Astronomy Site: Meade Advanced Products Users Group Archive: [M]: RE: Pictor 216 power supply


 

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Subject: [M]: RE: Pictor 216 power supply
From: Nikolidakis George
Reply To: mapug@shore.net
Date: Tue Feb 22 00:54:26 2000

While you're here, how about checking out the Astronomy Book List ?

Wes
Thanks for the answer
I measured the current that the camera needs for normal operation
and I found it about 500 to 700 MA
But I saw that at the start up the camera needs a large and instant
Current that exceeds the 3 amps. Because of this the current
limitation
Of my power supply acts (this is happen dropping its output voltage)

so the camera fail to initialize and hangs up.
Yesterday I bought from the market a power supply 14Volts 6Amps for $30
And everything seems to work fine.
I tried some daytime shoots and the camera works fine
The software doesn't hangs, as I was afraid, the download time doesn't
exceeds the 30 secs and my very first impression is positive.
Thanks for the flowchart I am sure it will be useful to me because
of the main usage of the camera , it will be for auto guiding.
George.



-----Original Message-----
Sent: Monday, February 21, 2000 8:11 PM
Subject: Pictor 216 power supply

George -

I doubt that the 3-amp limitation of your power supply is the issue; the
Meade AC-to-DC power supply is only rated at 2 amps.

Someone on MAPUG related a situation about six months ago regarding a
power supply that needed a large current draw to "kick-start" it on
startup (apparently due to one of the components drifting out of spec).

This may or may not relate to your problem.

Sorry I haven't been much help...

Wes

p.s. For an improved Pictor 200-series autoguiding flow chart, see:

http://home.pacbell.net/twerick/pictor.htm


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