Advanced Motion Controls 12A8 - Three Phase (Brushless) Drives; Azbxxa8; Azbexxa8; Azbdcxxa8

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Products and System Requirements / Three Phase (Brushless) Drives
Three Phase (Brushless) Drives
AZBxxA8
• Designedtodrivebrushlessmotors
witha+/‐10Vanaloginput
• Current(Torque)Mode
• HallSensortrapezoidalCommutation
AZBExxA8
• Designedtodrivebrushlessmotors
witha+/‐10Vanaloginput
• DIPSwitchselectablemodes‐Current
(Torque),OpenLoop(PWMDuty
Cycle),EncoderVelocity,Tachometer
Velocity
• HallSensortrapezoidalcommutation
• Single‐endedincrementalencoder
feedbackforvelocitycontrol
• Externalpotentiometerinputpinfor
commandoffsetadjustment
AZBDCxxA8
• Designedtodrivebrushlessmotors
withaPWMinputcommand
• Current(Torque)Mode
• HallSensortrapezoidalCommutation
AZBHxxA8
• Designedtodrivebrushlessmotors
witha+/‐10Vanaloginput
• DIPSwitchselectablemodes‐Current
(Torque),OpenLoop(PWMDuty
Cycle),HallVelocity,Tachometer
Velocity
• HallSensortrapezoidalcommutation
• Single‐endedHallSensorfeedbackfor
velocitycontrol
• Externalpotentiometerinputpinfor
commandoffsetadjustment
Block Diagrams
+/-10 V
Analog
Input
Current Feedback
Current Command
Drive
Logic
Power Stage
Hall Sensor
Commutation
Brushless
Motor
AZ SERVO DRIVE
Controller
PWM
Input
Current Feedback
Current Command
Drive
Logic
Power Stage
Hall Sensor
Commutation
Brushless
Motor
AZ SERVO DRIVE
Controller
FIGURE 2.6.1 AZBDCxxA8 Drive Structure
FIGURE 2.6 AZBxxA8 Drive Structure
+/-10 V
Analog
Input
Current Command
Hall Sensor
Commutation
Current
Feedback
PWM
Feedback
Velocity Command
Encoder or Tachometer Feedback
Brushless
Motor
Controller
AZ SERVO DRIVE
Power Stage
Drive
Logic
+/-10 V
Analog
Input
Current Command
Current
Feedback
PWM
Feedback
Velocity Command
Brushless
Motor
Controller
AZ SERVO DRIVE
Drive
Logic
Power Stage
Hall Sensor
Commutation
Hall Sensor or Tachometer Feedback
FIGURE 2.7.1 AZBHxxA8 Drive Structure
FIGURE 2.7 AZBExxA8 Drive Structure
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