Products > Test Equipment
Rigol DS1054Z rotary encoder mod *works!*
retrolefty:
--- Quote from: 5ky on September 03, 2015, 03:46:35 pm ---I need to do something like this to my DP832A. It's like the steps on the encoder are about 1/3 of a step out of phase with the detents and makes it impossible to move voltage or current up/down one notch at a time because every 3rd or 4th turn it skips a digit. Really infuriating. |O
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I learned all about how crappy most Asian rotary encoders are with or without detents, they just raise additional problems.
I guess as some have stated lots of driver tweaking could probably save the day. However on my arduino experiments with encoders I came across a NOS optical encoder and what a difference. No having to deal with contact bounce. Firm but continuous knob torque. Night and day.
So while I don't yet have this DSO (yet, I'm an old analog scope guy) if I wanted to really improve the encoders I would swap them out with magnetic or optical encoders.
Howardlong:
--- Quote from: michaeliv on September 05, 2015, 05:33:14 am ---I replaced my encoder with this one : http://www.aliexpress.com/item/New-Arrival-3Pcs-6mm-D-Shaft-18-Position-360-Degree-Rotary-Encoder-w-Push-Button/32338458200.html
It's working fine in menus ( selecting triggering source for example ), but works in reverse when modifying values (increasing intensity, I2C trigger address, etc) - as in if I rotate it forward it actually decrements the value. Also, it's quite a bit taller than the original one.
Does anyone have a link where a matching rotary encoder can be purchased from ( deliverable to US ).
BTW how are people desoldering the rotary encoder ? For me it was a HUGE hassle & I ended up damaging the rotary encoder because I had trouble desoldering it.
Tip: Before installing the rotary encoder, I disassembled it and desensitized the clicking membrane to actuate around 180 grams-force instead of the default ~680 grams-force - this made a huge improvement in usability.
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The ALPS EC12E2424407 part I used works in the correct sense for intensity, I2C address etc.
The knob extends about 0.5mm further out than the others with he ALPS part: it's a plastic shaft so easily filed down slightly if aesthetically you can't cope with that: if you didn't know you wouldn't notice it, I haven't bothered.
It does apparently have slightly less push force than the others knobs too.
TMM:
Did mine today, used Alps EC12E2424407 as previously suggested. I only changed the menu encoder as the others rarely give me grief. I noticed that the shaft was about 0.75mm longer than the original encoder so I filed it down so it was exactly the same length before installing it. What i didn't notice was that the flat side of the Alps encoder shaft doesn't extend as far down as on the original, so the knob sat about 1mm proud. At this point I had the scope mostly back together and decided it was too hard/risky to try to modify the shaft with it mounted in the scope so I ground down the stop inside the knob instead which worked perfectly. It is sooo much nicer to use now, you'll wonder why you didn't think to do this earlier! Even the menu lag issue is mitigated slightly - if you want to go up 3 times then you just need to count 3 detents instead of arbitrarily turning it and having to watch the screen. Obviously, there is a software polling speed so if you turn it very quickly it'll miss some of the detents.
Penguin36:
--- Quote from: TMM on September 08, 2015, 02:51:19 am ---. It is sooo much nicer to use now, you'll wonder why you didn't think to do this earlier! Even the menu lag issue is mitigated slightly - if you want to go up 3 times then you just need to count 3 detents instead of arbitrarily turning it and having to watch the screen. Obviously, there is a software polling speed so if you turn it very quickly it'll miss some of the detents.
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Yes! The far better usability is worth the mod :-)
Howardlong:
--- Quote from: TMM on September 08, 2015, 02:51:19 am ---Did mine today, used Alps EC12E2424407 as previously suggested. I only changed the menu encoder as the others rarely give me grief. I noticed that the shaft was about 0.75mm longer than the original encoder so I filed it down so it was exactly the same length before installing it. What i didn't notice was that the flat side of the Alps encoder shaft doesn't extend as far down as on the original, so the knob sat about 1mm proud.
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FWIW, I measured the knob protrusion difference on mine with a feeler gauge and the new Alps one is 0.55mm (22mil) prouder.
Whether it's worth taking a file to it or not I'd guess is up to the beholder, I haven't done it, but never say never!
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