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6.6 Trace
IR.LINK trace is started in the error stop mode (stop of trace at occurrence of an error) when the
CPU unit is reset or the LPU unit is reset and the power supply of each unit is recovered.
The trace data structure is shown below.
(1) Type
Table 6-6 Meaning of Each Type in the Trace Data
+00
+02
+04
+06
+08
20-byte data from beginning
of send or receive buffer in
physical layer
+1A
+1C
Timer counter value
(Lapse time from CPU reset)
+1E
Figure 6-4 Trace Data Structure
3010
I/O service transmission error
3030
Initialization service transmission error
4010
I/O service reception error
4030
Initialization service reception error
Type
Return code
Free
6-15
6 MAINTENANCE
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