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➢ Please select CAN communication speed according to the actual application,
transfer distance, delay time, electromagnetism interference and others should be
considered. The default value of Baud rate is recommended to be 500K.
3.1.2.5 Terminal Definition
Power/CAN bus terminal
Number Identification
1
+24V
2
CANH
3
EARTH
4
CANL
5
GND
➢ When CAN expands, twisted shielded pair is recommended to use, and the shield
connects with the ground.
Terminal Wiring
(Please use tubular pre-insulated terminals and wire cable that is suitable to wire path
to do user terminal wiring)
→Cable production steps:
➢ Strip the cable insulation, the exposed copper part depends on the size of the tube-
type pre-insulated terminal.
➢ Pass the conductor part of the cable into the tubular pre-insulated terminal and
crimp it with a crimping pliers.
→Wire cable connection steps:
➢ Press the spring of the terminal to insert the cable with the tubular pre-insulated
terminal into the port.
➢ Loosen the spring of the terminal, pull the cable lightly to check whether the cable
is firmly connected.
3
Type
Power Positive Pole
CAN bus
Safety ground
CAN bus
Power ground
20
ZMIO300 Series Hardware Manual Version 1.8
1 MKbps
Function
24V power positive pole input
CAN differential data H
Safety ground / shielded layer
CAN differential data L
24V power negative pole input
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