ZMC420SCAN Motion Controller Hardware Manual V1.5
3.2. RS485, CAN Communication Interface
The communication interface adopts a 5Pin screw-type pluggable wiring terminal and the
gap spacing between 2 terminals should be 3.81mm. For both RS485 communication and
CAN communication, they can be used by connecting the corresponding interface.
→ Terminal Definition:
External power supply ground
3.2.1. RS485, CAN Communication Specification & Wiring
The RS485 serial port supports the MODBUS_RTU protocol and custom
communication, mainly including 485A, 485B 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
connect CAN expansion modules and other standard CAN devices.
→ Specification
Maximum Communication Rate (bps)
The number of nodes can be extended
The longer communication distance is, the