1-6
1-4 System Block Diagrams
1
Features and System Configuration
R88D-GT04L/-GT08H/-GT10H/-GT15H
E5V
+E5V
CN3A
connector
CN3B
connector
MPU & ASIC
Position, speed, and torque processor,
PWM control
Control I/O interface
Encoder
communications
interface
Display/
setting circuits
Internal regeneration resistor
Over-
current
detection
Regene-
rative
control
CN2 encoder signal connector
SW power
supply
Main circuit
control
Relay
drive
Gate drive
Current
detection
CN1 control I/O connector
Cooling fan
(except for the
R88D-GT04L/-GT08H)
Voltage
detec-
tion
Internal
control
power
supply
RS-232
interface
RS-485
interface
RS-
485