What is the wiring method in between parking guidance main controller to sub controller

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How to do wiring of parking guidance system main controller to sub controller

1 unit of Our Main controller support 4 line ultrasonic sensor wiring and each line can support about 30 unit of
ultrasonic sensors and the main controller is connecting to nod controller by using the can bus port which is H ,L,H,L

which is wiring one by one from H to H, L to L

Important notice
A)in this solution it need to use the rvv2*0.5 cable
B)If the controller is in the first and it requested to do the wiring from first main controller to the last controller from short circuit cap to short circuit cap
C)It request to set up the main controller physical address to 1 and nod controller physical address from 2 to 63
by pushing the address code button to on situation