TTF200 FIELD-MOUNT TEMPERATURE TRANSMITTER | OI/TTF200-EN REV. A 21
6.3.8 Electrical data for inputs and outputs
Input - resistance thermometer / resistances
Resistance thermometer
— Pt100 according to IEC 60751, JIS C1604, MIL-T-24388
— Ni according to DIN 43760
— Cu according to recommendation OIML R 84
Resistance measurement
— 0 … 500 Ω
— 0 … 5000 Ω
Sensor connection type
— Two-, Three-, Four wire-circuits
Connection lead
— Maximum sensor line resistance:
of 50 Ω per line in accordance with NE 89
— Three-wire circuit:
Symmetrical sensor line resistances
— Two-wire circuit:
Compensation up to 100 Ω total lead resistance
Measurement current < 300 μA
Sensor short circuit < 5 Ω (for resistance thermometers)
Sensor wire break
— Measuring range: 0 ... 500 Ω > 0.6 ... 10 kΩ
— Measuring range: 0 ... 5 kΩ > 5.3 ... 10 kΩ
Corrosion detection in accordance with NE 89
— Three-wire resistance measurement > 50 Ω
— Four-wire resistance measurement > 50 Ω
Sensor error signaling
— Resistance thermometer: Sensor short circuit and
sensor wire breakage
— Linear resistance measurement: Sensor wire break
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 ... 125 mV
— -125 ... 1100 mV
Supply line
— Maximum sensor line resistance
1.5 kΩ per wire, 3 kΩ in total
Sensor wire break monitoring in accordance with NE 89
— Pulsed with 1 µA outside measurement interval
— Thermocouple measurement 5.3 ... 10 kΩ
— Voltage measurement 5.3 ... 10 kΩ
Input resistance > 10 MΩ
Internal reference junction Pt1000, IEC 60751 Cl. B
(no additional jumpers necessary)
Sensor error signaling
— Thermocouple: wire break
— Linear voltage measurement: wire break
Output
Transmission behavior
— Temperature linear
— Resistance linear
— Voltage linear
Output signal
— Configurable 4 ... 20 mA (standard)
— Configurable 20 ... 4 mA
(Dynamic range: 3.8 ... 20.5 mA in accordance with NE 43)
Simulation mode 3.5 ... 23.6 mA
Induced current consumption < 3.5 mA
Maximum output current 23.6 mA
Configurable error current signal
— Overrange 22 mA (20.0 … 23.6 mA)
— Underrange 3.6 mA (3.5 … 4.0 mA)
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