CMOD-02 multifunction extension module (external24 V AC/DC and isolated PTC interface)￭ Hardware descriptionProduct overviewThe CMOD-02 multifunction extension module (external 24 V AC/DC and isolated PTCinterface) has a motor thermistor connection for supervising the motor temperature and onerelay output, which indicates the thermistor status. In case the thermistor overheats, thedrive trips on motor overtemperature. If Safe torque off tripping is required, the user mustwire 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 beused to power up the drive control unit in case the drive power supply is not on. If you donot need the back-up power supply, you do not have to connect it because the module ispowered from the drive control unit by default.There is reinforced insulation between the motor thermistor connection, the relay outputand the drive control unit interface. Thus, you can connect a motor thermistor to the drivethrough the extension module.WARNING!Do not connect the +24 V AC cable to the control unit ground when the controlunit is powered using an external 24 V AC supply.Layout123456Mechanical installation (page 169)Grounding screw1Mechanical installation (page 169)Hole for mounting screw2168 Optional I/O extension modules
