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booysenc

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Everything posted by booysenc

  1. I would go for the gate controller with an old cellphone charger on mains, therefore it doesn't drain your battery, else buy a cheap Sonoff and I'll guide you through the hardware mode, not too hectic. Drop me a pm which Town you stay, if same I'll help you or drop it off
  2. Hi, which sonoff do you have? if you are comfortable with some hardware modifications I'll assist where you make some changes on the PCB so the output of the sonoff is not a live connection but you can use it as a dry contact (regardless the warranty will be void), sonoff has some 4ch modules that offer dry contacts out but reckon it's a bit of an overkill, unless you want to wire up additional things like lights etc. once that is done, you can set the device to itching and give the gate a short trigger to the controller and open the gate. I personally don't like this because if there's a glitch on the sonoff my gates might open and currently there's no way to view that feedback remotely. Another feature I asked for waaaaay back when is if there's any way to use a sonoff to show the status of an external device, like a gate, if the external signal comes in the sonoff shows on/off whatever, just some feedback
  3. Calm down... Not sure if your s1 and s2 are mixed, I made the comment about possibly not going to assist with native offline trigger support and needing to buy other devices, I do however appreciate that you logged it with ewelink, would appreciate some push as not all have paid IFTTT. regarding inbox chats about POW and offline support, wasn't me but glad there's others in need of this feature. Breath in... Breath out...
  4. Actually now that I think of it, probably just a mini that's powered by the inverter supply and a relay that's held in by eskom supply, when it drops out you trigger the switch input on the mini, when it switches on again you toggle the switch input on the mini. Ai was hopeful our request could be heard...
  5. So the info and ability is there... Just need to add it as a trigger. Doubt they would because now they have a loadshedder device to sell
  6. Yeah!! A topic that was discussed with sonoff a few times that will help with loadshedding is the ability to trigger if something goes offline or stays offline for say 5min or a selectable time(to prevent connectivity triggers) . This can already be done if another device switches on or off. I can then dedicate a sonoff for loadshedding monitoring
  7. Hi I have 16 Solar Frontier SF155 panels (Voc = 109V), and the inverter has 2 solar inputs. Whats the best way to set up my strings? 4 in series paralleled with 4 in series for both strings? Thinking of combining with a blocking diode. Lets call it 1 parallel with 2, and 3 parallel with 4... what will happen if the voltage of 1 and 2 is different, assuming the string voltage after the diode will be the greater of the two, but will both still provide power? what would be the best way to go about (sorry my question might be confusing)
  8. Not sure if this is the right place to ask but how can I communicate with my axpert inverter? I don't use utility to charge the batteries but before loadshedding it's nice to have charged batteries, asking my wife to fiddle with settings is a bit of a schlep. Was thinking of using a arduino to just send serial data of the charger source priority when wife pushes a button and when I push another button settings get changed back automatically. Would this be possible?
  9. Does anyone know if there is a standard that says contacts must break before make unless otherwise specified? Still working on the idea of 2NC 2NO contacts, I don't need electrical or mechanical interlocking since it's only one device, if the contacts are fused together I won't be able to change the state of the device in any case. But... the manufacturer doesn't explicitly state the contacts will for a brief moment all be open while being energized/de-energized, was hoping if it complies to whatever iec standard that the break before make is included in that standard
  10. Could probably just use a 2NC 2NO 63A contactor too? No mechanical or electrical interlocking required, just ow would I find out if it's break before make...? The contactor is just over R1k so could maybe be a cheaper solution
  11. spoke to City of Cape Town, the response was that they don't like contactors since the contacts can burn and remain closed (applicable to any switch basically) - really think they are just trying to be difficult. my follow up question was what can I use and the response was "we only review and approve the application, we don't know what's out there on the market" round and round we go...
  12. can I buy solid states relays to switch? No contacts that can get stuck or anything... my inverter has a dry contact that switches with the internal relay, just need to find solid state relays that comply with whatever standard
  13. I agree but off grid could also supply my inverter DB which then supplies all my circuits in my house. Main DB can supply power to the transfer switch and that then selects if my inverter DB is supplied from Eskom or inverter, not both (hence still off grid as its output is never connected to the grid), just need to know how I can prove my inverter has this changeover built in, or just spend a few rand and install whatever is approved to do the auto chopover (hate spending money if it's not needed)
  14. my inverter has dry contacts to switch an external changeover, which can one use or can I just drive a relay with NO/NC contacts rated correctly?
  15. Hi, I'm new to the forum and need some guidance. I've got a CB Solar PV1800 5KVA insatlled, understand this is a rebranded Axpert or Must inverter but struggling to get technical details of the device. I understand Voltronic is the manufacturer of the device? City of Cape Town requires that I register my solar installation, depends who you talk to in the registration team but some rightfully sees this as an off grid system since I can only power the load from Munic supply or from PV/Batteries, I can't combine the two. Others see this as a grid tied system (Frustratingly) because it has an AC input. For the off grid system I'm allowed to haev an auto transfer switch to switch my Solar DB from Solar to Eskom but if it's built into the inverter (as is with my model) I need to provide schematics to prove this, unfortunately Rubicon is unable to assist with the request - doubt the person even knows what I'm talking about... Has anyone got any info on the device? I've found the service manual but doesn't go into the details of the internal relays, found one pic on the forum for the 1-3KVA models that actually shows the internal relay very nice but trying to explain to the munic that I found this axpert drawing for a different model but it'll work the same is just going to cause frustration... The device is fairly old... details below Model : PV18-5KVA MPK S/N : MPV18-5K201506220044
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