Delta HES Series User Manual page 22

External Wiring of Hybrid Servo Controller
Power Supply
Fuse/NFB
Magnetic
Contactor
Input AC
Line Reactor
EMI Filter
R/L1 S/L2 T/L3
U/T1 V/T2 W/T3
Zero-Phase
Reactor
M
3~
Power
Please follow the power rating listed in the
Supply
user's manual (chapter 1)
A larger current may be generated when the
Fuse/NFB
power is turned on. Please refer to Appendix
(Optional)
B-1 to select suitable non-fused switch or fuse.
Turning on/off the side electromagnetic
contactor can start/stop the hybrid servo
Magnetic
controller. However, frequent switching may
Contactor
lead to malfunction. It is advised not to turn
on/off the hybrid servo controller for more
than 1 time/hour.
When the output capacity exceeds 1000kVA,
Input AC
it is recommended to add an AC reactor to
Line Reactor
improve the power factor, with the wiring
(Optional)
distance within 10m. Please refer to
Appendix B-2 for details.
This is to reduce the radiation interference,
especially in places with audio devices.
Zero-Phase
It can also reduce the interferences at the
Reactor
input and output sides. Please refer to
appendix B-2 for details. The effective
range is from AM band to 10MHz.
It can be used to reduce electromagnetic
EMI Filter
interference. Please refer to Appendix B-5
for details.
2-9
Chapter 2 Wiring|HES Series