Sgd7S-590A And -780A; Sgd7S-R70F, -R90F, And -2R1F - YASKAWA SGD7S series Product Manual

2.2.8

SGD7S-590A and -780A

Vari tor
L1
Main
circuit L2
power
upply
L
1
2
Vari tor
L1C
Control
L2C
power
upply
CN11
Option Module
2.2.9

SGD7S-R70F, -R90F, and -2R1F

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

2.2.8 SGD7S-590A and -780A

Fan 1 Fan 2 Fan Fan 4
ervomotor
U
V
W
Dynamic
brake circuit
Current
en or
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
ervomotor
U
V
W
Dynamic
brake circuit
Gate drive Current
overcurrent en or
protection
CN2
CN5
Analog
Analog monitor
voltage
output
converter
CN1
Reference pul e
input
Encoder divided
pul e output
Reference
A/D
voltage input
I/O
I/O ignal
CN8
afety function ignal
M
ENC
2
M
ENC
2-17