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VELBUS INSTALLATION GUIDE
To connect the bus between DIN modules in the electrical cabinet, there is also
the busbar VMBRAIL.
For your convenience, it is best to work with deep recessed pattress boxes so
that you have ample room afterwards when mounting pushbutton, PCB and
interface modules.
3 WHICH MODULES WILL I NEED IN
MY ELECTRICAL CABINET?
DIN RAIL POWER SUPPLY
You can use the Velbus web based
consumption calculator
(www.velbus.eu
>
Professionals > Installers) to find out how
much control power your full installation
will consume. For a normal home one 4.5 A
VMBSMPS power supply will suffice (the
rule of thumb is: 1 A maximum current
consumption for every 4 relay modules).
In larger installations, a low voltage power supply can be installed in each
electrical cabinet containing Velbus modules.
The grounds of the various low voltage power supplies (per floor for example)
must always be connected to each other.
The power supply of the bus cable to input modules (push button interfaces,
glass touch panels ...) can be branched off at any electrical cabinet, since input
modules consume very little current.
©2015 Velbus
14
www.velbus.eu
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