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RENIX Data Logger

the voltage reading may change the dwell time on the ignition coil. so it could be slowly burning out the coil by charging it longer than needed.

Nope, Ignition coils, at least the old style like the ones used on the XJ, are fully charged at full voltage, there is no dwell time on the coil charging side.

Did I miss part of the conversation earlier?
 
not sure how I missed this originally, but thanks to the OP for the linkage.

now I need to dig up a DB9 usb adatper from the random box.
 
Only a question.

The baud rate of COM port should be 9600?

Because if I'm not wrong, RENIX baud rate is 62500...

Lucio.
 
OK, so 9600 on com port.

Another question.

Why pin no.8 (sensor ground)?

If I'm not wrong, also pin no.7 (ground) can be used instead no.8

Right?
 
IT WORKS.

I'm using pin no.7 (Ignition Ground) on D2 connector instead of pin no.8 (sensor ground).

At the same time, I also connect to Ground (Ignition Ground) the cable shielding (the cable is the one used for home alarm, and has shielding).

I'll update you soon.

I've to check the reason of <5V on BATT VOLTAGE on the software.

Work in progress...
 
sorry for spamming, i solved problem.. problem was (for me) bad labeled button Save File in ViewLog app, mean start record, also, first click on "save file" that begin recording data, again click on save file or close. Better would be label on button Save File, "Start Record".
... I post here link my bad o2 sensor or air leak (o2 sensor not oscilating) and link to scheme and board in Eagle for rs232 interface
http://files.ma-elektro.eu/upload/renix_log.rar
http://files.ma-elektro.eu/upload/renix_board.rar
 
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