VOLTWERK VS 3 Manuel De Service page 79

3 Technical description
16
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3.1: Connections, DC switch disconnector and button
DC+
(1)
Solar power system connection
DC–
(2)
Solar power system connection
DC switch disconnector
(3)
Switch position 0: there is no power to the power unit
for the string inverter.
Switch position 1: the power unit for the string inverter
is switched on.
Button
(4)
Switch on display lighting and operate display menu
CAN In
(5)
Connection for previous inverters in a photovoltaic
system, Voltwerk monitoring unit or parameterisation
tool StringInverter Setup
CAN Out
(6)
Connection for subsequent inverters in a photovoltaic
system or terminator. If the Voltwerk monitoring unit or
StringInverter Setup is connected, the CAN bus must
be closed with a terminator.
AC Out
(7)
Grid connection
Operating manual
(4) (5)
(1) (2) (3)
Voltwerk VS 3, 4, 5
(6)
(7)