CHAPTER 2 PREPARATIONS
2-8
Communications unit connection diagram
Host computer
RS232C : 25P
E5EN
•
! 1 '&&+"'& "*
•
! %."%,% $ $& +! "* % * +! 1 '(+"$ "&+)
$ * & .+&*"'& $ " &**)/
•
* *!"$ +-"*+ (") $ %"&
•
!& +! 1 "* %',&+ "& +! ') '%%,&"+"'&* '&1
&+ +! '%%,&"+"'&* $ +' +)%"&$ '* &
11
12
B(+)
A(-)
RSĆ485
Communications unit connection diagram
Terminator(120
Ω
, 1/2 W)
Host computer
RSĆ485
Shieldedcable
E5EN (No.1)
Abbr.
A<B : 1" mark
A>B : 0" space
E5EN (No.31)
No
A (-)11
B (+)12
Abbr.
No
A (-)12
B (+)11
Ć
+
FG
RSĆ485
RSĆ485
•
! 1 '&&+"'& & "+!) ') ( +' ,&"+* "&$,"&
+! !'*+ '%(,+) & '&&+ * *!"$ +-"*+ (") $
%"& & #( +! +'+$ $ $& +! +' -"+!"& %
Cable reference diagram
AWG28 min.
Conductor area crossĆsection
0.08042mm
2
min.
F
Communications
(RS-485)
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