ABB ACQ580-34, Hardware Manual

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CMOD-02 multifunction extension
module (external 24 V AC/DC and
isolated PTC interface)
Contents of this chapter
This chapter describes the optional CMOD-02 multifunction extension module (external
24 V AC/DC and isolated PTC interface).
Product overview
The CMOD-02 multifunction extension module (external 24 V AC/DC and isolated PTC
interface) has a motor thermistor connection for supervising the motor temperature and one
relay output, which indicates the thermistor status. In case the thermistor overheats, the
drive trips on motor overtemperature. If Safe torque off tripping is required, the user must
wire the overtemperature indication relay to the certified Safe torque off input of the drive.
In addition, the extension module has an external power supply interface, which can be
used to power up the drive control unit in case the drive power supply is not on. If you do
not need the back-up power supply, you do not have to connect it because the module is
powered from the drive control unit by default.
There is reinforced insulation between the motor thermistor connection, the relay output
and the drive control unit interface. Thus, you can connect a motor thermistor to the drive
through the extension module.
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