Rs485 Communication Connection - Sunways STT Series User Manual

Figure 4-18 Monitoring device installation
1.The GPRS version module does not need to be configured.
2.The WiFi version module needs to be configured to the router for
Note
the first installation, and if the router name or password changed,
you need to configure it again. For details, please refer to the [QUICK
INSTALLATION GUIDE] which attached in the accessory bag.
Don't touch the waterproof plug in the card slot unless replace the
SIM card. If the SIM card needs to be replaced, please make sure the
Attention
card slot iscompletely sealed by waterproof plug after replacing. Any
damages caused by the waterproof plug sealing problem will be invalid
of warranty.

4.5 RS485 Communication Connection

STT 50~60kW series three-phase inverter supports multiple inverters connection to a data
logger BlueLog in a daisy chain mode through RS485 protocol. Customers can check their
inverters real-time power, warnings and status through the App "Linked Solar" or Sunways
monitoring system (monitor.sunways-tech.com) anytime anywhere.
Multiple inverters connection diagram as shown in Figure 4-19:
22
Figure 4-19 Multiple inverters connection diagram
The maximum distance between the inverter at the end of the daisy chain and the Blue'Log
should be within 1000M.
4.5.1 RS485 Communication cable connection
Inverter RS485 communication port schematic diagram, as shown in Figure 4-20:
Figure 4-20 RS485 communication port schematic diagram
4
1 3
2
23