YASKAWA SGD7S-1R9D Product Manual page 59

2.2 Block Diagrams
2.2.1 SERVOPACKs without Built-in Servomotor Brake Control
SGD7S-280D and -370D
Main
circuit
power
supply
The DC power supply (24 VDC)
is not provided by Yaskawa.
Control
power
supply
*
If using these terminals, contact your YASKAWA representative.
2-10
CN101
Varistor
L1
L2
L3
- 1
- 2
*
CN103 Voltage
sensor
+
+
-
-
CN201
24 V
Control
24 V
+
power
−
0 V
supply
0 V
Status display
CN11 CN12
Option Module Option Module
B1 B2
CN101
+
−
+
−
Relay
Voltage
drive
sensor
(PWM control, position/
speed calculations, etc.)
CN3 CN7
Digital Operator Computer
Fan
CN102
±12 V ±12 V ±12 V ±12 V
U
V
W
Overheat protector
Overcurrent protector
Current
sensor
Gate drive
CN2
CN5
Analog
voltage
converter
CN1
Processor
I/O
CN6A
I/F
CN6B
CN8
Safety function signals
Servomotor
M
ENC
Analog monitor
output
Encoder divided
pulse output
I/O signals
EtherCAT
communications