Product Information
‑23‑
No. Name
Description
④
CN3, CN4 (Profinet
communication
terminal)
CN4(P1) is connected to the host controller, and CN3(P2)
is connected to a slave.
⑤
CN1 (control
terminal)
Used by reference input signals and other I/O signals.
⑥
CN2 (terminal for
connecting the
encoder)
Connected to the motor encoder terminal.
⑦
CHARGE (bus
voltage indicator)
Indicates the electric charge is present in the bus
capacitor. When the indicator turns on, charges possibly
still exist in the internal capacitor of the servo unit, even
if the power supply of the main circuit is OFF. To prevent
electric shock, do not touch the power terminals when
this indicator lights up.
⑧
L1, L2 (power input
terminals)
See the nameplate for the rated voltage class.
⑨
P⊕, N⊖ (servo bus
terminals)
Used by the common DC bus for multiple servo drives.
P⊕, C (terminals for
connecting external
regenerative
resistor)
If an external regenerative resistor is needed, connect it
between terminals P⊕ and C.
⑩
U, V, W (terminals
for connecting the
servo motor)
Connected to U, V, and W phases of the servo motor.
⑪
Motor grounding
terminal
Connected to the grounding terminal of the motor for
grounding purpose.
⑫
Battery location Used to hold the battery box of the absolute encoder.
⑬
Power supply
grounding terminal
Connected to the grounding terminal of the power
supply for grounding purpose.
Note
The built‑in regenerative resistor or jumper bar is not available in models S1R6 and S2R8. If
an external regenerative resistor is needed for these models, connect it between terminals
P⊕ and C.
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