 °F)
–150 to +600 °C (–238 to +1 112 °F)
50 K (90 °F)
GOST
R8.8585-2001
Type L (NiCr-CuNi) (43) –200 to +800 °C (–328 to +1 472 °F) –200 to +800 °C (+328 to +1 472 °F) 50 K (90 °F)
• Internal cold junction (Pt100)
• External cold junction: configurable value –40 to +85 °C (–40 to +185 °F)
• Maximum sensor wire resistance 10 kΩ (If the sensor wire resistance is greater than 10 kΩ, an error message is output in
accordance with NAMUR NE89.)
Voltage
transmitter (mV)
Millivolt transmitter (mV) –20 to 100 mV 5 mV
Type of input The following connection combinations are possible when both sensor inputs are assigned:
Sensor input 1
Sensor input 2
RTD or
resistance
transmitter,
2-wire
RTD or
resistance
transmitter,
3-wire
RTD or
resistance
transmitter,
4-wire
Thermocouple
(TC), voltage
transmitter
RTD or resistance
transmitter, 2-wire
  - 
RTD or resistance
transmitter, 3-wire
  - 
RTD or resistance
transmitter, 4-wire
- - - -
Thermocouple (TC),
voltage transmitter
   
13.2 Output
Output signal
Analog output 4 to 20 mA, 20 to 4 mA (can be inverted)
Signal encoding FSK ±0.5 mA via current signal
Data transmission rate 1200 baud
Galvanic isolation U = 2 kV AC, 1 min. (input/output)
Failure information Failure information as per NAMUR NE43:
Failure information is created if the measuring information is missing or not valid. A
complete list of all the errors occurring in the measuring system is created.
Underranging Linear drop from 4.0 to 3.8 mA
Overranging Linear increase from 20.0 to 20.5 mA
Failure e.g. sensor failure; sensor short-circuit ≤ 3.6 mA ("low") or ≥ 21 mA ("high"), can be selected
The "high" alarm setting can be set between 21.5 mA and
23 mA, thus providing the flexibility needed to meet the
requirements of various control systems.