Справочник Пользователя для Mitsubishi Electronics AJ65bt-r2
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MELSEC-A
7 USING FRAMES WHEN EXCHANGING DATA
7.5.2 Details of user registration frames
By preregistering the user registration frames in the EEPROM via the R2 buffer
memory, these frames can be used to check the transmission/reception data
transmitted or received with frames, and can be used for the transmission data during
monitor transmission.
memory, these frames can be used to check the transmission/reception data
transmitted or received with frames, and can be used for the transmission data during
monitor transmission.
(1) Characters that can be registered as user registration frames
Up to 200 user registration frames can be registered in the EEPROM.
(Register in frame No. 3E8
(Register in frame No. 3E8
H
to 4AF
H
(1000 to 1199)
The characters that can be registered as user registration frames include normal
characters and special characters. Up to 80 bytes of characters can be
registered.
characters and special characters. Up to 80 bytes of characters can be
registered.
Character
Details
Normal character
One byte of data for data code 00
H
to FE
H
.
These are the registration codes for the data codes to transmit and
receive the 00
receive the 00
H
to FE
H
data.
Special character
This is a special code designated with the registration code FF
H
and
a special character code shown in (2).
(Combination of FF
(Combination of FF
H
+ 00
H
to FF
H
)
(2) Designating a special character
Up to 80 bytes of characters, with a combination of normal characters (data code
01
01
H
to FE
H
) and special characters (refer to (a) to (d)) can be designated in the
user registration frame area (3E8
H
to 4AF
H
).
The method for designating special characters is shown below.
(a) Confirmation of special character
The special character is configured with the following arrangement.
FF
H
3rd byte and following
Special character code
Designated with special character code
1st byte
2nd byte