[Dsg-mvt] report- bonus target and FMT detectors

[Brian Eng]

Thanks.

Looks like someone already bumped it up from the previous values of 2 warn 3 fault to 3 warn 4 fault.

Hopefully that's enough to stay out of the nuisance alarms that have been happening.

> On Feb 21, 2020, at 11:23 AM, Nathan Baltzell <baltzell at jlab.org> wrote:
> 
> Put a “:set" on the end of the PV name.  This was requested to be a hidden feature, probably it should be in the documentation on this gas system.
> 
> 
>> On Feb 21, 2020, at 11:20, Brian Eng <beng at jlab.org> wrote:
>> 
>> Maxime,
>> 
>> We tried changing the value through EPICS, but it didn't stay.
>> 
>> clasrun at clonsl2:clasrun> caget B_DET_FMT_GAS_FLOWDIFF_WRN_LVL
>> B_DET_FMT_GAS_FLOWDIFF_WRN_LVL 2
>> clasrun at clonsl2:clasrun> caput B_DET_FMT_GAS_FLOWDIFF_WRN_LVL 2.8
>> Old : B_DET_FMT_GAS_FLOWDIFF_WRN_LVL 2
>> New : B_DET_FMT_GAS_FLOWDIFF_WRN_LVL 2.8
>> clasrun at clonsl2:clasrun> caget B_DET_FMT_GAS_FLOWDIFF_WRN_LVL
>> B_DET_FMT_GAS_FLOWDIFF_WRN_LVL 2
>> 
>> Is this something that has to be done on the PLC itself? If so, is it something we (JLAB) can change?
>> 
>>> On Feb 21, 2020, at 10:31 AM, Bob Miller <rmiller at jlab.org> wrote:
>>> 
>>> The FMT flow sensors on their gas panel are triggering the alarms.
>>> 
>>> The inflow is 3.9 l/h, out flow is only 2 l/h, and the alarm is set at 2 l/h differential.
>>> 
>>> The outflow has been decreasing since Feb 15th.  I will check the outflow line at the gas pad.
>>> 
>>> Bob
>>> 
>>> 
>>> On 2/21/2020 10:12 AM, Brian Eng wrote:
>>>> Wouldn't that be a detector rather than a gas supply problem then?
>>>> 
>>>>> On Feb 21, 2020, at 10:11 AM, Yuri Gotra <gotra at jlab.org> wrote:
>>>>> 
>>>>> FYI: info on B_DET_FMT_GAS_STAT from Nathan.
>>>>> 
>>>>> 
>>>>> -------- Forwarded Message --------
>>>>> Subject:	Re: report- bonus target and FMT detectors
>>>>> Date:	Fri, 21 Feb 2020 10:09:14 -0500
>>>>> From:	Nathan Baltzell <baltzell at jlab.org>
>>>>> To:	Yuri Gotra <gotra at jlab.org>
>>>>> 
>>>>> 
>>>>> It’s from the Saclay PLC. Both general and flow differential statuses are blipping on its GUI. Specifically, B_DET_FMT_GAS_FLOWDIFF is the guy, it’s archived. It’s calculated as INFLOW-(OVRFLOW+OUTFLOW), also archived, which are raw measurements by the PLC.
>>>>> 
>>>>> -Nathan
>>>>> <gotra.vcf>
>>> 
>>> -- 
>>> Bob Miller
>>> Hall B Lead Engineer
>>> Jefferson Lab
>>> 757 822-9586
>>> 
>>> 
>> 
>