User`s manual

234
Remark
With a multidrop link, if the receive user frame inherent to each Q series C24 is connected to the link in advance, the Q
series C24 of a given station will store only the arbitrary data area of the message transmitted by the external device to the
receive data storage area.
CPU C24 CPU CPU
0A
;
;
;
1A
;
5A
;
;
5A
;
;
C24 C24
(0) (1) (5)
S
T
X
S
T
X
S
T
X
S
T
X
C
R
L
F
C
R
L
F
C
R
L
F
C
R
L
F
External
device
Arbitrary
data area
Data used by the external device
to indicate the transmission destination
( ): Station No.
Received by the station No.5 Q series C24.
(First frame)
(Last frame)
C24: Q series C24, QC24(N)
Data when a receive
frame is received at
each Q series C24