[dsg-svt] MFC installation

[Brian Eng]

Nathan,

Can you change the heartbeat on the SVT gas screen from B_HW_CRIO_SVT_HEARTBEAT to B_HW_CRIO_SF_HEARTBEAT ?

Yuri,

A quick check shows that the control through EPICS work (albeit with up to a 1 sec lag between when the number is entered and the MFC will start to change flow, due to the 1Hz update rate) so you should have control & read-back now.

Keep in mind that the EPICS PV is considered the master flow setpoint so if the flow is changed through LabVIEW it will always revert to the EPICS value. This is slightly different from all the other detectors in that normally LabVIEW is considered the master.

----- Original Message -----
> From: "Brian Eng" <beng at jlab.org>
> To: "Yuri Gotra" <gotra at jlab.org>, "Bob Miller" <rmiller at jlab.org>
> Cc: "dsg-svt" <dsg-svt at jlab.org>
> Sent: Monday, January 29, 2018 10:44:31 AM
> Subject: Re: [dsg-svt] MFC installation

> Todd replaced the rotameter with the MFC (with an inline orifice to limit the
> flow).
> 
> I will add it to the gas system controls shortly.
> 
> ----- Original Message -----
>> From: "Yuri Gotra" <gotra at jlab.org>
>> To: "dsg-svt" <dsg-svt at jlab.org>
>> Sent: Monday, January 29, 2018 8:54:29 AM
>> Subject: [dsg-svt] MFC installation
> 
>> Due to accelerator schedule change, the hall went to restricted access.
>> Please install the MFC. Thank you