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Installation

4.4 Communication

4.4.2 RS422/Ethernet

In a master/slave combination, the RS422 bus cable must be laid between the inverters.

All inverters with PPsolar (installed on a PC) can be monitored simultaneously via the RS422 bus

connected to the X5 plug-in connector on the rear of the operator panel.

The Com server transforms the RS422 bus into an Ethernet connection. The Com server is located in the

master cabinet.

On earlier SINVERT inverters, the SU1 interface converter transformed the RS422 bus into a serial

RS232 connection.

Figure 4-20 Cable routing of the RS422 bus

Figure 4-21 Rear of operator panel

Figure 4-22 Com server

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Siemens TL.. Istruzioni per gli Interventi Pagina 59