REC Active BMS

12V Active balancing BMS

95 Topics 2 Followers

M

Number of inverter/charger devices, will 1 still allow the cerbo to control multiples?
1/5/25, 10:09 AM • Matt 1/7/25, 1:08 PM

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3
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Matt
1/7/25, 1:08 PM

Great, that makes sense. Thanks
L

REC ABMS 2.94 download link broken?
12/22/24, 5:20 AM • Lure 12/22/24, 5:20 AM

1

1
Posts

19
Views

L

Lure
12/22/24, 5:20 AM

I cannot get firmware from this download link: https://rec-bms-na.com/rec-bms-releases-new-activ...
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Rec data to home assistant
10/10/24, 5:05 PM • Neil 12/17/24, 4:30 AM

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7
Posts

59
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Neil
12/17/24, 4:30 AM

after a lot of head-scratching I finally got this:
N

Abms green flashing and dissappeared
12/14/24, 8:19 AM • Neil 12/16/24, 1:16 PM

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5
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19
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Neil
12/16/24, 1:16 PM

@Rick a couple of reboots and CAN details are all back working on the Cerbo screen, something obv...
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ABYC E-13 requirements implementation and integration
10/4/24, 1:02 PM • Stefano 10/5/24, 10:09 AM

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2
Posts

45
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Rick
10/5/24, 10:09 AM

Check out this one. It may assist with many of your queries. And don't forget, these are a...
T

2.94 Firmware Update Issue Rec A BMS
9/13/24, 5:31 PM • Trevor 9/16/24, 11:06 AM

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11
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129
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Ben
9/16/24, 11:06 AM

@Trevor really strange. I have 2 setups running with 2.94. Non off them have any problem. ...
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Power relays
9/15/24, 2:58 AM • Johan 9/16/24, 9:40 AM

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10
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96
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Sturla
9/16/24, 9:40 AM

Cool! It sure looks a bit more professional than my relay interface boxes that does more or less ...
M

BMS 1A NEWBIE WITH AN ISSUE
9/3/24, 12:20 PM • Mark 9/6/24, 3:10 PM

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6
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72
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Rick
9/6/24, 3:10 PM

Hi, congratulations on your new boat! To use the Victron smart shunt, you need to have the shunt...
P

Relay switching capacity of the REC BMS
3/4/21, 5:53 PM • Patrick 9/4/24, 6:01 AM

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3
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1.4k
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Ben
9/4/24, 6:01 AM

@Gerard a little late this answer The relay in your link, use lesser as 100uAmp, in on position,...
W

Troubleshooting precharge unit.
8/12/24, 9:30 PM • W 8/13/24, 10:29 AM

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3
Posts

39
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Rick
8/13/24, 10:29 AM

On the more recent version of the precharge module there is a board mounted fuse that might be th...
W

Possibly bricked BMS after latest firmware update from Tine. bms_1A_Victron_v2_93_2_tasks_WORK.bin
6/12/24, 11:20 AM • W 8/9/24, 9:22 PM

7

7
Posts

107
Views

W

W
8/9/24, 9:22 PM

@Sturla I was able to reload the previous firmware update throught the cable and software. Tine g...
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ABMS BMS Errors Memory Internal memory problems detected after update to v2.92
8/3/24, 10:14 AM • Jonas 8/5/24, 11:23 AM

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3
Posts

56
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Rick
8/5/24, 11:23 AM

Hey Jonas, There is currently no bulk delete option and your solution was a great idea. I am in...
W

Cooked Nation's Alternator with Wakespeed/Victron/Rec Active BMS system. Need help troubleshooting BMS after replacement
6/10/24, 11:48 AM • W 6/10/24, 2:53 PM

4

4
Posts

77
Views

W

W
6/10/24, 2:53 PM

Well, I pulled the bms and checked all the fuses, which were all good. When I reassembled everyth...
T

Cell Voltage, BMS, Error in Cell Voltage Reading and Sudden Voltage Drop
5/12/24, 6:05 PM • Trevor 5/31/24, 1:19 PM

6

6
Posts

124
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R

Rick
5/31/24, 1:19 PM

Ok Trevor, we can do that for you. Please contact us at support@ogm-energy.com and we'll ge...
D

Erratic reading from current shunt
4/15/23, 2:26 PM • Darryl 5/20/24, 3:07 AM

31

31
Posts

528
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tine
5/20/24, 3:07 AM

Resistors are 330 Ohms. Maybe there is a bad connection from the cable to the crimp or fronm the ...
R

Unable to check unlisted settings using the WIFI module
5/19/24, 6:19 AM • Richard 5/19/24, 5:56 PM

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5
Posts

70
Views

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Richard
5/19/24, 5:56 PM

Thanks again for your help Rick. I'm just now heading offshore, so I'm reluctant to flash i...
E

BMS seems not doing the job after upgrade
5/3/24, 10:25 PM • Edward 5/11/24, 7:53 PM

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6
Posts

95
Views

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Edward
5/11/24, 7:53 PM

If 183Ah use, SOC should be only ±85%??? 100-(183÷1200x100%)
C

REC Active BMS does not resume charging ?
4/16/24, 6:43 AM • Christopher 4/19/24, 6:57 AM

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8
Posts

137
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Ben
4/19/24, 6:57 AM

@Christopher , The max charge, float setting en recharge settings is just one example to get the...
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BMS 12p4s setup
4/17/24, 12:04 AM • tom 4/17/24, 12:10 PM

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4
Posts

64
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Rick
4/17/24, 12:10 PM

You may want to consider adding one of these to allow your DD alt. help charge and top off/balanc...
S

difficulty updating the BMS to v2.92.1 using the WiFi module.
4/12/24, 7:40 PM • Stan 4/17/24, 12:06 AM

2

2
Posts

59
Views

S

Stan
4/17/24, 12:06 AM

It turns out that I was powering the WiFi module from the switched side of the contactor, and not...
C

How to increase the maximum discharge current
4/12/24, 11:05 AM • Christopher 4/12/24, 12:16 PM

3

3
Posts

69
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Christopher
4/12/24, 12:16 PM

Yes, I am not your client, I am REC d.o.o. Slovenia, but there I often don't get an answer.I read...
E

WiFi FW Temperature error Error in WiFi FW 1.62-12
3/12/24, 4:51 PM • Edward 4/8/24, 12:01 AM

6

6
Posts

112
Views

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Edward
4/8/24, 12:01 AM

@Rick Thanks for the notice. @tine Thanks for the quick turnaround. I have downloaded and inst...
E

Error in Firmware 2.9.2-2
3/26/24, 4:47 PM • Edward 3/26/24, 4:47 PM

1

1
Posts

60
Views

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Edward
3/26/24, 4:47 PM

In my continuing regression testing of an existing two-contactor system (Charge Bus and Load Bus)...
E

Opto Lines Driving Capability
3/13/24, 3:46 PM • Edward 3/13/24, 5:16 PM

2

2
Posts

82
Views

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Rick
3/13/24, 5:16 PM

no, they are meant to drive something like an LED directly. If you want to drive a larger l...
E

Can't remove micro SD card from WiFi Module
2/26/24, 3:26 PM • Edward 3/12/24, 4:22 PM

4

4
Posts

111
Views

E

Edward
3/12/24, 4:22 PM

After formatting the SD card and loading the spiffs and updates files onto it, and powering up wa...
a

Hibernate on REC Actice BMS
1/24/24, 9:08 AM • andrew 1/25/24, 8:41 AM

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3
Posts

65
Views

a

andrew
1/25/24, 8:41 AM

thank you
R

How to manage state of charge while on shore power
6/28/22, 5:24 PM • Rich 1/22/24, 9:46 PM

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13
Posts

1.3k
Views

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Richard
1/22/24, 9:46 PM

I've created a Node-Red flow that solves this problem perfectly. It has a dashboard interfa...
R

Split Charge/Load busses setup
12/31/23, 4:25 PM • Ronald 1/4/24, 11:02 AM

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12
Posts

201
Views

R

Ronald
1/4/24, 11:02 AM

I wonder if there is an issue with the module 2 precharge unit. The 6 pin descriptions are ...
J

REC ABMS with split bus firmware - how to specify different discharge and charge temps?
12/26/23, 12:31 PM • John 1/3/24, 5:27 AM

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6
Posts

85
Views

t

tine
1/3/24, 5:27 AM

Charge current is only set to 0 A when the temperature goes under the Under-temperature for charg...
G

BMS Contactor Switch Contactor/Switch Options
12/12/23, 11:41 AM • Geoff 12/26/23, 5:39 PM

6

6
Posts

90
Views

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Geoff
12/26/23, 5:39 PM

John,I considered the Blue Sea swtich - it's a good switch (I have one and like it), but for my L...
E

Correct Firmware to use for Two Contactor Configuration
12/5/23, 3:54 PM • Edward 12/7/23, 4:03 PM

2

2
Posts

98
Views

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Rick
12/7/23, 4:03 PM

In the 2.9.2 firmware update there is a file called bms_1A_Victron_v2_92_2_tasks.bin that should ...
E

Downgrading firmware
12/5/23, 3:57 PM • Edward 12/7/23, 3:58 PM

4

4
Posts

68
Views

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Rick
12/7/23, 3:58 PM

Yes, I have downgraded several times while testing with the PC software and RS485 cable, but have...
G

Pin Connections
11/22/23, 1:07 PM • Geoff 11/26/23, 6:09 PM

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5
Posts

66
Views

G

Geoff
11/26/23, 6:09 PM

Rick,Thanks for the update - things make more senses now!One question - on the updated diagram sh...
R

REC ACTIVE BMS CAN-BUS Compatibility
11/15/23, 2:28 PM • Raymond 11/15/23, 2:28 PM

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1
Posts

64
Views

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Raymond
11/15/23, 2:28 PM

I am installing a Rec Active BMS and I am concerned about the Can-Bus wiring or compatibity with ...
L

REC-BMS ABMS and Victron with Raspberry PI not Cerbo GX
8/16/22, 9:20 AM • Lindsay 11/12/23, 12:27 AM

5

5
Posts

564
Views

E

Edward
11/12/23, 12:27 AM

I'm running Venus OS on an RPi4, using the inexpensive Innomaker USB to CAN cable to talk to the ...
R

Will it work? 3P4S @ 690ah
2/11/23, 2:22 PM • Rance 10/30/23, 8:12 PM

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7
Posts

262
Views

C

Cedar
10/30/23, 8:12 PM

@Chris yes, REC Active BMS. My system is 1120 ah, so only slightly over the recommended amount, b...
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REC-Active Firmware update
10/2/23, 2:12 PM • John 10/7/23, 11:10 AM

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4
Posts

114
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Rick
10/7/23, 11:10 AM

it is free to download off of our REC North America site. I already sent you a link to the ...
J

How to download firmware
9/30/23, 1:26 PM • John 10/7/23, 10:58 AM

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5
Posts

106
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Rick
10/7/23, 10:58 AM

@John Yes, the if you download the app there is no need for the thumb drive
J

REC Active BMS Not Ramping Down Near Top
9/6/23, 10:37 PM • Jamie 9/21/23, 6:14 AM

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19
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342
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Ben
9/21/23, 6:14 AM

You have the correct understanding. If you like 5% hysteresis, (restart at 95% SOC) you program ...
H

Working up design -- multiple questions
9/12/23, 11:45 AM • Harry 9/17/23, 1:08 PM

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6
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102
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Rick
9/17/23, 1:08 PM

and here is a link to a sample single relay Active BMS wiring diagram that might of interest htt...

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Number of inverter/charger devices, will 1 still allow the cerbo to control multiples?

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REC Active BMS

Number of inverter/charger devices, will 1 still allow the cerbo to control multiples? 1/5/25, 10:09 AM • Matt 1/7/25, 1:08 PM

REC ABMS 2.94 download link broken? 12/22/24, 5:20 AM • Lure 12/22/24, 5:20 AM

Rec data to home assistant 10/10/24, 5:05 PM • Neil 12/17/24, 4:30 AM

Abms green flashing and dissappeared 12/14/24, 8:19 AM • Neil 12/16/24, 1:16 PM

ABYC E-13 requirements implementation and integration 10/4/24, 1:02 PM • Stefano 10/5/24, 10:09 AM

2.94 Firmware Update Issue Rec A BMS 9/13/24, 5:31 PM • Trevor 9/16/24, 11:06 AM

Power relays 9/15/24, 2:58 AM • Johan 9/16/24, 9:40 AM

BMS 1A NEWBIE WITH AN ISSUE 9/3/24, 12:20 PM • Mark 9/6/24, 3:10 PM

Relay switching capacity of the REC BMS 3/4/21, 5:53 PM • Patrick 9/4/24, 6:01 AM

Troubleshooting precharge unit. 8/12/24, 9:30 PM • W 8/13/24, 10:29 AM

Possibly bricked BMS after latest firmware update from Tine. bms_1A_Victron_v2_93_2_tasks_WORK.bin 6/12/24, 11:20 AM • W 8/9/24, 9:22 PM

ABMS BMS Errors Memory Internal memory problems detected after update to v2.92 8/3/24, 10:14 AM • Jonas 8/5/24, 11:23 AM

Cooked Nation's Alternator with Wakespeed/Victron/Rec Active BMS system. Need help troubleshooting BMS after replacement 6/10/24, 11:48 AM • W 6/10/24, 2:53 PM

Cell Voltage, BMS, Error in Cell Voltage Reading and Sudden Voltage Drop 5/12/24, 6:05 PM • Trevor 5/31/24, 1:19 PM

Erratic reading from current shunt 4/15/23, 2:26 PM • Darryl 5/20/24, 3:07 AM

Unable to check unlisted settings using the WIFI module 5/19/24, 6:19 AM • Richard 5/19/24, 5:56 PM

BMS seems not doing the job after upgrade 5/3/24, 10:25 PM • Edward 5/11/24, 7:53 PM

REC Active BMS does not resume charging ? 4/16/24, 6:43 AM • Christopher 4/19/24, 6:57 AM

BMS 12p4s setup 4/17/24, 12:04 AM • tom 4/17/24, 12:10 PM

difficulty updating the BMS to v2.92.1 using the WiFi module. 4/12/24, 7:40 PM • Stan 4/17/24, 12:06 AM

How to increase the maximum discharge current 4/12/24, 11:05 AM • Christopher 4/12/24, 12:16 PM

WiFi FW Temperature error Error in WiFi FW 1.62-12 3/12/24, 4:51 PM • Edward 4/8/24, 12:01 AM

Error in Firmware 2.9.2-2 3/26/24, 4:47 PM • Edward 3/26/24, 4:47 PM

Opto Lines Driving Capability 3/13/24, 3:46 PM • Edward 3/13/24, 5:16 PM

Can't remove micro SD card from WiFi Module 2/26/24, 3:26 PM • Edward 3/12/24, 4:22 PM

Hibernate on REC Actice BMS 1/24/24, 9:08 AM • andrew 1/25/24, 8:41 AM

How to manage state of charge while on shore power 6/28/22, 5:24 PM • Rich 1/22/24, 9:46 PM

Split Charge/Load busses setup 12/31/23, 4:25 PM • Ronald 1/4/24, 11:02 AM

REC ABMS with split bus firmware - how to specify different discharge and charge temps? 12/26/23, 12:31 PM • John 1/3/24, 5:27 AM

BMS Contactor Switch Contactor/Switch Options 12/12/23, 11:41 AM • Geoff 12/26/23, 5:39 PM

Correct Firmware to use for Two Contactor Configuration 12/5/23, 3:54 PM • Edward 12/7/23, 4:03 PM

Downgrading firmware 12/5/23, 3:57 PM • Edward 12/7/23, 3:58 PM

Pin Connections 11/22/23, 1:07 PM • Geoff 11/26/23, 6:09 PM

REC ACTIVE BMS CAN-BUS Compatibility 11/15/23, 2:28 PM • Raymond 11/15/23, 2:28 PM

REC-BMS ABMS and Victron with Raspberry PI not Cerbo GX 8/16/22, 9:20 AM • Lindsay 11/12/23, 12:27 AM

Will it work? 3P4S @ 690ah 2/11/23, 2:22 PM • Rance 10/30/23, 8:12 PM

REC-Active Firmware update 10/2/23, 2:12 PM • John 10/7/23, 11:10 AM

How to download firmware 9/30/23, 1:26 PM • John 10/7/23, 10:58 AM

REC Active BMS Not Ramping Down Near Top 9/6/23, 10:37 PM • Jamie 9/21/23, 6:14 AM

Working up design -- multiple questions 9/12/23, 11:45 AM • Harry 9/17/23, 1:08 PM

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Latest topics

Accessing REC WiFi module on my boat with Starlink

WS500 data display on Raymarine Axiom (marine use)

Number of inverter/charger devices, will 1 still allow the cerbo to control multiples?

REC ABMS 2.94 download link broken?

WS500 Pro unable to connect to ABMS

Latest posts

BSLRD test

WS500 data display on Raymarine Axiom (marine use)

WS500 data display on Raymarine Axiom (marine use)

Accessing REC WiFi module on my boat with Starlink

Number of inverter/charger devices, will 1 still allow the cerbo to control multiples?

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Number of inverter/charger devices, will 1 still allow the cerbo to control multiples?
1/5/25, 10:09 AM • Matt 1/7/25, 1:08 PM

REC ABMS 2.94 download link broken?
12/22/24, 5:20 AM • Lure 12/22/24, 5:20 AM

Rec data to home assistant
10/10/24, 5:05 PM • Neil 12/17/24, 4:30 AM

Abms green flashing and dissappeared
12/14/24, 8:19 AM • Neil 12/16/24, 1:16 PM

ABYC E-13 requirements implementation and integration
10/4/24, 1:02 PM • Stefano 10/5/24, 10:09 AM

2.94 Firmware Update Issue Rec A BMS
9/13/24, 5:31 PM • Trevor 9/16/24, 11:06 AM

Power relays
9/15/24, 2:58 AM • Johan 9/16/24, 9:40 AM

BMS 1A NEWBIE WITH AN ISSUE
9/3/24, 12:20 PM • Mark 9/6/24, 3:10 PM

Relay switching capacity of the REC BMS
3/4/21, 5:53 PM • Patrick 9/4/24, 6:01 AM

Troubleshooting precharge unit.
8/12/24, 9:30 PM • W 8/13/24, 10:29 AM

Possibly bricked BMS after latest firmware update from Tine. bms_1A_Victron_v2_93_2_tasks_WORK.bin
6/12/24, 11:20 AM • W 8/9/24, 9:22 PM

ABMS BMS Errors Memory Internal memory problems detected after update to v2.92
8/3/24, 10:14 AM • Jonas 8/5/24, 11:23 AM

Cooked Nation's Alternator with Wakespeed/Victron/Rec Active BMS system. Need help troubleshooting BMS after replacement
6/10/24, 11:48 AM • W 6/10/24, 2:53 PM

Cell Voltage, BMS, Error in Cell Voltage Reading and Sudden Voltage Drop
5/12/24, 6:05 PM • Trevor 5/31/24, 1:19 PM

Erratic reading from current shunt
4/15/23, 2:26 PM • Darryl 5/20/24, 3:07 AM

Unable to check unlisted settings using the WIFI module
5/19/24, 6:19 AM • Richard 5/19/24, 5:56 PM

BMS seems not doing the job after upgrade
5/3/24, 10:25 PM • Edward 5/11/24, 7:53 PM

REC Active BMS does not resume charging ?
4/16/24, 6:43 AM • Christopher 4/19/24, 6:57 AM

BMS 12p4s setup
4/17/24, 12:04 AM • tom 4/17/24, 12:10 PM

difficulty updating the BMS to v2.92.1 using the WiFi module.
4/12/24, 7:40 PM • Stan 4/17/24, 12:06 AM

How to increase the maximum discharge current
4/12/24, 11:05 AM • Christopher 4/12/24, 12:16 PM

WiFi FW Temperature error Error in WiFi FW 1.62-12
3/12/24, 4:51 PM • Edward 4/8/24, 12:01 AM

Error in Firmware 2.9.2-2
3/26/24, 4:47 PM • Edward 3/26/24, 4:47 PM

Opto Lines Driving Capability
3/13/24, 3:46 PM • Edward 3/13/24, 5:16 PM

Can't remove micro SD card from WiFi Module
2/26/24, 3:26 PM • Edward 3/12/24, 4:22 PM

Hibernate on REC Actice BMS
1/24/24, 9:08 AM • andrew 1/25/24, 8:41 AM

How to manage state of charge while on shore power
6/28/22, 5:24 PM • Rich 1/22/24, 9:46 PM

Split Charge/Load busses setup
12/31/23, 4:25 PM • Ronald 1/4/24, 11:02 AM

REC ABMS with split bus firmware - how to specify different discharge and charge temps?
12/26/23, 12:31 PM • John 1/3/24, 5:27 AM

BMS Contactor Switch Contactor/Switch Options
12/12/23, 11:41 AM • Geoff 12/26/23, 5:39 PM

Correct Firmware to use for Two Contactor Configuration
12/5/23, 3:54 PM • Edward 12/7/23, 4:03 PM

Downgrading firmware
12/5/23, 3:57 PM • Edward 12/7/23, 3:58 PM

Pin Connections
11/22/23, 1:07 PM • Geoff 11/26/23, 6:09 PM

REC ACTIVE BMS CAN-BUS Compatibility
11/15/23, 2:28 PM • Raymond 11/15/23, 2:28 PM

REC-BMS ABMS and Victron with Raspberry PI not Cerbo GX
8/16/22, 9:20 AM • Lindsay 11/12/23, 12:27 AM

Will it work? 3P4S @ 690ah
2/11/23, 2:22 PM • Rance 10/30/23, 8:12 PM

REC-Active Firmware update
10/2/23, 2:12 PM • John 10/7/23, 11:10 AM

How to download firmware
9/30/23, 1:26 PM • John 10/7/23, 10:58 AM

REC Active BMS Not Ramping Down Near Top
9/6/23, 10:37 PM • Jamie 9/21/23, 6:14 AM

Working up design -- multiple questions
9/12/23, 11:45 AM • Harry 9/17/23, 1:08 PM