Installation Guide

32
Con trol main boa rd o f
maste r unit
To cent ra lize d
con tr oller
(Op tion al)
The shield layer must
be g roun ded !
Com munica tion cab les m ust be laid out an d co nn ecte d in ser ies in th e b us
str uct ur e; ot herwise, faults may occur.
Control main board of IDU 1
Control main board of IDU 2
Communication
interface
Communication
interface
Communication
interface
Com munica tion line Com munica tion line
Com munica tion line