11
.
B1
RS485B, RS485
differential signal–
Solar inverters cascading
scenario: used for connecting
to the solar inverters.
A1
RS485A, RS485
differential signal+
B2
RS485B, RS485
differential signal–
Used for connecting to the
RS485 signal ports of the
battery and power meter.
When both battery and power
meter are configured, they
need be
crimped
to the 485B2
and 485A2 ports.
A2
RS485A, RS485
differential signal+
GND of the enable
signal/12V/DI1/DI
2
Used for connecting to GND of
the enable signal/12V/DI1/DI2.
12V+
Used for connecting to the
enable signal of the battery
and the 12V positive signal.
1
input
+
Used for connecting to the DI1
positive signal. It can be used
for connecting to the DRM0
scheduling signal or reserved
for the rapid shutdown signal.
2
input
+
Used for connecting to the DI2
positive signal. It can be
reserved for the feedback
signal of the Backup device.
COM Port Pin Definitions
Crimping Two Signal Cables
Crimping Three Signal Cables