SD710 Series Servo Drive User Manual Chapter 3 Wiring and Installation
14
Precautions for 485 communication
When using 485 communication, users should pay attention to the connection between the (GND) terminal of the upper
unit and the GND terminal of the servo driver, as shown below
：
Figure 3.15 Correct 485 connection method
Figure 3.16 Wrong 485 connection method
Attention
●
It is recommended that the shield is single-ended and grounded.
● Controller side termination
resistor needs to be connected or turned on
。
● Do not connect the CGND terminal in the upper unit to the GND terminal of the servo driver,
otherwise the machine will be damaged!
！
