Subject: Re: [sdss3-25mlog 924] Re: 2.5m obslog 20121112 (MJD 56244) From: Kaike Pan Date: Tue, 13 Nov 2012 16:58:58 -0700 Hi Jim, Sorry. I was trying to say ~ 3 sec delay. Playing safe, waiting 5 sec = should be enough. On Nov 13, 2012, at 12:41 PM, jegunn wrote: > If it is a timed `safety' issue, 30 seconds is FAR too long, and I = think is far from `safe'. When the cold observer releases an E-stop and = relays > that information, he/she knows the telescope is going to move. If the > telescope has to wait half a minute before moving, there is ample = opportunity for a cold and tired observer to get herself in a dangerous > situation again. So IMHO this needs fixing, even if one ignores the = non-negligible hit in efficiency. >=20 > --jim >=20 > On Tue, 13 Nov 2012, Kaike Pan wrote: >=20 >> I noticed that the "gotoField" command would fail if it is issued too = soon after a E-stop >> is released. So I consider it as a feature. But John P. can weight = on it if he can fix it >> as a bug. >>=20 >> The first command in "gotoField" is "axis init", then check to see if = all axes are ready >> for a telescope slew. If, not, the whole "gotoField" sequence will = fail immediately. Just for >> your information, in the past, we do "axis init" as a separate = command, then "gotoField". >> Occasionally, "gotoField" would fail if it is issue too soon. >>=20 >> -kaike >>=20 >> On Nov 13, 2012, at 6:59 AM, Joe Huehnerhoff wrote: >>=20 >>> Is this feature an implemented safety or is it a bug? >>>=20 >>> Joe >>>=20 >>> On Nov 13, 2012, at 6:56 AM, Kaike Pan wrote: >>>=20 >>>>=20 >>>> On Nov 13, 2012, at 5:54 AM, hjbrew@apo.nmsu.edu wrote: >>>>=20 >>>>>=20 >>>>> APACHE POINT OBSERVATORY SDSS 2.5M >>>>>=20 >>>>> OBSERVING LOG >>>>> Monday November 12, 2012 >>>>>=20 >>>>> (MJD 56244) >>>>>=20 >>>>> ---- Observing Team ---- >>>>>=20 >>>>> Karen Kinemuchi >>>>> Howard Brewington >>>>>=20 >>>>> ---- Observing Plan ---- >>>>>=20 >>>>> 12 Nov 2012 56244.0 0.05 01:14 12:22 21:41 08:51 BOSS 11.1 = hours >>>>>=20 >>>>> ---- Observing Summary ---- >>>>>=20 >>>>> Clouds and poor seeing for most of the night. >>>>>=20 >>>>> Observed: >>>>> --------- >>>>> Cart 10, 5033, BOSS, DONE >>>>> Cart 11, 6134, BOSS, DONE >>>>> Cart 13, 6187, BOSS, DONE >>>>> Cart 14, 5700, BOSS, not done >>>>> Cart 15, 6268, BOSS, not done >>>>> Cart 17, 5177, BOSS, not done >>>>> Cart 16, 6390, BOSS, DONE >>>>> Cart 18, 5767, BOSS, not done >>>>>=20 >>>>> 10:23Z started APOGEE cala >>>>> 12:40Z started BOSS dark/bias exposures >>>>>=20 >>>>> Notes for engCrew, swingShift, and developers >>>>> --------------------------------- >>>>>=20 >>>>> M1, Lateral F: 12.2809 12.2428 is on the edge of tolerance. = May need to >>>>> home/relax. We also noticed, after we closed, that we have red = values for M2 in >>>>> the TPM. >>>>>=20 >>>>>=20 >>>>> goToField failed on the first try for most of the night, e.g., = Carts 11, 13, 14, >>>>> 15, 16, and 18. >>>>>=20 >>>>=20 >>>> There is a time delay. Please wait ~30 sec after E-stop buttons are = pulled out before issue >>>> "gotoField". >>>>=20 >>>> _____________________________________________________ >>>> Message 922 of sdss3-25mlog - Logs of nightly APO activities. >>>> = https://trac.sdss3.org/tracmailman/browser/private/sdss3-25mlog/all/922.ht= ml >>>> sdss3-25mlog@sdss3.org >>>> https://sdss3.org/mailman/listinfo/sdss3-25mlog >>>=20 >>=20 >> _____________________________________________________ >> Message 924 of sdss3-25mlog - Logs of nightly APO activities. >> = https://trac.sdss3.org/tracmailman/browser/private/sdss3-25mlog/all/924.ht= ml >> sdss3-25mlog@sdss3.org >> https://sdss3.org/mailman/listinfo/sdss3-25mlog >>=20