1-9
1 Features and System Configuration
G5-series AC Servomotors and Servo Drives User’s Manual (with Built-in EtherCAT Communications)
1-4 System Block Diagram
1
R88D-KN30H-ECT/-KN50H-ECT
CN2CN1
ECAT
IN
ECAT
OUT
FG
L2C
L1C
L3
L2
L1
FUSE
FUSE
FUSE
+
-
+
-
15V
G1
5V
2.5V
1.5V
±12V
E5V
G2
3.3V
FG
CN4 CN5 CN7
B1
B2
B3
NC
U
V
W
MPU & ASIC
CN8
USB
Control
interface
Encoder
EtherCAT
communications
connector
Display and
setting circuit
area
Gate drive
SW power supply
main circuit
Internal
control
Overcurrent
detection
Current detection
Voltage
detection
Regeneration
control
Relay
drive
Position, speed, and torque calculation control area
• PWM control
External
encoder
Analog
monitor
Safety
Internal Regeneration Resistor
Axial flow fan
control
power supply
EtherCAT
communications
connector
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