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2. SYSTEM CONFIGURATIONS
MELSEC-A
(2) The following tables list the functions available when the external
devices are linked with the PC CPU modules making a 2 :
n
configura-
tion.
(a) The interface used to set dedicated protocols 1 to
4:
1) Functions available when using external devices
Interfaces f o r Dedicated
Available Functions
Protocol
Note
Device memory
Extension file
register
Buffer memorv
AJ71
C24 of t i e
self
Special func-
tion module's
buffer memory
Sequence1
microcomputer
program
Comment
PC CPU
Global
Self-loopback
test
Readlwrite
I
o
I
o
Test
I
0
I
0
Test
Monitor
1
•
‹
1
0
Readlwrite
I 0 I 0
o
Readlwrite
l 0 l 0
o
Monitor
Readlwrite
I 0 I 0
Readlwrite
I
O
I
O
o
Readlwrite
1
o
I
o
o
Remote
RUN/STOP
I
1
PC CPU type
read
I
O
I
O
Input signal
(X)
ONIOFF
lncluding exten-
sion devices
Transmission
of received data
Including exten-
sion comments
0
0
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