User Manual

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Siemens TX-I/O Engineering and installation guide CM110562en_13
Building Technologies Principles of electrical design 2019-05-15
10.12 Analog inputs
10.12.1 Passive resistance sensors and resistance transmitters
(2-wire connection)
The temperature sensors register the temperature by means of a nickel or platinum
wire or a semiconductor which change their resistance in relation to the temperature.
Key:
R Sensor signal (resistance)
T Actual temperature
The table below shows the resistance of the supported sensor elements as a function
of the temperature.
Temp
AI Ni1000
AI Pt1K375
AI Pt1K385
AI Pt100
AI T1
AI NTC10K
AI NTC100K
TCR 5000
(LG-Ni 1000)
TCR 3750
(USA)
TCR 3850
(Europa)
TCR
3850/10
(PTC)
Beta 3890
Ratio 9.065
Beta 3891
Ratio 9.062
EN60751
°C
ohm
Ohm
Ohm
Ohm
Ohm 2)
kOhm
kOhm
-50
790.9
807.9
803.1
80.3
1 747.7
-40
830.8
846.6
842.7
84.3
1 840.4
336.487
3'386.091
-30
871.7
885.1
882.2
88.2
1 934.6
176.974
1'773.139
-20
913.5
923.5
921.6
92.2
2 030.3
97.080
970.613
-10
956.2
961.8
960.9
96.1
2 127.6
55.332
552.830
0
1 000.0
1'000.0
1'000.0
100.0
2 226.4
32.650
326.329
10
1 044.8
1'038.0
1'039.0
103.9
2 326.9
19.904
198.958
20
1 090.7
1'076.0
1'077.9
107.8
2 429.1
12.494
124.920
30
1 137.6
1'113.8
1'116.7
111.7
2 532.9
8.057
80.567
40
1 185.7
1'151.4
1'155.4
115.5
2 638.5
5.326
53.256
50
1 235.0
1'189.0
1'194.0
119.4
2 745.9
3.602
36.010
60
1 285.4
1'226.4
1'232.4
123.2
2 855.1
2.488
24.864
70
1 337.1
1'263.8
1'270.8
127.1
2 966.2
1.752
17.505
80
1 390.1
1'301.0
1'309.0
130.9
3 079.3
1.256
12.549
90
1 444.4
1'338.0
1'347.1
134.7
3 194.4
0.916
9.149
100
1 500.0
1'375.0
1'385.1
138.5
3 311.4
0.679
6.777
110
1 557.0
1'411.8
1'422.9
142.3
3 430.6
0.510
5.095
120
1 615.4
1'448.6
1'460.7
146.1
3 552.0
3.884
130
1 675.2
1'485.2
1'498.3
149.8
3 675.5
140
1 736.5
1'521.6
1'535.8
153.6
3 801.4
150
1 799.3
1'558.0
1'573.3
157.3
3 929.5
160
1) 1'863.6
1'594.2
1'610.5
161.1
170
1) 1'929.5
1'630.3
1'647.7
164.8
180
1) 1'997.0
1'666.3
1'684.8
168.5
200
1'758.6
175.9
250
1'941.0
194.1
300
2'120.5
212.1
350
2'297.2
229.7
400
2'470.9
247.1
450
2'641.8
264.2
500
2'809.8
281.0
550
2'974.9
297.5
600
3'137.1
313.7
1) Ni1K only
2) Not measurable with ohm meter
Temperature supported only with reduced hum injection (details see page 113)
Measured value
acquisition and
measured signal
Resistance table