(2) Individual PV system with modem for remote inquiry
Connection to modem via RS 232
When connecting an individual solar inverter,
the remote modem is connected directly to an
external interface converter (IC) RS 232 at the
bottom of the solar inverter.
Jumper JP400: open
(2) For installation of the remote inquiry
of an individual solar inverter, the RS 232
signal can be conducted directly from the
solar inverter to the remote modem via
the SUB-D connector. Cable type 2 is used
for this purpose. A cable length of 25 m
should not be exceeded for the RS 232
connection between solar inverter and
modem. Jumper JP400 must be in open
position.
INVERTER
(1)
PV
PC
MODEM
MODEM
RS 232
RS 232
SUB-D connector
130
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