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PIP-4048MS inverter

Posted: Mon, 12 Jun 2017, 13:29
by solamahn
Tried connecting a generator to 2 4048 in single phase parallel. 28 PAR. Would not connect in either APL or UPS. Changed 28 to 51G and the one inverter connected to the generator connected on APL. Could only charge at 10A because it was a small generator. I have connected a 3 phase generator to 3 4048 before and that worked. I have also connected single phase mains to 2 4048 in PAR and that worked. Other pips like 812, 2424 and 2448 dont have any problem connecting to a generator.

PIP-4048MS inverter

Posted: Mon, 12 Jun 2017, 13:52
by solamahn
Lifepo4 Balancing


S/N   Capacity 1st low 1st high 2nd high 2nd low
0051   430.3Ah 3.054    3.391    3.379   3.013
0106   430.2Ah 3.047    3.382    3.374   3.017
0107   430.5Ah 3.044    3.386    3.385   3.013
0108   430.1Ah 2.735    3.348    3.374   3.025
0116   430.3Ah 3.046    3.388    3.386   3.017
0075   430.7Ah 3.051    3.378    3.372   3.022
0067   430.0Ah 3.050    3.388    3.387   3.022
0074   430.5Ah 3.056    3.370    3.028   3.028

0051 needed some energy removed and 0108 needed a fair bit added.

PIP-4048MS inverter

Posted: Mon, 12 Jun 2017, 13:55
by solamahn
0074 430.5Ah 3.056 3.370 3.361 3.028

PIP-4048MS inverter

Posted: Sat, 17 Jun 2017, 08:48
by Tejota
@TonyB

Has this invertert got both usb and serial connector ??

I have got 3 of them (same model but only serial connector) in parallel with pip4048ms and I could flash firmware without problems.

I used this cable

And laptop with W7 32bits. No problem with flash both firmwares (72,60b and 4.10). My inverters (heatsink up) are March 2014 and coming with 52.10 and 1.24 firms flashing to 72.60b and 4.10 last year.

Regards.

PIP-4048MS inverter

Posted: Tue, 20 Jun 2017, 22:52
by Ian60D
I have raised a case with MPP Solar for both the charging problem and the parallel problem. Lets see what they have to say.

PIP-4048MS inverter

Posted: Thu, 22 Jun 2017, 02:51
by Howard
I wonder how long we will wait?
Thanks Ian.

PIP-4048MS inverter

Posted: Sun, 25 Jun 2017, 16:36
by Ian60D
Well the answer was prompt but useless.
I will try again and see what we get.

"Hello,
before we can provide any assistance, it would be helpful if you could provide information here:
http://www.mppsolar.com/v3/customer-support/
so we have some background information of the system.

Regarding the issue experienced, I would recommend checking your AC input breakers (wiring issue) to see if they are undersized. we had customers reporting similar problems, and after readjusting their breakers & wires it became normal.

Best regards,
James Ko ¦ Support Team, MPP Solar Inc.
support@mppsolar.com ¦ www.mppsolar.com
On 2017/6/19 下午 04:51, Ian Diven wrote:
> Hi, I recently purchased 3 x PIP4048 with Parallel kits.
>
> I am having some technical issues.
>
> If I set Mains charging to more than the default 30A it continually drops out of charge. The charge ramps up in the normal fashion but when it gets to about 37/38 amps it drops to zero and starts ramping up again. If I set the charge to 30 A then it continues to charge as expected.
>
> I have been in contact with a few other PIP owners and there are experiencing the same problem.
>
> I have tried 2 of the 3 units and both are the same. (3rd is still in the box.)
>
> In an effort to get a higher charging rate I installed the parallel kits and set up 2 units. Both came up correctly with MS and SL and both were able to supply the load from the battery. However when I connected AC. It recognized the AC as present but would not charge or supply the load from AC. The AC in was from the same source and the AC out was paralleled.
>
> In the case of both problems no fault indication was present.
>
> No Solar is yet connected (coming soon) so charging from AC is the only option.
>
> As other users are reporting the same problems. I think it is unlikely to be just a faulty unit but more likely to be a firmware glitch.
>
> F/W is 73.00
>
> The units have only been temporary set up to test and I am reluctant to fully wire and set them up if they are unable to do what is advertised.
>
> Please advise a fix for the issues.
>
> Regards
>
> Ian Diven
>

PIP-4048MS inverter

Posted: Mon, 26 Jun 2017, 15:06
by 6mdx
Ian, can I suggest when you try mmp solar again, that you replace the multiple "its" with PIP4048. It has been my experience that our sentence structure and usage don't always make sense to ppl that don't have English as a first language, or learn "American English".

cheers Robert

PIP-4048MS inverter

Posted: Tue, 27 Jun 2017, 02:59
by paulvk
I will add to Roberts use Grid or Generator not AC look at what terms they use in the hand book.
Also do not use other abbreviations F/W and do not write long sentences.

PIP-4048MS inverter

Posted: Fri, 30 Jun 2017, 22:08
by solamahn
Where can I download 72.70

PIP-4048MS inverter

Posted: Sat, 01 Jul 2017, 00:36
by coulomb
solamahn wrote: Where can I download 72.70

The index to this topic on page 1 has a link to the instructions/download for the latest patched firmware (currently what we're calling 72.70b). If you are after official firmware, it's in the .zip file as dsp_original_72.70.hex. Copy over the top of dsp.hex to flash load it.

PIP-4048MS inverter

Posted: Sat, 01 Jul 2017, 11:33
by solamahn
Thankyou

PIP-4048MS inverter

Posted: Tue, 11 Jul 2017, 20:07
by ejb
I've just (Sunday) upgraded the firmware in my 2x Parallel PIP-4048MS inverters.
Nice to finally see the inverters go into Absorb mode! So thanks for the fixed firmware!!

For my install I found that I did need to 'reset to default' the parameters (and then re-setup parallel mode). I got some weirdness before the reset (including the slave inverter working, but not registering the PV inputs....)

PIP-4048MS inverter

Posted: Tue, 25 Jul 2017, 23:23
by 6mdx
Hey guys,After reading the 71 pages, some of them twice, my interest has peaked enough to buy one. But where, is there an alternative to ebay? Can we buy a "voltronics" branded one?

cheers Robert

PIP-4048MS inverter

Posted: Wed, 26 Jul 2017, 00:12
by lopez
I would get one that meets all the required IEC or Standards. I would get one from an Australian supplier along as it meets all requirements for use in Australia. Like the one from www.giantpower.com.au. Having a warranty service in Australia is an advantage.
Giant Power is used by a solar guru called Glen Morris (Australian Solar Council) in Australia for training people on Solar in Melbourne. If it is good enough for him it must be ok.
You would want to install it before the new draft "AS/NZS 5139 Electrical Installations – Safety of battery systems for use with power conversion equipment" comes into effect.

PIP-4048MS inverter

Posted: Wed, 26 Jul 2017, 00:59
by coulomb
6mdx wrote: But where, is there an alternative to ebay?
Ebay (via shop Maximum Solar) is pretty good. Quite quick shipping too. Being located in Taiwan, they seem to have good access to the developers. I have no association apart from being a satisfied customer.
Can we buy a "voltronics" branded one?
As far as I know, there is no such thing; they are all branded something else. It seems to be a choice by this particular manufacturer.

PIP-4048MS inverter

Posted: Wed, 26 Jul 2017, 01:01
by weber
lopez wrote:I would get one from an Australian supplier along as it meets all requirements for use in Australia. Like the one from www.giantpower.com.au. Having a warranty service in Australia is an advantage.

Unfortunately, Giant Power no longer sell the inverter separately. They only sell it as part of their battery system.

PIP-4048MS inverter

Posted: Wed, 26 Jul 2017, 23:36
by 6mdx
thanks for the replies guys, looks like ebay is the option that is easiest.

cheers Robert

PIP-4048MS inverter

Posted: Thu, 17 Aug 2017, 14:49
by andys
Just tried a new generator - its a Honda 13HP petrol with 8kW alternator. Reading a strong 240VAC while maintaining 50 amps PIP charge rate, for quite some time before dropping out. Then it gets worse and worse, shorter periods until the next drop out.

I tried removing all other AC loads and it just seemed to make it worse - now only making it up to 40A charge rate before dropping out.

So, still not sure what is going on.

Re: PIP-4048MS inverter

Posted: Sat, 19 Aug 2017, 07:27
by paulvk
The description sounds like something shutting down due to heat.
Now I know that the heat sinks get to over 50c and this caused me to install external 120mm fans to keep them below 43c
and I also think the capacitor failure is due to this heating them.
So do you have any way of getting more air through the unit to test this theory?

Re: PIP-4048MS inverter

Posted: Mon, 21 Aug 2017, 20:41
by Revlac
Well overheating would be a possibility if you were charging on a really hot day? I have measured 60c air temp coming of the fans last summer.
However i think there may be something els going on.
It looks as if it just shuts off without regulating properly

We use a PIP4048HS and PCM60X MPPT charge controller, so far and have never used the generator input to charge the batteries so i don't know if the HS model will suffer from the same charging issues.
Now i had a similar problem with the PCM60X when charging a set of lead acid batteries that where to small, it would often charge up to set voltage or a little higher and the cut out (large voltage swing) and start again. this happened many times a day (it may be switching between float and absorb mode, After I changed to customized charge settings no more problems.
I now have better batteries.

Some of the PIP4048MS models did the same thing, often referred to as cloud edge affect, I think that was fixed with a firmware upgrade.

What I'm talking about is check the voltage that the charge drops out at when charging from the geny?
Then try adjusting the voltage between Bulk Charge, Absorb and Float (if that can be done?) See if the behavior changes?
I don't know anything about the settings for the MS model as i don't have one
could be some small software glitch

I could be barking up the wrong tree.

Note: I had a busted IGBT on another HS main board it had a common mode choke (L3) on the geny input, The replacement main board did not have this choke for some reason!

Cheers
Aaron

Re: PIP-4048MS inverter

Posted: Fri, 25 Aug 2017, 20:56
by Revlac
Hi All
Today we fired up the new PIP-5048, working good the fans run all the time unlike the earlier version's
And they have finally put the fans in the other way round, now they draw the cool air in through the bottom and the heat comes out the top, As it should.
The IGBT's on the High Voltage side, STGW80H65DFB

Note on another post.
Loads that affect voltage stability:
LG front load washing Machine on the wash cycle, made the lights flicker in the house and the old battery charger I had running, the old volt/amp meter would bounce noticeably.

Now I fitted a ferrite Round cable suppression sleeve around the cord of the appliance, tried a few sizes best results form the small one that fits snug around the cord. less noticeable flicker on the house lights and no bounce on the battery charger volt/amp meter. All Good
Just thought someone may find that helpful.

Cheers
Aaron

Re: PIP-4048MS inverter

Posted: Fri, 25 Aug 2017, 21:11
by coulomb
Revlac wrote:
Fri, 25 Aug 2017, 20:56
Now I fitted a ferrite Round cable suppression sleeve around the cord of the appliance, tried a few sizes best results form the small one that fits snug around the cord. less noticeable flicker on the house lights...
So that's around the active and neutral leads together? Interesting that it works. I'd guess it would work even better with two small, separate beads around the active and neutral separately.

Thanks for sharing.

Re: PIP-4048MS inverter

Posted: Sat, 26 Aug 2017, 21:30
by Revlac
Yes around the active and neutral leads together, there may be other ways to do it but that was quick and simple for me at the time, I think its to do with spikes from PWM controlled devices. (affects other types of inverters as well)
Anyway I have to say thanks Coulomb, Weber and others for the info on the PIP Repair.
I will have a go at fixing my busted main board at some stage when I have more time.

Cheers
Aaron

Re: PIP-4048MS inverter

Posted: Wed, 30 Aug 2017, 06:15
by hennejg
Now that I've read through most of the pages, I am still wondering about the 24V model. I am currently using a PIP-2424MSX (sold in Germany under the Effekta brand) and am in the process of switching from lead-acid to LiFePo4 (GBS cells with an EMUS BMS).

I do realize that the patched firmwares for the PIP-4048MS do not apply to the 24V models and I could not find anyone else working on them. However, I hope that you guys around here, being most likely only second to the Voltronic/MPP engineers when it comes to knowledge about those devices, know one or two things about the 24V devices as well. Specifically, I'm wondering

* Will it even work with LeFePo4 cells which I naively just assumed to be the case?
* Is the bug present on the 24V models as well?
* Do you know of any resources (similar to this forum) dedicated to the 24V models?
* Right now, I could probably make the switch to 48V and sell my 24V box on eBay, but after I've got the battery that makes no sense anymore, so the questioin is: is it worth it?

Any help would be greatly appreciated. Thanks in advance.
Jörg