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CHAPTER 3 CPU MODULE FUNCTIONS
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3.20 Sampling Trace
(5) Online operation of trace data
Before execution of a sampling trace, write the created trace setting to the CPU module.
[Debug] [Sampling Trace] [Write to PLC...]
The trace data written to the CPU module can be read.
[Debug] [Sampling Trace] [Read from PLC...]
(6) Executing a sampling trace
The following describes how to execute from a programming tool.
(a) Start
1. On the "Sampling Trace" window, enter devices to trace.
[Debug] [Sampling Trace] [Open Sampling Trace]
2. Select "Start Trace".
[Debug] [Sampling Trace] [Start Trace]
(b) Stop
When a trace is stopped, the number of traces counted is cleared.
(To resume the trace, select "Start Trace" again.)
[Debug] [Sampling Trace] [Stop Trace]
To clear the execution status, perform a remote latch clear operation. ( Page 111, Section 3.13.4)
To perform the trace operation again after the latch clear operation, select "Start Trace".
Set trace data.
Configure trend
graph setting.
Trace results are
displayed.
A trend graph is
displayed.
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