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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="Terryl" data-source="post: 989224" data-attributes="member: 369937"><p>Out of hundreds of motorized installs I have never had an LNB fail due to a motor being in-line, this useing all sorts of different manufactures of motors and LNB combo's.</p><p></p><p>A properly installed system should not have problems with any standard Diseqc motor with a single LNB attached, I have a motorized setup with the Invacom LNB, and have used it for many years, the only problem I had was when a woodpecker took out the LNB's eye cover looking to stash acorns.(Invacom sent a new LNB at no charge)</p><p></p><p>If you going to use a motor your receiver must be/should be rated for 500 mA MAX (or more) at the LNB input, one rated for 400 mA could cause long term damage to the internal DC power regulator circuitry used to power the LNB.</p><p></p><p>Also useing cheap coax with a copper clad center conductor could cause an excessive DC voltage drop at the motor, I always use good quality RG-6 quad coax with a pure copper center conductor, and on some long runs of coax (200 feet or 60 meters) I also use a #12 gauge copper wire as a secondary DC ground return, (the whole system is bonded with this) as with some coax the shield is not that good of a DC path for the return.</p></blockquote><p></p>
[QUOTE="Terryl, post: 989224, member: 369937"] Out of hundreds of motorized installs I have never had an LNB fail due to a motor being in-line, this useing all sorts of different manufactures of motors and LNB combo's. A properly installed system should not have problems with any standard Diseqc motor with a single LNB attached, I have a motorized setup with the Invacom LNB, and have used it for many years, the only problem I had was when a woodpecker took out the LNB's eye cover looking to stash acorns.(Invacom sent a new LNB at no charge) If you going to use a motor your receiver must be/should be rated for 500 mA MAX (or more) at the LNB input, one rated for 400 mA could cause long term damage to the internal DC power regulator circuitry used to power the LNB. Also useing cheap coax with a copper clad center conductor could cause an excessive DC voltage drop at the motor, I always use good quality RG-6 quad coax with a pure copper center conductor, and on some long runs of coax (200 feet or 60 meters) I also use a #12 gauge copper wire as a secondary DC ground return, (the whole system is bonded with this) as with some coax the shield is not that good of a DC path for the return. [/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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