Mitsubishi Electric MELSEC Q Series User Manual page 441

8 DEDICATED INSTRUCTION
Control data
Device Item
(S) + 0 Execution type
Completion
(S) + 1
status
(S) + 2 Logging No.
(S) + 3
Saved file No.
(S) + 4
Function
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Set the execution type. (b8)
0: Deletes one saved file of logging data according to the setting made
in (S) + 3 to (S) + 4.
1: Deletes all saved files of logging data according to the setting made
in (S) + 3 to (S) + 4.
The status of the instruction completion is stored.
0 : Normal completion
Other than 0 : Abnormal completion (Error code) ( 2)
Set the logging data to be deleted with the corresponding No. set in the
logging setting.
1 to 64: Setting No. of logging data to be deleted
Set the saved logging data file to be deleted.
0 : The oldest file is deleted.
1 to FFFFFFFF : The specified saved file is deleted.
H
(Example) When deleting "00000010.CSV", set "00000010
1 The setting side is as follows.
• User : Data are set by the user before execution of the dedicated instruction.
• System : The execution result of the dedicated instruction is stored by the
programmable controller CPU.
2 Refer to Section 9.3 for the error code.
(1) The saved file of the logging data is deleted.
(2) Executing the same instruction during execution of the instruction is not allowed.
(The second instruction will not be processed.)
In this case, if an error is detected, the completion device ((D) + 0) and
completion status indication flag ((D) + 1) do not turn on.
(3) This instruction is not available for interrupt programs.
(4) The execution and normal/abnormal completion statuses of the LOGDEL
instruction can be confirmed using the completion device ((D) + 0) and
completion status indication flag ((D) + 1).
(a) Completion device ((D) + 0)
This device turns on in the END processing of the scan for which the
LOGDEL instruction is completed, and turns off in the next END
processing.
(b) Completion status indication flag ((D) + 1)
This device turns on/off according to the completion status of the LOGDEL
instruction.
Normally completed
Abnormally completed : Turns on in the END processing of the scan
Setting data
: Remains off.
where the LOGDEL instruction is completed, and
turns off in the next END processing.
MELSEC-Q
Setting
range
(As in the
left)
1 to 64
0
to
FFFFFFFF
H
".
H
Setting side
( 1)
User
System
User
User
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