2.2 Block Diagrams
2.2.2 SERVOPACKs with Built-in Servomotor Brake Control
2-11
2
Selecting a SER
VOP
ACK
2.2.2
SERVOPACKs with Built-in Servomotor Brake Control
SGD7S-1R9D, -3R5D, -5R4D, -8R4D, -120D, and -170D
*
If using these terminals, contact your YASKAWA representative.
Processor
(PWM control, position/
speed calculations, etc.)
L1
B1
B2
B3
L2
L3
1
2
CN3
Option Module
Option Module
Digital Operator
Computer
CN11
CN12
CN7
Current
sensor
CN2
CN5
Analog monitor
output
Voltage
sensor
Voltage
sensor
Varistor
Relay
drive
+
−
+
−
CHARGE
-
-
Gate drive
Overheat protector
Overcurrent protector
Safety function signals
CN8
Fan
±
12 V
CN101
CN101
I/O
I/F
CN1
CN6A
CN6B
EtherCAT
communications
Encoder divided
pulse output
I/O signals
Status display
The DC power supply (24 VDC)
is not provided by Yaskawa.
U
V
W
D1
DC+
DC-
D2
D3
Servomotor
ENC
M
BK+
BK-
BK
Brake
control
circuit
CN117
CN115
CN102
Main
circuit
power
supply
Brake
power
supply
Analog
voltage
converter
+
+
-
-
CN103
24 V
24 V
0 V
0 V
Control
power
supply
Control
power
supply
+
−
CN201
Dynamic
brake circuit
*