User Manual
31
User Manual
32
6.6 COMMUNICATION AND MONITORING SETTING
SAJ solar inverter offers 2 communication solutions for users: RS485
(standard) and Ethernet (optional). All the SAJ products involved in the solar
monitoring system are:
Sununo-TL series solar inverters: single phase transformerless on-grid solar
inverters, such as Sununo-TL1.5K/2K/3KA/4KA/5K，SU3KMTL1/
SU4KMTL1/SU5KMTL1
SAJ Logger: data logger for local monitoring and maintenance of solar
power plants,can be registered through SAJ Web Portal.
SAJ Web Portal: free monitoring application through web, iPhone,iPAD and
Android App. Internet access must be ensured for the inverter network
configuration before SAJ Web Portal service registration.
SAJ Web Server: the local web monitoring application through web browser built
in all SAJ inverters.For more detail information, please refer to SAJ Monitoring
Solution through www.saj-soalr.com
Note : The text lines in the following Figures indicates communication cable
6.6.1Communication through RS485
RS485 can be used for both single-point and multi-point communication. At
present, RS485 can communicate and monitor up to 32-inverters.
RS485 Single-point Monitoring
Communication of a single inverter is shown in Figure1 as below. Users can
connect inverter's RS485 port to PC through RS485/232 Module.
To realize multi-point monitoring of SAJ solar inverter, we offer
2configurations as shown in below:
(1)
PC Multi-point Monitoring
Figure 6.19 Communication of a Single Inverter
Figure 6.20 PC Multipoint Monitoring
Figure 6.21 PC + SAJ Logger Multipoint Monitoring
RS485 Multi-point Monitoring
6.5 DC SIDE DISCONNECTION
Only qualified electricians who have fully understood all safety regulation
contained in this manual can disconnect and maintain the DC connectros.
(2)
SAJ Logger Multipoint Monitoring
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