Changes for page CFEL TapeDrive: Serial Crystallography
Last modified by chatzies on 2025-11-27 11:35
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... ... @@ -1,1 +1,1 @@ 1 -Serial Crystallography: CFEL TapeDrive 1 +14. Serial Crystallography: CFEL TapeDrive - Content
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... ... @@ -1,0 +1,374 @@ 1 +{{layout}} 2 +{{layout-section ac:type="single"}} 3 +{{layout-cell}} 4 +[[image:attach:TapeDrive_beschriftet-tile.jpg||height="250"]] 5 + 6 +\\ 7 + 8 +{{toc minLevel="2"/}} 9 + 10 +\\ 11 + 12 +== {{id name="14.SerialCrystallography:CFELTapeDrive-14.1Samplecharacteristicsandpreparation"/}}**14.1 Sample characteristics and preparation** == 13 + 14 +suspension of microcrystals, **at least** 200 µL with 20% crystal density(more is always better), size range: 2-30 µm, **tip:** bring some mother liquor for washing, filtering, diluting etc. 15 + 16 +Preparation: 17 + 18 +* filter through 30 µm cell filter (green) into Eppendorf or Falcon (original!) tube 19 + 20 +[[image:attach:20211201_095534.jpg||height="250"]] 21 + 22 +\\ 23 + 24 +== {{id name="14.SerialCrystallography:CFELTapeDrive-14.2ConnectingsampletoElveFlow,sampleexchange"/}}**14.2 Connecting sample to ElveFlow, sample exchange 25 +** == 26 + 27 +After filtration, screw the ElveFlow connector to your Eppendorf or Falcon tube. Make sure that the yellow-ish line goes to the bottom of your tube. You can adjust the length by unscrewing the blue fitting on top and pushing/pulling the yellow-ish line. **Don't forget to tigthen the blue fitting afterwards!** 28 + 29 +Be aware to which channel and nozzle line your sample is connected. 30 + 31 + Red → Channel 1, crystal line (nozzle capillary without marks/with red marks) 32 + 33 + Green → Channel 2, substrate line (nozzle capillary is marked in black) 34 + 35 +[[image:attach:20211201_095033.jpg||thumbnail="true" height="250"]] 36 + 37 +After finishing data collection, flush all lines by connecting an Eppi or syringe filled with ddH,,2,,O. 38 + 39 +[[image:attach:20211201_095232.jpg||height="250"]][[image:attach:20211201_095205.jpg||height="250"]] 40 + 41 +\\ 42 + 43 +== {{id name="14.SerialCrystallography:CFELTapeDrive-14.3TapeDriveoperation"/}}**14.3 TapeDrive operation 44 +** == 45 + 46 +The TapeDrive is controlled through kamzik. To open kamzik, start the server. A terminal will open and shortly after a small window. 47 +Now start the client. Same thing, a terminal will open, shortly after a small window. 48 + 49 +Click 'Devices' in the **client session** to open the control window. 50 +[[image:attach:screen.PNG||height="250"]][[image:attach:server client.PNG||height="250"]] 51 + 52 +==== {{id name="14.SerialCrystallography:CFELTapeDrive-Tape"/}}**Tape** ==== 53 + 54 +* Click on the 'main tape' icon 55 +* Change the velocity by typing anything from **0.3-3.0 mm/s** 56 +* Common velocity is 1.0-1.5 mm/s 57 +* kamzik displays the used tape in m and %. At 98% the tape will automatically stop since the rolls need to be exchanged at this point. 58 +\\ 59 +* [[image:attach:kamzik_tape.PNG||height="400"]] 60 + 61 +==== {{id name="14.SerialCrystallography:CFELTapeDrive-Samplenozzle"/}}**Sample nozzle** ==== 62 + 63 +* Click an the 'nozzle' icon. 64 +* ((( 65 +The nozzle position can be adjusted in xyz by clicking on the arrows up and down. (Double arrow = 10 steps). Step size can be varied, 1mm steps are rather big and should be used carefully. 66 +The absolute position is **not calibrated** and therefore changes after each restart of kamzik. 67 + 68 + 69 +(% style="color: rgb(255,0,0);" %)**!!! **(% style="color: rgb(255, 0, 0); color: rgb(0, 0, 0)" %)**During data collection make sure in which direction you are moving, do not move nozzle into beam**(% style="color: rgb(255,0,0);" %)** !!!**(%%) 70 +\\Adjust the nozzle position by eye until it nearly touches the tape and roughly meets the X-ray interaction point. Then, move to the control hutch to use the on-axis microscope for fine adjustment. Move the nozzle tip to the beam position (red X) and write down the absolut nozzle position. From there move the nozzle in +x to your desired distance.Different distances combined with the tape speed result in several delay times for time-resolved experiments. 71 + 72 +(% class="wrapped" %) 73 +|=((( 74 +\\ 75 +)))|=((( 76 +direction 77 +)))|=((( 78 +recommended step size 79 +for visual adjustment 80 +)))|=(% colspan="1" %)((( 81 +recommended step size 82 +during data collection 83 +))) 84 +|((( 85 ++x 86 +)))|((( 87 +away from X-ray interaction point 88 +)))|((( 89 +1.0 - 0.5 mm 90 +)))|(% colspan="1" %)((( 91 +0.1 - 0.2 mm 92 +))) 93 +|((( 94 ++y 95 +)))|((( 96 +up 97 +)))|((( 98 +1.0 - 0.5 mm 99 +)))|(% colspan="1" %)((( 100 +0.1 - 0.2 mm 101 +))) 102 +|((( 103 ++z 104 +)))|((( 105 +towards detector tower, away from tape 106 +)))|((( 107 +0.5 - 0.2 mm 108 +)))|(% colspan="1" %)((( 109 +0.1 - 0.2 mm 110 +be careful with -z, tape could be pushed out of focus 111 +))) 112 + 113 +** 114 +\\** 115 +))) 116 +* [[image:attach:kamzik_nozzle.PNG||height="400"]] 117 + 118 +==== {{id name="14.SerialCrystallography:CFELTapeDrive-Temperaturecontrol/Chiller"/}}**Temperature control/Chiller** ==== 119 + 120 +* The chiller circulates fluid through the gas nozzle. 121 + 122 +\\ 123 + 124 +==== {{id name="14.SerialCrystallography:CFELTapeDrive-Gasnozzle"/}}**Gas nozzle** ==== 125 + 126 +\\ 127 + 128 +==== {{id name="14.SerialCrystallography:CFELTapeDrive-IRcamera"/}}**IR camera** ==== 129 + 130 +\\ 131 + 132 +Once the hutch is interlocked, set remote control to the TapeDrive laptop by opening a terminal and executing the following command: 133 + 134 + xfreerdp +clipboard /size:1920x1080 /u:Cfelusr /v:cfeld-pcx22611 135 + password: //written on control laptop (changes every 6 months) 136 +// 137 + 138 +\\ 139 + 140 +\\ 141 + 142 +== {{id name="14.SerialCrystallography:CFELTapeDrive-14.5Taperollexchange"/}}**14.5 Tape roll exchange** == 143 + 144 +The tape stops automatically at 98% used length, if you need to change the rolls for orther reasons, stop the tape (velocity = 0.0 mm/s). 145 + 146 +* Remove the (almost) empty feeder roll by pulling it upwards. 147 +* Cut the tape with some cm overlap to glue to the new roll. **Do not discard empty roll!** 148 +* Get a new tape roll (bottom left on the cart). **Polypropylen 15 µm** 149 +* Cut the first cm of the new tape roll, directly behind the black sticky part. 150 +* Place new roll on roll holder and use sticky tape to attach the end of the old tape to the beginning of the new roll. 151 +* Open magnetic tape stabilizer on the **left side**. //!!!BEAMSTOP!!!// 152 +* Start the tape (3mm/s). Once the connetion side has arrived at the collector roll, stop the tape (0mm/s). 153 +* Again, cut the tape directly behind the connection side. Replace the the old roll with the **empty **one. Old roll can be discarded. 154 +* Attach new tape to the empty roll by using some sticky tape. 155 +* Close tape stabilizer. 156 +* Reset tape counter in kamzik by clicking "<Call>" in "Main-Tape". 157 + 158 +**[[image:attach:20211201_094101.jpg||height="250"]][[image:attach:20211201_094111.jpg||height="250"]][[image:attach:tape reset.PNG||height="250"]] 159 +** 160 + 161 +\\ 162 + 163 +\\ 164 + 165 +=== {{id name="14.SerialCrystallography:CFELTapeDrive-"/}}** 166 +** === 167 +{{/layout-cell}} 168 +{{/layout-section}} 169 + 170 +{{layout-section ac:type="single"}} 171 +{{layout-cell}} 172 +== {{id name="14.SerialCrystallography:CFELTapeDrive-14.7Chopper"/}}**14.7 Chopper** == 173 + 174 +start chopper gui from terminal: 175 + 176 +(% class="code" %) 177 +((( 178 + cd /gpfs/local/shared/ChopperControl 179 +))) 180 + 181 +(% class="code" %) 182 +((( 183 + python chopperControl.py 184 +))) 185 +{{/layout-cell}} 186 +{{/layout-section}} 187 + 188 +{{layout-section ac:type="two_equal"}} 189 +{{layout-cell}} 190 + [[image:attach:20211212_233140.jpg||height="250"]] 191 +{{/layout-cell}} 192 + 193 +{{layout-cell}} 194 +**Chopper → no Chopper** 195 + 196 +* decrease frequency by max. 10 Hz steps\\ 197 +** click arrow down 10x, "Set", arrow down 10x, "Set", .... 198 +* at frequency = 10 Hz, click "Stop" 199 +* set "Hole" to <none> (% style="color: rgb(255,0,0);" %)//Takes some minutes// 200 + 201 +(% style="color: rgb(0,0,0);" %)**no Chopper → Chopper** 202 + 203 +* (% style="color: rgb(0,0,0);" %)set "Hole" to <Inner hole (largest)> (% style="color: rgb(255,0,0);" %)//Takes some minutes// 204 +* (% style="color: rgb(0,0,0);" %)increase frequency by max. 10 Hz steps 205 +** (% style="color: rgb(0,0,0);" %)click arrow up 10x, "Set", arrow up 10x, "Set", ..... 206 +* (% style="color: rgb(0,0,0);" %)//usually 133 Hz, results in exposure time of 3.7 ms// 207 +{{/layout-cell}} 208 +{{/layout-section}} 209 + 210 +{{layout-section ac:type="single"}} 211 +{{layout-cell}} 212 +== {{id name="14.SerialCrystallography:CFELTapeDrive-14.8Datacollection"/}}**14.8 Data collection** == 213 + 214 +Once the hutch is interlocked, set remote control to the TapeDrive laptop by opening a terminal and executing the following command: 215 + 216 +(% class="code" %) 217 +((( 218 + xfreerdp +clipboard /size:1920x1080 /u:Cfelusr /v:cfeld-pcx22611 219 + password: written on control laptop (changes every 6 months) 220 +))) 221 + 222 + //>>usually the terminal is open, just repeat previous command with arrow up, enter and type in the password// 223 + 224 +\\ 225 + 226 +Click "Start" icon in kamzik. 227 + 228 +[[image:attach:kamzik_run-tile.jpg||height="400"]] 229 + 230 +---- 231 +{{/layout-cell}} 232 +{{/layout-section}} 233 + 234 +{{layout-section ac:type="two_equal"}} 235 +{{layout-cell}} 236 +**Check list:** 237 + 238 +(% style="color: rgb(255,0,0);" %)//always after entering the hutch!// 239 + 240 +* Open BS1 (//CrystalControl)// 241 +* Put collimator in (//CrystalControl)// 242 +* Check beamstop position = 27 000 (//Atk panel p11/motor/eh.3.09)// 243 +* Open fast shutter (//CrystalControl)// 244 +* Check diode voltage ~~ 0.0 (//kamzik Run/Diode voltage)// 245 +* Close fast shutter (//CrystalControl)// 246 + 247 +\\ 248 + 249 +**Set run parameters and go 🏃💥** 250 + 251 +1. Set your desired No. of frames 252 +1. Match exposure time with chopper setting 253 +1. Check trigger setting and match to chopper setting 254 +1. Set detector distance to 200.0 mm, confirm with //enter// and click "<Call>" button next to it. 255 +1. To start the run, click "<Call>" next to //exposure time// 256 + 257 +\\ 258 + 259 +(% style="color: rgb(153,51,102);" %)**//Current bug~://** 260 + 261 +(% style="color: rgb(0,0,0);" %)You need to "Stop" run in kamzik manually after all images have been acquired. This moves the shield up and closes the fast shutter. Afterwards you can start a new run by clicking "<Call>". 262 + 263 + 264 +(% style="color: rgb(0,0,0);" %)Check progress in terminal with: 265 + 266 +(% class="code" %) 267 +((( 268 + cd /gpfs/current/raw/scan_frames 269 + watch "ls -lrt <run number>/ | tail" 270 +\\\\\\\\ 271 +))) 272 +{{/layout-cell}} 273 + 274 +{{layout-cell}} 275 +(% class="wrapped relative-table" style="width: 100.0%;" %) 276 +|=((( 277 +Parameter 278 +)))|=((( 279 +explanation 280 +)))|=(% colspan="1" %)((( 281 +value 282 +))) 283 +|((( 284 +Images number 285 +)))|((( 286 +Set number of frames you want to collect 287 +)))|(% colspan="1" %)((( 288 +usually 100k - 200k, but adjust according to hitrate 289 + 290 +orientation: 10 % hitrate needs at least 100k images 291 +))) 292 +|((( 293 +exposure 294 +)))|((( 295 +exposure time of Eiger 296 + 297 +\\ 298 +)))|(% colspan="1" %)((( 299 +chopper at 133 Hz → 3.7 ms 300 + 301 +chopper at 66 Hz → 7.7 ms 302 + 303 +no chopper → 7.7 ms 304 + 305 +---- 306 +))) 307 +|((( 308 +run id 309 +)))|((( 310 +changes automatically 311 +)))|(% colspan="1" %)((( 312 +\\ 313 +))) 314 +|(% colspan="1" %)((( 315 +Detector distance 316 +)))|(% colspan="1" %)((( 317 +current detector postion readout 318 +)))|(% colspan="1" %)((( 319 +\\ 320 +))) 321 +|(% colspan="1" %)((( 322 +move_detector (distance) 323 +)))|(% colspan="1" %)((( 324 +Set detector distance 325 +)))|(% colspan="1" %)((( 326 +200.0 mm (% style="color: rgb(255,0,0);" %)confirm with //enter//, click "<Call>" 327 +))) 328 +|(% colspan="1" %)((( 329 +Diode voltage 330 +)))|(% colspan="1" %)((( 331 +read out of diode 332 +)))|(% colspan="1" %)((( 333 +**~~ 0 !!! higher values indicate missaligned beam stop!!! 334 +Call local contact 335 +** 336 +))) 337 +{{/layout-cell}} 338 +{{/layout-section}} 339 + 340 +{{layout-section ac:type="single"}} 341 +{{layout-cell}} 342 +---- 343 + 344 +== {{id name="14.SerialCrystallography:CFELTapeDrive-14.9Troubleshooting"/}}**14.9 Troubleshooting** == 345 + 346 +* ((( 347 +==== {{id name="14.SerialCrystallography:CFELTapeDrive-Tapestopped"/}}Tape stopped ==== 348 + 349 +* Tape roll empty? 350 +* motor connected (icon green)? 351 +))) 352 + 353 +\\ 354 + 355 +* ((( 356 +==== {{id name="14.SerialCrystallography:CFELTapeDrive-Nozzlemotorsarenotresponding"/}}Nozzle motors are not responding ==== 357 + 358 +* displayed in green=connected? 359 +* nozzle holder colliding somewhere? 360 +* motor limits reached? → position displayed in red 361 +))) 362 + 363 +\\ 364 + 365 +* ((( 366 +==== {{id name="14.SerialCrystallography:CFELTapeDrive-Sampleflowisnotrespondingtohigherpressure"/}}Sample flow is not responding to higher pressure ==== 367 + 368 +* channel turned on? 369 +* Sample empty? 370 +* Nozzle or lines clogged? → flush with water, change nozzle 371 +))) 372 +{{/layout-cell}} 373 +{{/layout-section}} 374 +{{/layout}}
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... ... @@ -1,1 +1,1 @@ 1 -23 50318141 +236824598 - Title
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... ... @@ -1,1 +1,1 @@ 1 -Serial Crystallography: CFEL TapeDrive 1 +14. Serial Crystallography: CFEL TapeDrive - URL
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... ... @@ -1,1 +1,1 @@ 1 -https://confluence.desy.de/spaces/11/pages/235 031814/Serial Crystallography: CFEL TapeDrive1 +https://confluence.desy.de/spaces/11/pages/236824598/14. Serial Crystallography: CFEL TapeDrive