Chapter 2 Installation and Storage2-14 Revision June 2010The users can select the adequate regenerative resistors according to the allowablefrequency by referring to the table below:Allowable Frequencies for Servo Motor Running Without Load (times/min)When Using External Regenerative ResistorECMA
C100W 200W 400W(F60)400W(F80) 750W 1.0kW 2.0kWMotor CapacityDelta ExternalRegenerative Resistor 01 02 04 04 07 10 20BR400W040 (400W 40Ω) - - 8608 3506 2110 925 562BR1K0W020 (1kW 20Ω) - - - 8765 5274 2312 1406ECMA
E0.5kW 1kW 1.5kW 2.0kW 2.0kW 3.0kWMotor CapacityDelta ExternalRegenerative Resistor 05 1.0 15 20 20 30BR400W040 (400W 40Ω) 291 283 213 163(F130)68(F180) -BR1K0W020 (1kW 20Ω) 729 708 533 408 171 -BR3K0W010 (1kW 10Ω) - - - - - 331ECMA
G0.3kW 0.6kW 0.9kWMotor CapacityDelta ExternalRegenerative Resistor 03 06 09BR400W040 (400W 40Ω) 292 283 213BR1K0W020 (1kW 20Ω) 729 708 533( ) : motor frame size, unit is in millimeters.When the regenerative resistor capacity is not enough, the users can connect to multiplethe same capacity regenerative resistors in parallel to increase it.
