5.8 (Optional) Connecting Signal Cables
Context
When laying out signal cables, separate them from power cables and keep them
away from strong interference sources to prevent communication interruption.
Figure 5-18 Signal cable ports
Table 5-3 COM port Ēʲì²ÑÊ
No. Label Ēʲì²ÑÊ Single SUN2000
Scenario
SUN2000 Cascading
Scenario
1 485B1 RS485B, RS485
²čàÊì²Ã
signal–
- Used for connecting to
the solar inverters.
2 485A1 RS485A, RS485
²čàÊì²Ã
signal+
3 485B2 RS485B, RS485
²čàÊì²Ã
signal–
Used for connecting
to the RS485 signal
ports of the battery
and smart power
sensor. When both
battery and power
meter are
ÑÊĒªñàȀ they
need be crimped to
the 485B2 and
485A2 ports.
Used for connecting to
the RS485 signal ports
of the battery and
smart power sensor.
When both battery
and smart power
sensor are ÑÊĒªñàȀ
they need be crimped
to the 485B2 and
485A2 ports.
4 485A2 RS485A, RS485
²čàÊì²Ã
signal+
SUN2000-(2KTL-6KTL)-L1
User Manual 5 Electrical Connection
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