Hi Sturla, When the REC BMS is connected to the WS500 it will take over control of your Alternator charging but all safeties and interlocks should still over-ride the DVCC/CVCC control signal from...

Hi All, I have a sailboat setup with REC ABMS, 2 x WS500(200A alternators) and a Cerbo to monitor and control my LFP bank. All items involved run latest available fw versions. System config; ...

no, they are meant to drive something like an LED directly.  If you want to drive a larger load you will need a relay with a very low (15ma) draw or a powered relay like this. https://www.ama...

Do the Opto lines have enough current capability to directly drive the Tyco EV200AAANA 500 amp contactor when connected in series with it and a 12v source? (observing correct polarity)

Yes, you are right. IT is a firmware bug. I have tested this in the morning. If you set it to °F then it gets data from the entry window and sends it directly to the BMS without converting it ...

@Darryl  I only recently upgraded to FW 2.92-2. In the middle of trying to make sense of all the changes to the use of the relays and optos, I noticed once again that the WiFi homepage was re...

I have further info on the error.  The underlying BMS messages always use °C. Apparently, the values that are input on the page are always being interpreted as °C regardless of the opt...

Thanks for the feedback.  Pushing it on to REC . @Tine Andrejasic 

While going through and regression testing WiFi FW 1.62-12 after an upgrade, I discovered that the temperature settings on the Settings page cannot be properly set when the option dropdown is set t...

After formatting the SD card and loading the spiffs and updates files onto it, and powering up waiting another 8 hrs, I rebooted and FINALLY got the 1.6.2-12 FW to load on the WiFi module!

Mark,   Your WS500's will work fine but a 12V alternator will usually put out 15V max.  The WS500 will only control the current coming out.  You will need to find alternators that ...

Richard i have two ws500 that I'm preparing to install in catamaran yanmar 3jh40 with Valero 125A smart ready 12volt alternators i'm changing to 48 volt house battery bank question: Do I need t...

  The pdf diagram you sent does not show any shunts They are small.  Just zoom into the negative bus. I assume that I will install one 1000 Amp shunt on Batt "A" and Batt "B" negativ...

Questions: The pdf diagram you sent does not show any shunts I assume that I will install one 1000 Amp shunt on Batt "A" and Batt "B" negative cables? Where does the Wakespeed WS500 current se...

The shunt only gets installed at the Master when you have a high voltage series connected system.

no, the 1Q's are fine too.  You will be able to see the total current flow from the the Master.  To check that each shunt is working, jut power off one pack to verify each bank is working...

hmm... Does matter that I am using the 1Q units as slaves and NOT the 2Q's? If I understand correctly, I only need a shunt for each battery. In my case I need two 1,000A shunts as each battery co...

Good question, In this configuration you will only need 2 shunts.  You set the shunt coefficient in the Master and it will broadcast it to both of the slaves.  The Master will take the s...

QQ (quick question) How many shunts do I use for a 2 batt system using (1) REC 9M master and (2) REC Slave units? From this diagram, each battery has it's own shunt. This makes sense. Do I also u...

@Rick Thanks.  Since the non-regular flashing LED seemed to indicate it was doing something, rather than just flashing an error code, I left it alone overnight.  After 20 hrs it was still...

HI Rick, I will try those values and see what I get.  

@Bill For a 2000/50 shunt when I canlcuate it I get:  0 .01953125÷(500÷2000) = 0.078125 So for most standard ranges here are the coefficents 100/50 = 0.00390625 200/50 = .0078...

The update process first copies it to the SD card, then over the next several hours it slowly updates the local processor memory and then needs to be rebooted so that was likely your only issue. A...

I was updating my WiFi module (HW:1.2) from FW 1.5.4 to 1.6.2-12, and, despite being careful I seem to have screwed it up.  When the module seemed to be done updating, the WiFi AP came back up...

@Richard the current reading on my REC-BMS is reading about 1/3 of the value that it should when compared to a high quality Fluke clamp meter. I am using these coefficients that you provided a whil...

This subject was raised on another forum also where the OP stated "I found the issue... It was because I had the alternator capacity configured. This should not be configured as this feature is no...

Lets include Al from Wakespeed on this one.  He may some insight @Al  

OK, I solved my problem. There was a setting in the Cerbo GX that enabled the sending of NMEA200 Output data.  It had to be enabled.

I just installed twin engine wakespeed regulators with Balmar alternators.   Both Alternators are connected to the house batteries.  Wakespeed current sense wires are connected to de...

Just installed a couple of WS500s on a catamaran. Using the latest FW 2.5.1 with ENABLE_ALT-CAN set to option 18 to use the Victron shunt as the battery shunt. Have alternator shunts installed as w...

@D. Ryan I was actually able to reconfigure how the network recognized the data without downgrading it, after changing some settings. But this is without Cerbo, I plugged it straight into the B&...

@Rick I'd love to see an update to this post!

DId this downgrade fix your issue? Are you still seeing canbus data on your Cerbo?

Still waiting for updates to this from Victron or Wakespeed on the new option in V2.5.1 to take data direct from a Victron SmartShunt through the Cerbo GX. Will it only work with a SmartShunt or an...

I can not think of any way to do this in the settings. The only way would be a normally closed relay to invert the output but that results in current draw which may not be possible depending on you...

Nice! That should help people :)

Here is a WS500 pinout diagram that I grabbed from this forum and annotatwed it with a cross-reference to the numbering used in the user install manual. Let me know if you find any typos.  

I pulled the WS500 pinout dirgram from another post on the site and have added in the cross-reference to the harness wire numbers used in the install manual. If you find any typos, let me know and ...

It looks like Victron has changed links again. Victron Cerbo GX <--> Wakespeed WS500