Mitsubishi Electric MELSEC-L Series - CHAPTER 5 SYSTEM CONFIGURATION

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CHAPTER 6 DATA LOGGING FUNCTION
6
6.2 Sampling of Target Data
(b) Step No. specification
Data are collected when the specified condition is met immediately before execution of the specified step. In
addition to "Step No.", set "Program name" and "Execution condition".
<Data are continuously collected while the condition is satisfied.>
Select an execution condition from the following.
• Always: Any time regardless of the operation status of the specified step
• When the specified condition is ON: Any time but only during operation execution of the specified step
• When the specified condition is OFF: Any time but not during operation execution of the specified step
When the specified condition is ON
<Data are collected only when the status is changed>
Select an execution condition from the following.
• When the specified condition rises: When the operation nonexecutable status of the specified step is
changed to the operation executable status
• When the specified condition falls: When the operation executable status of the specified step is changed
to the operation nonexecutable status
When the specified condition rises
Data are collected when the status immediately before execution of the specified step changes to the specified status.
Ex.
Specified condition
Executed
Specified step
Sampling
Condition
occurred
Not executed
Executed
Sampling
Not executed
Executed
Not executed
Ex.
Specified condition
Executed
Specified step
Sampling
Condition
occurred
Not executed
Executed
Not executed
Executed
Not executed
Data are not sampled because the status did
not change after the previous sampling.