SD500 Spindle Servo Drive Manual
9
2.2.1 Peripheral Electrical Components and Connections
Grounding
Input side
noise filter
Input side
noise filter
Electromagnetic
contactors
Earth leakage
circuit breakers
R
E
S T
U V W
AC reactor
AC380-440V
Three-phase power supply
Circuit
Breaker
Braking
resistor
Braking
unit
Grounding
+ PB
CN1
CN2
CN6
RS485\RS232
Co nv e rter
Motor encoder
Keyboard
PC
CNC
Analogue signal cable
I/O input and output signal cable
Spindle encoder
Figure 2-3
Note:
When only one encoder is configured in the system, the spindle encoder signal terminal is invalid. The encoder signal must be connected
to the motor encoder signal terminal.
2.2.2 Description of Use of External Electrical Components
Accessory
Mounting position
Function description
Air circuit breaker
Front end of input circuit
It contacts and breaks the circuit and acts promptly to protect the downstream
equipment in case of short circuit or serious overload. Rated current of air
switch can be selected according to 150% of the rated current of the drive.