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MASTERBUS
4 MASTERBUS
4.1
WHAT IS MASTERBUS?
All
devices
MasterBus are marked by the MasterBus
symbol.
MasterBus is a fully decentralized data network for
communication between the different Mastervolt
system devices. The communication network is
CAN-bus based and has proven a reliable bus
system in automotive applications. MasterBus is
used as power management system for all
connected devices, such as the inverter, battery
charger, generator and many more. This gives the
possibility for communication between the connected
devices, for instance to start the generator when the
batteries are low.
MasterBus reduces complexity of electrical systems
by reducing the amount of cables. All system
components are simply chained together. Therefore
each device is equipped with two MasterBus data
ports. When two or more devices are connected to
each other through these data ports, they form a
local data network, called the MasterBus network.
The results are a reduction of material costs as only
a few electrical cables are needed and less
installation time.
For central monitoring and control of the connected
devices Mastervolt offers a wide range of panels
which show full status information of your electrical
system at a glance and a push of a button. Four
different panels are available, from the small
Mastervision compatible 120 x 65mm LCD screen
up to the full colour MasterView System panel. All
monitoring panels can be used for monitoring,
control and configuration of all connected MasterBus
equipment.
8
that
are
suitable
for
New devices can be added to the existing network in
a very easy way by just extending the network. This
gives the MasterBus network a high degree of
flexibility for extended system configuration, not only
today, but in the future as well!
Mastervolt also offers several interfaces, making
even non-MasterBus devices suitable to operate in
the MasterBus network. For direct communication
between the MasterBus network and a product
which is not from Mastervolt, the Modbus interface is
recommended.
CAREFUL!
Never connect a non-MasterBus device to
the MasterBus network directly! This will
void warranty of all MasterBus devices
connected.
4.2
EVENT BASED CONFIGURATION
Event based configuration can be very helpful in
automation of your system. However it is not
required for battery monitoring only.
An event is a condition to be met at which you want
another device to perform a task.
Example: if the State of Charge of the batteries is
too low, you might want to correct this situation by
starting a generator to power the charger. The
MasterShunt event source Battery Low (State of
Charge is too low) can be used to start the
generator.
The MasterShunt has 9 parameters (like Battery low)
available to serve as an event source. These are the
7 alarm messages and 2 timers. See chapter 9 for
alarm messages and chapter 12 for information
regarding events.
February 2011 / MasterShunt / EN
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