App-2
IM IS8000-62EN
Configuring the Devices
4.
Turn on the DL950 and ECU monitor.
Configuring the DL950
5.
Configure the DL950 as follows. For details on the setup procedure, see the DL950
ScopeCorder User’s Manual.
• External I/O terminal settings
External Sample Clock:Acquisition
Pulse Rate: Set it according to the measurement conditions.
• Trigger mode setting
On Start
• Time scale (T/div) and record length settings
Set the T/div and record length to set the DL950 monitoring time (T/div × 10 div).
* Set the monitoring time of the DL950 shorter than that of the ECU monitor.
(ECU monitor monitoring time: Pulse Rate shown above × used memory length on the ECU
monitor)
Configuring the ECU Monitor
6.
Configure the ECU monitor as follows: For details on the setup procedure, see the ECU
monitor (e.g., RAMScope) user’s manual.
• Configure the ECU monitor to measure in sync with an external sample clock.
• Set the ECU monitor monitoring time longer than that of the DL950.
Starting a Measurement
For the subsequent operations, refer to each manual.
7.
Start a measurement on the ECU monitor. The ECU monitor enters an external sample
clock signal standby mode.
8.
Press START on the DL950 to start a measurement.
A sample clock is output from the DL950 two the ECU monitor.
The ECU monitor starts acquiring RAM data in sync with the sample clock.
Stopping the Measurement
9.
Press STOP on the DL950 to stop the measurement.
The sample clock output stops, and the ECU monitor stops acquiring RAM data.
10.
Press the measurement stop button on the ECU monitor.
Saving the Data
11.
The DL950 waveform data is saved in .wdf format.
12.
The ECU monitor RAM data is saved in .mdf format.
Displaying the Saved Data on the IS8000
13.
On the IS8000, open the files saved in steps 11 and 12.
The waveform data and RAM data are displayed in the monitor window.
The time axes are aligned by aligning the FirstData points of the two data.
Appendix 1 Offline Synchronization and Data Acquisition
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