4 2
Block Diagrams
M A X
SPEED
CIRCUIT
ACCEL/
DECEL
CIRCUIT
PWM
CIRCUIT
POWER
SWITCHING
CIRCUIT
CURRENT
LIMIT
CIRCUIT
IR COMP
CIRCUIT
POWER
BRIDGE
CIRCUIT
A1
A2
+ VBUS
L1
L2
S1
S2
S3
Figure 23. XP–AC Series Block Diagram
POWER
SWITCHING
CIRCUIT
PWM
CIRCUIT
I R C O M P
CIRCUIT
CURRENT
LIMIT
CIRCUIT
ACCEL /
DECEL
CIRCUIT
MAX
SPEED
CIRCUIT
POWER
BRIDGE
CIRCUIT
S1
S2
S3
L1
L2
+ VBUS
A1
A2