Huawei SUN2000 Series User Manual page 50

Pin Definiti Function
on
13 GND GND
15 DIN5 Rapid shutdown
switch
Communication Networking


Issue 02 (2019-04-30)
Description
N/A
Reserved.
 When the RS485 communications cables of devices such as the Smart Power Sensor and the energy
storage device are both connected to the inverter, 485A2 (pin 7), 485B2 (pin 9), and PE (pin 5) are
shared.

When the enable signal cable of the energy storage device and the signal cable of the rapid shutdown
switch are both connected to the inverter, GND (pin 13) is shared.
Single Inverter+Smart Dongle Networking
Figure 5-18 Smart Dongle networking
The Smart Power Sensor is necessary for export limitation. Only the DTSU666-H Smart Power Sensor
(provided by Huawei) can be used.
Multiple Inverter+SmartLogger1000A Networking
Figure 5-19 SmartLogger networking
 A maximum of 80 devices can connect to a single SmartLogger1000A, such as inverters, Smart
Power sensor, and EMI. You are advised to connect fewer than 30 devices to each RS485 route.
Copyright © Huawei Technologies Co., Ltd.
Pin Definitio Function
n
14 DIN4
16 GND
SUN2000-(3KTL-10KTL)
User Manual
Description
Page 50 of 81