Yaskawa SGDB User Manual
Page 540
6.2 Troubleshooting
531
6.2.3 Internal Connection Diagram and Instrument Connection
Examples
The SGDB SERVOPACK internal connection diagram and instrument connection exam-
ples are given below.
Refer to these diagrams during inspection and maintenance.
J
Internal Connection Diagram
• 0.3kW to 1.5kW
Three-phase
200 to 230VAC
(50/60 Hz)
+10
−15
%
Line filter
Power
ON
Power
OFF
Surge
suppressor
Open when
Servo alarm
occurs.
Voltage
detection
isolator
Optional
printed board
(not mounted)
DC/DC
conver-
sion
Voltage
adjust-
ment
Analog voltage
conversion
Analog monitor
output for observation
Relay
driver
Voltage
detection
isolator
Base driver, Overcurrent
protection isolator
PMW
generator
Digital
current
amplifier
Current
reference
operation
Selection
Axis address
Serial port
Speed
control
Position
control
PG
signal
proces-
sing
Divi-
der
Reference
pulse pro-
cessing
Current
detection
Servomotor
(PG output)
(Reference pulse
input)
(Speed/torque
reference input)
(Sequence
input/output)
Digital operator,
personal computer
SGDB
-CCjjAA
SGDB
-CBjjAA
6