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2.2 Block Diagrams
2.2.3 SGD7C-1R6A and -2R8A
2-9
2
S
electing a
S
ER
VOP
ACK
2.2.3
SGD7C-1R6A and -2R8A
L1
L2
L
3
Main
circuit
power
s
upply
1
2
+
−
B2
B
3
B1/
Gate drive
Dynamic
brake circuit
UA
VA
WA
UB
VB
WB
I/O
CN1
CN2B
CN2A
+
−
Control
power
s
upply
L1C
L2C
CN7
S
tatu
s
di
s
play
CHARGE
M
ENC
M
ENC
S
ervomotor for
axi
s
B
S
ervomotor for
axi
s
A
-
-
-
+
Dynamic
brake circuit
Gate drive
overcurrent
protection
Proce
ss
or
(PWM control, po
s
ition/
s
peed calculation
s
, etc.)
Control
power
s
upply
Gate drive
overcurrent
protection
S
afety function
s
ignal
CN8
Fan
Vari
s
tor
I/O
s
ignal
s
Computer
Temperature
s
en
s
or
Current
s
en
s
or
Current
s
en
s
or
Voltage
s
en
s
or
Relay drive
Voltage
s
en
s
or
Vari
s
tor