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IM DLM4038-02EN
Setting the Serial Bus (Setup)
Note
Handling of the CH8 terminal and LOGIC (L) Port
If you perform an analysis or execute a search when using the LOGIC (L) port for input, you cannot specify
CH8 as the source. Press the CH8 key in advance to enable input from the CH8 terminal.
Press the Setup soft key to display the following menu.
Auto Setup (Auto Setup)
Execute automatic setup
Stop auto setup.
Set the sync signal (CH1 to CH8,
X).
Set the data frame source (CH1 to CH8).
1.
Set the sync signal.
• Auto setup cannot be performed when the source is set to Math1 to Math4.
• When X is specified, sync signal is not detected. Therefore, sync noise rejection is set to OFF.
2.
Set the data frame source.
Auto setup cannot be performed when the source is set to Math1 to Math4.
3.
Press the Auto Setup soft key.
The DLM4000 will automatically configure the serial bus settings.
Bit rate, data length, error detection method, sync noise rejection, clock tolerance, number of slots, level,
and hysteresis are set automatically.
• When the sync signal (Sync) source is CH1 to CH8, the DLM4000 triggers on the rising edge of the sync
pulse.
• When the sync signal source is X, the DLM4000 triggers on the start bit of data frames.
While the serial bus is being configured, Auto Setup changes to Abort. If you want to stop, press the
Abort
soft key.
The auto setup feature will not work properly on some input signals.
12.7 Analyzing and Searching PSI5 Airbag Signals (Option)
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