[Dsg-hallc_controls] Current settings for SHMS & HMS magnets

[Mike Fowler]

Set points

Mike


On 7/30/2018 4:05 PM, Amanda Hoebel wrote:
> Hi Mike,
>
> Are the overshoot settings the set point of the overshoot or the amount by which the current will overshoot?
>
> Regards,
> Amanda
>
> ----- Original Message -----
> From: "Mike Fowler" <fowler at jlab.org>
> To: "dsg-hallc controls" <dsg-hallc_controls at jlab.org>
> Sent: Monday, July 23, 2018 4:24:10 PM
> Subject: Re: [Dsg-hallc_controls] Current settings for SHMS & HMS magnets
>
> PS. You can drop the "ec" & "ecS" from the tag names.
>
> Mike
>
> On 7/23/2018 4:19 PM, Mike Fowler wrote:
>> Hi,
>>
>> For the current setting for the HMS Quadruple magnets & SHMS magnets I
>> can provide the following variables.
>>
>> The target set currents will be:
>> These are signed variables, with the sign being the sign the power
>> supply is supposed to have.
>> You will use the absolute value to set the power supply. The sign can
>> be used to check the sign of the power supply.
>>
>> ecQ1_I_Target
>> ecQ2_I_Target
>> ecQ3_I_Target
>> ecSDI_I_Target
>> ecSHB_I_Target
>> ecSQ1_I_Target
>> ecSQ2_I_Target
>> ecSQ3_I_Target
>>
>> The overshoot settings if ramping up will be:
>> These are not signed.
>>
>> ecQ1_I_MOL
>> ecQ2_I_MOL
>> ecQ3_I_MOL
>> ecSDI_I_MOL
>> ecSHB_I_MOL
>> ecSQ1_I_MOL
>> ecSQ2_I_MOL
>> ecSQ3_I_MOL
>>
>> The target field for the HMS dipole NMR unit is:
>> This is signed. You will use the absolute value. The sign can be used
>> to check the sign of the power supply.
>>
>> ecDI_B_Target
>>
>> and the approximate current setting:
>> This is unsigned.
>>
>> ecDI_I_ApproxTarget
>>
>> If they find a location for the SHMS Dipole NMR, B & I values will be
>> provided.
>>
>> And for reference the desired spectrometer momenta are:
>> These are signed.
>>
>> HMS_Momentum
>> SHMS_Momentum
>>
>> Cheers,
>> Mike
>> _______________________________________________
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>> Dsg-hallc_controls at jlab.org
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>
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