ZMIO300 Series Hardware Manual Version 1.8
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3.1.2.6
Wiring Method
The relative GND of CAN bus communication two sides must be linked together,
or their master powers are supplied by the same power, otherwise, CAN might be
burnt out.
When multi ZCAN communication modules on the CAN bus, all relative CANH
and CANL of ZCAN communication module are connected together. For the last
ZCAN communication module’s dial switch, dial code 8 is dialed ON, no need to
operate other module’s code 8.
3.1.2.7
Malfunction Indication and Solution
Status Indication Light
Reason
Solution
POW
RUN
ERR
Light
Light
Light
CAN
communication
appears
abnormity.
Check if CAN bus terminal wiring is
corrected
Check if a 120Ω resistance is connected
between two sides
Check if several ZCAN communication
modules use the same hardware ID.
