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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Controlling a USALS motor with a USB tuner.
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<blockquote data-quote="Terryl" data-source="post: 1028958" data-attributes="member: 369937"><p>OK, I didn't see the external supply, but at 12 volts the motor will turn slower then normal, the standard Diseqc H to H motor uses the LNB power/ transponder switching voltage (13V/18V) supplied by the satellite receiver to run on, and most need around 180 to 200 mA of DC current when running, the startup current is even higher. (up to 350 mA)</p><p></p><p>And you also have to take into account the DC voltage drop on the coax being used, cheap coax or a long run of coax will give you a greater then normal voltage drop, this can cause the DC current draw to go above normal.</p><p></p><p>I've had to solve problems with motor installs using long runs of coax (over 20 meters)by replacing the coax with a run of good high quality stuff with a pure copper center conductor, and a copper shield, this eliminated the problems of blowing out the receivers DC power supply circuit to the LNB.</p><p></p><p>So with only 12 volts DC to work with the H to H motor will run much slower then one directly connected to a satellite receiver.</p><p></p><p>Also this device will <u>NOT</u> run a "C" band linear motor.</p></blockquote><p></p>
[QUOTE="Terryl, post: 1028958, member: 369937"] OK, I didn't see the external supply, but at 12 volts the motor will turn slower then normal, the standard Diseqc H to H motor uses the LNB power/ transponder switching voltage (13V/18V) supplied by the satellite receiver to run on, and most need around 180 to 200 mA of DC current when running, the startup current is even higher. (up to 350 mA) And you also have to take into account the DC voltage drop on the coax being used, cheap coax or a long run of coax will give you a greater then normal voltage drop, this can cause the DC current draw to go above normal. I've had to solve problems with motor installs using long runs of coax (over 20 meters)by replacing the coax with a run of good high quality stuff with a pure copper center conductor, and a copper shield, this eliminated the problems of blowing out the receivers DC power supply circuit to the LNB. So with only 12 volts DC to work with the H to H motor will run much slower then one directly connected to a satellite receiver. Also this device will [U]NOT[/U] run a "C" band linear motor. [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Controlling a USALS motor with a USB tuner.
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