MTS Systems Series TBF-R User Manual download pdf (Page 8)

2 Technical description

2.1 General Information

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

• Short-circuit proof and ground contact proof

• Protective circuit: Undervoltage, overvoltage, overcurrent, overheating

• I

t current limiting

• Differential amplifier input

• Enable input

• External current limiting

• Limit switch inputs

• PLC compatible inputs

• Incremental encoder simulation

Type code:

TBF

Series Nominal voltage Nominal current Feedback with: R = Resolver

(Optional T = Tachometer generator and

I = Incremental encoder is

separated define.

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MTS Systems Series TBF-R User Manual Page 8