2.3.3. Thermistor Input
The thermistor input is used to detect a motor over temperature condition by using a positive
temperature coefficient sensor. As the temperature of the sensor increases, so does the resistance.
Under normal operating conditions, the resistance of the thermistor is low which will result in a low
input signal. As the increasing temperature causes the resistance of the thermistor to increase, the
sensor will trigger an over temperature fault.
The thermistor is connected between Pin 2 and Signal Common. The nominal trip value of the sensor
is 1.385 kΩ. The circuit includes a 12 kΩ internal pull-up resistor which corresponds to a trip voltage
of +0.52 V.
Table 2-17:
Thermistor Input Pin on the Feedback Connector
Pin #
Description
In/Out/Bi
2
Motor Over Temperature Thermistor
Input
Figure 2-16:
Thermistor Input Schematic (Feedback Connector)
2.3.3. Thermistor Input
iXC6e/XC6e Hardware Manual
44
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Содержание Automation1 iXC6e
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Страница 86: ...Figure 3 2 Digital Outputs Schematic EB1 3 1 Digital Outputs EB1 iXC6e XC6e Hardware Manual 86 www aerotech com...
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