Motor thermal switch:

The motor may be supplied with a sensor/switch that either opens completely or provides a high impedance when the motor

temperature limit is reached. This should be wired directly to the dedicated motor temperature switch input (X10) on a MotiFlex

e180 drive. If using a MicroFlex e190 drive use of this temperature sensor is optional, but if it is used it should be wired using an

isolated 24Vdc supply (this can be the same supply used for a motor brake) and then included into the control scheme via an

intermediate relay, contacts of which can either be used to disable the drive in some way or fed into the MicroFlex e190 as an

input assigned to be the MOTORTEMPERATUREINPUT.

For a drive controlled via a Real-time Ethernet network it is

typical to connect this signal to the motion controller instead. Removal of the STO inputs would be delayed to allow the drive (or

motion controller) time to profile the axis to a controlled stop before finally disabling the motor output via the STO function.

Actual implementation must be determined by the user according to the result of a risk assessment performed on the system –

please refer to application note AN00206, available on the ABB motion support website, for further details