Huawei SUN2000-250KTL Series User Manual page 45

SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series
User Manual
Figure 5-4 RS485 networking application
(A) PV strings
(D) Transformer station
(G) Management system
● To ensure the system response speed, you are advised to connect less than 30
● If RS485 communication is used, the RS485 communication distance between
● If MBUS communication is used, multi-core cables are recommended and the
Issue 02 (2022-12-20)
NO TICE
cascading SUN2000s on each COM port of the SmartLogger.
the SUN2000 at the end and the SmartLogger cannot exceed 1000 m.
maximum communication distance is 1000 m. If single-core cables are used,
the three-phase cables must be bound at an interval of 1 m
(
400 m. (When the SmartMBUS CCO01B is configured, the maximum single-
core cable communication distance is 750 m, and the distance between the
CCO and the busbar sampling cable of the transformer station cannot exceed 3
m.)
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(B) SUN2000s
(E) Power grid
-
) and the maximum communication distance is
5 Installing Cables
(C) AC combiner box
(F) SmartLogger
-
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