larryllix

Usually these things are not that "engineered". Since you think this I noise spikes coming for the furnace circuitry connected to the thermostat and it is easy to wire the wires into the thermostat I would try running each wire through a 1/4-1/2" steel hex nut and just see what happens. If it works somewhat try to land better ferrite cores to replace the hex nuts. Ferrite cores are not tuned but present impedance to signals that change faster. Since the signals are low frequency 60Hzand slow changing heat and A/C switching signals little effect will be seen on them. It's not rocket science and for a few bucks you may luck-out and have a solution. http://www.digikey.ca/product-search/en ... ng/3408554 I would bet a HVAC supplier could even sell you a few commonly used by installers for other thermostats.

I have the same problem using v4.0.5 and this module. Is this a problem or just an annoyance I can ignore for now?

Thanks again! Strange looking "dongle"!

Same thing here. I have been researching this for a few days and I can't figure out where this dongle would go. If somebody could lay out a basic setup and/or options of hardware it would be appreciated.

Mine works the same when not in "Communication mode", obtained by the button on the MS. Watch the device status page to investigate initial signal reception. You may have to manually reset it to OFF each time.

I guess we think too small just wanting to control our own homes. hmmmmmm... New ISY990004i feature request: WAN networking to talk to other ISYs with P2P. I could save a lot of time by using an accepted temperature schedule from the rest of the world's thermostat settings.

I was just reading (and posted in another thread) Insteon's repeating algorithm where they state the RF data received is repeated on the powerline and vice versa, but I haven't seen anything stating how the arbitration between bands is done. IOW who gets first crack if they differ? Who gets repeated?It also states that RF is synchronised with the Powerline data so is only as fast as the powerline frequency data speed allows. (yay! for N.America 60Hz. ) I make these assumptions: -If a garbage packet is received on either band it will not be repeated on either band. -Simultaneous repeated transmissions, from different modules, are stated to reinforce signal strength. Anybody dealing with audio or any signal equipment probably knows this is not always true. Even if all modules are exactly in phase the phase lag between location distance, wire lengths and impedances (line proximities or concrete walls) can cause complete blind spots at a receiver's location where signals from multiple transmitters, out of phase, cancel each other out completely or weaken the signal strength to the point of uselessness. Simply moving a receiver over a few inches or injecting a loop in one wire may make all the difference. In the powerline frequency multiple unit synchronisation may be possible with the low frequency carrier used, but in the high frequency RF (915MHz) even the CPU being out of sync by one CPU clock cycle, at these lower clock rates, may result in the bits being out of sync by more than multiple RF wavelengths. I haven't done the actual signal wavelength delay math, yet, so don't get too excited if I'm too far off. IOW: Mess network units that don't use collision detection avoidance at the carrier level of the protocol may not play nicely with each other and the more you have may make the occasional failure MORE common. Designing units to talk simultaneously may not always work well. Six or eight, well placed, repeating units and the rest receive only may just function more reliably. In short: you may have too many dual band units at play and I would be willing to do my part to help you out in that endeavour. I can PM you my shipping address for some possible relief from your situation.

Bingo! I thought it was one link labelled "Details Summary". Turns out it is two links "Details" and "Summary" Thanks!

I can get to the file list page with the lists of documents. I get no warnings or input requests and the list has no hyperlinks for the document text lines, just plain text. FCC > FCC E-filing > EAS > List Exhibits Page FCC Site Map

No Kidding! I thought Yahoo was bad for spam when it was the "Big" search engine, but now Google prides themselves as being snooping Gods that can pry into any aspect of your life and collect data on you from birth. Very good point.

Very nice! Thanks! Is there some special permission required to see the documents? I cannot get access to them, only a listing showing their existence.

I would love the see the printed circuit card for these things. Years ago it was reported a circuit board would be designed and built. Then a after refining, a tech would cut out components until the device stopped working. Putting that component back in the tech would continue until no more parts could be cut out and it would still function. Who know what process they used for this design. Sensitive logic inputs typically "pull themselves up". Good engineering practice ties them to the plus power line or better yet through a higher value resistor. If that part is removed the prt functions the same except that the logic signal input usually functions the same. being connected to a foil line on the circuit board it becomes a small antenna and picks up stray emf/rf noise nearby creating guess what? Logic changes or even worse internal transistor insulation breakdown that acts ups in too many ways to mention. Now this device transmits RF so we do have an environment. Strange while I was typing this I realised analogous situation: I picked up a Mr. Christmas Light sequencer last year for $20. This fall, full of piss and vinegar, I hook the thing up only to find out after it worked fine for about two hours, I have to cycle the power off and on about 10-20 times to make the thing start up to play its tunes. hmmmmm... guess what? After a night's worth of tracing circuit board foils, I find an empty spot where they forgot to install the capacitor that acts as a cold boot reset circuit to the CPU chip. I grab some old capacitor I found and solder it in. Works like a charm, everytime. Not a trace of previous solder there. Now I reassembled the thing. When I put the circuit board back into the case the capacitor I installed stops the circuit card from sliding down into it's plastic slot mount in the case. These jerks did exactly what I stated above and cut out the prototype's capacitor and it worked just fine (they didn't forget) on that unit, so the, (probably Chinese) kids manufacture 1,000,000 of them without the capacitor. Then it hits the retail stores for about $159 and users return them. I pick the thing up at WallyMart for $20 wondering why. Most users would have just thrown them out for the $20, a year later, and without a receipt. http://www.mrchristmas.com/THE-LIGHTS-A ... P1839.aspx My suspicions intensify with this SmartHome item. Too bad.

Thank you, Thank you! Q: I see a pulldown list with existing devices already being used elsewhere. I would assume I would have to have an installed substitute unit listed as a spare to swap? IOW: What would happen if I picked an already in service unit? EDIT: Brian already answered that one.

"KeyPadLinc" I am in the same boat as you and find so much jargon using acronymns in this field and most of them are common in other fields and mean other things. Really hard to get up to speed. On that note: Where is this "replace device" menu you mention, andI keep reading about? I have looked high and low and cannot find anything that would have saved me a half dozen hours a of reinstalling things.

I was thinking about getting one of the 2441ZTH remote/wireless units just to have a temperature sensor. Other than the usual Insteon lack of actual information (to even find out if it sends analogue data) I did notice this in the troubleshooting chart section of the User's manual. ---------- Problem: When an AC adapter is used, the temperature and humidity settings are changing rapidly. -------- Probable cause: Noise from the AC adapter is affecting the Wireless Thermostat’s electronics. ---------- Fix: Be sure that your AC adapter is outputting between 5 to 7.5 volts. Change to a better quality AC adapter. ----------- Now this unit is an independent, normally 3V battery operated unit and yet they have problems with AC ripple demanding you run a 5-7.5V walwart with it? This has to tell us something about the sensitivity of the electronics to power supply noise. This is assuming the basic power supply is a similar design as the 2441TH unit. I suspect it would be.

I wonder if donut-style ferrite beads would help that by just running the lines all through a unit. It could eliminate any common-mode spikes and noise.

Mine is still in the package yet. It will be making an entrance soon.

It would appear, by definition, RF communications are synchronised, slowed down, and dependant on powerline zero-crossings as evidenced by this from the document:

And that must be based on a 60Hz assumption for the same reason no dates were on coins marked BC. Also based timing from the previous zero crossing it would put the signal right in the middle of the garbage from a modified sinewave zero noise and/or keep confusing the frequency with front end and back end zero-crossing timings. Who knows what evil lurks in the hearts of modules?

OK, I would have thought that the " Smoke / CO / Clear. It does however show OFF for Low Battery, Malfunction, Test, and Unknown Message" points KHouse mentioned would be considered status points. My terminology in this field is not up to par and it sometimes conflicts with my other fields of involvement. Either way they are not responsive to ISY end polls/queries, if I read you correctly.

Will an ISY Query update those points or does it require human intervention at the smoke detector?

So in ez1976's case he may be able to use the PLM with a stepdown transformer on 50Hz. It may only function on RF. OTOH: Didn't I read somewhere European Insteon modules using a different frequency for RF? Nothing like having a loose return policy.

IMHO A "pure sinewave" inverter should be used for sensitive electronic equipment like a PLM. The waveforms displayed are from a "modified sinewave" inverter. I would be surprised the Insteon signals would work at all if they are zero-crossing dependant. Modified sinewave has that pause between polarity switches that may play havoc with timings and also be load nature dependant. At least the pure sinewave inverters have a few more steps in the wave and can be filtered a little better but than we have a signal absorption box for any powerline signals. Maybe we only expect RF to survive to dual band units in this situation?

I noticed the two conditions right away. In HomeSeer, the timers were not retriggered but you could use a cancel_event command to retrigger them. Been too long for my old X10 system logic, now but they had one timer pending PER DEVICE. If . Time_is_late=true Then . Go_to_bed Else . pass_out Thanks for the education!

I haven't thought about "partial ONs" yet as I have no wall dimmers or switches but I have been aware of some of these "non black and white" states devices can have and trying to avoid the gotchas later with careful conditions code. Yeah? Who am I kidding? I change some code every day. I meant "every hour". Trying to reorganise my X10 addresses to accommodate TM751 RF modules around the house. X10 address movement is a grind with the ISY though. You make an address plan and then some MS won't reach that RF module. Plan G next. Thanks.