Wecon VD2 SA Series Servo Drives User Manual (Full V1.0)
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WECON technology Co., Ltd
4.5.3 PLC communication connection
The servo drive communicates with the PLC in RS-485 mode through the CN5 or CN6 interface (on
the top of the servo drive).
Pin
Name
Function description
1
485+
Computer sends negative terminal (driver receives negative)
2
485-
Computer sends positive terminal (driver receives positive)
3
NC
Not used
4
GND
Ground terminal
5
GND
Ground terminal
6
NC
Not used
7
RESERVE Reserve
8
GND
Ground terminal
Table 4-10 The pin definition of CN5/CN6 interface
