Connecting multiple VE.Bus systems to a single CCGX
Only one VE.Bus system can be connected to the VE.Bus ports on the back of the CCGX. The professional way to to monitor
more systems is to add a second CCGX
If you do require to connect more than one system to the same CCGX, use an MK3-USB. Functionality will be limited:
• Only the system connected to the built-in VE.Bus ports is used to generate the data on the Overview pages.
• All connected systems will be visible on the Device List.
• All connected systems will be taken into account for Energy consumption and distribution calculations (kWh graphs on VRM).
• Only the system connected to the built-in VE.Bus ports is used for the Generator start/stop logic.
• Only the Multi/Quattro (which can be a single device, or multiple together configured for three-/split-phase as well as parallel)
connected to the VE.Bus port will be controlled via DVCC. Additional systems, connected to the GX device using an MK3-USB,
are not controlled by DVCC and will charge and discharge according to the configuration made in those units.
• The CCGX will not send proper data to VRM any more. The Venus GX does send information of both systems to VRM: its
therefor better to use a Venus GX for systems like this.
• In case of an ESS system, only the system connected to the built-in VE.Bus ports is used in the ESS mechanisms. The other
one is displayed in the Device List only.
Alternatively the VE.Bus to VE.Can interface (ASS030520105) can be used. Add one for each additional system. Note that we
advise against it; this interface is a deprecated product. Make sure that the VE.Can network is terminated and powered. For
powering the VE.Can network, see Q17 in our data communication whitepaper.
Additional features provided by a GX device to VE.Bus products
An internet connected GX device allows for remote configuration via the VRM Portal. Please read the Remote VE.Configure
manual for more information, system requirements and specific steps to access this feature.
The internet connected GX device also allows remotely updating the firmware of VE.Bus products. For details see the Remote
VE.Bus firmware updates manual.
4.2. AC load monitoring
All energy meter types can be assigned the AC meter role. This is done in Settings → Energy meters → [your_energy_meter]
→ Role menu where you choose between Grid, PV Inverter, Generator and AC meter. With AC meter selected, the load will be
shown in the Device list and on VRM in the advanced widgets.
Please note that such metered loads are not used in any calculations, just monitoring.
4.3. Battery Monitor SmartShunt, BMV-700 series; and MPPTs with a VE.Direct
port
Direct connection via a VE.Direct cable is limited to the number of VE.Direct ports on the device (see Overview of
Connections [3]). There are two types of VE.Direct cables available:
1. Straight VE.Direct cables, ASS030530xxx
2. VE.Direct cables with an angled connector on one end. These are designed to minimise the required depth behind a panel,
ASS030531xxx
VE.Direct cables have a maximum length of 10 metres. It is not possible to extend them. If longer lengths are required, use a
VE.Direct to USB interface with an active USB extension cable.
Color Control GX Manual
Page 9 Connecting Victron products
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