Siemens SITRANS TK Bedienungsanleitung Seite 37

Instruction Manual
1.4 Technical data
Input
Resistance thermometer
Sensor type
Type of input connection
Normal connection
Averaging connection
Connection
Two-wire connection
Three-wire connection
Four-wire connection
Sensor current
Measuring range
Measuring span
Characteristic
Resistance-based sensor
Connection
Two-wire connection
Three-wire connection
Four-wire connection
Sensor current
Measuring range
Measuring span
Characteristic
SITRANS TK/TK-H
C79000-B7174-C12-07
7NG3120, 7NG3121, 7NG3122
Pt25 to Pt1000 (DIN IEC 751)
Pt25 to Pt1000 (JIS C 1604;
-1
α=0.00392 K )
Ni25 to Ni1000 (IEC 751)
Cu25 to Cu1000
Normal or averaging connection
1 resistance thermometer in 2, 3 or 4-wire
connection
Series or parallel connection of several 2-wire
resistance thermometers for temperature or
for adaption of other sensor types
Line resistance parameterisable ≤60 Ω
No adjustment necessary
No adjustment necessary
≤0.2 mA
Parameterisable, see table, page 40
Minimum 10°C (18°F)
Temperature-linear
1 resistance-based sensor in 2, 3 or 4-wire
connection
Line resistance parameterisable ≤60 Ω
No adjustment necessary
No adjustment necessary
≤0.2 mA
Parameterisable 0 to 390 Ω (Ohm Lo)
Minimum 5 Ω
minimum 25 Ω
Resistance linear or programmable (TK)
0 to 2200 Ω (Ohm Hi)
(Ohm Lo)
(Ohm Hi)
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