ZMC460N Motion Controller User Manual V1.5
3.2.
RS485, CAN Communication Interface
The communication interface adopts a screw-type pluggable wiring terminal with a 5Pin
spacing of 3.81mm. Both RS485 communication and CAN communication can be
connected and used through the corresponding interface of this terminal.
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Terminal Definition:
Terminal
Name
Function
485B
485-
485A
485+
EGND
External power supply ground
CANL
CAN differential data -
CANH
CAN differential data +
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 common ports.
The CAN interface of the controller adopts the standard CAN communication
protocol, which mainly includes three ports, CANL, CANH and the common port. And it
supports connecting CAN expansion modules and other standard CAN devices.
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Specification
Item
RS485
CAN
Max Communication Rate (bps)
115200
1M
Terminal Resistor
No
120Ω
Topology
Daisy chain connection structure
Nodes can be extended
Up to 127
Up to 16
Communication Distance
Longer communication distance, lower
Содержание ZMC460N
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