Table of Contents
Advertisement
2. SYSTEM CONFIGURATIONS
MELSEC-A
2) Functions available when using a PC CPU
(b) lnterfaces used to set the no-protocol mode
Functions available when using an external device and
a
PC CPU
Available Functions
On-demand
(c) lnterfaces used to set the bidirectional mode
Functions available when using an external device and a PC CPU
Note
-
lnterfaces for Dedicated
Protocol
Data transmis-
sion to external
devices
RS-422
o
. .
Available Functions
RS-232C
o
Send
Receive
L
Note
To computers,
printers, and
CRTs.
From computers
and keyboards
lnterfaces for Dedicated
Protocol
PC CPU to
external device
External device
to PC CPU
I
I
I
RS-422
o
0
Note
Available Functions
Receive
RS-232C
o
0
To computers
Send
lnterfaces for Dedicated
Protocol
Computer to
PC CPU
RS-422
PC CPU to
computer
RS-232C
o
0
0
o
From computers
Advertisement
Table of Contents
