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From Andreas Vogler <andreas.vog...@me.com.INVALID>
Subject Re: Source Time of PLC Value?
Date Fri, 05 Mar 2021 21:00:25 GMT
Currently I use ModBus, but the goal is to support any kind of PLC4X driver …

My hope was that every PlcValue in PLC4X has a timestamp and a status … and if the protocol
does not support it, then the timestamp/status should be “undefined” ...


> On 05.03.2021, at 21:54, Julian Feinauer <j.feinauer@pragmaticminds.de> wrote:
> 
> This is not a simple questing and depends on the protocol and device you are using. What
are you using?
> 
> J
> 
> Von meinem Mobiltelefon gesendet
> 
> 
> -------- Ursprüngliche Nachricht --------
> Von: Andreas Vogler <andreas.vogler@me.com.INVALID>
> Datum: Fr., 5. März 2021, 21:04
> An: dev@plc4x.apache.org
> Betreff: Re: Source Time of PLC Value?
> Ah, forgot: and is there a status available? Valid/invalid/good/bad indicator of a plc
value?
> 
>> On 05.03.2021, at 21:02, Andreas Vogler <andreas.vogler@me.com.INVALID> wrote:
>> 
>> Hi,
>> 
>> How can I get the source time of a PlcValue?
>> 
>> a) from a subscription PlcSubscriptionEvent
>> b) from a read request  PlcReadResponse
>> 
>> Best regards,
>> Andreas
> 


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