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3. PROCEDURE UP TO DATA
COMMUNICATIONS DESCRIBED IN THIS GUIDEBOOK MELSEC
QnA
3.1.1
System configuration
The
following shows the data communications system configuration used in this guidebook.
L
34ACPL
P
AX42
( 6 4
point
A
- I
/
For
GPPQ function
xc
1
AY42
(64
points
Y40
Y7F
1
I
I
I
AJ71
I
QC24
I
I
I
I
(32
polnts) Vacant
I
Vacant
I
I
I
I
CH1
I
I
I
I
RS-232C
cable
External deuce
=II
Y4O-Y5F
Y6O-Y6F
X77
X76
X75
X74
X73
X72
X71
X70
Dlgital
switches
Dlgltal
switches
X7
X6
X5
X4
X3
X 2
=-x7
Step switch
X 6
X0,Xl
x1
x0
0 0
Pushbution switch (automatlc reset type)
x 2
3 - 2
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