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JayF

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Posts: 31
Reply with quote  #1 
(I don't know if I'm posting at the right location in this forum... if no please let me know I'll move this post.)

Good day all,

I've bought a STAB HH120 from Rick a few days ago and I've finally decided to get rid of my 90cm dish and install a 1.2m one. I already had a motor on my previous dish and everything was working just fine... I've been using USALS without any problems with my Manhattan RS-1933 receiver.

I've installed my new motor along with the 1.2m dish. Everything seems to be aligned perfectly.

When using my receiver, I can normally switch satellite the same way I'm used to... but my motor is going back and forth and never stop unless I power off the receiver. That said, say I tune to Galaxy 17 satellite, I get a good signal for about 5 seconds because the motor goes about 4 degrees further than G17 and goes back to almost the 0 position (true south) and do the sequence again forever and ever.... (and G17 is somewhere between these two positions)

I'm writing this post right now in case someone can help me right off the bat... meanwhile, I'll go back up next to my dish and make a video about what's going on. Maybe it'll help to actually witness what's happening.

Thank you very much!


JayF

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Posts: 31
Reply with quote  #2 
Here is the video I've just uploaded.

As you can see, I've set up my sat hero to get a signal from G17. In this video, you'll see two complete sequence of the motor going back and forth.

If you guys have any clues of what's happening right now, I'd definitely appreciate your feedback. If you want me to try something in order to maybe fix this situation, let me know [smile]



Thank you!
mountaineer

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Reply with quote  #3 
Have you disabled the limits? It looks like it may be "reaching the limit" and going back to 0, then getting the usals command again etc etc. May trying disabling limits in manhatten. I don't know if there is a way to disable limits in the motor itself.

Also see what it will do using diseqc 1.2 commands instead of usals.

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 36" KU Dish Linear, 10 ft prime focus Mesh, 7.5ft prime focus mesh dish C and KU.
7 Stationary KU dishes.
JayF

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Posts: 31
Reply with quote  #4 
mountaineer,

Thanks for replying!

I've checked on my Manhattan receiver and limit is actually disabled.

Since I'm quite new to the FTA World, I've found that USALS was much easier for me to use as it pretty much configure by itself. I've switched for Diseqc 1.2 and I've been able to manually move to G17 and it stays there. No back and forth anymore when using Diseqc 1.2. 

What's wierd though is USALS should be working. STAB is actually the creator of USALS.

What are the Pros and Cons of using USALS vs Diseqc 1.2?

Thank you again, much appreciated! [smile]
techjunkie02

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Posts: 2,341
Reply with quote  #5 
Quote:
Originally Posted by JayF
mountaineer,

Thanks for replying!

I've checked on my Manhattan receiver and limit is actually disabled.

Since I'm quite new to the FTA World, I've found that USALS was much easier for me to use as it pretty much configure by itself. I've switched for Diseqc 1.2 and I've been able to manually move to G17 and it stays there. No back and forth anymore when using Diseqc 1.2. 

What's wierd though is USALS should be working. STAB is actually the creator of USALS.

What are the Pros and Cons of using USALS vs Diseqc 1.2?

Thank you again, much appreciated! [smile]



I'm not 100% sure, but, I think there is limits internal to the motor also, those need to be cleared/reset.
Check the Stab manual, i think you need to send the commands to either set the limits, or clear the limits for the motor. Even though your receiver may show them already cleared, you need to send the commands to the motor.


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biggt

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Posts: 190
Reply with quote  #6 
You may want to recheck where  you entered you lat. and long. It sounds like the coordinates for east or west may be wrong.
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2-10' C band ,1 mtr. Winegard on Sg-2100 , 1.2mtr Echostar , 5' Unimesh

Azbox Me x3 - Traxis 6000HD - Amico A3

GFM

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Posts: 640
Reply with quote  #7 
As Biggt says, check your coordinates are entered properly in your USALS menu. Make sure you use a - (minus) for longitude coordinates west of 0 or Prime Meridian, such as anywhere in North America. It should look like this:

Longitude  -095.25W
Latitude 41.74N
(Coordinates are example only).

Only use a - (minus) for latitude if you are south of the equator.

Also use a horizontal TP while moving the dish... gives you more voltage/faster movment. In the video is your satellite meter powering your motor? Was not aware that meter had USALS/DISEqC capability...?

I'm not familiar with the Manhattan receiver as far as how exactly it is configured, but most receivers are similar.

I have a Stab HH120 and I have never seen that particular problem with mine. I use it on a 1m dish, I found the 120cm dish to be too big for the unit, the motor housing actually broke once in a high wind. Managed to repair it. Other than that is has always worked very nicely, but it is slower than most other motors. The slowness is due to the gearing required to handle the heavier loads as the electrical current supplied by the receivers is limited.

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Receivers: AzBox Ultra, Micro HD
-10' dish with Chaparral Corotor II/Norsat DRO LNBs
-36"Ku with SG2100 & PLL321S-2 --... ...--
JayF

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Posts: 31
Reply with quote  #8 

Quote:
Originally Posted by techjunkie02

 

Techjunkie02, I’m not 100% sure, but, I think there is limits internal to the motor also, those need to be cleared/reset.

Check the Stab manual, i think you need to send the commands to either set the limits, or clear the limits for the motor. Even though your receiver may show them already cleared, you need to send the commands to the motor.

 

 

I’ll check the Stab manual… Because it was brand new, I was assuming the motor would be without any limits. I also thought my receiver would be actually showing the limit status of the motor itself (by querying the motor). Anyhow, thank you for your reply… I’ll check everything tomorrow and get back to you for sure.

 

But, in the video, you can see that I get the signal from Galaxy 17 two times on each and every sequence, because the satellite position is actually between the two “limit” position. (where the motor stops and goes all the other way back). In fact, the motor goes a few degrees further than G17, and then goes back to a little bit passed the zero position. The motor should have stopped to G17, not going 3-4 degrees further before going all the way back to the True South. Anyhow, I’m lost right now… so I’ve got nothing to lose by doing a complete reset of both the motor and receiver while making sure I clear the limits on the motor itself! Thank you again!

 

 

Quote:
Originally Posted by biggt
You may want to recheck where  you entered you lat. and long. It sounds like the coordinates for east or west may be wrong.

 

Biggt, I went to the receiver’s configuration real quick and yes, my lat and long is entered correctly. In fact, the coordinates are exactly the same as when I was using my previous motor. Thank you for replying! [smile] I really appreciate it.

 

Quote:
Originally Posted by GFM
As Biggt says, check your coordinates are entered properly in your USALS menu. Make sure you use a - (minus) for longitude coordinates west of 0 or Prime Meridian, such as anywhere in North America. It should look like this: 

 

Longitude  -095.25W 

Latitude 41.74N 

(Coordinates are example only).

 

Only use a - (minus) for latitude if you are south of the equator.

 

Also use a horizontal TP while moving the dish... gives you more voltage/faster movment. In the video is your satellite meter powering your motor? Was not aware that meter had USALS/DISEqC capability...?

 

I'm not familiar with the Manhattan receiver as far as how exactly it is configured, but most receivers are similar. 

 

I have a Stab HH120 and I have never seen that particular problem with mine. I use it on a 1m dish, I found the 120cm dish to be too big for the unit, the motor housing actually broke once in a high wind. Managed to repair it. Other than that is has always worked very nicely, but it is slower than most other motors. The slowness is due to the gearing required to handle the heavier loads as the electrical current supplied by the receivers is limited.

 

GFM, I can’t actually enter a minus sign in front of the coordinates. Like stated to Biggt, I’m actually using the same coordinates I was using previously before I’ve swap motors.

 

As for my satellite meter, I know it might be a little confusing… but my meter isn’t powering my motor. In fact, I’m using a twin Ku Band LNB. One of the coax output on the LNB is connected to the motor and then to my Manhattan receiver. As for my meter, it was actually connected to the second coax output of the LNB. 

 

I wasn’t aware that using a horizontal TP while moving the dish would actually give me more voltage. I just can’t figure out how can I do that… Say I’d like to move to Galaxy 17… would I only need to select a channel on the receiver that was using a Horizontal TP on G17, and by selecting that channel, my receiver will send to command to the motor using Diseqc 1.2?! Am I right? 

 

I’ve noticed my dish is moving WAYYYY slower than I was used to with my 90cm dish and my previous motor. Thank you very much for replying!

GFM

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Reply with quote  #9 
"select a channel on the receiver that was using a Horizontal TP on G17, and by selecting that channel, my receiver will send to command to the motor using Diseqc 1.2?! Am I right? "
Yes, and will send the 18v signal for the LNBF to switch to horizontal polarity. That speeds the motor up too. (Vertical requires 13v and motor moves much slower).

USALS will work the same way but the positions don't have to be set for each satellite.

Thought after I posted you might be using a dual LNBF. Really handy for aiming!

Under the DISEqC menu there should be a "clear limits" option. This should clear internal motor limits (I think).

__________________
Receivers: AzBox Ultra, Micro HD
-10' dish with Chaparral Corotor II/Norsat DRO LNBs
-36"Ku with SG2100 & PLL321S-2 --... ...--
biggt

Registered:
Posts: 190
Reply with quote  #10 
If the coordinates are set correctly maybe there is a problem with the satellite list. What satellite did you use to align the dish with? It sure sounds like a stuck limit switch although I would think that should shut the motor off instead of making it run wild like it's doing. You may want to contact whoever you bought it from for assistance.
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2-10' C band ,1 mtr. Winegard on Sg-2100 , 1.2mtr Echostar , 5' Unimesh

Azbox Me x3 - Traxis 6000HD - Amico A3

searay

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Reply with quote  #11 
I have an HH120 driving a 40" Primestar dish. My Pansat receiver has no way to enter a minus sign either so my Longitude has to be set to 75.9W. Same thing with the sat positions, they have to be W also.
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AZ Prem Plus HD, 1 Panny 9200HD w/Pan DVBS-2 board, 1 Panny 9200HD w/Illuminati Turbo S-2, 1 Panny 3500SD, 2 Panny 2500A's, 7.5ft Perfect 10 mesh dish w/ 2 Norsat 8115 LNB's, Chaparral 11-1329-1 Dual C-Band Feed Horn, 1 meter Primestar dish with Invacom Quad L/C KU LNB, Stab HH120 mover. Samsung UN70KU630D Ultra Hi Def 70-Inch viewer.
GFM

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Reply with quote  #12 
Yes many use E/W and N/S instead of using a minus sign... should have mentioned that in my post above. If in North America Longitude should be W deg and latitude should be N deg. It worked in Jay's other receiver... I am thinking there may be a problem with his HH120, should be pretty much plug and play if he already had the motor setup done correctly before.
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Receivers: AzBox Ultra, Micro HD
-10' dish with Chaparral Corotor II/Norsat DRO LNBs
-36"Ku with SG2100 & PLL321S-2 --... ...--
techjunkie02

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Posts: 2,341
Reply with quote  #13 
If you move it manually with diseqc 1.2 commands, does it also return?

I'd move it manually using Diseqc 1.2 out to find my furthest satellite..then a few steps further out and set the West Limit, then, return to zero, and do the same to the East. Then return to zero. Then switch to USALS and try it again.

  

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JayF

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Posts: 31
Reply with quote  #14 
Quote:
Originally Posted by techjunkie02
If you move it manually with diseqc 1.2 commands, does it also return?

I'd move it manually using Diseqc 1.2 out to find my furthest satellite..then a few steps further out and set the West Limit, then, return to zero, and do the same to the East. Then return to zero. Then switch to USALS and try it again.

  


Sorry for answering late... some stuff happened on the personal side. (and when I had some time, weather was actually pretty bad!)

Anyhow, I have time now and weather is great so I've decided to try all the suggestions I had so far some you guys. Thank you again for your input!

As for the diseqc 1.2 commands, I've been able to move the dish to G17 and it stays there... at this point, I've saved this location as #1 (out of 63). To set another satellite position (G19 for testing purposes), it keeps doing the back and forth thing.

At this point, I've decided to hook up my other receiver (Traxis Receiver from Rick's) and it does pretty much the same thing.

Any thoughts?!

Thanks!

(by the way, I did check the user manual for the motor about reseting limits... it says I need to do it on the receiver, which I did something like 15 times so far!)
searay

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Reply with quote  #15 
Just checked my setup and I'm using DiSEqC 1.0. Have you tried that?
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AZ Prem Plus HD, 1 Panny 9200HD w/Pan DVBS-2 board, 1 Panny 9200HD w/Illuminati Turbo S-2, 1 Panny 3500SD, 2 Panny 2500A's, 7.5ft Perfect 10 mesh dish w/ 2 Norsat 8115 LNB's, Chaparral 11-1329-1 Dual C-Band Feed Horn, 1 meter Primestar dish with Invacom Quad L/C KU LNB, Stab HH120 mover. Samsung UN70KU630D Ultra Hi Def 70-Inch viewer.
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