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But the one in question here has a 5 mm between the pins, 10mm accross
all three. That seems to be double the standard size. Meaning only the
Alpha ENC160 will fit... no? I would hate to have to build a new switch
board to hold a better encoder, but I will ;) It is a single sided
board, smaller than a eurocard.<br>
<br>
Mark<br>
<br>
<br>
<br>
Byron G. Jacquot wrote:<br>
<blockquote cite="mid42592914.1989.3F06B46@localhost" type="cite">
<blockquote type="cite">
<pre wrap="">I have an Akai S5000 with an encoder problem. When I turn it to the
right, sometimes everything is fine, sometimes the value goes down. I
took out the 21 screws and touched up the solder, but that didn't
help. I'm thinking I'll replace this thing, am I right to assume this
is the Alpha brand encoder (318-ENC160-24P) in the Mouser catalog?
anyone ever have this problem?
</pre>
</blockquote>
<pre wrap=""><!---->
I've seen this problem a few times, in several different.
It's usually due to a defect in the encoder design. If the encoder
output transistions and the mechanical detents all happen at the same
point, then as the detent mechanism wears out, it's messes up the
transitions on the output. I think the detents were becoming
slightly wider, making it so that the tactile "click" of the encoder
didn't relate the the output edges.
It reaches a point that whichever direction it's turned, the output
value only seems to go one direction...like a ratcheting mechanism.
I saw this happen to some cheap-o encoders in a matter of weeks.
The solution was to replace the cheap encoders with more expensive
ones, where the detents are halfway in between the output state
changes. I think we wound up using Alps encoders.
Byron Jacquot
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