Block Diagrams; Sgd7C-1R6A And -2R8A - YASKAWA SGD7C-***AMAA*** Product Manual

1.6

Block Diagrams

Internal block diagrams for the Servo Section are provided below.
1.6.1

SGD7C-1R6A and -2R8A

L1 Vari tor
Main
circuit
L2
power
L
upply
-
1
-
2
-
Voltage
en or
Vari tor
L1C
Control
power
L2C
upply
B1/ +
B2
+
−
CHARGE
Relay drive
Voltage
Temperature
Gate drive
en or en or
Control
+
power
−
upply
tatu di play
Computer

1.6.1 SGD7C-1R6A and -2R8A

B
Dynamic
brake circuit
Gate drive Gate drive
Current Current
overcurrent overcurrent
en or
protection protection
Proce or
(PWM control, po ition/
peed calculation , etc.)
CN7

1.6 Block Diagrams

ervomotor for
Fan
axi A
UA
VA
M
WA
Dynamic
brake circuit
ENC
UB
VB
M
WB
en or
ENC
ervomotor for
axi B
CN2A
CN2B
CN1
I/O I/O ignal
1
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