In which unit is time represented?

[henneysq]

I've come to the conclusion that TIME is represented in nanoseconds, rather than milliseconds as it is typically. At least, when I convert a variable of TIME to e.g. LREAL, the resulting value is a factor $10^6$ greater than I expect.

E.g.:

VAR
    T_var: TIME := T#100ms;
END_VAR

puts(CONCAT(
    'T_var=', TIME_TO_STRING(T_var),
    ', converted=', LREAL_TO_STRING(TIME_TO_LREAL(T_filter))
));

Outputs:

T_var=100ms, converted=100000000.000000

Is this intentional?

[ghaith]

According to the standard, time is left to the implementer, but LTIME needs to be in nanosecconds. So early on we took the decision to make time just an alias for ltime.
As we focus on codesys compatibility this might still change. So we might eventually make time micro seconds and only keep ltime in nano seconds but I have no time-line/confirmation on that.

[henneysq]

Thanks a lot for the confirmation. I did not know it was up to the implementer. I'll handle any differences on my end.

[TheColonel2688]

In my codesys code base I stopped using Time along time ago, everything is LTIME. (I also only use LREALs)