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7. COMMUNICATIONS
Protect PV is equipped with a powerful communications interface and
options. Use Protect PV Monitor to monitor the status of your PV
Inverter. Also, qualifi ed personnel can upgrade the fi rmware using the
RS232 port.
1. RS232: To use the RS232 port, remove the RS232 cover on the
bottom side of Protect PV. It is a DB9 socket. The pin defi nition is
PIN FUNCTIONAL DESCRIPTION
1 N.C.
2 TxD
3 RxD
4 N.C.
5 Common
6 N.C.
7 N.C.
8 N.C.
9 N.C.
N.C. means “No Connection”
2. Optional communications port: This port is a very powerful exten-
sion. Protect PV can accept a special card designed for the port
only. The RS485 card is used to work with Protect PV logger and in
multiple monitoring applications. AEG Power Solutions GmbH plan
to release other communication cards in the near future. For informa-
tion of card details, please refer to the user manual of each individual
card. To get the latest information, please contact with your local
AEG PS dealer or visit our website.