Motor components and options
4.1 Motor components
1FW6 High Speed built-in torque motors
Configuration Manual, 01/2020, 6SN1197-0AE03-0BP3
73
Temp-S
All motors are equipped with the following temperature monitoring circuit to protect the motor
winding against thermal overload:
●
1 x PTC 130 °C temperature sensor per phase winding U, V and W, i.e. response
threshold at 130 °C
The three PTC temperature sensors of this temperature monitoring circuit are connected in
series to create a PTC triplet.
Figure 4-3
PTC triplet
●
1 x PTC 130 °C temperature sensor per phase winding U, V, and W, switching threshold
at 130 °C in each winding section for motors with double power connection
The two triple PTC thermistor temperature sensors of the two winding sections of this
temperature monitoring circuit are connected in series.
①
Winding section 1
②
Winding section 2
Figure 4-4
Triple PTC thermistors of the two winding sections connected in series
Every phase winding is monitored so that also uneven currents – and therefore the
associated different thermal loads of the individual phase windings – are detected. For the
following motion and/or operating states, the individual phase windings have different
thermal loads, while the motor simultaneously outputs a torque:
●
At standstill (holding)
●
When rotating very slowly
●
Oscillation through a very small angle
Summary of Contents for 1FW6092-2PC15-6AB3
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