01-11-2020, 08:01 PM | #1 |
Getting Wild
Join Date: Jan 2020
Location: Indiana
Posts: 139
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Ant BMS
I just bought 14 Nissan Leaf modules and a 7s-20s 300A Ant BMS. Is there a way to use HV and LV relays with this?
It has no internal relays for this. I plan to convert my 2011 RXV when I receive the parts and need some information. |
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01-12-2020, 10:06 AM | #2 |
Gone Wild
Join Date: May 2012
Location: Rio Verde, Az
Posts: 7,193
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Re: Ant BMS
I'm not familiar with that BMS. You need to supply more info.
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01-12-2020, 10:21 AM | #3 |
Getting Wild
Join Date: Jan 2020
Location: Indiana
Posts: 139
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Re: Ant BMS
It is a 10-24s actually. I bought it on Aliexpress. I couldn’t post the link. Not a member long enough?!?
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01-17-2020, 09:10 AM | #4 |
Getting Wild
Join Date: Jan 2020
Location: Indiana
Posts: 139
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Help with Cinese "Ant BMS"
Okay here is the information for the Ant BMS. I hope someone can give me a little more insight into this than their information does. The video link that was given me is in Chinese with no subtitles. I am trying to figure out if my 2011 RXV needs HV and LV solenoids connected and if I can even do that with this BMS. Thanks!
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01-17-2020, 09:46 AM | #5 |
Gone Wild
Join Date: Oct 2012
Location: Southwestern Pa.
Posts: 6,215
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Re: Ant BMS
In your second document above, it states that: "5. Please do not short connect the two power wires, otherwise there is no low voltage automatic shutdown protection function".
I can only assume there is some sort of "set" LV shutoff in the board? It appears all power is "run thru" this BMS. Perhaps I'm wrong on this but I dunno how the thin wiring on the BMS can handle 36 or 48V when power is demanded. Is there anything that states what the LV for the pack or the individual cell monitoring is? |
01-17-2020, 09:54 AM | #6 |
Getting Wild
Join Date: Jan 2020
Location: Indiana
Posts: 139
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Re: Ant BMS
It is bluetooth and there is an app for the settings. I ordered the 300 amp version. I have attached a picture of the settings page they sent in the info. Haven't received the BMS yet.
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01-17-2020, 08:22 PM | #7 |
Gone Wild
Join Date: Oct 2012
Location: Southwestern Pa.
Posts: 6,215
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Re: Ant BMS
Are those just "example" settings.....or the actual settings you are going to use?
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01-18-2020, 08:04 AM | #8 |
Getting Wild
Join Date: Jan 2020
Location: Indiana
Posts: 139
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Re: Ant BMS
Example settings! That is a picture they sent in the info kit. I don't have any of it yet. I've seen a lot of information on here about high and low settings.
Pingeye3 uploaded a drawing for a 7 module leaf setup using an Aliexpress BMS, which is where I got the ant. It appears to be very similar. Here it is: |
01-18-2020, 08:05 AM | #9 |
Getting Wild
Join Date: Jan 2020
Location: Indiana
Posts: 139
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Re: Ant BMS
I will be using 14 modules instead of 7 though.
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01-18-2020, 08:50 AM | #10 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Ant BMS
Keep in mind that design you posted only protects the pack during charge.
There is no cell low voltage protection while motoring and no cell high voltage protection during Regen on Sepex Motors. |