YASKAWA SGM-A3 User Manual page 423

6.2.3 Internal Connection Diagram and Instrument Connection
Examples
The DR2 Servopack internal connection diagram and instrument connection examples are
given below.
Refer to these diagrams during inspection and maintenance.
1) Internal Connection Diagram
• 200VAC: 30W to 200W (0.04 HP to 0.53 HP)
100VAV: 30W to 100W (0.04 HP to 0.13HP)
POWER SUPPLY
SINGLE-PHASE
200 TO 230V +10%
-15%
OR
SINGLE-PHASE
+10%
100 TO 115V
-15%
(50/60Hz)
NOISE
FILTER
1MC
L1
L2
L
N
POWER
POWER
ON
1MC
OFF
1MC
SURGE
SUPPRESSOR
OPEN AT
(1RY)
SERVO ALARM
DB1
CHARGE
IN-RUSH CURRENT
PRO-
PREVENTIVE
TECTIVE
CIRCUIT,
DETECTION
REGENERATIVE
PROCESSING
+5V
FG
-5V
DC/DC
PG5V
CPU
CON-
VERTER
ALARM
INDICATION
PM1
DB
CIRCUIT
ISO-
RELAY
LATOR
PWM
REGENERATIVE
CIRCUIT
CURRENT
CONTROL
CIRCUIT
SPEED
CALCU-
LATION
POSITION
CURRENT
REFERENCE CONTROL
SPEED
CURRENT
CONTROL
CONTROL
6.2 Troubleshooting
AC SERVOMOTOR
U
RED
CURRENT
WHITE
V
DETECTOR
W
BLUE
GREEN
CURRENT
DETECTION
2CN
PG
4CN
FOR LINE PG SIGNALS
(FULL-CLOSED LOOP
SPECIFICATIONS)
1CN
FOR I/O SIGNALS
3CN
FOR SETTING DEVICE
411
6