Mitsubishi L26CPU-BT, User Manual

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9. DEDICATED INSTRUCTIONS AND PROGRAMMING
POINT
Execute the dedicated instructions while the data link is being performed.
If any of the dedicated instructions is executed offline, no error will occur, but the
execution of the dedicated instruction will not be completed.
(2) Available devices
The following devices are available for the dedicated instructions:
Internal devices
Bit
1
Word
File register Constant
X, Y, M, L, F, V, B T, ST, C, D, W R, ZR —
1: Word device bit designation can be used for bit data.
Word device bit designation is done by specifying Word device . Bit No. .
(Bit numbers must be given in hexadecimal.)
For example, bit 10 of D0 is designated as D0.A .
However, bit designation is not allowed for timers (T), retentive timers (ST) and
counters (C).
(3) Precautions
(a) Precautions for using Monitoring time (SW0009) and
Dedicated instruction retry count setting (SW000B)
The Dedicated instruction retry count setting (SW000B) is applicable to
the following dedicated instructions. (Refer to Appendix 3.2)
Station executing dedicated instructions
Instruction
Master station Local station
G(P).RIRD
G(P).RIWT
G(P).RISEND
G(P).RIRCV
G(P).RIFR
G(P).RITO
G(P).RLPASET
: Applicable, : N/A
Set the Dedicated instruction retry count setting when the error completion
device turns ON due to noise. If this setting is made, frequency of this
turn-ON will be greatly reduced. Note that no retry is performed when the
target station has been disconnected at the time of dedicated instruction
execution.
Before execution of dedicated instructions, set the Monitoring time
(SW0009) and Dedicated instruction retry count setting (SW000B).
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