Eaton PV240 User Manual

Eaton Corporation Page 40 Ver 1.1PIN Signal Assignment1 N.C.2 TxD3 RxD4 N.C.5 Common6 N.C.7 N.C.8 N.C.9 N.C.L. RS232 Interface (for service purpose)The Eaton gird-tied PV Inverter is equipped with a versatilecommunications interface and can be used with a stand-alone monitoringsoftware called “Pro Control” to monitor the operating status of a singlePV inverter or multiple PV Inverters through RS485 or RS232 interface.To active the RS232 interface, the RS485 interface card should bedisabled manually by switching off the SW2 DIP switch as below figure6.2.16 indicates. Therefore, it is important to know the status of SW2 DIPswitch when service personnel are dealing the communication interfaces.Figure 6.2.16: Enable model for the RS232 interfaceFirmware upgrades are also available and can be done via RS232interface. All PV Inverters are integrated with a DB9 socket for the RS-232interface as a built-in interface within wiring box. The pin assignment ofDB9 socket is stated as below table shown:Figure 6.2.17: RS-232 Interface Pin AssignmentDisable Configuration Enable Configuration