44
Important:
the charger parameters must be configured only by qualified personnel
8.2.16
Connection to the external current transformer
In alternative to the digital meter, as presented in the previous chapter, a current transformer
can be used.
The current transformer must be connected as in the following:
Connection of the current transformer to the charger
Step
Description
Picture
1
The external current transformer is
connected to the charger through the
RS-485 bus.
The RS-485 terminal block (it is not the
same used for the digital meter
connection) is accessed by removing
the front cover (see installation
paragraph).
The RS-485 cables are inserted through
the same access path used for the
supply cables.
the power supply must be
disconnected in this phase