2:N Ratio Of External Devices To Pc Cpus - Mitsubishi Electric AJ71QC24 Manual

2, SYSTEM CONFIGURATION
MELSEC QnA
2.1.3 2:n ratio of external devices to PC CPU
2 :1 configuration
(This configuration combines two 1 ; I external device to PC CPU systems.)
RS
External devlce
1 1 1
-232C i n t e r f a c e ) e %
\
= I /
\
= I / A
External device
RS-232C interface
'RS-422/485 interface
QC24 Functions That Can be Used
1
L
I
Dedicated protocol
0 0
0
Bidirectional protocol Non procedure protocol
Fig. 2.3 System Configuration (111)
2 - 3