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<== Date ==> <== Thread ==>

Subject: Re: StreamDevice processing issue
From: "Davis, Mark via Tech-talk" <[email protected]>
To: "Lucock, Richard M" <[email protected]>, "[email protected]" <[email protected]>
Date: Mon, 18 Mar 2019 14:28:02 +0000
Hi Richard,

The turbopump is an Edwards STP-iX3006.  The serial/Ethernet server is a 
Moxa NPort 6450.

Mark



Mark Davis NSCL/FRIB Control Systems Software Engineer [email protected]
On 3/18/2019 4:57 AM, Lucock, Richard M wrote:
> Hi,
>
>> I am working on a StreamDevice interface for an Edwards STP 
>> turbomolecular pump and am having a problem with processing of one of 
>> the longer replies.
>
>>
>> The problem appears to be that the ability to match a sequence of 
>> bytes for the "in" command when the bytes span multiple packets does 
>> not work for protocols that do not start with an "out" command (i.e. 
>> those linked to "I/O Intr" records).
>
>   Is this the SCU1600 controller ? We have a number of them running. I
> did have a problem with the controller occasionally delaying parts of
> the longer responses (resulting in packet splitting) but I found that
> a ReadTimeout of 150ms did the trick for us (100ms was just on the
> edge). Other than that, I've had no problems using the controller.
>
> Cheers,
>        Richard
>


References:
StreamDevice processing issue Davis, Mark via Tech-talk
Re: StreamDevice processing issue Lucock, Richard M via Tech-talk

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