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OK thats great news.</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Nathan Baltzell <baltzell@jlab.org><br>
<b>Sent:</b> Thursday, August 24, 2023 1:55 PM<br>
<b>To:</b> David Kashy <kashy@jlab.org><br>
<b>Cc:</b> Stepan Stepanyan <stepanya@jlab.org>; hallb-engineering@jlab.org <hallb-engineering@jlab.org>; Probir Ghoshal <ghoshal@jlab.org><br>
<b>Subject:</b> Re: Data logging of Hall B vacuum signals</font>
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<div class="" style="word-wrap:break-word; line-break:after-white-space">Hi Dave,
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<div class="">All but one of the PVs on the attached screenshot are already being archived, with the deadbands below.</div>
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<div class="">-Nathan</div>
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<div class="">B_TORUS:VAC:CG8100: host=opsmya9, active=1, request=1, type=6, size=1, deadband='2e-6' {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:CG8100TB: host=opsmya9, active=1, request=1, type=6, size=1, deadband='5%' {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:CG8101: host=opsmya9, active=1, request=1, type=6, size=1, deadband='2e-6' {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:CG8102: host=opsmya9, active=1, request=1, type=6, size=1, deadband='2e-6' {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:CG8103: host=opsmya9, active=1, request=1, type=6, size=1, deadband='2e-6' {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:CG8103_AVG10HR: host=opsmya9, active=1, request=1, type=6, size=1, deadband='2%' {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:CG8103_AVG1HR: host=opsmya9, active=1, request=1, type=6, size=1, deadband='2%' {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:CG8103_RATE: host=opsmya9, active=1, request=1, type=6, size=1, deadband='2%' {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:PV8100: host=opsmya9, active=1, request=1, type=3, size=1 {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:PV8101: host=opsmya9, active=1, request=1, type=3, size=1 {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:PV8105RB: host=opsmya9, active=1, request=1, type=3, size=1 {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:TB8100: host=opsmya9, active=1, request=1, type=6, size=1, deadband='1%' {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:TB8101: host=opsmya9, active=1, request=1, type=6, size=1, deadband='1%' {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:TC8100: host=opsmya9, active=1, request=1, type=6, size=1, deadband='5%' {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:TC8101: host=opsmya9, active=1, request=1, type=6, size=1, deadband='5%' {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:TC8102: host=opsmya9, active=1, request=1, type=6, size=1, deadband='5%' {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:TC8103: host=opsmya9, active=1, request=1, type=6, size=1, deadband='5%' {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:TC8103_AVG10HR: host=opsmya9, active=1, request=1, type=6, size=1, deadband='2%' {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:TC8103_AVG1HR: host=opsmya9, active=1, request=1, type=6, size=1, deadband='2%' {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:TC8103_RATE: host=opsmya9, active=1, request=1, type=6, size=1, deadband='5' {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:TC8104RP: host=opsmya9, active=1, request=1, type=6, size=1, deadband='5%' {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:TC8105: host=opsmya9, active=1, request=1, type=6, size=1, deadband='5%' {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:UPS_OnBatt: host=opsmya9, active=1, request=1, type=3, size=1 {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:XFER_SW: host=opsmya9, active=1, request=1, type=3, size=1 {TORUS_VACUUM}</div>
<div class="">B_TORUS:VAC:XFER_SW_CTRL not archived</div>
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<div class="">On Aug 24, 2023, at 8:39 AM, David Kashy <<a href="mailto:kashy@jlab.org" class="">kashy@jlab.org</a>> wrote:</div>
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Hi Nathan,</div>
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I'm not sure if you are still involved in this but I'm requesting that ALL Hall B Torus vacuum epics signals are data logged. These are allon the Torus Vacuum Controls - PLC GUI</div>
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My suggestion is that if a signal changes more than 10% in value the new value is logged. This should be plenty granular to see important changes and log events and yet not take too much data, because these are quite stablel signals. They typically jitter on
the 2<span class=""><sup class=""></sup><span class=""><sup class="">nd</sup><span class="x_Apple-converted-space"> </span>or 3<span class=""><sup class="">rd</sup><span class="x_Apple-converted-space"> </span></span></span>significant digit.</span></div>
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Thanks</div>
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Dave</div>
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