May 30, 20197 yr I'm looking to install 2 Pylontech US3000's with our Goodwe (basically replace the current lead acids with the Pylontechs). I have two options: 1. Find a reputable installer in CT. Apparently that is not that easy. I found an installer and got a reasonable quote but a quick look on HelloPeter raised alarm bells. Another installer never even bothered to provide a quote. 2. Buy the batteries and cables online from a reputable supplier - thanks to this forum I found a few - and try the installation myself. I'm not an engineer but I am very practical and can usually figure things out. Youtube videos make it look like a plug and play installation for the most part. Any advice? If (1), then please provide the name of a reputable installer.
May 31, 20197 yr It's plug and play. You already have battery disconnects and fuse, right? It's far simpler than you think, and you literally can't muck it up.
May 31, 20197 yr 3 hours ago, PaulinNorthcliff said: you literally can't muck it up. Hold my beer...
June 3, 20197 yr Author Thanks for the replies. Yes, I have the disconnects and fuses. But when someone tells me I can't muck it up, I tend to do exactly that (and then it is usually something simple I missed).
June 3, 20197 yr 3 hours ago, Niel said: Thanks for the replies. Yes, I have the disconnects and fuses. But when someone tells me I can't muck it up, I tend to do exactly that (and then it is usually something simple I missed). At worst the BMS will tell you : Hey dude! You ducked something up! And just shut itself down.
June 13, 20197 yr Author Ok, it seems it wasn't quite as successful as I hoped. I connected the Pylontech batteries to the Goodwe as instructed and everything works, but it seems the batters and the Goodwe aren't talking to each other. The App shows "Battery Communication Fail" next to BMS status. Two things: 1. The US3000 is not actually available as an option in the app so I selected US2000B*2. 2. I assume the communication cable should go to RS485 port on the Pylontech. Now here's the weird thing. As soon as I connect to the RS485 port on the Goodwe, it stops reading the EzMeter as well. Has anyone come across this issue and have a solution?
June 14, 20197 yr going out on a limb here, the older blue and yellow goodwe did not have support for Lithiums, so there would not be comms between them. you would most likely have to set up the batts in the goodwe with the manufacturers specs for charge rate etc manually. i know a lot of the older and current inverters dont work with the US3000B
June 14, 20197 yr 16 hours ago, Niel said: 2. I assume the communication cable should go to RS485 port on the Pylontech. IIRC it still goes to the CAN port on the Pylontech.
June 14, 20197 yr Author 2 hours ago, PJJ said: IIRC it still goes to the CAN port on the Pylontech. It would seem so, yes. A bit of online research seemed to confirm this so I tried it. The battery and the inverter still does not communicate with each other but at least the EzMeter still communicates with the Goodwe.
June 14, 20197 yr Author 3 hours ago, Mike said: going out on a limb here, the older blue and yellow goodwe did not have support for Lithiums, so there would not be comms between them. you would most likely have to set up the batts in the goodwe with the manufacturers specs for charge rate etc manually. i know a lot of the older and current inverters dont work with the US3000B I wish I knew this before buying the Pylontechs. Everyone states this is a good battery for use with the Goodwe but no-one says the two doesn't actually talk to each other.
June 14, 20197 yr 12 minutes ago, Niel said: It would seem so, yes. A bit of online research seemed to confirm this so I tried it. The battery and the inverter still does not communicate with each other but at least the EzMeter still communicates with the Goodwe. Your Ethernet cable is a normal one and not a crossover?
June 14, 20197 yr Author 2 minutes ago, PJJ said: Your Ethernet cable is a normal one and not a crossover? Sorry, I need some help understanding that. It is the cable that came with the Pylontech batteries (the separate cable pack) for connecting to the inverter. I don't know the difference between normal and cross-over. How can I check that?
June 14, 20197 yr We're having similar problems with a just-installed newer GoodWe with explicit support for US3000. GoodWe 4.6 ES (beige) with 2 x US3000: tried the cable delivered with the goodwe, tried another ethernet cable confirmed working with laptop, tried the cable delivered with the PylonTech connection kit: Battery Communication Fail. @Niel let's keep each other up to date.
June 14, 20197 yr 1 hour ago, cpbotha said: We're having similar problems with a just-installed newer GoodWe with explicit support for US3000. GoodWe 4.6 ES (beige) with 2 x US3000: tried the cable delivered with the goodwe, tried another ethernet cable confirmed working with laptop, tried the cable delivered with the PylonTech connection kit: Battery Communication Fail. @Niel let's keep each other up to date. try a normal patch cable not a twisted pair maybe? does Goodwe support the US3000B or US2000B? i have used them with BYD no issue
June 14, 20197 yr This GoodWe officially supports the US3000, at least in the PV master app there's a whole section for US3000 batteries. Have tried three different BMS cables: the one that comes attached to the goodwe, the one that comes with the pylontech cable pack, and a separate patch cable I usually use to connect one of my laptops to ethernet hub. No dice. Will consider trying crossover tomorrow... It does look like the dip switch settings were wrong. According to the below post by Yoda, and further readings of the manual, dip switches on both pylontechs should be all 0. However, doing this and powercycling the batteries does not seem to have helped. I'll open op the GoodWe again tomorrow morning to make sure the BMS cable is securely in the internal RJ45 socket. (ARGH ARGH ARH why is sitelock blocking my replies?! I was quoting a post by Yoda on this site, and then sitelock blocked my replies numerous times. Really?) Edited June 14, 20197 yr by cpbotha
June 14, 20197 yr 9 minutes ago, cpbotha said: According to the below post by Yoda, and further readings of the manual, dip switches on both pylontechs should be all 0. However, doing this and powercycling the batteries does not seem to have helped. That would be a post by @Youda let's see if I can link it now: https://powerforum.co.za/topic/2734-axpert-settings-vir-pylontech-35-kw/?tab=comments#comment-52016
June 15, 20197 yr 9 hours ago, cpbotha said: (ARGH ARGH ARH why is sitelock blocking my replies?! I was quoting a post by Yoda on this site, and then sitelock blocked my replies numerous times. You have to choose the option to change from a "paste" to a link. That option comes up after a second or two, and lasts a limited time. Not ideal, but if you're watching for it, it gets around this problem. Edited June 15, 20197 yr by Coulomb
June 15, 20197 yr jumpers must be on zero on both units. have you tried custom settings and just bypass the rj45 cable? i have done that with "Mecer" axperts that are not compatible with the US3000's and they work just fine
June 15, 20197 yr On 2019/06/13 at 2:46 PM, Niel said: 1. The US3000 is not actually available as an option in the app so I selected US2000B*2. I guess this can be fixed by updating the firmware. On 2019/06/13 at 2:46 PM, Niel said: 2. I assume the communication cable should go to RS485 port on the Pylontech. Nope, it actually goes to the Can port. Please ensure the end marked Battery goes to the battery.If you turn the cable around, it wont communicate.
June 15, 20197 yr 8 hours ago, Mike said: jumpers must be on zero on both units. have you tried custom settings and just bypass the rj45 cable? i have done that with "Mecer" axperts that are not compatible with the US3000's and they work just fine That's indeed what I'm doing at the moment, but of course I would prefer the BMS to work for better charging and better SOC reporting. I've sent GoodWe support an email with details. I will of course report back here if I make any progress.
June 17, 20197 yr Author On 2019/06/15 at 6:38 AM, Mike said: jumpers must be on zero on both units. have you tried custom settings and just bypass the rj45 cable? i have done that with "Mecer" axperts that are not compatible with the US3000's and they work just fine The DoD setting on the Goodwe is 80% but looking at the lights on the batteries, it actually draws down to less than 10% SoC. And for some reason I can't seem to change the DoD setting using the app. I really need the Pylons and Goodwe to talk to each other.
June 17, 20197 yr Author So it seems the real problem is the age of our Goodwe. Here's what Goodwe China say: "According to the SN,we can see this is the NON-ARM inverter which is different from what I have talked before. For this kind of inverter,you will need use the ezconverter to communicate with the US3000 battery." Now to go and find this EzConverter thing...
June 17, 20197 yr 1 hour ago, Niel said: So it seems the real problem is the age of our Goodwe. Here's what Goodwe China say: "According to the SN,we can see this is the NON-ARM inverter which is different from what I have talked before. For this kind of inverter,you will need use the ezconverter to communicate with the US3000 battery." Now to go and find this EzConverter thing... prolly directly from them, ask and if its an issue let me know
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