Yaskawa Sigma II Series Servo System - Manual (Page 212)

Sigma II User’s Manual Chapter 5: Parameter Settings and Functions
5-126
5.8.6 Reactor for Harmonic Suppression
SGDH servo amplifiers have DC reactor connection terminals for power supply
harmonic suppression.
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.
Servo amplifier
DC reactor
⊕1
⊕2