Estun ETS Series - Names and Functions of Main Circuit Terminals

ETS Series AC Servo User's Manual
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3.1.2 Names and Functions of Main Circuit Terminals
Terminal
Symbol
Name
Functions
L1，L2，L3
Main circuit
power supply
input terminal
Three-phase 200～230VAC +10%～-15% (50/60Hz)
U_A，V_A，
W_A
Axis A servomotor
connection
terminals
Connect to the axis A servomotor.
U_B，V_B，
W_B
Axis B servomotor
connection
terminals
Connect to the axis B servomotor.
U_C，V_C，
W_C
Axis C servomotor
connection
terminals
Connect to the axis C servomotor.
L1C，L2C
Control circuit
power supply
input terminal
Single-phase 200～230VAC +10%～-15% (50/60Hz)
Ground terminals
Connects to the power supply ground terminals and servomotor ground terminal.
B1，B2，B3
External
regenerative
resistor connection
terminal
If using an internal regenerative resistor, please short B2 and B3. Remove the wire
between B2 and B3 and connect an external regenerative resistor(provided by
customer) between B1 and B2, if the capacity of the internal regenerative resistor is
insufficient.