The Solar Family Series Inverter
28
8 Setting up Communication
8.1 Communication Interface Type
This product has a communication interface
RS485 and
Serial Port
(optional).
Operating
information
such as o
utput voltage, current, frequency, fault information, etc., can be delivered to
PC or other monitoring equipment vi
a RS485.
8.2 Communication
When user want to know the information of the power station and manage the entire power system.
We offer below three types of communications.
Figure 33
Communication Interface of SF
Series
Inverter
Table 12
3-line RS485
Wire No.
Function
Serial Port Wire No.
Function
1
A
1
VCC
2
B
2
RXD
3
GND
3
TXD
4
GND
8.2.1
Connect the system by Serial Port/RS485 Adapter
User can use a Serial Port/RS485 to USB Adapter to connect the inverter and the PC, Please note
that the inverter’s serial port is TTL standard not RS232 standard. Using B&B Data Explorer , the
inverter’s information can be checked on PC.
Take example of RS485 (
Figure
35):
Serial Port
RS485
RS485
1
2
3
4
3
1
2
3
2
1
