10 - 4 10 - 4
MELSEC-Q
10 DEDICATED INSTRUCTIONS
Function
(1) Data stored in the device designated in (S2) and succeeding devices are sent
according to the control data of the device designated in (S1) and succeeding
devices, via the on-demand function of the MC protocol of the module designated in
Un.
(S2)+ 0
+ 1
+ 2
b15
b0
to
Channel 1
Channel 2
QCPU
Q series C24
Send
Send
Channel to be
used is set by
the control data.
(2) Simultaneous execution of dedicated instructions
The following table lists the handling for when executing another instruction during
execution of the ONDEMAND instruction or executing the ONDEMAND instruction
during execution of another instruction in the same channel.
Instruction
1
Availability of
simultaneous
execution
Handling of simultaneous execution
ONDEMAND
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
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 ONDEMAND instruction, they are
not used in the same channel.
OUTPUT, PRR, INPUT, BIDOUT, BIDIN, BUFRCVS, CPRTCL
If the dedicated instructions above are used in the same channel with the
ONDEMAND instruction, the communication protocol setting error (7FF2
H
)
occurs. (Except for the BUFRCVS instruction)
Summary of Contents for GX Configurator-SC
Page 2: ......
Page 103: ...3 42 3 42 MELSEC Q 3 SPECIFICATIONS MEMO ...
Page 138: ...4 35 4 35 MELSEC Q 4 SETTINGS AND PROCEDURES PRIOR TO OPERATION MEMO ...
Page 397: ...App 24 App 24 MELSEC Q APPENDICES Connection example 3 Connection example 4 ...
Page 439: ...WARRANTY ...
Page 441: ......