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3 SPECIFICATIONS
Message Communication
Request (Y12)
Message Communication
Completion (X02)
Message Communication
Error Signal (X05)
3 - 8
(3) Message Communication Completion (X02), Message
Communication Error Signal (X05), Message Communication
Request (Y12)
These signals are used for message communication. Execute each signal action
when Master Function Communication Status (address: 01B0
(C0
)" or "STOP (40
H
POINT
For message communications, the master function parameters must be set.
If the master function parameters have not been set, a message connection is
opened using message group 1.
(a)
After setting command data in Message Communication Command
(address: 0110
is set to ON, message communication is started.
(Allow an interval of 100ms or more between turn-ON actions of Message
Communication Request (Y12).)
(b)
Upon completion of a message communication, the processing result is
stored in Message Communication Result (address: 0120
Message Communication Completion (X02) is set to ON.
When failed, Message Communication Error Signal (X05) is set to ON.
(c)
Setting Message Communication Request (Y12) to OFF causes Message
Communication Completion (X02) and Message Communication Error
Signal (X05) to turn OFF.
Message comm.
Message comm.
data
command
(MOV/TO
(MOV/TO
instruction)
instruction)
(During data transmission only)
)".
H
to 011F
), when Message Communication Request (Y12)
H
H
MELSEC-Q
) is "OPERATE
H
to 012F
H
When failed
Message comm.
Message comm.
data
result
(MOV/FROM
(MOV/FROM
instruction)
instruction)
(During data reception only)
), and
H
3 - 8
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