Hi All,

I installed my second Smart Shunt to monitor the DC current pull from my (non-Victron) inverter. It appears to be installed correctly and when I turn the inverter on, the Smart Shunt will show a current usage of about 2-3A (this is what I expected to see). However, when I view the Dashboard in VRM, the current draw doesn't map specifically to "AC Loads" and there is no current visible in the "AC Loads" block - it just sends the visual representation to the general system where it disappears. I can see the Smart Shunt in the Remote Console and it is setup as a DC Meter in "Inverter" mode via Victron Connect. I've restarted the GX device (a raspberry pi in my case) to no avail. Is there a setting I'm missing? I obviously would like it to visually map correctly but also, and more importantly, would like to be sure that the MPPTs are being alerted to the additional current draw through DVCC so that they can compensate while charging.

Should also probably mention that I have a second Smart Shunt configured as a DC Meter in "DC System" mode which reads correctly in VRM - I also have "Has DC System" enabled so that is where that shunt is mapping to.

I have a BMV-712 as a traditional battery monitor which reads correctly. Its possible that I misunderstand the DVCC implementation - would the GX instruct the MPPTs to compensate for the total current being drawn according to the BMV or will it specifically only add the current being reported by the DC Meters (and if so, will it account for both of them if they are in different modes)?

EDIT: adding a picture to illustrate what I mean... You can see that the shunt appears to be coded as measuring the inverter based on the first setting field. Also, you can see that I named the shunt "Inverter Shunt" at the top of the device menu. The shunt is showing 0.0 amps which is correct since the inverter is off at the moment.

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You can also see that the shunt doesn't appear anywhere on the VRM Dashboard despite other VE.Direct devices showing properly (i.e., the Portable Panel MPPT which currently doesn't have a panel connected to it).

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Variations of this question popped up before on this forum, but here I go with my specific need. I need the config settings for an Orion TR (non-isolated, if that makes any difference) charger for a Renogy Deep Cycle 12V 100Ah AGM battery (they call it a "valve regulated sealed lead acid battery").

The Renogy website has an FAQ which only mentions the following:

"7. When using a charge controller, which battery type should I set? You should choose the SLD battery settings."

What does SLD stand for and how to apply this to set up the Orion charger?

Also I am monitoring this battery with a Victron Smart Shunt 500. Any special config for that ?

Thank you all.

I have a generator that came with the house and I have connected to the Qauttro, the generator has a Smartgen 420 controller that on automatic mode will start because it does not pick up any grid power that I have removed as I have gone totally off grid. My question is how do i control the generator from the CCGX, I have laid cables from the relay to the generator and I have made that input a remote start/stop but under manual the generator wont start.

The picture attached is the back of the controller and has been wired to B-(No. 1) and to Aux Input 4(No. 10) set for remote start/stop

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Hi, I already have a 16" touchscreen on board. It has video-in via HDMI and touchscreen-out via USB. Can I use this screen to control a Cerbo GX? I'd prefer not to add another device like a GX touch if I don't have to.

If I haven't given enough information about my screen to know whether it is a compatible controller for the Cerbo GX, what additional information do I need?

Intention…

My plan is to have a solar system with pylon Li batteries supplying 6 lower powered circuits in the house - lights and some socket ring circuits - with the grid charging batteries when needed. The grid will also permanently supply my higher-powered circuits such as the shower and electric cooker (the solar system will not be involved here).

Equipment

I have 3x 3.5kW pylon batteries, Multiplus II 5kw, 9 x 455W panels in 3 paralleled strings of 3 panels, 250/100 smart soar MPPT , lynx distributer and cerbo gx.

I have attached my wiring diagWiring plus poss consumer unit layout 2.pdfram for the solar system (p1) and for the consumer unit (p2). I need to get an electrician to check and wire this but just have a few questions for you guys if you can help…

Questions…

1.Is the grounding/earthing safe and correct?

2.With this set up is there any way in which I might be putting power back into the grid or is it just one way? If I am not putting anything into the grid do I still need to fill out the G98/99 applications?

3.How long could my cable runs be consumer unit to the inverter charger? I am still unsure as to whether to have the solar gear in the garage or a different room in the house or even in the loft…

Apologies if some of these questions are very basic!

Just installed bms v2. It will not allow the possibility to switch on multiplus 3000 using cerbox or vrm. It did work for a few days but now not possible.

Latest firm wares installed on all items

Should the bms assistant be installed?

I have tried with it removed and installed

Message on cerbox screen says not possible to switch on when bms is installled.

Any suggestions greatly appreciated.

if i have two multiplus-II 3000kV [120VAC] set up in parallel [for a split-phase 120/240] and they are connected via the VE.bus. do i need one or two smart dongles?

as a secondary question does victron have or planning on making a virtual assembly simulator. something that lets you drag and drop components on to a 'work area' and wire them up to see how/if they will work together? that would be able to answer a lot of the questions brought up on this forum

15kVA 3 phase 5kVA multis on v495

CCGX v 2.92

2 x Blue Nova 8kWh + 1 x Blue Nova 4kWh (stable, believe it or not!) Each wired to DC bus.

Virtually offgrid as grid is never present in the day.

Issue takes place in daytime only

System shuts down randomly, after 5 to 10secs it boots up again after throwing #1 device switched off error.

I checked all comms cables with cable tester, no problems

I checked VRM

Loads were half capacity max at any time even hours before the situation, but generally loads were 450W on the Phase that appears to be the one switching off - phase 2 (the middle inverter flashes a light sequence, where the other 2 do not)

Phase 2 gave an overload warning moments before first switch off, power was never higher than 500W at the time and hours in the run up to the issue.

There's no abnormal temperature going on either.

Am totally lost as to what is causing it. System today switched off 8 times in space of 3½ hours.

Help would be much appreciated..

Hi,

Recently I've installed ET112 grid meter on my system (which was using CT sensor previously) and I've noticed that the Multi is very slow on response to load. Currently my system looks like this:

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The grid set point is set to -10W. The multi needs a good 15-18 seconds to stabilize after large load kicks in and another approx 15s to stabilize after load drops off. Check the video from VenusGX (the load is switched on at about 16s of the clip and switched of at 43s of the clip):

Is that how it should be? The difference in the load is just about 1.4kW, why is it taking so long to handle that?

Previously I was using CT Sensor extended with Cat5e cable to over 25m long, the system looked like this:

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The response to load was pretty much instant. I've recorder video using the same load as on the previous one (load switched on at about 10s and switched off at 23s of the video):

The system need seconds to stabilize

Also you can see a clear difference on the Grid use graph from VRM portal:

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As you can see, with CT sensor the system is very close to grid set point, with ET112 grid meter it is way off and hardly ever stay close to set point. The situation is even worst during cloudy day when PV power is fluctuating (you cen see it on my other youtube video).

Is it normal behavior? It looks like Multi can handle this load easily, the problem seems to be in the feedback from the grid meter (or algorithm when ET112 is in use). Is there anything I can do to improve this reaction time??? Please advice.

Kind Regards

I have a smart grid meter with DSMR v5 so it transmit a p1 telegram every second. I'd like to use this data as grid meter in ESS. In my understanding this is even more accurate then an ET340 which has a refresh rate of 2 seconds.

I'm thinking of the following solution:

• I found a p1 to RS485 converter P1MB - P1 to Modbus converter | Xemex
• After converting I could use the Victron Zigbee <-> RS485 bridge to transmit over the air
• Connect the other end of the Zigbee bridge to my Cerbo.

What do you guys think? Is this feasible?

I have 12V lead battery and regular alternator on my boat. I installed Orion TR smart 12/24 to charge my LiFePo4 24V/50Ah battery, The problem is that output voltage is around 20V while it se to be 28,2V. I have tried charger mode and power supply, but the result is the same. Obviously my 24V battery is not charging as voltage is too low.

While two of my three SmartSolar 100/30s (A & B) stay in Bulk all day (at this time of year), the third (C) goes into Absorption just before noon and then into Float roughly 2.5 hours later. Consequently my batteries never get beyond 88% charged. (If I disable the inputs to A and B, C remains in Bulk all day.)

SmartSolars A and B are each connected to 2 * 135w panels in series; C is connected to 2 * 170w panels also in series. The battery bank is 4 * Lifeline 125Ah AGMs in parallel.

All three SmartSolars have the latest firmware (v1.61) and the same custom profile:

Absorption voltage: 14.3 (per Lifeline’s recommendation)

Float voltage: 13.3 (per Lifeline’s recommendation)

Adaptive absorption time: ON

Maximum absorption time: 6hrs

Re-bulk voltrage offset: -0.4v

Tail current: 0.1A

Expert mode: OFF

Questions

1. Can anyone explain why C is going to Absorption while A and B remain in Bulk and what can I do to stop C going to Float until the batteries are fully charged?
2. Would setting up the SmartSolars in a VE.Smart Network so that their charging is synchronised help? If so, can I do this without a Smart Battery Sense or BMV in the network?

Hi, when installing a Multiplus 12/1600/70, does it need DC grounding from chassis to DC negative? It's a fixed UPS installation, so ground is already provided by grid AC in.

I can't find anywhere in the manual for the multiplus 1600va, where it is mentioned if and how DC grounding should be done. And the circled information for what i assume is the chassis ground lug, seems rather strange, I actually don't understand exactly what it means.
What is "chassis on input/output ground terminals" ?

I assume it means that chassis is connected to input/output ground and should have permanent "uninterruptable" ground connection? Which then in my case is already provided by fixed AC in.

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This example shows DC grounding.

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