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10 - 19 10 - 19
MELSEC-Q
10 DEDICATED INSTRUCTIONS
1 When setting "Word/byte units designation" by GX Configurator-SC, set the
number of bytes when bytes are designated and set the number of words when
words are designated as the unit types.
2 The settings are done by either of the following:
• User
: Data set by the user before executing the BIDIN instructions.
• System : The programmable controller CPU stores the execution result of the
BIDIN instructions.
Function
(1) The function stores in the device designated
in (D1) and succeeding devices the
data received via the bidirectional protocol of the module designated
in Un, according
to the control data of the device designated
in (S) and succeeding devices.
(2) Simultaneous execution of dedicated instructions
The following table lists the handling for when executing another instruction during
execution of the BIDIN instruction or executing the BIDIN instruction during
execution of another instruction in the same channel.
Instruction
1
Availability of
simultaneous
execution
Handling of simultaneous execution
BIDOUT
BIDIN
The next instruction will be ignored until the active instruction has
been completed.
(However, simultaneous execution is available when channels to
be used are not the same.)
CSET
Dedicated instructions simultaneous execution error (7FF0
H
)
occurs in the dedicated instruction attempted later.
(However, simultaneous execution is available when channels to
be used are not the same.)
PUTE
GETE
BUFRCVS
BIDIN instruction and BUFRCVS instruction cannot be used at the
same time.
(However, simultaneous execution is available when channels to be
used are not the same.)
SPBUSY
UINI
Dedicated instructions simultaneous execution error (7FF0
H
)
occurs in the dedicated instruction attempted later.
: Available : Not available
1 Because the dedicated instructions listed below use a different
communication protocol from that for the BIDIN instruction, they are not
used in the same channel.
ONDEMAND, OUTPUT, PRR, INPUT, CPRTCL
If the dedicated instructions above are used in the same channel with the
BIDIN instruction, the communication protocol setting error (7FF2
H
) occurs.
Содержание GX Configurator-SC
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Страница 103: ...3 42 3 42 MELSEC Q 3 SPECIFICATIONS MEMO ...
Страница 138: ...4 35 4 35 MELSEC Q 4 SETTINGS AND PROCEDURES PRIOR TO OPERATION MEMO ...
Страница 397: ...App 24 App 24 MELSEC Q APPENDICES Connection example 3 Connection example 4 ...
Страница 439: ...WARRANTY ...
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