Simp BMS

Topics concerning OEM and open source BMSes
Jiyar
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Re: Simp BMS

Post by Jiyar »

mane2 wrote: Sun Mar 02, 2025 11:01 am If you clone the repo, open it with VS Code and have PlatformIO installed, it pulls the required libraries and compiles successfully without any modifications. Just tested.
Thank you for quick response, I'll do that
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Re: Simp BMS

Post by johnsongt350 »

ImageHi I am having an issue getting my car to charge. I'm using the simp bms v2 and a simp charge. I have an elkon 6.6 charger. I have the charger wired behind contactors.
Please see the current settings on the dashboard. Let me know if you see anything I'm missing.
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tom91
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Re: Simp BMS

Post by tom91 »

? post some more info on you issue.
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Re: Simp BMS

Post by johnsongt350 »

When I plug In the EVSE it indicates ready on the EVSE. Nothing happens, no fan, no charge. I have 12volts at the simp charge, good ground. All connections are secure. I have the proper resister in place as well. I was wondering if any of my parameters need to be adjusted in the photos above
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tom91
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Re: Simp BMS

Post by tom91 »

This is not the SimpBMS but Vero-BMS I believe reach out directly to them. https://veroelectric.com/product/vero-bms-v2
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Re: Simp BMS

Post by johnsongt350 »

Ok thanks
toshimin
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Re: Simp BMS

Post by toshimin »

Hello ;)
Has anyone run simp bms on lilygo T-CAN485 ESP32 segregator RS-485 ?
https://pl.aliexpress.com/item/10050036 ... pt=glo2pol
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Re: Simp BMS

Post by tom91 »

E46Kim wrote: Sat Jun 14, 2025 9:39 pm I’m working on a BMW G30 Gear Selector integration project using Teensy 4.0.
Go post in a relevant topic and not randomly in other topics.
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Bigpie
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Re: Simp BMS

Post by Bigpie »

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Re: Simp BMS

Post by bigmotherwhale »

I have an Eltek valere charger "eltek PC" I have used it successfully before in normal operation (ev)
Is it possible to charge in ESS mode using the AC present pin?
I want to use it in parallel to an inverter to charge at a higher rate.
thankyou
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Re: Simp BMS

Post by tom91 »

bigmotherwhale wrote: Mon Jul 14, 2025 3:13 pm I want to use it in parallel to an inverter to charge at a higher rate.
Using more then one type of charger is not supported.
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Re: Simp BMS

Post by bigmotherwhale »

tom91 wrote: Mon Jul 14, 2025 4:43 pm Using more then one type of charger is not supported.
what would be the issue? the inverter is not controlled by simpbms, the eltek pc will be the only charger the simpbms "sees"
thankyou
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Re: Simp BMS

Post by tom91 »

bigmotherwhale wrote: Mon Jul 14, 2025 4:49 pm what would be the issue? the inverter is not controlled by simpbms, the eltek pc will be the only charger the simpbms "sees"
You did not specify that. Then yes you can just have the SimpBMS configured with Eltek charger in ESS mode it continuedly sends the messages for chargers.
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Re: Simp BMS

Post by bigmotherwhale »

sorry
does it turn off and on using the AC present pin like in EV mode?
that would be easier than using a relay to control AC mains to the charger
thanks again.
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Re: Simp BMS

Post by tom91 »

bigmotherwhale wrote: Mon Jul 14, 2025 4:58 pm does it turn off and on using the AC present pin like in EV mode?
tom91 wrote: Mon Jul 14, 2025 4:53 pm ESS mode it continuedly sends the messages for chargers.
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Re: Simp BMS

Post by bigmotherwhale »

I think the code may have changed which is why im confused, do i have to put the serial number in manually for eltekPC and then flash it?
There is no longer a message received in 0x350 that is entered into ChargerSerial that i can find in the code or am I mistaken?
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Re: Simp BMS

Post by tom91 »

I have zero idea what you are on about. It supports the generic Eltek control
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Re: Simp BMS

Post by bigmotherwhale »

OutlanderBMSv2.ino
#define EltekPC 7

requires a login on 0x351

byte ChargerSerial[6];

there is no longer any code to take the charger announce from the 0x350 and plug it into ChargerSerial

also can i add to the if statement of ESS mode to use the AC present to enable charging?
like this:

if (millis() - looptime1 > settings.chargerspd) {
looptime1 = millis();
if (settings.ESSmode == 1 && digitalRead(IN3) == HIGH ) {
chargercomms();
} else {
if (bmsstatus == Charge) {
chargercomms();
}
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tom91
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Re: Simp BMS

Post by tom91 »

You can do whatever you want to your code.
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