Temp
°C
Platinum TCR 0.00385 Nickel TCR 0.00618 Copper TCR
0.00427
Pt 100 Pt 250 Ni 100 Ni 120 Ni 250 Cu 10
80 130.89 327.225 148.3 177.96 370.75 12.124
90 134.7 336.75 154.9 185.88 387.25 -
100 138.5 346.25 161.8 194.16 404.5 12.897
120 146.06 365.15 176 211.2 440 13.669
140 153.58 383.95 190.9 229.08 477.25 14.442
150 - - 198.6 238.32 496.5 -
160 161.04 402.6 206.6 247.92 516.5 15.217
180 168.46 421.15 223.2 267.84 558 -
200 175.84 439.6 240.7 288.84 601.75 -
3.12.2.10 RTD/mA input connection
RTD inputs can be used with a 2-wire or 3-wire connection with common ground.
When using the 3-wire connection, it is important that all three wires connecting the
sensor are symmetrical, that is, the wires are of the same type and length. Thus the wire
resistance is automatically compensated.
GUID-BC4182F7-F701-4E09-AB3D-EFB48280F097 V1 EN
Figure 36: Three RTD/resistance sensors connected according to the 3-wire
connection
1MRS758755 A Section 3
Basic functions
REC615 and RER615 93
Technical Manual