1-9
1-4 System Block Diagrams
1
Features and System Configuration
R88D-GT75H
E5V
+E5V
Terminals Terminals
CN3A
connector
CN3B
connector
MPU & ASIC
Position, speed, and torque processor,
PWM control
Control I/O interface
Encoder
communications
interface
Display/
setting circuits
Regene-
rative
control
CN2 encoder signal connector
SW power
supply
Main circuit
control
Relay
Gate drive
Gate drive
Current
detection
CN1 control I/O connector
Cooling fan
Voltage
detection
Internal
control
power
supply
RS-232
interface
RS-485
interface
RS-
485