Technical Data; Input; Resistance; Thermocouples/Voltages - ABB TTR200 Operating Instructions Manual

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12 Technical data

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12.1 Input

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12.1.1 Resistance

RTD resistance thermometer
Pt100 in acc. with DIN IEC 60751, JIS, MIL, Ni in acc. with
DIN 43760, Cu
(for additional information, see the section "Measuring accuracy")
Resistance measurement
0 ... 500 Ω
0 ... 5000 Ω
Sensor connections
2-, 3-, 4-wire circuit
Connecting cables
2-, 3-, 4-wire max. sensor line resistance (R
in acc. with NE 89 (March 2003);
(3-wire balanced, 2-wire circuit compensation up to 100 Ω sensor
total line resistance)
Measurement current
< 300 µA
Sensor short-circuit
< 5 Ω (for RTD)
Sensor wire break (temperature resistance measurement 2-, 3-,
4-wire)
Measuring range 0 ... 500 Ω
Measuring range 0 ... 5 kΩ
Corrosion detection in accordance with NAMUR NE 89
3-wire resistance reading > 50 Ω
4-wire resistance reading > 50 Ω

12.1.2 Thermocouples/Voltages

Types
B, E, J, K, L, N, R, S, T, U, C, D
Voltages
-125 ... 125 mV
-125 ... 1100 mV
Connecting cables
Max. sensor line resistance (R
Sensor wire break monitoring in accordance with Namur NE 89
pulsed with 1 µA outside the measurement interval
Thermocouple measurement
Voltage measurement
Input resistance
> 10 MΩ
Internal reference junction
Pt1000, DIN IEC 60751 Cl. B
(no jumpers necessary)
Sensor matching
via single point (offset adjustment)
via two point adjustment
Sensor fault signaling
RTD sensor:
Linear resistance measurement:
Thermocouple:
Linear voltage measurement:
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OI/TTR200-EN
) for each wire 50 Ω
W
> 0.6 ... 10 kΩ
> 5.3 ... 10 kΩ
) for each line 1.5 kΩ, total 3 kΩ
W
5.3 ... 10 kΩ
5.3 ... 10 kΩ
Short circuit and wire break
Wire break
Wire break
Wire break
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12.2 Output

Transmission characteristics
temperature linear
resistance linear
voltage linear
Output signal
Configurable 4 ... 20 mA (standard)
Configurable 20 ... 4 mA
(NE43 dynamic range: 3.8 ... 20.5 mA)
Simulation mode
3.5 ... 23.6 mA
Induced current consumption
< 3.5 mA
Maximum output current
23.6 mA
Configurable error current signal
override 22 mA (20.0 ... 23.6 mA)
underdrive 3.6 mA (3.5 ... 4.0 mA)
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TTR200
Technical data
33