AC Brushless Servo Drive System Manual Ver: 0002
ACa - 10 / 32
Preliminary
2.1 INTRODUCTION
The A.C.Servo drive is a compact speed drive which includes the power supply and is designed to
control a single Brushless ACS motor.
There are four modules of different power offering peak currents of 5, 10, 20 and 30 Amps -rms-
and whose main characteristics are:
- Three-phase power supply from Mains.
- Independent Power and Control supplies
- Dynamic braking in case of Mains fault.
- PWM IGBTs.
- Incremental TTL Encoder feedback with 2500 ppt.
- Programmable encoder output 2/n (n, from 2 to 16)
- Velocity or Torque command.
- Velocity command filtered with ramps.
- Logic inputs to control the motor (Speed and Drive Enable).
- Galvanic isolation between power and control.
- Analog outputs to monitor speed and current.
- Control against excessive acceleration/deceleration.
- 7-segment display to monitor the status of the servo drive system.
- Internal fan activation depending on the Drive_Enable signal.
- Protection against feedback loss.
- Protection against excessive drive temperature.
- Protection against Bus overvoltage or undervoltage.
- i2t protection in the motor.
- Protection of the internal Ballast resistor (i2t).
- Short-circuit protection in the motor output terminals.
- Protection against a phase drop.
A.C. Servodrive
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