Yaskawa Sigma II Series Servo System - Manual (Page 45)

Sigma II User’s Manual Chapter 3: Wiring
3 - 7
3.2 Servo Amplifier Internal Block Diagrams
The following sections show internal block diagrams of the servo amplifiers.
3.2.1 30W to 400W (200V) and 30W to 200W (100V) Models
Note: The power supply voltage is 100 to 115V (+10% -15%), 50/60Hz for the 30 to 200W, 100V models.
-
Gate drive
Single-phase
200 to 230 V
(50/60Hz)
+10%
-15%
Noise filter
Relay drive
CHARGE
Gate drive over
current protector
AC Servomotor
Interface
Power
OFF
Power
ON
Surge
suppressor
Open during servo
alarm
DC/DC
con
verter
POWER
Analog voltage
converter
Serial port
Reference pulse
processing
Current
Sensor
PG output
Reference pulse input
Speed/torque
reference input
Sequence I/O
Digital cur
rent amp
PWM
generator
PG signal
processing Divider
Current
reference
calculation
Speed
control
Position
control
A/D
I/O
IMC
L1
L2
XX1
FU1
L1C
L2C
1MC
1MC
(5RY)
~
~
+
-
R
T
P1
N1
TR1
C1
+5V
0V
CN5 CN3
B1 B2
P2
N2
U
V
W
ASIC
CPU
CN1
CN2
D2 D3 D4
THS1
PG
R7
R8
For battery
connection CN8
Monitor display
1
PM1-1
D1
RY1
PM1-2
Voltage
Sensor
2
+
-
+
-
Voltage
Sensor
U
V
W
+5V
+15V
+5V
+12V
Analog monitor
Digital monitor
personal computer
output for
supervision
Connection
for optional
board
1
2