Mitsubishi Electric AJ71C24-S6 User Manual page 257

10. COMMUNICATIONS IN THE BIDIRECTIONAL MODE
MELSEC-A
10.3 Programming Hints
10.3.1 System configuration and communications mode for bidirectional mode communications
D
(1)
System configuration and the
AJ71C24
mode setting
Data communications in the bidirectional mode is possible only in the
system where a computer and the
AJ71C24
are linked in a
1
:
1
ratio.
The mode setting switch in the
AJ71C24
should be set in any position
of
'1'
to
"8".
(2)
Usable with dedicated protocols
When data communications is executed in the bidirectional mode, data
communications using the dedicated protocol is possible with the other
interface.
Data communications using the bidirectional mode and the no-protocol
mode at the same time is not possible.
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