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Batrium WM4 Digital input not working
#1
I have a 2P4S system in my Yacht controlled by Batrium WM4 and expansion board. I’ve got two switches connecting +12VDC to inputs 1 and 2. I’ve set at the software that input 1 is for ”Run/idle” and the input 2 is ”Charge...”


However, it does not matter in which position the switces are, their position is not recognized by the software and I always get an Critical Fault from the system —> disconnecting the main contactor. So I have disabled those inputs alltogether, the system works OK without them.

What I’m missing here, why aren’t those inputs working?
_________________________________________________________________________
FinIHen
Youtube Sailing Swan-431 "CAID":         goo.gl/1HwGXb

12,8 VDC LFP System in CAID: Main 320AH, Spare 160AH. Victron Quattro 120A/3000VA, Balmar 120A, Solar 200W. Batrium WM4.
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#2
I’m not familiar with Batrium products other than having read a little before purchasing as I’m still building packs.

My guess is they actually need to be pulled low; i.e. switched to ground.

I’m sure someone more knowledgeable than me will come along.

Cheers
Jon
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#3
I wish i understood this type of stuff more to help but i don't i'm sorry Sad
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#4
(07-11-2018, 07:34 PM)Finihen Wrote: I have a 2P4S system in my Yacht controlled by Batrium WM4 and expansion board. I’ve got two switches connecting +12VDC to inputs 1 and 2. I’ve set at the software that input 1 is for ”Run/idle” and the input 2 is ”Charge...”


However, it does not matter in which position the switces are, their position is not recognized by the software and I always get an Critical Fault from the system —> disconnecting the main contactor. So I have disabled those inputs alltogether, the system works OK without them.

What I’m missing here, why aren’t those inputs working?

Hi, after the latest SW / HW update to the WM4+Exp.B. the inputs are working. They recognize now the switches and the first one switches the WM4 system ON/OFF and the second one switches Charging On and Off.

There's still a minor glitch inthe WM4 software as the Charging output should be giving out a pulse of voltage instead of the continuous voltage it is now giving. This is because a latching (bipolar) contactor is connected to the Charging output (as described in Exp.Board support pages). There's a risk of burning the coils of the latching contactor or the Mosfet of the PCB when the output is always active and current runs through the coils. But I'll start a new thread of this problem soon.

IHe
Finland
hbpowerwall likes this post
_________________________________________________________________________
FinIHen
Youtube Sailing Swan-431 "CAID":         goo.gl/1HwGXb

12,8 VDC LFP System in CAID: Main 320AH, Spare 160AH. Victron Quattro 120A/3000VA, Balmar 120A, Solar 200W. Batrium WM4.
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#5
(12-04-2018, 06:37 AM)Finihen Wrote: But I'll start a new thread of this problem soon.

Can you please report the issue directly to Batrium so they can take a look? If it's a software defect, they will need to address it directly, it's not something we can help you with here.
https://www.batrium.com/pages/support-ho...o-help-you
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#6
I’ve already informed them about it along with some other issues about one week ago. No response from their side.
_________________________________________________________________________
FinIHen
Youtube Sailing Swan-431 "CAID":         goo.gl/1HwGXb

12,8 VDC LFP System in CAID: Main 320AH, Spare 160AH. Victron Quattro 120A/3000VA, Balmar 120A, Solar 200W. Batrium WM4.
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#7
What did you inform and what response are you missing?
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#8
(12-04-2018, 09:05 PM)daromer Wrote: What did you inform and what response are you missing?

Just informed that the logical output "Charging On" should be giving out a voltage pulse (instead of the continuous voltage it is now giving) IF a latching contactor is connected to the Charging output as described in Exp.Board support pages. I also mentioned that it should be user definable whether the output is a a) pulse or b) continuous (voltage or earth depending on the physical output chosen).

Choise a) is relevant when You're controlling a latching relay from the Charge control mosfet output with "Charging ON" or "Charging OFF" commands.

Choise b) is relevant if You're controlling a Victron Charger with the same commands as above from the Expansion board relays when not using CAN bus control for some reason. When WM4 Exp.Board Relay is closed = Charging ON at the Victron side (when using I/O input or Temp input at Victron).

If someone without the basic knowledge of electronics is doing exactly as described at the Exp.Board support pages and has made the choice a) he will eventually burn the coils of the latching relay or the mosfet output at the exp.board if the voltage output is continuous.

It is also possible that I've understood something totally wrong and trying to find a solution to a nonexistent problem. Please don't hesitate to correct me then!

Cheers from Finland,
IHe
_________________________________________________________________________
FinIHen
Youtube Sailing Swan-431 "CAID":         goo.gl/1HwGXb

12,8 VDC LFP System in CAID: Main 320AH, Spare 160AH. Victron Quattro 120A/3000VA, Balmar 120A, Solar 200W. Batrium WM4.
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#9
Yes and what is it you did not get input back from? You said you have waited for response back for a week now. What response are you waiting for?


What I see above is that you look for a feature request? That wont happen within a week if its decided to be added at all Smile Just saying since they have a alpha, beta, test, live stage system.
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#10
So You call it a feature request as I’d be calling it an error at the software OR error at the instructions. By doing the installation according to instructions You end Up having a burned latching solenoid in Your system. This is not a problem in my case as those latching contactors I’m using are internally protected against this scenario happening (and I can easily convert constant voltage to a pulse). But mine aren’t those cheap ones typically sold for these purposes. So the problem is real, at least for the newbies.

What I was waiting was a simple reaction that they’ve noticed it. Will they ever be doing anything to it, is their choice of course. I’m not blaming Batrium by any means but I’m a little bit dissappointed to their support function. Ultra long waiting time to get any real answers. They have a fantastic product in their hands which only needs some more refinement to be the best one You can choose.
_________________________________________________________________________
FinIHen
Youtube Sailing Swan-431 "CAID":         goo.gl/1HwGXb

12,8 VDC LFP System in CAID: Main 320AH, Spare 160AH. Victron Quattro 120A/3000VA, Balmar 120A, Solar 200W. Batrium WM4.
Reply


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