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2. SYSTEM CONFIGURATIONS
MELSEC-A
2) Functions available when using a PC CPU
lnterfaces for Dedicated
Available
Functions
Protocol
I
,
I
Note
(b) lnterfaces used to set the no-protocol mode
Functions available when using external devices and a PC CPU
On-demand
Data transmis-
sion to external
devices
Available Functions
Send
(c) lnterfaces used to set the bidirectional mode
Functions available when using external devices and a PC CPU
4
o
Receive
Note
lnterfaces for Dedicated
Protocol
PC CPU to
external device
o
US-422
External device
to PC CPU
-
RS-232C
o
Available Functions
o
Send
Receive
o
Note
To computers
From computers
lnterfaces for Dedicated
Protocol
PC CPU to
computer
Computer to
PC CPU
To computers,
printers, and
CUTS.
o
US-422
o
o
From computers
and keyboards
US-232C
o
o
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