Huawei SUN2000-60KTL-M0 User Manual page 55

SUN2000-60KTL-M0
User Manual (Europe Edition)

PLC Communication
The PLC communication board loads communication signals onto power cables for
transmission. For details about how to install the PLC module, see the PLC CCO01A User
Manual or SmartLogger2000 User Manual.
Selecting a Communication Mode
The RS485 and PLC communication modes are mutually exclusive.
Issue 02 (2018-10-15)
Figure 5-22 Communication mode for a single SUN2000
Figure 5-23 shows the communication mode for multiple SUN2000s.
If multiple SUN2000s are used, connect all the SUN2000s in daisy chain mode over an
RS485 communications cable.
Figure 5-23 Communication mode for multiple SUN2000s
 The RS485 communication distance between the SUN2000 at the end of the daisy chain and the
SmartLogger cannot exceed 1000 meters.
 If multiple SUN2000s need to communicate with one another and are connected to a PC over the
SmartLogger1000, a maximum of three daisy chains can be configured.
 If multiple SUN2000s need to communicate with one another and are connected to a PC over the
SmartLogger2000, a maximum of six daisy chains can be configured.
 To ensure the system response speed, it is recommended that the number of devices on each daisy
chain be less than 30.
The built-in PLC module in the SUN2000 does not need to be connected with additional cables.
Copyright © Huawei Technologies Co., Ltd.
5 Electrical Connections
49