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Version 71.1 by ahenkel on 2022-05-07 19:01
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1 {{layout}}
2 {{layout-section ac:type="single"}}
3 {{layout-cell}}
4 [[image:attach:TapeDrive_beschriftet-tile.jpg||height="400"]]
5
6 \\
7
8 {{toc minLevel="2"/}}
9
10 \\
11
12 ----
13
14 == {{id name="14.SerialCrystallography:CFELTapeDrive-14.1Samplecharacteristicsandpreparation"/}}**14.1 Sample characteristics and preparation** ==
15
16 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.
17
18 Preparation:
19
20 * filter through 30 µm cell filter (green) or 50 µm (yellow) into Eppendorf or Falcon (original!) tube
21
22 [[image:attach:20211201_095534.jpg||height="250"]]
23
24 \\
25
26 ----
27
28 == {{id name="14.SerialCrystallography:CFELTapeDrive-14.2ConnectingsampletoElveFlow,sampleexchange"/}}**14.2 Connecting sample to ElveFlow, sample exchange
29 ** ==
30
31 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!**
32
33 Be aware to which channel and nozzle line your sample is connected.
34
35 Red → Channel 1, crystal line (nozzle capillary without marks/with red marks)
36
37 Green → Channel 2, substrate line (nozzle capillary is marked in black)
38
39 [[image:attach:20211201_095033.jpg||thumbnail="true" height="250"]]
40
41 After finishing data collection, flush all lines by connecting an Eppi or syringe filled with ddH,,2,,O.
42
43 [[image:attach:20211201_095232.jpg||height="250"]][[image:attach:20211201_095205.jpg||height="250"]]
44
45 \\
46
47 ----
48
49 == {{id name="14.SerialCrystallography:CFELTapeDrive-14.3TapeDriveoperation"/}}**14.3 TapeDrive operation
50 ** ==
51
52 The TapeDrive is controlled through kamzik. To open kamzik, start the server. A terminal will open and shortly after a small window.
53 Now start the client. Same thing, a terminal will open, shortly after a small window.
54
55 Click 'Devices' in the **client session** to open the control window.
56 [[image:attach:screen.PNG||height="250"]][[image:attach:server client.PNG||height="250"]]
57
58 ==== {{id name="14.SerialCrystallography:CFELTapeDrive-Tape"/}}**Tape** ====
59
60 * Click the 'main tape' icon
61 * Change the velocity by typing anything from **0.3-3.0 mm/s**
62 * Common velocity is 1.0-1.5 mm/s
63 * 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.
64 \\
65 * [[image:attach:kamzik_tape.PNG||height="400"]]
66
67 ==== {{id name="14.SerialCrystallography:CFELTapeDrive-Samplenozzle"/}}**Sample nozzle** ====
68
69 * Click on the 'nozzle' icon.
70 * (((
71 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.
72 The absolute position is **not calibrated** and therefore changes after each restart of kamzik.
73
74
75 (% 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);" %)** !!!**(%%)
76 \\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.
77
78 (% class="wrapped" %)
79 |=(((
80 \\
81 )))|=(((
82 direction
83 )))|=(((
84 recommended step size
85 for visual adjustment
86 )))|=(% colspan="1" %)(((
87 recommended step size
88 during data collection
89 )))
90 |(((
91 +x
92 )))|(((
93 away from X-ray interaction point
94 )))|(((
95 1.0 - 0.5 mm
96 )))|(% colspan="1" %)(((
97 0.1 - 0.2 mm
98 )))
99 |(((
100 +y
101 )))|(((
102 up
103 )))|(((
104 1.0 - 0.5 mm
105 )))|(% colspan="1" %)(((
106 0.1 - 0.2 mm
107 )))
108 |(((
109 +z
110 )))|(((
111 towards detector tower, away from tape
112 )))|(((
113 0.5 - 0.2 mm
114 )))|(% colspan="1" %)(((
115 0.1 - 0.2 mm
116 be careful with -z, tape could be pushed out of focus
117 )))
118
119 **
120 \\**
121 )))
122 * [[image:attach:kamzik_nozzle.PNG||height="400"]]
123
124 ==== {{id name="14.SerialCrystallography:CFELTapeDrive-Temperaturecontrol/Chiller"/}}**Temperature control/Chiller** ====
125
126 * The chiller circulates fluid through the gas nozzle.
127
128 \\
129
130 ==== {{id name="14.SerialCrystallography:CFELTapeDrive-Gasnozzle"/}}**Gas nozzle** ====
131
132 \\
133
134 ==== {{id name="14.SerialCrystallography:CFELTapeDrive-IRcamera"/}}**IR camera** ====
135
136 \\
137
138 Once the hutch is interlocked, set remote control to the TapeDrive laptop by opening a terminal and executing the following command:
139
140 xfreerdp +clipboard /size:1920x1080 /u:Cfelusr /v:cfeld-pcx22611
141 password: //written on control laptop (changes every 6 months)
142 //
143
144 \\
145
146 \\
147
148 ----
149
150 == {{id name="14.SerialCrystallography:CFELTapeDrive-14.4Taperollexchange"/}}**14.4 Tape roll exchange** ==
151
152 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).
153
154 * Remove the (almost) empty feeder roll by pulling it upwards.
155 * Cut the tape with some cm overlap to glue to the new roll. **Do not discard empty roll!**
156 * Get a new tape roll (bottom left on the cart). **Polypropylen 15 µm**
157 * Cut the first cm of the new tape roll, directly behind the black sticky part.
158 * 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.
159 * Open magnetic tape stabilizer on the **left side**. (% style="color: rgb(255,0,0);" %)//!!!BEAMSTOP!!!//
160 * Start the tape (3mm/s). Once the connetion side has arrived at the collector roll, stop the tape (0mm/s).
161 * Again, cut the tape directly behind the connection side. Replace the the old roll with the **empty **one. Old roll can be discarded.
162 * Attach new tape to the empty roll by using some sticky tape.
163 * Close tape stabilizer.
164 * Reset tape counter in kamzik by clicking "<Call>" in "Main-Tape".
165
166 **[[image:attach:20211201_094101.jpg||height="250"]][[image:attach:20211201_094111.jpg||height="250"]][[image:attach:tape reset.PNG||height="250"]]
167 **
168
169 \\
170
171 \\
172
173 **
174 **
175 {{/layout-cell}}
176 {{/layout-section}}
177
178 {{layout-section ac:type="single"}}
179 {{layout-cell}}
180 ----
181
182 == {{id name="14.SerialCrystallography:CFELTapeDrive-14.5Chopper"/}}**14.5 Chopper** ==
183
184 start chopper gui from terminal:
185
186 (% class="code" %)
187 (((
188 cd /gpfs/local/shared/ChopperControl
189 )))
190
191 (% class="code" %)
192 (((
193 python chopperControl.py
194 \\\\
195 )))
196 {{/layout-cell}}
197 {{/layout-section}}
198
199 {{layout-section ac:type="two_equal"}}
200 {{layout-cell}}
201 [[image:attach:20211212_233140.jpg||height="250"]]
202 {{/layout-cell}}
203
204 {{layout-cell}}
205 **Chopper → no Chopper**
206
207 * decrease frequency by max. 10 Hz steps\\
208 ** click arrow down 10x, "Set", arrow down 10x, "Set", ....
209 * at frequency = 10 Hz, click "Stop"
210 * set "Hole" to <none> (% style="color: rgb(255,0,0);" %)//Takes some minutes//
211
212 (% style="color: rgb(0,0,0);" %)**no Chopper → Chopper**
213
214 * (% style="color: rgb(0,0,0);" %)set "Hole" to <Inner hole (largest)> (% style="color: rgb(255,0,0);" %)//Takes some minutes//
215 * (% style="color: rgb(0,0,0);" %)increase frequency by max. 10 Hz steps
216 ** (% style="color: rgb(0,0,0);" %)click arrow up 10x, "Set", arrow up 10x, "Set", .....
217 * (% style="color: rgb(0,0,0);" %)//usually 133 Hz, results in exposure time of 3.7 ms (technical exposure will always be 7.7 ms, since max. frame rate is 133 Hz
218 //
219 {{/layout-cell}}
220 {{/layout-section}}
221
222 {{layout-section ac:type="single"}}
223 {{layout-cell}}
224 ----
225
226 == {{id name="14.SerialCrystallography:CFELTapeDrive-14.6Datacollection"/}}**14.6 Data collection** ==
227
228 Once the hutch is interlocked, set remote control to the TapeDrive laptop by opening a terminal and executing the following command:
229
230 (% class="code" %)
231 (((
232 xfreerdp +clipboard /size:1920x1080 /u:Cfelusr /v:cfeld-pcx22611
233 password: written on control laptop (changes every 6 months)
234 )))
235
236 //>>usually the terminal is open, just repeat previous command with arrow up, enter and type in the password//
237
238 \\
239 {{/layout-cell}}
240 {{/layout-section}}
241
242 {{layout-section ac:type="two_left_sidebar"}}
243 {{layout-cell}}
244 **Check list:**
245
246 (% style="color: rgb(255,0,0);" %)//always after entering the hutch!//
247
248 (% style="color: rgb(0,0,0);" %)Click "Run" icon in kamzik.
249
250 * Put collimator in
251 ** Put detector distance 200 in //prepare_for_measurement (      )
252 //
253 ** Click "<Call>" next to //prepare_for_measurement//
254
255 \\
256
257 * Open beam shutter BS1 in //CrystalControl //or// P11 XRayFeed //
258
259 \\
260
261 //**Set run parameters and go 🏃💥**//
262
263 1. Set your desired No. of frames
264 1. Match exposure time with chopper setting or set desired exposure time
265 1. Check trigger setting and match to chopper setting
266 1. To start the run, click "<Call>" next to //start_run (exposure    )//
267 {{/layout-cell}}
268
269 {{layout-cell}}
270 [[image:attach:Kamzik_run(2).PNG]]
271 {{/layout-cell}}
272 {{/layout-section}}
273
274 {{layout-section ac:type="single"}}
275 {{layout-cell}}
276 (% class="relative-table wrapped" %)
277 |=(((
278 Parameter
279 )))|=(((
280 explanation
281 )))|=(% colspan="1" %)(((
282 value
283 )))
284 |(((
285 Images number
286 )))|(((
287 Set number of frames you want to collect
288 )))|(% colspan="1" %)(((
289 usually 100k - 200k, but adjust according to hitrate
290
291 orientation: 10 % hitrate needs at least 100k images
292 )))
293 |(((
294 exposure
295 )))|(((
296 exposure time of Eiger
297
298 \\
299 )))|(% colspan="1" %)(((
300 chopper at 133 Hz → 7.7 ms (opening time will be 3.7)
301
302 chopper at 66 Hz   → 7.7 ms
303
304 no chopper            → 7.7 ms
305
306 ----
307 )))
308 |(((
309 run id
310 )))|(((
311 changes automatically
312 )))|(% colspan="1" %)(((
313 \\
314 )))
315 |(% colspan="1" %)(((
316 Detector distance
317 )))|(% colspan="1" %)(((
318 current detector postion readout
319 )))|(% colspan="1" %)(((
320 \\
321 )))
322 |(% colspan="1" %)(((
323 move_detector (distance)
324 )))|(% colspan="1" %)(((
325 Set detector distance
326 )))|(% colspan="1" %)(((
327 200.0 mm   (% style="color: rgb(255,0,0);" %)confirm with //enter//, click "<Call>"
328 )))
329
330 ----
331 {{/layout-cell}}
332 {{/layout-section}}
333
334 {{layout-section ac:type="two_equal"}}
335 {{layout-cell}}
336 **After data collection/Before entering the exp. hutch:**
337
338 1. Go to "Safety" in kamzik.
339 1. Click "<Call>" next to //prepare_to_open_hutch. //This will automatically:
340 11. Drive the collimator out
341 11. Drive the detector back to 1500 mm
342 1. Close beam shutter BS1 and break door interlock in //P11 XRayFeed //(monitor top left).
343
344 [[image:attach:Screenshot from 2022-04-04 19-36-29.png]]
345 {{/layout-cell}}
346
347 {{layout-cell}}
348 [[image:attach:safety_kamzik.PNG]]
349 {{/layout-cell}}
350 {{/layout-section}}
351
352 {{layout-section ac:type="single"}}
353 {{layout-cell}}
354 ----
355
356 == {{id name="14.SerialCrystallography:CFELTapeDrive-14.7Troubleshooting"/}}**14.7 Troubleshooting** ==
357
358 * (((
359 ==== {{id name="14.SerialCrystallography:CFELTapeDrive-Tapestopped"/}}Tape stopped ====
360
361 * Tape roll empty?
362 * motor connected (icon green)?
363 )))
364
365 \\
366
367 * (((
368 ==== {{id name="14.SerialCrystallography:CFELTapeDrive-Nozzlemotorsarenotresponding"/}}Nozzle motors are not responding ====
369
370 * displayed in green=connected?
371 * nozzle holder colliding somewhere?
372 * motor limits reached? → position displayed in red
373 )))
374
375 \\
376
377 * (((
378 ==== {{id name="14.SerialCrystallography:CFELTapeDrive-Sampleflowisnotrespondingtohigherpressure"/}}Sample flow is not responding to higher pressure ====
379
380 * channel turned on?
381 * Sample empty?
382 * Nozzle or lines clogged? → flush with water, change nozzle
383 )))
384
385 \\
386
387 * (((
388 ==== {{id name="14.SerialCrystallography:CFELTapeDrive-Simplonfilewriter/eigerstreamissues"/}}Simplon filewriter/eiger stream issues ====
389
390 * First, restart kamzik (server+client) and see if this solves the issue
391 * If not, restart the Simplon server (in Astor → haspp11exp03, right click on Simplon/EH.1 and restart)
392 * (((
393 If nothing works, kill the Simplon process and then start the server again:* (((
394 (% class="code" %)
395 (((
396 ssh haspp11exp03
397 )))
398 )))
399 * (((
400 (% class="code" %)
401 (((
402 ps -ef | grep Simplon
403 )))
404 )))
405 * (((
406 (% class="code" %)
407 (((
408 kill -9 simplon_process_id
409 )))
410 )))
411 )))
412 )))
413 {{/layout-cell}}
414 {{/layout-section}}
415
416 {{layout-section ac:type="single"}}
417 {{layout-cell}}
418 \\
419 {{/layout-cell}}
420 {{/layout-section}}
421 {{/layout}}