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#20496 - 11/08/08 03:55 AM Re: Ocelot/ SECU-16IR Communication problem [Re: bnold]
Lucas Offline
newbie


Registered: 06/14/07
Posts: 10
Hi
I am having the same issue. After power cycling my ocelot it wont communicate with the 16IR anymore. I tried auto addressing sevral times with no luck. My 16R comms led blinks once every second or so. Both ocelot an 16ir are connected to the same 12Vcc 500ma supply. data wire is just 4 inch long and is ok.

I also noticed that my ocelot lost the program (program is just an end line) few times after powercycling.

parameter 3 is set to 1 as I only have one module.

firmware 8.31/58 application v3.18


Any idea??? I am lost here.

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#20498 - 11/08/08 07:52 AM Re: Ocelot/ SECU-16IR Communication problem [Re: Lucas]
Guy Lavoie Administrator Offline
Beyond All Hope
*****

Registered: 12/21/02
Posts: 6548
Loc: Montreal, QC, Canada
Without a second module to swap the comms chip with, you will need to obtain some spare 75176 chips in order to test this.
_________________________
"If you don't know what you're doing, do it neatly..."

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#20499 - 11/08/08 03:09 PM Re: Ocelot/ SECU-16IR Communication problem [Re: Guy Lavoie]
Lucas Offline
newbie


Registered: 06/14/07
Posts: 10
Ok so you think is a defective module? I have an other ocelot and 16IR to swap. I will do one at a time to determine which one is. I will also try to find that chip locally here in argentina
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#20509 - 11/11/08 12:28 PM Re: Ocelot/ SECU-16IR Communication problem [Re: Lucas]
Lucas Offline
newbie


Registered: 06/14/07
Posts: 10
I change to a new ocelot. the 16IR is ok. Guy you think i should try changing the 75176?
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#20510 - 11/11/08 12:37 PM Re: Ocelot/ SECU-16IR Communication problem [Re: Lucas]
Guy Lavoie Administrator Offline
Beyond All Hope
*****

Registered: 12/21/02
Posts: 6548
Loc: Montreal, QC, Canada
Yes, try taking the 75176 out of the Ocelot that works and put in the one that doesn't and test it with the module again. If that "fixes" it, then you know that this was the defective chip.
_________________________
"If you don't know what you're doing, do it neatly..."

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#20525 - 11/13/08 09:12 AM Re: Ocelot/ SECU-16IR Communication problem [Re: Guy Lavoie]
Lucas Offline
newbie


Registered: 06/14/07
Posts: 10
Well I bought a 75176 and replaced it in my ocelot. It worked for aprox 30sec and then it blow the new 75176. 50cents to the trash. Any idea what is making my ocelot to burn the 75176 chip?
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#20527 - 11/13/08 01:18 PM Re: Ocelot/ SECU-16IR Communication problem [Re: Lucas]
Guy Lavoie Administrator Offline
Beyond All Hope
*****

Registered: 12/21/02
Posts: 6548
Loc: Montreal, QC, Canada
It is hard to say what could cause this. Have you tried more then one replacement chip and this happened again?
_________________________
"If you don't know what you're doing, do it neatly..."

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#20529 - 11/13/08 09:12 PM Re: Ocelot/ SECU-16IR Communication problem [Re: Guy Lavoie]
JeffVolp Offline
active contributor
*****

Registered: 01/26/03
Posts: 185
Loc: St. George, Utah
Are the modules powered by separate supplies? The lack of a common ground reference is the prime cause of failures in serial links such as this.

Jeff
_________________________
X-10 automation since the BSR days

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#20531 - 11/14/08 05:13 AM Re: Ocelot/ SECU-16IR Communication problem [Re: JeffVolp]
Guy Lavoie Administrator Offline
Beyond All Hope
*****

Registered: 12/21/02
Posts: 6548
Loc: Montreal, QC, Canada
Well, he does mention using a single 500 mA power supply in his first post, which is why I'm a bit surprised.
_________________________
"If you don't know what you're doing, do it neatly..."

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#20532 - 11/14/08 09:30 AM Re: Ocelot/ SECU-16IR Communication problem [Re: Guy Lavoie]
bnold Offline
newbie


Registered: 03/23/07
Posts: 23
Ok well I ordered a handful of these chips and installed.. put power to the modules and the Com lights were flashing like crazy as they used to (at least on the Ocelot didnt think to check the Secu). Was excited to say the least.

I started reenabling the ocelot in homeseer and when I went to setup IR commands I new something wasn't right, Wasn't able to create new zones or anything.

So I looked at the com lights and they were not blinking fast anymore. Tried a few power cycles, even tried new chips..

At some point the Ocelot started flashing very fast like normal but the 16IRs com light will come on for 2 seconds and then off for a second and repeat.

Getting really sick of this system, seems like everything is a shot in the dark with nobody really know what is going on. Is there a tech line I can call or somebody to contact? Or is this forum my only option? Not meaning any offence everyone here has tried and help as much as possible, but I am only here at this location one day a week max and response times on here are slow. I need to have a troubleshooting conversation with somebody.

While waiting for these chips I shelled out $500 for a JDS Infrared Xpander with a xantech splitter. The unit has worked fine but it is limited to turning the TVs on and off because I have multiple of the same TVs and the signals are not split.

Thanks


Edited by bnold (11/14/08 09:35 AM)

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#20533 - 11/14/08 10:19 AM Re: Ocelot/ SECU-16IR Communication problem [Re: bnold]
ADI Tech Support Moderator Offline
old hand


Registered: 12/22/02
Posts: 721
Loc: Branson West, MO
You can call us 417-272-0761.

I think we have a ground loop issue going on here. I suspect an optical isolator needs to be installed between the Ocelot and the computer or between the Ocelot and the SECU16IR. The ground loop can cause this very issue. I don't think you are blowing comms chips.

Kevin Barrett
ADI Tech Support

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#20543 - 11/16/08 04:26 PM Re: Ocelot/ SECU-16IR Communication problem [Re: ADI Tech Support]
Lucas Offline
newbie


Registered: 06/14/07
Posts: 10
Kevin,
Can I have a ground loop?? I am ussing the same Power supply for both so they should have the same ground. And if I am not blowing them why they never communicate again until I change the chip.

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#20546 - 11/17/08 09:37 AM Re: Ocelot/ SECU-16IR Communication problem [Re: Lucas]
ADI Tech Support Moderator Offline
old hand


Registered: 12/22/02
Posts: 721
Loc: Branson West, MO
Here's a good way to find out.

Disconnect the Ocelot from the computer (the Ocelot connects to ground via the computer's RS232 port). Put new comms chips in the Ocelot and SECU16IR (just to make sure we are working with good stuff in case I'm wrong:-)

Apply power to the SECU16IR first, then the Ocelot. See if the Ocelot communicates with the SECU16IR (comms light on both the Ocelot and SECU16IR will flash continually). See if they continue to flash for a good length of time to be sure the comms chip does not blow.

If they stop communication while waiting, then I'm wrong. It's probably not a ground loop.

If they communicate, connect the RS232 cable bewtween the computer and Ocelot. If they stop communicating, then it is a ground loop.

Kevin Barrett
ADI Tech Support

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#20571 - 11/21/08 12:53 PM Re: Ocelot/ SECU-16IR Communication problem [Re: ADI Tech Support]
bnold Offline
newbie


Registered: 03/23/07
Posts: 23
Tried the above as I am in town today...

Disconnected both from power and disconnected the Ocelot from the Computer. Again put in 2 new comm chips

Connected the SECU16IR to power and waited probably 5-10seconds. Power and Comm lights light up for a sec and then the Comm light goes out. Power Light the only light on
Connected the Ocelot to power. Comm light blinked one time and then started blinking very fast. Active light blinks 4 times every few seconds

This is how it stays. The comm light on the SECU16IR doesn't do anything.

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#20662 - 12/15/08 05:56 AM Re: Ocelot/ SECU-16IR Communication problem [Re: bnold]
Lucas Offline
newbie


Registered: 06/14/07
Posts: 10
Yesterday I gave this ocelot a last chance. I re connect ocelot and 16IR and power them; they start communicating (fast blinks) but after about 60sec they stop communicating. I tried power cycling them many time with no success they will not connect again.

There was no device connected to the rs232 so I donít think it is a ground loop.
I didnít change the chip this time. Apparently it is not blowing the chips because if I let the ocelot ďrestĒ for sometime it will start communicating at least for about a minute.

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#20663 - 12/15/08 06:12 AM Re: Ocelot/ SECU-16IR Communication problem [Re: Lucas]
Guy Lavoie Administrator Offline
Beyond All Hope
*****

Registered: 12/21/02
Posts: 6548
Loc: Montreal, QC, Canada
Sounds like a defective component somewhere. You should call Kevin at ADI about this.
_________________________
"If you don't know what you're doing, do it neatly..."

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