Mitsubishi Electronics AJ65bt-r2 ユーザーズマニュアル
7 - 8
MELSEC-A
7 USING FRAMES WHEN EXCHANGING DATA
7.3.1 Reception data
The arrangement of data when frames are received is shown below.
(1) Reception data arrangement
The statement when receiving data with frame reception, can be received only
with the group 1 (1) to 4)) or group 2 (5) to 7)) data arrangement shown in the
following combination table.
Thus, the reception head/end frame No. designation (
with the group 1 (1) to 4)) or group 2 (5) to 7)) data arrangement shown in the
following combination table.
Thus, the reception head/end frame No. designation (
R 2
108
H
to 10B
H
,
R 2
10C
H
to 10F
H
) setting must be carried out with group 1 or group 2.
R2
Reception statement
Head frame Random data End frame
External
device
device
Combination
Registration frame
(reception head
frame)
Random data
section
Registration frame
(reception end
frame)
Group No.
1)
2)
2)
–
3)
–
4)
–
–
1
5)
–
6)
–
–
7)
–
–
2
: Data received – : No data received
If both group 1 and group 2 (for example, 1), 2) and 5)) are designated with the
head frame or end frame combination designated for the reception head/end
frame No. designation (
head frame or end frame combination designated for the reception head/end
frame No. designation (
R 2
108
H
to 10B
H
,
R 2
10C
H
to 10F
H
), only the
reception data for group 1 will be received and processed.
The reception data for group 2 will be ignored or may not be correctly received
and processed.
The reception data for group 2 will be ignored or may not be correctly received
and processed.