Page History

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June 10, 2022 dan morton, larry ruckman, matt weaver, nick waters, zach lentz, cpo, chris ford, mona

• dan has been interfacing with axilon (cologne, germany)
• stick with renishaw
• axilon designs brackets and cable routing and provides renishaw (
• digitized signal comes out
• lead times long
• encoder is in the FEE (just east of entrance on massive granite)
• need Larry/Matt/TID to do the custom timestamping: pcie with FMC and SFP for timing system
• what are the cable-length constraints?  maybe do a wave8-style box or a dev board (only one of these at the moment?)?  prefer dev board at the moment. comes out as PGP to KCU1500 in the DRP.
• do we need a second controls interface to this box?
  • requires an "IOC" (more work for controls group)
  • may make it easier for the scientists to use
• need to be able to reset the counter to zero (to get absolute-encoder style behavior)
• dan says MHz is overkill, but psana needs MHz.
• may need errors sent back to DAQ
• need to decide on a table-top model for TID prototype. looking at page 14 of the manual (and page 7, which shows max speed vs. clock and resolution)
  • Interpolation factor: RIX would like 1nm (20KD).  may decrease range?
  • Alarm format and conditions: A (line driven E output; all alarms)
  • Clocked output option: 50MHz
  • Options: A (This is what axilon suggested, Larry thinks he can adapt)
• cable going into Larry's box will be as on page 5 of the manual
• cable lengths on page 9 look good.
• diagram on page 9 of the manual shows the analog signal getting converted to digital by TONIC interface.  Larry needs to supply 5V.
• schedule (need to ask Georgi). mechanical install in January 2023.
• account numbers: ask Georgi

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