5 DEBUG SUPPORT FUNCTION
5.1 Circuit Trace
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Circuit trace option setting
In the circuit trace option setting, the following two items can be set.
• Setting a start address and size of buffer area of C24 in which circuit trace data is stored (hereinafter, 'monitor buffer area')
• Setting whether the circuit trace is stopped or continued when the timer 0 error occurs
1. Select [Tool] [Intelligent Function Module Tool] [Serial Communication Module] [Circuit Trace] in Engineering
tool.
2. Click the [Options] button.
Item Display/setting content
Trace Result Currently Displayed Data Displays the model name, measurement time, and extraction date/time of the module on which the
circuit trace is executed.
[Find] button Searches the trace data.
Send/Receive Packet Select the display format of the send/receive packets.
The hexadecimal or ASCII code can be selected.
Communication control
signals
The RS(RTS), ER(DTR), DR(DSR), CS(CTS), and CD(DCD) signal status and reception error are
displayed as described below.
■RS, ER, DSR, CS, and CD signals
All signals are displayed with blue lines .
When signal is ON:
When signal is OFF:
When the obtained data does not have signal information, the signal is displayed as an OFF status.
■Reception Error
Three different errors of overrun error, parity error, and framing error are displayed.
Overrun error: (Green)
Parity error : (Light Blue)
Framing error: (Purple)
[Open Trace File] button Reads and displays the trace data saved in a personal computer.
[Save Trace File] button Saves the trace data obtained by the circuit trace to a personal computer.
[Close] button Closes the Circuit Trace screen.
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