From: "Wendell Jordan"
Subject: Re: 2.5m obslog 20081107 (MJD 54778)
Date: Mon, 10 Nov 2008 15:25:01 -0700
Dan,
I just saw your email come in and I thought that I should tell you that we
saw the 100 lb. problem when we checked out the instrument lift first thing
this morning.  I rebooted the PLC and the instrument lift is now operating
properly in AUTO mode.
Wendell
----- Original Message -----
From: "Dan Long"
To:
Cc: ;
Sent: Monday, November 10, 2008 3:16 PM
Subject: Re: 2.5m obslog 20081107 (MJD 54778)
>    I looked through the tpm data for the times listed (thank you Dmitry
> and Howard) and found that the bits were essentially the same in both
> cases.  The interesting thing is that there are multiple sets of bits for
> height and force information on the lift.  B3.9, shows the lift force
> never exceeding 150 lbs.  However word B3.11 shows it going over 1100 lbs.
> If B3.9 were actually correct, the lift would not be able to pick up the
> cartridge.  Since it does go up, there is something wrong with the force
> numbers in B3.9.  This is presumably the force reading on the auto side.
>
>   When I get in tomorrow, I will check the plc.  It may be there is a bad
> module reading the force from the hand paddle, or it may be as simple as
> rebooting the plc to get it to reset the module.
>
> Cheers,
>
>   Dan
>
>
>>Hi Dan,
>>we tried it again in auto mode between 23:30 and 23:32Z. Same problem, it
>>doesn't go more than ~100 lbs. Then we switched to the manual mode and
>>successfully replaced a cartridge between 23:32 and 23:33Z.
>>Now we are operating in the manual mode.
>>
>>Dmitry
>>
>>
>>>      Try the auto mode again this afternoon.  If it doesn't work,
>>>  return to manual mode, and operate with caution as you did last
>>>  night.  Please note the time when the auto mode attempt is made, to
>>>  help narrow the time search in debugging.
>
>
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