Wiring ASDA-A3
3-44
Revision December, 2017
3
3.5 Wiring for the CN3 connector (RS-485 / high speed
communication)
When the servo drive is connected to the PC via CN3, you can operate the servo drive, PLC, or
HMI through MODBUS using the assembly language. The CN3 connector supports two
commonly used communication interfaces, RS-485 and CAN. This enables you to connect to
multiple servo drives simultaneously.
Note: RS-485 and high speed communication are not supported by A3-F.
(1) CN3 connector (Female) (2) CN3 connector (Male)
Pin assignment:
Pin No.
Signal
Function
1
CAN_H
CAN_H bus line (dominant high)
2
CAN_L
CAN_L bus line (dominant low)
3, 7
GND_ISO
Signal GND
4
RS-485-
The servo drive transmits the data to differential terminal (-)
5
RS-485+
The servo drive transmits the data to differential terminal (+)
6, 8
-
-
Note: please refer to Chapter 9 for the RS-485 wiring.
Содержание ASD-A3-0121
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