Mitsubishi MELSEC AJ65BT-R2 User Manual page 161

7 USING FRAMES WHEN EXCHANGING DATA
1) Designating to the buffer memory
The RX/RY/RW reference special characters are written directly after
the designating character.
(Example) To 123
FF DA 123
H H
RW designation: 123
2) Designating RX/RY/RW
The RX/RY/RW designation in the 3rd and 4th bytes of the RX/RY/RW
reference special characters are designated as follow.
∼
b15 b13 b12 b11
0
POINT
• During frame transmission or monitor transmission, if the results of analyzing
and developing the user registration frame containing a special character
exceeds 2048 bytes, the "transmission data size over error (BB92
•
When using a special character (special character code C0
designate the registration frame No., if the same registration frame No. is
designated in that designated registration frame, a special character cannot be
contained.
FF D0
H H
for RW, write as follows in the buffer memory.
H
Previous designation data
42
DA
H
01
H
(H)
∼
0/1
Device No.
For RX/RY, RW designation
The special character No. cannot contain the C0
C1 or D0 character in the registration frame indicated
H H
by RW designated with the RX/RY and RW designation.
7 - 27
MELSEC-A
Previous designation data
41 FF
H H
or
FF 23
H H
23 45
H H
(L) (H)
Previous designation data
b0
For RX/RY
Device type
designation
0 RY
1 RX
) will occur.
H
, C1 , D0
H H
,
H
42
H H
DA
H H
01
H H
(L)
For RW
designation
RWw
RWr
) to
H