Delta ASD-B2-0121-B, User Manual

Page: 39 / 313

Chapter 3 Connections and Wiring
3-2
Revision June 2010
3.1.2 Servo Drive Connectors and Terminals
Terminal
Identification
Terminal
Description
Notes
L1c, L2c
Control circuit
terminal
Used to connect single-phase AC control circuit
power. (Control circuit uses the same voltage as the
main circuit.)
R, S, T
(for 220V
models)
Main circuit
terminal
Used to connect single-phase or three-phase AC
main circuit power depending on connecting servo
drive model.
Used to connect servo motor
Terminal
Symbol
Wire Color Description
U Red
V White
W Black
Connecting to
three-phase
motor main
circuit cable.
U, V, W
FG ( )
Servo motor
output
FG( )
Green
Connecting to
ground terminal
(
) of the
servo drive.
Internal
resistor
Ensure the circuit is closed
between P and D, and the circuit
is open between P and C.
External
resistor
Connect regenerative resistor to
P and C, and ensure an open
circuit between P and D.
P , D, C,
Regenerative
resistor terminal
or braking unit
External
braking unit
Connect braking unit to P and ,
and ensure an open circuit
between P and D, and P and C.
(N terminal is built in L1c, L2c, ,
and R, S, T.)
P : Connecting to (+) terminal of
V_BUS voltage.
: Connecting to (-) terminal of
V_BUS voltage.
two places
Ground terminal
Used to connect grounding wire of power supply
and servo motor.