Sgd7S-330A - YASKAWA SGD7S series Product Manual

2.2.6

SGD7S-330A

Vari tor
L1
Main
circuit
L2
power
upply
L
- 1
2
-
Vari tor
L1C
Control
L2C
power
upply
CN11
Option Module
Voltage Thyri tor
en or drive
Control
+
power
−
upply
Panel Operator
CN12 CN
Option Module Digital Operator
B1/ +
B2 B
+
−
Overheat/overcurrent
protection
Voltage
Temperature
Gate drive
en or
en or
Proce or
(PWM control, po ition/
peed calculation , etc.)
CN7
Computer
2.2 Block Diagrams

2.2.6 SGD7S-330A

Fan 1 Fan 2
ervomotor
U
V
M
W
Dynamic
brake circuit
Current
en or
ENC
CN2
CN5
Analog Analog monitor
voltage
output
converter
CN1
Reference pul e input
Encoder divided
pul e output
Reference voltage
A/D
input
I/O
I/O ignal
CN8
afety function ignal
2
2-15