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| Servo Freq https://www.spirit-system.com/phpBB3/viewtopic.php?f=20&t=5873 |
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| Author: | dkpodder [ Sat 11. Nov 2023 11:23:38 ] |
| Post subject: | Servo Freq |
Hi, Upgrading servos to KST BLS915 V8, I'm just about to try a 760us cyclic setup. The servo programming tool takes Upper/Neutral/Lower settings, what is the upper and lower numbers? Do anyone know if theese servos do more than 333Hz, and do I need to select the 20_k in the servo programming tool? Best regards |
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| Author: | Mattes61 [ Sat 11. Nov 2023 12:58:25 ] |
| Post subject: | Re: Servo Freq |
Hello, this servo can only 333Hz and neutral signal at 1520 µs , why do think it can 760 µs ? With the KST1-Tool you can only set the neutral position and the left and right endpoints. The only information I found for KST1-Tool is in German, look at this: Attachment: Screenshot 2023-11-11 124112.png [ 135.87 KiB | Viewed 462 times ] Servoinformation: Attachment: Screenshot 2023-11-11 130220.png [ 227.4 KiB | Viewed 462 times ] |
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| Author: | dkpodder [ Sat 11. Nov 2023 13:55:14 ] |
| Post subject: | Re: Servo Freq |
Mattes61 wrote: Hello, this servo can only 333Hz and neutral signal at 1520 µs , why do think it can 760 µs ? With the KST1-Tool you can only set the neutral position and the left and right endpoints. The only information I found for KST1-Tool is in German, look at this: Attachment: The attachment Screenshot 2023-11-11 124112.png is no longer available Servoinformation: Attachment: The attachment Screenshot 2023-11-11 130220.png is no longer available Specs makes me think so: Attachment: IMG_2746.jpeg [ 350.74 KiB | Viewed 459 times ] Attachment: IMG_2747.jpeg [ 389.52 KiB | Viewed 459 times ] |
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| Author: | ZeXx86 [ Sat 11. Nov 2023 14:23:35 ] |
| Post subject: | Re: Servo Freq |
With 760us servo is not faster actually. Technically it could have lower precision. Theoretical speed improvement is with increased frequency. But here changing neutral value will not help. So you can leave 1520 and 333Hz. |
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| Author: | Mattes61 [ Sat 11. Nov 2023 14:26:38 ] |
| Post subject: | Re: Servo Freq |
Hello, really interesting, different languages different information ?! Unbelievable ! I find that strange... In the german manual there is no information about the change of mid signal... I think the only secure information is directly from KST or maybe an other user has this type of servos and changed the mid signal to 760µs - |
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| Author: | dkpodder [ Sat 11. Nov 2023 14:35:54 ] |
| Post subject: | Re: Servo Freq |
ZeXx86 wrote: With 760us servo is not faster actually. Technically it could have lower precision. Theoretical speed improvement is with increased frequency. But here changing neutral value will not help. So you can leave 1520 and 333Hz. ok, wouldn’t 760/560 be an improvement to 1520/333? I know it would cause less resolution, but would the increased freq be worth anything? |
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| Author: | ZeXx86 [ Sat 11. Nov 2023 14:43:48 ] |
| Post subject: | Re: Servo Freq |
Yes, 560Hz will help. I can see this is supported too now. |
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| Author: | dkpodder [ Sat 11. Nov 2023 14:54:11 ] |
| Post subject: | Re: Servo Freq |
ZeXx86 wrote: Yes, 560Hz will help. I can see this is supported too now. Thank you. So you would suggest going for 760/560? Wat will the low and high value be when going for 760us? |
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