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Can RTC and TDA be enabled at the same time?

Jamy 2 weeks ago in IQANdesign updated by Thomas Moberg (System support) yesterday at 9:08 a.m. 2

I'm adding a Axiomatic RTC controller with J-1939 to a legacy machine. When I revise the IQAN 6 software, can both the RTC and TDA be enabled at the same time without errors? If RTC and TDA are enabled and the external TDA (External RTC controller) is not present, will the MD4 default back to the internal RTC?

Still waiting for a response. 

Hello.

When you recive the TDA the MD4 will set its RTC to what it gets.

So it will not keep the old setting anywhere to go back to.

With the RTC enable it will keep the time set when restarted even if you dont get a new TDA.

If you do not have the RTC enabled and restart the MD4 it will revert back to using numerical loging untill it gets a new TDA.