[sdiy] c&k on-on-on switches

[R. Drake]

and this non-ascii graphic, courtesy of mark vebos:

http://www.simple-answer.com/3_pos_switch.jpg

lbd


on 10/14/04 6:47 PM, Gene Stopp at gene at ixiacom.com wrote:

> based on the fine explanation below, you can make this into a sp3t switch by
> adding a jumper between 3 and 5. Then 2 becomes your common and you get the
> following three poles:
> 
> Position 1 = 2 connects to 6
> Position 2 = 2 connects to 4
> Position 3 = 2 connects to 1
> 
> 
> 
> - Gene
> 
> 
> 
> -----Original Message-----
> From: owner-synth-diy at dropmix.xs4all.nl
> [mailto:owner-synth-diy at dropmix.xs4all.nl]On Behalf Of Tim Parkhurst
> Sent: Thursday, October 14, 2004 3:40 PM
> To: 'gregory zifcak'; synth-diy at dropmix.xs4all.nl
> Subject: RE: [sdiy] c&k on-on-on switches
> 
> 
> Okay, those were the 7211 switches, right? If so, then look at the data
> sheet in the link again. On page two, it shows the interconnect sequence and
> pin numbers for the 7211 switch. The pins (looking from the bottom) are:
> 
> 
> 6     3
> 
> 5     2
> 
> 4     1
> 
> 
> And the sequence is:
> 
> Position 1 = 2 connect to 3, 5 connect to 6
> 
> Position 2 = 2 connect to 3, 5 connect to 4
> 
> Position 3 = 2 connect to 1, 5 connect to 4
> 
> Check the data sheet again, and you'll see the drawings showing the pin
> numbers the switch positions. Note that only one of the two sets of poles
> changes with each new switch position. I was kind of hoping for a more
> straightforward 1 to 4, 2 to 5, 3 to 6 sort of sequence, but I suppose these
> will still be useful.
> 
> 
> Tim (ordered a few of those buggers myself) Servo
> 
> "Imagination is more important than knowledge." - Albert Einstein
> 
> **********************************************
> 
> 
>> -----Original Message-----
>> From: gregory zifcak [mailto:zifcak at hotmail.com]
>> Sent: Thursday, October 14, 2004 3:00 PM
>> To: synth-diy at dropmix.xs4all.nl
>> Subject: [sdiy] c&k on-on-on switches
>> 
>> so,
>> 
>> i got my on-on-on switches from goldmine today, does anyone know which
> pins
>> are which? i'm used to standard on-off-on dpdt switches. if these are
>> similar, which are the two contacts for the center on position? if it's
> dpdt
>> and on-on-on, wouldn't it need 2 poles + 3 more pairs of throws? i found
>> this, but it didn't seem to help:
>> 
>> http://www.ittcannon.com/media/pdf/catalogs/Leaf/SW_toggle_7000.pdf
>> 
>> thanks for any clues,
>> greg
>> 
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