ABB 3BUS212547-001 Matrix switch card

The series R amplifiers (= resolver) are servo amplifiers for speed control of brushless servo motors. They extract the information for the sine commutation of the motor and for the speed feedback from the signals of the resolver, attached to the motor. In addition to that, incremental encoder signals are simulated by these signals. This allows the realization of favorable solutions for a large range of applications with low and medium power levels. The amplifiers work with a pulse-width modulated power amplifier in MOSFET technique.

The design is a 3 HE (Euroformat) for 19" slide-in racks. 

These devices have an integrated power supply unit. The electronics is supplied internally from the intermediate circuit voltage, which also allows a battery-powered operation. The main characteristics are: · Sine commutation · Hybrid technique/ SMD technology · 19 inch/3HE slide-in technique · Internal power supply unit · High dynamics · High efficiency · Almost no clock noise by doubling of the current frequency

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