TTF200 FIELD-MOUNT TEMPERATURE TRANSMITTER | OI/TTF200-EN REV. B 23
Input - thermocouples / voltages
Types
• B, E, J, K, N, R, S, T in accordance with IEC 60584
• U, L in accordance with DIN 43710
• C, D in accordance with ASTM E-988
Voltages
• −125 to 125 mV
• −125 to 1100 mV
Connection lead
• Maximum sensor line resistance:
per line 1.5 kΩ, total 3 kΩ
Sensor wire break monitoring in accordance with NE 89
• Pulsed with 1 µA outside measurement interval
• Thermocouple measurement 5.3 to 10 kΩ
• Voltage measurement 5.3 to 10 kΩ
Input resistance
> 10 MΩ
Internal reference junction Pt1000, IEC 60751 Cl. B
(no additional jumpers necessary)
Sensor error signaling
• Thermocouple:
Sensor wire break
• Linear voltage measurement:
Sensor wire break
Output
Note
The HART protocol is not secure, as such the intended
application should be assessed to ensure that these protocols
are suitable before implementation.
Transmission characteristics
• Temperature linear
• Resistance linear
• Voltage linear
Output signal
• Configurable 4 to 20 mA (standard)
• Configurable 20 to 4 mA
(Dynamic range: 3.8 to 20.5 mA in accordance with NE 43)
Simulation mode
3.5 to 23.6 mA
Induced current consumption
< 3.5 mA
Maximum output current
23.6 mA
Configurable error current signal
• Overrange 22 mA (20.0 to 23.6 mA)
• Underrange 3.6 mA (3.5 to 4.0 mA)
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