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Sigma II User's Manual
Single-phase Power Supply Connection Example
U
V
W
5.8.6 Reactor for Harmonic Suppression
SGDH servo amplifiers have DC reactor connection terminals for power supply har-
monic suppression.
n
Connecting a DC Reactor
The DC reactor is connected in series to the rectifier circuit's output side. Refer to
3.2 Servo Amplifier Internal Block Diagrams.
At the time of shipping, the servo amplifier's (+)1 and (+)2 are short-circuited.
Remove the lead wire between the two terminals and connect the DC reactor.
Transformer for
voltage conversion
200V
1MC
1MC
1MC
Electromagnetic contactor for
power supply ON/OFF
DC reactor
5-113
Chapter 5: Parameter Settings and Functions
SGDH Servo amplifier
or 100V
AC
L1
L2
Servo amplifier
⊕1
⊕2
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