Block Diagrams; Sgd7S-R70A, -R90A, And -1R6A; Sgd7S-2R8A - YASKAWA SGD7S series Product Manual

2.2

Block Diagrams

2.2.1

SGD7S-R70A, -R90A, and -1R6A

Vari tor
L1
Main
circuit
L2
power
upply L
- 1
- 2
-
Vari tor
L1C
Control
power
L2C
upply
CN11
Option Module
2.2.2

SGD7S-2R8A

L1 Vari tor
Main
circuit
L2
power
L
upply
- 1
- 2
-
Vari tor
L1C
Control
power
L2C
upply
CN11
Option Module
Voltage Relay
en or drive
Control
+
power
−
upply
Panel Operator
CN12 CN
Option Module Digital Operator
Voltage
Relay
en or
drive
Control
+
power
−
upply
Panel Operator
CN12 CN
Option Module Digital Operator

2.2.1 SGD7S-R70A, -R90A, and -1R6A

B1/ + B2 B
+
−
Voltage Temperature Gate drive
Gate drive
en or en or overcurrent protection
Proce or
(PWM control, po ition/
peed calculation , etc.)
CN7
Computer afety function ignal
B1/ + B2 B
+
−
Temperature Gate drive
Voltage
Gate drive
en or overcurrent protection
en or
Proce or
(PWM control, po ition/
peed calculation , etc.)
CN7
Computer afety function ignal

2.2 Block Diagrams

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
ervomotor
U
V
M
W
Dynamic
brake circuit
Current
en or
ENC
CN2
CN5
Analog monitor
Analog
voltage
output
converter
CN1
Reference pul e input
Encoder divided
pul e output
Reference voltage
A/D
input
I/O
I/O ignal
CN8
2-11
2