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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Antenna motors - power consumption
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<blockquote data-quote="A Lancashire Lad" data-source="post: 989202" data-attributes="member: 402648"><p>I came across your thread I know it's old but I thought I'd add my comments. I've been having problems with rotor drive and it's comes up a lot over various forums. I don't believe the current draw figures that the manufactures quote its a bit like car manufactures quoting fuel mileage figures. also frustrated by the speed at which the Disqc rotors operate. Your circuit looks to inject an additional power source on the LNB motor input feed which means you don't need extra cable to the rotor, image to small to see properly. I've been looking at another possible option it would require extra 2 core cable to the motor. most of the rotors I have seen stripped on the internet use a DC motor (I don't think any use stepper motors) and use two relays to switch the dc polarity to the motor. My idea was to use a separate DC power supply to feed the motor, would have to isolate the LNB voltage feed from the relay contacts. You could use a higher voltage so long as the motor was rated at that voltage. Which would increase the rotation speed of the dish and speed would not be dependent on LNB polarity. </p><p>Just to say it's only an idea it should work but I've not tried it, I don't have a spare rotor to play with. If you want to try it you do so at your own risk!</p></blockquote><p></p>
[QUOTE="A Lancashire Lad, post: 989202, member: 402648"] I came across your thread I know it's old but I thought I'd add my comments. I've been having problems with rotor drive and it's comes up a lot over various forums. I don't believe the current draw figures that the manufactures quote its a bit like car manufactures quoting fuel mileage figures. also frustrated by the speed at which the Disqc rotors operate. Your circuit looks to inject an additional power source on the LNB motor input feed which means you don't need extra cable to the rotor, image to small to see properly. I've been looking at another possible option it would require extra 2 core cable to the motor. most of the rotors I have seen stripped on the internet use a DC motor (I don't think any use stepper motors) and use two relays to switch the dc polarity to the motor. My idea was to use a separate DC power supply to feed the motor, would have to isolate the LNB voltage feed from the relay contacts. You could use a higher voltage so long as the motor was rated at that voltage. Which would increase the rotation speed of the dish and speed would not be dependent on LNB polarity. Just to say it's only an idea it should work but I've not tried it, I don't have a spare rotor to play with. If you want to try it you do so at your own risk! [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Antenna motors - power consumption
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