Technical data

9-8 Application Notes Rexroth IndraDyn T
DOK-MOTOR*-MBT********-PR03-EN-P
DRCRBRAT
KTY
2
KTY
3
KTYw
+⋅+⋅+⋅=
T
w
: Winding temperature of the motor in °C
R
KTY
: Resistance of the temperature sensor in Ohm
A: 3.039 ·10
-8
B: -1.44 ·10
-4
C: 0.358
D: -143.78
Fig. 9-10: Polynomial used for determining the temperature with a known
sensor resistance (KTY84)
DTCTBTAR
w
2
w
3
wKTY
+⋅+⋅+⋅=
T
w
: Winding temperature of the motor in °C
R
KTY
: Resistance of the temperature sensor in Ohms
A: 1.065 ·10
-6
B: 0.011
C: 3.93
D: 492.78
Fig. 9-11: Polynomial used for determining the sensor resistance (KTY84) with
a known temperature
Note: Note the correct polarity when using the sensor for
temperature measurement.
You can find further details on connecting the temperature sensors in
chapter 8, “Connection Techniques”.
Temperature depending on
resistance
Resistance depending on
temperature