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Isolation
Because the CCGX is connected to many different products, please ensure that proper care is taken
with isolation to prevent ground loops. In 99% of installations this will not be a problem.
The VE.Bus ports are isolated
The VE.Direct ports are isolated
The VE.Can ports are isolated
The USB ports are not isolated. Connecting a Wi-Fi Dongle or GPS Dongle will not create a
problem as it is not connected to another power supply. Even though there will be ground loop
when you mount a separately-powered USB hub, during extensive testing we have not found
that it caused any issues.
The Ethernet port is isolated, except for the shield: use unshielded UTP cables for the Ethernet
network
Extending USB ports by use of a self-powered USB hub
Although the number of USB ports can be extended by using a hub, there is a limit to the amount of
power that the onboard USB port can provide. When extending the number of USB ports, we
recommend you always use powered USB hubs. And to minimize the chance of issues, be sure to use
good-quality USB hubs.
1.4 Connecting Victron products
1.4.1 Multis/Quattros/Inverters (VE.Bus products)
In order to keep this document short we are going to refer to all Multis, Quattros and Inverters as
VE.Bus products.
The earliest version of the VE.Bus devices which can be connected to the CCGX is 19xx111 or
20xx111, which were released in 2007. VE.Bus firmware 26xxxxx and 27xxxxx are also supported
…but 18xxxxx is not.
Note that it is not possible to use the Remote On/Off (header on the VE.Bus control PCB) in
combination with a CCGX. The jumper link needs to be in the header, as it is by default.
Single VE.Bus products
To connect a single VE.Bus product, connect it to one of the VE.Bus sockets on the back of the CCGX.
Both sockets are identical, use either one. Use a standard RJ45 UTP cable, see our
pricelist
.
Parallel, split- and three-phase VE.Bus systems
To connect multiple VE.Bus products, configured as a parallel, split-phase or three phase VE.Bus
system, connect either the first or the last VE.Bus product in the chain to either one of the VE.Bus
sockets on the back of the CCGX. Use a standard RJ45 UTP cable, see our
pricelist.
Systems consisting of five or more VE.Bus products, connected to a CCGX with serial number HQ1628
or earlier require the '
CCGX dongle for large VE.Bus systems
(Product Number: BPP900300100).