Rtd Temperature Vs. Resistance - ABB RELION 620 Series Technical Manual

Section 3
Basic functions
3.11.2.9
104
Table 47: Settings for RTD analog deadband supervision
Function
RTD analog input
Since the function can be utilized in various measurement modes, the
default values are set to the extremes; thus, it is very important to set
correct limit values to suit the application before the deadband supervision
works properly.

RTD temperature vs. resistance

Table 48: Temperature vs. resistance
Temp Platinum TCR 0.00385
°C
Pt 100
-40 84.27
-30 88.22
-20 92.16
-10 96.09
0 100
10 103.9
20 107.79
30 111.67
40 115.54
50 119.4
60 123.24
70 127.07
80 130.89
90 134.7
100 138.5
120 146.06
140 153.58
150 -
160 161.04
180 168.46
200 175.84
Setting
Value deadband
Nickel TCR 0.00618
Pt 250 Ni 100
210.675 79.1
220.55 84.1
230.4 89.3
240.225 94.6
250 100
259.75 105.6
269.475 111.2
279.175 117.1
288.85 123
298.5 129.1
308.1 135.3
317.675 141.7
327.225 148.3
336.75 154.9
346.25 161.8
365.15 176
383.95 190.9
- 198.6
402.6 206.6
421.15 223.2
439.6 240.7
1MAC504801-IB E
Maximum/minimum (=range)
Value maximum / Value minimum
(=20000)
Ni 120 Ni 250
94.92 197.75
100.92 210.25
107.16 223.25
113.52 236.5
120 250
126.72 264
133.44 278
140.52 292.75
147.6 307.5
154.92 322.75
162.36 338.25
170.04 354.25
177.96 370.75
185.88 387.25
194.16 404.5
211.2 440
229.08 477.25
238.32 496.5
247.92 516.5
267.84 558
288.84 601.75
620 series ANSI
Technical Manual
Copper TCR
0.00427
Cu 10
7.49
-
8.263
-
9.035
-
9.807
-
10.58
-
11.352
-
12.124
-
12.897
13.669
14.442
-
15.217
-
-