2 Wiring
2
- 19 -
2.3.1 Main Circuit Terminals
Figure 2-7 Terminal block arrangement of SIZE A (SIZE C)
L1C
R
S
T
P+
D
C
U
V
W
-
L2C
PE
Table 2-1 Names and functions of main circuit terminals of SIZE A (SIZE C)
Terminal
Symbol
Terminal Name
Terminal Function
L1, L2
Power input terminals
Single-phase power input.
Connect 220 VAC power supply between L1 and L2 terminals.
R, S, T
Three-phase 220 V/380 V power input according to the nameplate.
L1C, L2C Control power input
terminals
Connect to control power input. For specific value, refer to the rated voltage
on the nameplate.
P
, D, C
Terminals for
connecting external
regenerative resistor
Connect an external regenerative resistor between
P
and C if the braking
capacity is insufficient. The external regenerative resistor needs to be
purchased additionally.
Terminals
P
and D are shorted by default. Remove the jumper between
P
and D, and connect an external regenerative resistor between
P
and C if the
braking capacity is insufficient.
The external regenerative resistor needs to be purchased additionally.
P
,
-
Common DC bus
terminal
They are used for common DC bus connection when multiple servo drives
are used in parallel.
U, V, W
Servo motor
connection terminals
Connect to U, V and W phases of the servo motor.
PE
Ground
Two grounding terminals of the servo drive are respectively connected to
those of the power supply and the servo motor.
The entire system must be grounded.
