Table of Contents
Advertisement
1. GENERAL DESCRIPTION
MELSEC-A
2) When the connection ratio of the computer to the PC CPU
module is m:n:
This method of linking uses more than one computers and mul-
tiple PC CPU modules for up to
32
stations.
Data communications is executed between a computer (which
has acauired the access riaht throuah the communications with
other c&nputers) and designated
PIC
CPU stations.
This system is also called a multidrop link system.
E
l
(Station 128)
E
l
(Station 129)
E
l
(Station 134)
C
C
C
P
P
P
P
U
U
AJ71C24 (Station 1)
AJ71C24 (Station 2)
Max.
32 stations (Number of PC CPU stations)
*
I : The on-demand function and the data communications in the
bidirectional mode mentioned respectively in Section 1
.I
. I
(l)(b) and (2)(b) cannot be used with the multidrop link sys-
tems.
Advertisement
Table of Contents
