<p><br />
Moved pneumatic motor in and out several revolutions</p>
<p>Biased detector up to 100 V, I ~ 12.4 uA ambient temp c. 21 deg C</p>
<p>Moving detector in increased leakge current to ~14.5 uA, moving detector out dropped leakage current back to ~12.4 uA</p>
<p>aida05 - pulser width 21 chn (slightly lower than yesterday)</p>
<p>aida01 - pulser width 124 chn</p>
<p>aida02 - double peak (is not currently grounded)</p>
<p>aida03 - 183 chn</p>
<p>aida04 - 212 chn</p>
<p> </p>
<p>Attachment 1 1.8.L spectra p+n FEE64s</p>
<p>Attachment 2 per FEE64 rate spectra</p>
<p>Attachment 3 aida05 1.8.L, 1.8.W and rate spectra</p>
<p>Attachment 4 FEE64 temperatures - OK</p>
<p>Attachment 5 per FEE64 ADC data event stats - rates for aida01-aida04 significabtly lower than yesterday presumably due to detector bias -100V</p>
<p>Attachments 6 & 7 per FEE64 1.8.W spectra</p>
<p>Attachment 8 1.8.L spectra for n+n FEE64s</p>
<p>regrounded aida02 back to cryring ground - required removing star configuration of all fee grounds and making a new</p>
<p>aida05 - pulser width 30 chn </p>
<p>aida01 - pulser width 300 chn</p>
<p>aida02 - 220 -> double peak gone </p>
<p>aida03- 190</p>
<p>aida04 - 200</p>
<p>Perhaps star configuration isn't as tight as before - re tighten star section</p>
<p>Re tightened section -> no impact on pulser widths</p>
<p>Moved detector in using pneumatic -> no impact on pulser widths</p>
<p>Added a grounding cable from the 19 inch rack to the same CRYRING ground that the fees are connected too. Stats around 2-3k, slow comparator = 0x64, bias=100v, I=12.18 uA</p>
<p>aida01 ~ 260</p>
<p>aida02 ~ 177</p>
<p>aida03 ~ 178</p>
<p>aida04 ~ 187</p>
<p>aida05 ~28</p>
<p>Removed CRYRING ground. Fees and rack connected together still. </p>
<p>no change</p>
<p>Bias supply module is floating</p>
<p>ion pumps off, gauge off -> no change in waveforms, leakage current dropped to 8.7 uA</p>
<p>aida01 ~ 255</p>
<p>aida02 ~ 176</p>
<p>aida05 ~ 26</p>
<p>Removed all vacuum systems and motors power from 19 inch rack power. Connected to the rack are now: NIM bin, network switch, 2 inputs to mains relay, raspberrypi, pi dlink usb connector, VME crack</p>
<p>aida01 ~ 220</p>
<p>aida02 ~ 154</p>
<p>aida05 ~ 27</p>
<p>aida03 ~ 181</p>
<p>aida04 ~ 193</p>
<p>Moved power cable for 19 inch rack to CRYRING 'clean' power source</p>
<p>aida03 ~ 211</p>
<p>aida04 ~ 212</p>
<p>aida01 ~ 317</p>
<p>aida02 ~ 215</p>
<p>aida05 ~ 29</p>
<p>Reconnected CRYRING ground </p>
<p>aida01 ~ 301</p>
<p>aida02 ~ 203</p>
<p>aida05 ~ 28</p>
<p>aida03 ~ 181</p>
<p>aida04 ~ 191</p>
<p>Current status 17:00:<br />
All CARME vacuum equipment is off (turbo, SIP power modules, NEG power modules, gauges) - roughing pump is on but is valved off from the turbo which is valved off from chamber</p>
<p>Motors and motors pi are off. Detectors are fully out and the pin has been reinserted. </p>
<p>Bias ON 100V, 8.5 uA. Pulser ON, all equipment connected to 19 inch rack power ON. Jumper is on link 1 for nn bias adaptor card only. </p> |