Subject: Re: [sloan-25mlog 4600] Re: 2.5m obslog 20190829 (SJD 58725)
From: John Downey
Date: Fri, 30 Aug 2019 09:56:53 -0600
> On Aug 30, 2019, at 9:05 AM, John Downey  wrote:
>=20
>>=20
>> ---- Observing Summary ----
>>=20
>> We discovered a bug within the new tcc code that slewed the telescope =
in azimuth
>> instead of the commanded altitude. The system may have been was =
running stale
>> commands issued earlier in the day. We will need to learn how to see =
if there
>> are commands in the queue, if there are delays issued, and how to =
cancel them.=20
>>=20
>> John came to the site to help with an impossible-to-kill process that =
was
>> preventing the MCP from moving the telescope.
>>=20
>> We were unable to relax the mirrors because we lost connection with =
the galils
>> and mirror controllers, and do not know how to re-establish the =
connection.=20
>=20
> I think the problem is that the mirrors needed to be homed first.  The =
galil screen on the tpm shows them unhomed.  Starting the test tcc shows =
mirror controllers connected and telneting to one (M1) I can move the =
mirror - we're replacing batteries and I like to set the migs to zero =
while the mirror is in the home position.
>=20
> I think once we do that and I home all the actuators it will relax ok.
Homed and relaxed M1.  Deferring M2 so that we can do tcc slew tests =
with the enclosure off.
>=20
> When we go to 5 to open for tcc test slews I'll reset the M2 mig that =
is hanging things up and home M2 also.
>=20
>>=20
>> We successfully connected with the engineering camera, but was unable =
to take
>> images because of a connection problem with the gcameraICC.=20
>=20
> Not sure yet what the trouble is with the engineering camera.  The =
gcam had a broken power connection this morning.
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