Sinee EA100-2R8-2A - Page 37

37
Operation panel
CN4
CN2/
CN3
CN1
CN5
M
Encoder
Servo
Motor
Rectifier
circuit
+
P
External braking resistor
Servo drive
Regenerative
processing
circuit
IGBT
U
V
W
GATE
DRIVER
Protection
circuit
L1
L2
L3
Control
Power
+15V
+5V
+3.3V
+24V
L1C
L2C
A/D
Position
control
Speed Control
Current
Control
To DSP
PWM
DSP
CPLD
From
Protection
circuit
Data Bus
External speed
External torque
Position pulse
A, B, Z output
Digital input
Digital Output
Analog Output
D/A
Current Signal
Processing
A/D
The encoder
signal processing
D C
24V
fan
Power supply
1/3-phase 220V
3-phase 380V
RS232
RS485
Built-in
braking
resistor
Figure 4-27 servo drive main circuit diagram