www.a-ts.cn A-TS Technology RT20
17
3.2 Wiring and terminals
3.2.1 Wiring diagram
CNC system, PLC or
other upper machine
D e b u g g i n g
C a b l e
C o m m a n d
C a b l e
M o t o r P o w e r C a b l e
E n c o d e r
C a b l e
Air Circuit Breaker
To protect the power circuit,
make sure to use a proper air
circuit breaker as the protection
device.
Noise Filter
Prevent external Interference,
and reduce the interference by
servo for other devices.
Magnetic Contactor
Turn the power supply on or off. It
works with the coil surge
absorbers.
· Strictly prohibit to use the
magnetic contactor to operate or
stop the motor !
P o w e r
c a b l e
P o w e r S u p p l y
t h r e e p h a s e , A C 3 8 0 V
Resistor
The braking resistor is optional.
By default, the B2 and B3 are shorted,
the internal resistor is used. When the
internal resistor is not big enough,
disconnect the B2 and B3, and connect
external resistor between the B1 and B2.
R S 4 8 5 i n t e r f a c e
I N / O U T
CN3
CN2A
CN1
RT20 AC Servo System
A-TS Technology
CN4
CN2B
Figure 3-6 RT20-PA pulse series AC servo drive wiring diagram
DANGER
Wiring operation should be performed by professional technicians.
In order to avoid electric shock, after turn off the power, wait for more