KTY84 scaling
3000
2000
1000
0
Ohm
T
o
C
-100
0 100
200 300
90 °C = 936 ohm
110 °C = 1063 ohm
130 °C = 1197 ohm
150 °C = 1340 ohm
The warning and fault limits can be adjusted by parameters.
For the wiring of the sensor, refer to the Hardware Manual of the drive.
Motor fan control logic (parameters 35.100…35.106)
If the motor has an external cooling fan, it is possible to use a drive signal (for example,
running/stopped) to control the starter of the fan via a relay or digital output. A digital
input can be selected for fan feedback. A loss of the feedback signal will optionally cause
a warning or a fault.
Start and stop delays can be defined for the fan. In addition, a feedback delay can be
set to define the time within which feedback must be received after the fan starts.
Ex motor support (parameter 95.15, bit 0)
The control program has a temperature protection function for Ex motors located in a
potentially explosive atmosphere. The protection is enabled by setting bit 0 of parameter
95.15.
Settings and diagnostics
Parameter groups: 35 Motor thermal protection (page 353) and 91 Encoder module
settings (page 482).
Parameter: 95.15 Special HW settings (page 502).
Program features 93
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