IO.
COMMUNICATIONS
IN
THE BIDIRECTIONAL
MODE
MELSEGA
10.4
Bidirectional Control Procedure Basics
(1) Transmitting data from an AJ71C24 to a computer
~~
Computer
AJ71
C24
Area
A
(a) Area
A:
Data send from an AJ71C24 to a computer
(b)
Area
8:
Data send from a computer to an AJ71C24
(c) Write a program
so
that data is transmitted from left to right.
(Example: For area
A,
data is transmitted from
ENQ
to right)
(2)
Transmitting data from a computer to an AJ71 C24
Computer
I
i
AreaA
AJ71
C24
(a) Area
A:
Data send from a computer to an AJ71
C24
(b)
Area
B:
Data send from an AJ71C24 to a computer
(c) Write a program
so
that the data is transmitted from left to right.
(Example: For area
A,
data is transmitted from
ENQ
to
right)
10- 12
c
I
3
,n
td
1
'd
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
To Next Page
Loading...
