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CHAPTER 2 WIRING
2.2 P-N Junction
Connect the DC intermediate voltages of two servo amplifiers directly to facilitate power transfer.
By doing so, power can be supplied by the regenerative side (brake side) servo amplifier to the
2
powering side (drive side) servo amplifier, allowing overall power consumption to be reduced.
Application examples
Winding systems
Take-out robots
Printing machines
Restrictions apply to combinations of connected servo amplifier. Please contact Fuji if using with a PN
junction.
If employing a PN junction as shown in the diagram, it is not possible to connect two wires to the
connector (TB1) on servo amplifiers of frame size 2 or less, and therefore it is recommended that a
separate commercially available connector (CL-1814T (JST)) be used.
N(-)
2-22
P-N Junction
P1
L1C
L2C
L1
L2
L3
P(+)
CL-1814T
P(+)
N(-)
RB1 RB2
RB3
TB
TB1
TB1
N(-)
P(+)
CL-1814T
P1
P(+)
N(-)
RB1 RB2
RB3
TB1
TB1
L1C
L2C
L1
L2
L3
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