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TTH200 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH200-EN REV. B
... 8 Electrical connections
Electrical data for inputs and outputs
Input - resistance thermometer / resistances
Resistance thermometer
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Pt100 in accordance with IEC 60751, JIS C1604, MIL-T-24388
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Ni in accordance with DIN 43760
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Cu in accordance with recommendation OIML R 84
Resistance measurement
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0 to 500 Ω
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0 to 5000 Ω
Sensor connection type
Two-, three-, four-wire circuit
Connection lead
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Maximum sensor line resistance
per line 50 Ω in accordance with NE 89
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Three-wire circuit:
Symmetrical sensor line resistances
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Two-wire circuit:
Compensation up to 100 Ω total lead resistance
Measurement current
< 300 μA
Sensor short circuit
< 5 Ω (for resistance thermometer)
Sensor wire break
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Measuring range: 0 to 500 Ω > 0.6 to 10 kΩ
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Measuring range: 0 to 5 Ω > 5.3 to 10 kΩ
Corrosion detection in accordance with NE 89
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Three-wire resistance measurement > 50 Ω
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Four-wire resistance measurement > 50 Ω
Sensor error signaling
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Resistance thermometer:
Sensor short circuit and sensor wire break
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Linear resistance measurement:
Sensor wire break
Input - thermocouples / voltages
Types
B, E, J, K, N, R, S, T in accordance with IEC 60584
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U, L in accordance with DIN 43710
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C, D in accordance with ASTM E-988
Voltages
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−125 to 125 mV
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−125 to 1100 mV
Connection lead
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Maximum sensor line resistance:
per line 1.5 kΩ, total 3 kΩ
Sensor wire break monitoring in accordance with NE 89
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Pulsed with 1 µA outside measurement interval
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Thermocouple measurement 5.3 to 10 kΩ
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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
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Thermocouple:
Sensor wire break
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Linear voltage measurement:
Sensor wire break