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3.3
Installing the communication system
Interface overview
The communication interfaces are located above the
AC terminals.
L3 L2 L1 N PE
1
3
1 Ethernet connection
2 Modem connection
3 CAN bus
4 S0 interface (pulse output, e.g. for large display)
5 Connection for temperature and irradiance sensor
6 Connection for alarm relay
4
5
6
Networking Solar Inverters via CAN bus
The Solar Inverters can be networked with each
other via the CAN bus interface.
1
Device 1
Device 2 ...
1 Terminating resistor connector
·
Use the Ethernet cable provided to network the
Solar Inverters with each other.
·
Connect a terminating resistor connector (1) at
the first and last Solar Inverter in the series. The
pluggable terminating resistor connectors are
included with the device.
·
The total length of the CAN bus network may
not exceed 100 m.
·
Up to 99 PT and AT series devices can be net-
worked via a CAN bus.
3 Installation
1
18
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