Huawei SUN2000 Series User Manual page 42

SUN2000-(12KTL-25KTL)-M5 Series
User Manual
Table 5-3 Signal definitions
Pin
1
2
3
4
5
6
7
8
9
10
11
12
Procedure
Step 1 Route the cables through the junction box and prepare cable terminals.
The cable stripping length must meet the requirements. Otherwise, the
airtightness and waterproof performance of the device may be affected.
Issue 01 (2022-06-15)
Definition
GND
DIN1
DIN2
DIN3
DIN4
DIN5
GND
-
485A1
485B1
485A2
485B2
NO TICE
Copyright © Huawei Digital Power Technologies Co., Ltd.
Function
Ripple control
Rapid shutdown signal+
GND
-
RS485A1 differential
signal+
RS485B1 differential
signal–
RS485A2 differential
signal+
RS485B2 differential
signal–
5 Electrical Connections
Description
GND port for the DIN1 to
DIN5 signals
Dry contact for grid
scheduling
For the rapid shutdown DI
signal or connecting to the
signal cable of an NS
protective device
-
-
For inverter cascading or
connecting to the RS485
signal port of a
SmartLogger
Connecting to the RS485
signal port of a power
meter
36