I guess it might be that Ten-Tec has a large stock of the encoders it
used which were likely the same for O, O-II, and Omni7. If so then they
are as per original I assume. If not NOS it would be good to know where
they are sourcing such apparently unobtainable items. Then again maybe
they just had the manufacturer build them 10,000 off.
Curious
Martin, HS0ZED
On 23/04/2020 22:27, Rodney Dewald via TenTec wrote:
Ten Tec use new encoders as used in the omni7+ that what they put in my orion
+
Sent from Mail for Windows 10
From: Gary Follett
Sent: Thursday, April 23, 2020 11:23 AM
To: Discussion of Ten-Tec Equipment
Subject: Re: [TenTec] O-II Encoder Part?
When I replace the encoders, I disassemble them and remove the spring that
makes the detent operate in stepwise fashion.
If you do not do that, some adjustments will double step.
It takes about 5 minutes each to do this.
Yes you need to use the longer ones.
The part number (Digikey) is PEC11L-4225F-S0015-ND
Gary
On Apr 23, 2020, at 12:58 AM, Martin Sole <hs0zed@gmail.com> wrote:
A couple of points worth noting.
All of the currently available encoders today that meet similar electrical and
mechanical specifications seem to be those with detents as opposed to the
smooth rotating encoders of the original encoders. I don't think I object to
that personally but something to maybe be aware of.
Though not ideal the encoders can be disassembled if your vision and tool kit
are up to it. This allows removal of the detent function followed by reassembly
of the encoder. It can be done though there are failure opportunities along the
way.
Secondly watch out for the shaft length. I forget exactly but I think only the
versions with the longest shaft length (25mm?) can be used.
The lower resolution 15ppr is I think the same as the original and better than
the higher resolution 20ppr with which you will need to crank the knob much
more for the same effect.
Knob removal is by pulling off the silver collar and then undoing the hex set
screw. Board removal requires undoing all 6 of the plastic collars.
Martin, HS0ZED
On 23/04/2020 03:31, Bernie Skoch via TenTec wrote:
I have decided it's time to replace the digital encoders on my Orion II.
I found an article on-line describing replacing the Orion I encoders, with a
reference to this part:
https://www.digikey.com/product-detail/en/bourns-inc/PEC11L-4225F-S0015/PEC11L-4225F-S0015-ND/4699180
Does anyone know if the encoders in the Orion II are the same ones used in the
Orion I?
Thanks & 73,
Bernie K5XS
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