----- Original Message -----
From: <chris1011@...>
To: <ap-gto@...>
Sent: Thursday, July 12, 2007 1:42 PM
Subject: Re: [ap-gto] Re: Anyone designed a limit switch or similar to prvent
pier col...

In a message dated 7/12/2007 12:17:18 PM Central Daylight Time,
J.Zeglinski@... writes:

relay mount
control by sending a voltage level to the auto guider port pins

WOOAA! Don't send any voltage to those pins. They need either an open
circuit
or closed circuit signal - NO VOLTAGE!!

Rolando


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