PIP-4048MS and PIP-5048MS inverters

non-EV Solar, Wind and other renewable power sources
non-EV batteries and other energy storage stuff
Forum rules
Important!
This forum is for discussion of Non-EV matters.
User avatar
weber
Site Admin
Posts: 2539
Joined: Fri, 23 Jan 2009, 17:27
Real Name: Dave Keenan
Location: Brisbane
Contact:

Re: PIP-4048MS inverter

Post by weber » Mon, 13 Aug 2018, 15:06

Hi Kimo-23. I don't recommend updating the software at this stage. I suggest disconnecting the SCC completely from the main board, and then seeing if the SP5000 will work as an inverter and AC charger without giving the error 03. My thinking is based on the fact that the main board requests the battery voltage via serial communication from the SCC, as well as reading it from its own sense resistors. This experiment would establish whether the wrong voltage reading is due to the new SCC.
One of the fathers of MeXy the electric MX-5, along with Coulomb and Newton (Jeff Owen).

User avatar
reecho
Senior Member
Posts: 660
Joined: Sun, 17 Apr 2011, 02:39
Real Name: Richard Baird
Location: Perth WA
Contact:

Re: PIP-4048MS inverter

Post by reecho » Mon, 13 Aug 2018, 18:54

weber wrote:
Mon, 13 Aug 2018, 07:57
reecho wrote:
Sun, 12 Aug 2018, 20:46
Is there a possibility for custom firmware for the 3024MSE?.
Sorry Reecho, but no. At least not from Coulomb and I. As you can imagine, it is very time-consuming work. Keeping up with PIP-4048MS firmware, and hopefully soon PIP-5048MS firmware, when new version come out, is as much as we can handle. And even if we wanted to, we don't have a copy of the 3024MSE firmware and we don't have a machine to test it on.
No probs. This site i'm working on (swapping Trojan lead for AVASS LifePo 4 with the mentioned PIP) may end up upgrading in the future. I will have to set some easy limits with the SCC and monitor it closely.

User avatar
coulomb
Site Admin
Posts: 3553
Joined: Thu, 22 Jan 2009, 20:32
Real Name: Mike Van Emmerik
Location: Brisbane
Contact:

Re: PIP-4048MS inverter

Post by coulomb » Mon, 13 Aug 2018, 22:19

reecho wrote:
Sun, 12 Aug 2018, 20:46
Is there a possibility for custom firmware for the 3024MSE?.
I agree with Weber's comments. However, I note that the MSE series, being "economy" models, aren't parallelable. So they should not have the major charge bug, which is in a function associated with parallel operation. In fact, I believe that the source file name with the main charge bug is "parallel.c". [ Edit: It seems I was wrong; see this post. ]

So the major impetus for patching the firmware would not be present.

As a point of interest, what features were you hoping for in a patched firmware?
Learning how to patch and repair PIP-4048 inverter-chargers and Elcon chargers.

User avatar
weber
Site Admin
Posts: 2539
Joined: Fri, 23 Jan 2009, 17:27
Real Name: Dave Keenan
Location: Brisbane
Contact:

Re: PIP-4048MS inverter

Post by weber » Tue, 14 Aug 2018, 15:42

coulomb wrote:
Mon, 13 Aug 2018, 22:19
... I note that the MSE series, being "economy" models, aren't parallelable. So they should not have the major charge bug, which is in a function associated with parallel operation. In fact, I believe that the source file name with the main charge bug is "parallel.c".
Despite asking Coulomb to explain this in email, I still have no idea why he thinks that the function containing the bug is "associated with parallel operation" in such a way as to suggest that it would not be present in a non-parallelable machine. The function is only associated with parallel operation in the weak sense that almost every function needs to consider other machines in parallel, when they can exist. The bug itself is not associated with parallel operation in any way.

The bug is in the function that checks whether the conditions have been met to go from absorb stage to float stage. This is required whether machines are parallelable or not. As Coulomb discovered, the bug consists in choosing the smaller of the absorb and float voltage settings when it should be choosing the larger. The cause was probably a programmer typing a "<" instead of a ">".

The MSE and MS series are so similar in every respect apart from parallelability, that I think it is almost certain they use the same code-base. I think the parallel version of that function was almost certainly created by copying a non-parallel version and modifying it. But there was no reason to revisit the buggy comparison in that process, as this only involves voltage settings, and voltage settings are necessarily the same across all machines in parallel. Other functions take care of that.

So I think it is highly likely that the MSE series have the same premature-float bug as the MS. But there is no need to rely on either Coulomb's theory or mine. If you have one, you can just do the experiment I describe here:
viewtopic.php?title=pip4048ms-inverter& ... 332#p59896

The good news is that Coulomb and I have weakened. :) We will look at fixing the premature float bugs (only), in any model closely related to the PIP-4048MS (off-grid, not grid-feed or hybrid) [Edit: and not those models with unsafe SCCs (those that can't go below 120 V and have no insulation monitoring)], if someone can send us a firmware update file for it, e.g. by forum private message. We will keep such benefactors anonymous.
One of the fathers of MeXy the electric MX-5, along with Coulomb and Newton (Jeff Owen).

Kimo-23
Noobie
Posts: 8
Joined: Sun, 12 Aug 2018, 09:26

Re: PIP-4048MS inverter

Post by Kimo-23 » Tue, 14 Aug 2018, 18:27

weber wrote:
Mon, 13 Aug 2018, 15:06
Hi Kimo-23. I don't recommend updating the software at this stage. I suggest disconnecting the SCC completely from the main board, and then seeing if the SP5000 will work as an inverter and AC charger without giving the error 03. My thinking is based on the fact that the main board requests the battery voltage via serial communication from the SCC, as well as reading it from its own sense resistors. This experiment would establish whether the wrong voltage reading is due to the new SCC.
Hi I tried to disconnect the SCC from the mainboard and connect only the batteries but the inverter does not start. I am desperate. is there any other way to remove the error 03 thank you very much

User avatar
weber
Site Admin
Posts: 2539
Joined: Fri, 23 Jan 2009, 17:27
Real Name: Dave Keenan
Location: Brisbane
Contact:

Re: PIP-4048MS inverter

Post by weber » Tue, 14 Aug 2018, 19:07

Kimo-23 wrote:
Tue, 14 Aug 2018, 18:27
Hi I tried to disconnect the SCC from the mainboard and connect only the batteries but the inverter does not start. I am desperate. is there any other way to remove the error 03 thank you very much
My mistake. I think there is a thin white cable with a 2-pin plug, from the SCC to the main board, that is needed to allow the main board to work. For this experiment, I think you can have every connection from the SCC to the main board except for the white ribbon cable that goes from the SCC to the processor daughter board. I think it has a 6 pin or 8 pin white plug. [Edit: Turns out it's 4 pin] It is a serial comms cable. Just leave that one disconnected, so the main board cannot communicate with the SCC. Then connect only the battery and see if it works as an inverter without the error 03.

What is the U1 version number?

When you reconnect the SCC comms cable, and connnect solar panels and battery, what is the U2 version number?
One of the fathers of MeXy the electric MX-5, along with Coulomb and Newton (Jeff Owen).

User avatar
coulomb
Site Admin
Posts: 3553
Joined: Thu, 22 Jan 2009, 20:32
Real Name: Mike Van Emmerik
Location: Brisbane
Contact:

Re: PIP-4048MS inverter

Post by coulomb » Tue, 14 Aug 2018, 20:59

Kimo-23 wrote:
Sun, 12 Aug 2018, 09:43
in the display where there is battery information, it gives me a voltage of 119 volts !!!!!
The LC Display of the inverter model we know shows the battery voltage as NN.N, so a maximum of 99.9 V. How did you see the 119 V figure? [ Edit: I was wrong. Up to 999 V can be displayed by removing the decimal point. ]

Edit: "does not start" could mean doesn't invert, or nothing displays at all. In "fault mode" (when a fault code like 03 is showing), the inverter will never invert, but I believe you can still scroll through the display settings with the up and down buttons. What does the battery voltage say?

My recollection is that the 2-pin connector from the SCC is just as an alternative way to start the machine. So I don't think that should stop the inverter from displaying anything.
Use the rocker switch under the machine to start it.
Learning how to patch and repair PIP-4048 inverter-chargers and Elcon chargers.

Kimo-23
Noobie
Posts: 8
Joined: Sun, 12 Aug 2018, 09:26

Re: PIP-4048MS inverter

Post by Kimo-23 » Wed, 15 Aug 2018, 01:58

coulomb wrote:
Tue, 14 Aug 2018, 20:59
Kimo-23 wrote:
Sun, 12 Aug 2018, 09:43
in the display where there is battery information, it gives me a voltage of 119 volts !!!!!
The LC Display of the inverter model we know shows the battery voltage as NN.N, so a maximum of 99.9 V. How did you see the 119 V figure?

Edit: "does not start" could mean doesn't invert, or nothing displays at all. In "fault mode" (when a fault code like 03 is showing), the inverter will never invert, but I believe you can still scroll through the display settings with the up and down buttons. What does the battery voltage say?

My recollection is that the 2-pin connector from the SCC is just as an alternative way to start the machine. So I don't think that should stop the inverter from displaying anything.
Use the rocker switch under the machine to start it.
i see the 119 figure in the battery information's the inverter start but with error
i scrolled through the display settings, the battery voltage say 119v :-(

User avatar
coulomb
Site Admin
Posts: 3553
Joined: Thu, 22 Jan 2009, 20:32
Real Name: Mike Van Emmerik
Location: Brisbane
Contact:

Re: PIP-4048MS inverter

Post by coulomb » Wed, 15 Aug 2018, 08:05

Kimo-23 wrote:
Wed, 15 Aug 2018, 01:58
i scrolled through the display settings, the battery voltage say 119v :-(
My apologies. It seems that battery voltages up to 999 V can be displayed. My only suggestion is that the battery sense resistors or some other part of the battery voltage sense circuit have been damaged, presumably during the SCC replacement. Possibly one of these 1 MΩ resistors:

Possible battery sense resistors.jpg
Possible battery sense resistors.jpg (133.55 KiB) Viewed 2209 times
One megohm is a high value resistor, so some sort of slightly conductive gunk around one or more of them could change the battery reading dramatically. Higher conductivity of these high-side sense resistors will lead to a higher than actual battery voltage reading. They will be under some form of coating, which would normally protect them, so this may have been scratched or otherwise damaged. I'm not 100% certain that these are the battery sense resistors, but the in-line formation and being so close to the battery fuse (marked 200 in the photo; yours may look quite different) suggests that they are.

The rest of the battery sense circuitry might be found by following the traces under the white silk screen cover (this seems to be an additional protection, over and above the usual green solder resist, to protect sensitive PCB traces). But the rest of the circuit could possibly be as simple as a single resistor and capacitor to battery negative.
[ Edit: however, with the two strings of resistors visible, this suggests an operational amplifier to respond to the difference between two voltage dividers. ]
[ Edit 2: So my suggestion would be to measure the value of those eight resistors; in-circuit should be OK. ]
Learning how to patch and repair PIP-4048 inverter-chargers and Elcon chargers.

User avatar
reecho
Senior Member
Posts: 660
Joined: Sun, 17 Apr 2011, 02:39
Real Name: Richard Baird
Location: Perth WA
Contact:

Re: PIP-4048MS inverter

Post by reecho » Wed, 15 Aug 2018, 09:50

coulomb wrote:
Mon, 13 Aug 2018, 22:19
reecho wrote:
Sun, 12 Aug 2018, 20:46
Is there a possibility for custom firmware for the 3024MSE?.
As a point of interest, what features were you hoping for in a patched firmware?
LifePo4 charging support for AVASS cells... :-). But it appears setting bulk and float to the same voltage might work.

User avatar
weber
Site Admin
Posts: 2539
Joined: Fri, 23 Jan 2009, 17:27
Real Name: Dave Keenan
Location: Brisbane
Contact:

Re: PIP-4048MS inverter

Post by weber » Wed, 15 Aug 2018, 11:08

coulomb wrote:
Tue, 14 Aug 2018, 20:59
My recollection is that the 2-pin connector from the SCC is just as an alternative way to start the machine. So I don't think that should stop the inverter from displaying anything.
Use the rocker switch under the machine to start it.
Coulomb is correct. I just tried it.
Kimo-23 wrote:
Wed, 15 Aug 2018, 01:58
i see the 119 figure in the battery information's the inverter start but with error
i scrolled through the display settings, the battery voltage say 119v :-(
Was that with the SCC connected to the main board?

You still haven't told us your main and secondary version numbers, to the right of "U1" and "U2", as shown on the LCD by pushing the Up button.
One of the fathers of MeXy the electric MX-5, along with Coulomb and Newton (Jeff Owen).

Kimo-23
Noobie
Posts: 8
Joined: Sun, 12 Aug 2018, 09:26

Re: PIP-4048MS inverter

Post by Kimo-23 » Thu, 16 Aug 2018, 00:24

weber wrote:
Wed, 15 Aug 2018, 11:08
coulomb wrote:
Tue, 14 Aug 2018, 20:59
My recollection is that the 2-pin connector from the SCC is just as an alternative way to start the machine. So I don't think that should stop the inverter from displaying anything.
Use the rocker switch under the machine to start it.
Coulomb is correct. I just tried it.
Kimo-23 wrote:
Wed, 15 Aug 2018, 01:58
i see the 119 figure in the battery information's the inverter start but with error
i scrolled through the display settings, the battery voltage say 119v :-(
Was that with the SCC connected to the main board?

You still haven't told us your main and secondary version numbers, to the right of "U1" and "U2", as shown on the LCD by pushing the Up button.
no, the SSC was not connected to the main board
u1 01 and u2 52
thanks

User avatar
coulomb
Site Admin
Posts: 3553
Joined: Thu, 22 Jan 2009, 20:32
Real Name: Mike Van Emmerik
Location: Brisbane
Contact:

Re: PIP-4048MS inverter

Post by coulomb » Thu, 16 Aug 2018, 21:10

Kimo-23 wrote:
Tue, 14 Aug 2018, 18:27
... but the inverter does not start. I am desperate. is there any other way to remove the error 03
There is a small chance that resetting to default settings will fix the problem. Use Watchpower or ICC or other monitoring software, or send a REEP (REset EeProm) command with the usual CRC and carriage return.

Also, the U1 and U2 version numbers you sent seem wrong. Both have two two-digit numbers, e.g. U1 52 30 and U2 01 24. You won't see the U2 version number unless the SCC is connected and running with PV and daylight.
Learning how to patch and repair PIP-4048 inverter-chargers and Elcon chargers.

User avatar
weber
Site Admin
Posts: 2539
Joined: Fri, 23 Jan 2009, 17:27
Real Name: Dave Keenan
Location: Brisbane
Contact:

Re: PIP-4048MS inverter

Post by weber » Fri, 17 Aug 2018, 06:57

I don't think WatchPower or ICC will send the undocumented REEP command, only the weaker documented PF command. The REEP command will have to be sent manually, using a terminal-emulator program.

The "usual CRC" for a REEP command cannot be typed as normal characters. In hexadecimal it is C6C2 (obtained as the XModem CRC from Lamert Bies CRC calculator).

Coulomb has a post here telling us how to manually send commands to a PIP, except it is about sending commands to change the AC output voltage.
viewtopic.php?p=66646#p66646

To send a REEP command, substitute the following key sequences for those Coulomb gives in that post.

For a correctly set up Tera Term:
shift+R    shift+E    shift+E    shift+P    right alt+shift+F    right alt+shift+B    enter

For RealTerm or AccessPort:
0x52 0x45 0x45 0x50 0xC6 0xC2 0x0D
One of the fathers of MeXy the electric MX-5, along with Coulomb and Newton (Jeff Owen).

Kimo-23
Noobie
Posts: 8
Joined: Sun, 12 Aug 2018, 09:26

Re: PIP-4048MS inverter

Post by Kimo-23 » Sat, 18 Aug 2018, 23:22

thanks to all of you because you are helping me. I'm not so practical about these things. can you explain to me how I can update / reset my opti-solar.thanks a thousand

User avatar
coulomb
Site Admin
Posts: 3553
Joined: Thu, 22 Jan 2009, 20:32
Real Name: Mike Van Emmerik
Location: Brisbane
Contact:

Re: PIP-4048MS inverter

Post by coulomb » Sun, 19 Aug 2018, 21:27

Kimo-23 wrote:
Sat, 18 Aug 2018, 23:22
can you explain to me how I can update / reset my opti-solar.
As Weber pointed out, the WatchPower program is unlikely to use the REEP command; it's more likely to use the PF command, which I believe won't do the job of resetting an internal flash value that is used to calibrate the battery voltage measurement.

So you need to send a command to the inverter through the RS-232 port. For this, you will need a computer and a USB to RS232 adapter, like the one in this post. In order to talk to the serial port, you need a terminal emulator program, such as TeraTerm, RealTerm, or AccessPort. These are all free programs, you can find them readily by Google or other search. TeraTerm is a little harder to set up, so I'd suggest one of the others. Follow instructions to set up the correct serial port, and set the speed to 2400 bps (bits per second). You should be able to type junk at it (say abcenter) and it should respond with something like (NAKss (this is a Negative Acknowledge, i.e. it didn't understand or accept the command. The "ss" are more CRCs).

Nearly all commands have to end with a pair of valid Cyclic Redundancy Characters (CRCs). Weber has calculated the CRCs for the REEP command in the above post. The CRCs are eight bit characters, so they're not necessarily "printable", and as luck would have it, neither of them is printable. So that's why you have to send the command in hexadecimal form. Sending abcenter in hexadecimal is 0x71 0x72 0x73 0x0D. The "0x" (zero, not Oh) is a common way to specify a character in hex; it comes from the C programming language. 0x71 happens to be the ASCII code for character 'a'; 0x0D happens to be the hex code for the "enter" character that terminates all commands.

So once you are set up, all you need to do is to paste
0x52 0x45 0x45 0x50 0xC6 0xC2 0x0D
into the terminal program, and the inverter should reply with
(ACK9
The response is an open parenthesis (indicating the start of a response), and "ACK" for positive acknowledge (the inverter understood and has accepted the command). The "9" is the first CRC character; the inverter adds CRCs to its responses as well. The second CRC character happens to be a space character, so it's not visible.

Hopefully that makes more sense to someone who's not experienced with these things. Give it a go, and ask more detailed questions if necessary.

Unfortunately, this command may only fix one of the two internal flash values that are used to calibrate the battery voltage reading (one is an offset, the other is a scale factor). And of course, your problem may be hardware, not flash values. But it would seem worth a try.

[ Edit: fixed mangled keyboard formatting ]
Learning how to patch and repair PIP-4048 inverter-chargers and Elcon chargers.

Kimo-23
Noobie
Posts: 8
Joined: Sun, 12 Aug 2018, 09:26

Re: PIP-4048MS inverter

Post by Kimo-23 » Mon, 20 Aug 2018, 05:30

Thank you very much
The inverter it should be attached ti the battery and PV ti do the Reset?
Thank you for your patience

User avatar
coulomb
Site Admin
Posts: 3553
Joined: Thu, 22 Jan 2009, 20:32
Real Name: Mike Van Emmerik
Location: Brisbane
Contact:

Re: PIP-4048MS inverter

Post by coulomb » Mon, 20 Aug 2018, 07:09

Kimo-23 wrote:
Mon, 20 Aug 2018, 05:30
The inverter it should be attached ti the battery and PV ti do the Reset?
Battery yes, PV doesn't matter. [ Edit: it helps prevent shutdown after 30s; see next few posts. ]
Learning how to patch and repair PIP-4048 inverter-chargers and Elcon chargers.

Kimo-23
Noobie
Posts: 8
Joined: Sun, 12 Aug 2018, 09:26

Re: PIP-4048MS inverter

Post by Kimo-23 » Mon, 20 Aug 2018, 20:50

hi
after attach the batteries and start the inverter, it shutdown after 15 second or less because it's in FAULT 03 and i can't comunicate with it and configure Realterm :x :x :x :x .
in this case how can i reset the firmware
thanks

User avatar
coulomb
Site Admin
Posts: 3553
Joined: Thu, 22 Jan 2009, 20:32
Real Name: Mike Van Emmerik
Location: Brisbane
Contact:

Re: PIP-4048MS inverter

Post by coulomb » Tue, 21 Aug 2018, 08:11

Kimo-23 wrote:
Mon, 20 Aug 2018, 20:50
... it shutdown after 15 second or less because it's in FAULT 03 and i can't comunicate with it
That's a nuisance. [ Edit: but avoidable; see next post. ] But you should be able to configure RealTerm first, get the string ready so all you have to do is click the mouse button, then cycle the power on your inverter and send the already-queued command before it shuts down.
Learning how to patch and repair PIP-4048 inverter-chargers and Elcon chargers.

User avatar
coulomb
Site Admin
Posts: 3553
Joined: Thu, 22 Jan 2009, 20:32
Real Name: Mike Van Emmerik
Location: Brisbane
Contact:

Re: PIP-4048MS inverter

Post by coulomb » Tue, 21 Aug 2018, 09:55

I hadn't paid much attention to Fault Mode firmware code, since fortunately I haven't seen faults very often.

It seems that there is a 30 second timeout, so when in fault mode, the power supply will turn off if there is no charge source (AC input or PV). This is presumably to save the battery, though that reasoning (the manufacturer's, or more likely mine) seems dubious.

So you can make things less stressful for yourself by having either AC input present, or PV on.

In fact, you might be better off starting without a battery, something I thought was impossible except with very old hardware. It seems if you have no battery and the AC input is present, the machine might start up in line (bypass) mode. If your machine is made after about 2013, you may need PV input to actually power the electronics (processor, display, serial port). I didn't think that the SCC would be able to regulate a normal battery voltage with very little load.

So this presents another possible explanation for fault code 03. Perhaps the 119 V is real, and is different from the voltage of the battery terminals because your battery fuse (either a real 200 A fuse, or a roughly 200 A fusible link) is blown. Can you check your battery fuse? If you really have 119 V on the internal battery bus, this will be very bad for your capacitors (likely rated at 63 V), and for other components. If you have a utility power supply present (e.g. you can see a TX6 yellow and black "transformer", as shown in the photo in the linked post), then I strongly suggest you use AC input to power the inverter, and don't use PV input until you know that the battery fuse is OK.

If the battery fuse is blown, and it turns out that the 119 V is real, then you have likely blown up a lot of other components in the battery-side DC-DC. You described the original fault as the MPPT board having "burned out". This sounds like a high-current event, which may possibly have caused the 200 A battery fuse to blow. (The >200 A would probably have come from the battery, not the PV panels.)

I'm sorry that this possibility didn't occur to me earlier. Of course, I hope I'm wrong about burning up more components.
Learning how to patch and repair PIP-4048 inverter-chargers and Elcon chargers.

User avatar
coulomb
Site Admin
Posts: 3553
Joined: Thu, 22 Jan 2009, 20:32
Real Name: Mike Van Emmerik
Location: Brisbane
Contact:

Re: PIP-4048MS inverter

Post by coulomb » Wed, 22 Aug 2018, 12:05

coulomb wrote:
Tue, 21 Aug 2018, 09:55
Perhaps the 119 V is real, and is different from the voltage of the battery terminals because your battery fuse (either a real 200 A fuse, or a roughly 200 A fusible link) is blown.
Weber has pointed out to me that this is unlikely, since you have probably been using your inverter-charger with the battery as the only source of power (no AC in, and no PV connected). Is this the case?

Also, I failed to mention that the fuse I referred to above is an internal fuse, not something you have wired in yourself to protect your battery cables. It's on the main PCB near the battery terminals.
Learning how to patch and repair PIP-4048 inverter-chargers and Elcon chargers.

djonexx
Noobie
Posts: 3
Joined: Sat, 25 Aug 2018, 13:48
Real Name: Ionut N

LG Chem Resu 10 with PIP-4048MS

Post by djonexx » Sat, 25 Aug 2018, 14:12

Hello everyone,

I am following this forum for a long time now, and learned a lot in the process :)

I have a setup with 3 PIP4048MS inverters in a 3-phase configuration, 4.6 KWp panels distributed across all three and a lead-acid bank of 48V 400Ah, in 4s2p configuration. I'm running the beta 73.00c firmware. I have a connection to mains, and the purpose of the whole thing is to use as much solar energy as possible during the day and some of it during the night. In the summer months the system rarely switches back to mains so it fulfills its purpose.

However, after just a few hundred cycles one of the batteries from the bank died and now I'm considering moving on to a Lithium battery. I am currently looking at the LG Chem's RESU 10 LV (48V 189Ah). Leaving aside its need to communicate via CAN bus to the inverters for which there are solutions, will it work with the FL1_73.00c firmware? I see from specs the voltage range for the battery is between 42.0 and 58.8V, and the FL firmware has a minimum low cutoff voltage of 44V. The nominal battery voltage is 51V (16s configuration).

Thank you!

User avatar
weber
Site Admin
Posts: 2539
Joined: Fri, 23 Jan 2009, 17:27
Real Name: Dave Keenan
Location: Brisbane
Contact:

Re: LG Chem Resu 10 with PIP-4048MS

Post by weber » Sat, 25 Aug 2018, 14:31

djonexx wrote:
Sat, 25 Aug 2018, 14:12
However, after just a few hundred cycles one of the batteries from the bank died and now I'm considering moving on to a Lithium battery. I am currently looking at the LG Chem's RESU 10 LV (48V 189Ah). Leaving aside its need to communicate via CAN bus to the inverters for which there are solutions, will it work with the FL1_73.00c firmware? I see from specs the voltage range for the battery is between 42.0 and 58.8V, and the FL firmware has a minimum low cutoff voltage of 44V. The nominal battery voltage is 51V (16s configuration).
Hi djonexx. Welcome. I assume you mean LF1_73.00c. No. You would not use that firmware with the LG Chem batteries. The LF1 firmware is only for batteries using LFP (Lithium Ferrous Phosphate) cells (15 or 16 in series). All other lithium chemistries should use the LC1 firmware, the same as is used for lead-acid. The LG Chems use NMC (lithium Nickel Manganese Cobalt oxide) cells (14 in series).

You can think of the "LF" as standing for "Lithium Ferrous" (phosphate) and the "LC" as standing for either "Lithium Cobalt" (blends) or "Lead aCid". But the "L" also stands for "reLease" in both cases, as opposed to "B" for "Beta".
One of the fathers of MeXy the electric MX-5, along with Coulomb and Newton (Jeff Owen).

6mdx
Groupie
Posts: 39
Joined: Tue, 23 May 2017, 21:17
Real Name: Robert Black
Location: Lismore

Re: PIP-5048HS inverter

Post by 6mdx » Mon, 27 Aug 2018, 11:21

Hi guys, my power went off today, seems the BMS shut down as the SCC was overcharging the batteries.

I turned of solar and inverter. Then diconnected the battery for about 30 sec.

No joy, on reconnection the pip5048 went thru start up then after about 1 mim started trying to put 30 plus amps into fully charged batteries (15s) Calb 180.

Seems the SCC has a problem.

Any help appreciated.

Cheers Robert

Post Reply