Zmotion ZMC303, Руководство пользователя

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ZMC303 Motion Controller User Manual V1.5
3.2. RS485, RS422, CAN Communication Interfaces
The communication interface adopts a 10Pin screw-type pluggable wiring terminal and
the gap spacing between 2 terminals should be 3.81mm. This terminal is shared by
controller RS485, CAN and RS422 communication. It supports MODBUS_RTU protocol
and custom communication.
→ Terminal Definition:
Terminal Name Function
485B 485-
485A 485+
EGND External power supply ground
CANL CAN differential data -
CANH CAN differential data +
EGND External power supply ground
422TX- RS422 send -
422TX+ RS422 send +
422RX- RS422 receive -
422RX+ RS422 r
3.2.1. RS485, RS422, CAN Communication Specification
& Wiring
The RS485 serial port (port 0) supports the MODBUS_RTU protocol and custom
communication, mainly including 485A, 485B and public end.
The RS422 serial port (port 2) supports the MODBUS_RTU protocol and custom
communication, mainly including 422TX-, 422TX+, 422RX-, 422RX+ and public end.
The CAN interface of the controller adopts the standard CAN communication
protocol, which mainly includes three ports, CANL, CANH and the public end. And it can