SAJ H1 Series - Communication Connection

H1 Series
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5.7 Communication Connection
5.7.1 Serial Port Definition
H1 series hybrid inverter has a RS232 communication port integrated.
Figure 5.12 9-Pin serial port
Pin Number
Description
Effect
1
+7V
Power supply
2
RS-232 TX
Send data
3
RS-232 RX
Receive data
4
GND
Ground wire
Table 5.5 9-Pin serial port introduction
USB interface with Wi-Fi module, please reference Wi-Fi user manual.
5.7.2 RJ45 Pin Port Definition.
Left
1
NC
RS485
2
NC
3
NC
4
NC
5
NC
6
NC
7
RS485-A+
8
RS485-B-
Right
RS485
1
NC
2
NC
3
NC
4
NC
5
NC
6
NC
7
RS485-A+
8
RS485-B-