Lenze 8615E - Manual (Page 42)

1.
the above conditions do not apply, you determine the
suitable brake resistor as follows:
Determine the resistance:
Resistance
required brake peak power
Depending on the unit the resistances must not fall below the Depending on the unit the resistances must not fall below the
following values:
following values:
Controller type Controller type
Min. resistancet Min. resistancet
Controller type
Min. resistance 18612 18615
2. Determine the rated power of the brake resistor:
1
Cycle time Resistance
The permissible continuous power of the internal brake
does not
the unit. lt corresponds to the max. permissible
brake power.
3. Determine the thermal capacitance of the resistor:
Thermal capacitance
Resistance
max. brake time
40