Working Principles - Huawei SmartACU2000D User Manual

SmartACU2000D Smart Array Controller
User Manual (With PID Modules)
No. Name
18 RS485 communications
terminal (JX01)
19 SmartPID module (PID01) SmartPID2000
20 AC input terminal of the
24 V power module
(JX02)

2.5 Working Principles

Figure 2-7 Schematic diagram (The components in dotted boxes are optional.
Either a PoE module or a switch can be configured.)
The SACU communicates with devices in a PV array over RS485, MBUS, or
Ethernet.
●
Issue 05 (2023-09-26)
Specifications
12P; supports the wires with a cross-
sectional area of 1–2.5 mm
AWG).
220 V/2P; supports the wires with a cross-
sectional area of 0.2–10 mm
AWG).
NO TE
When the SACU communicates with the inverter over MBUS, log in to the embedded
WebUI of the SmartLogger3000, choose Monitoring > MBUS > Network Settings, and set
Networking to Enable (default value). When the SACU communicates with the inverters
over RS485, set Networking to Disable. For details, see the
Manual .
RS485 communication mode
Copyright © Huawei Technologies Co., Ltd.
Quantity
1
2
(or 18–14
1
1
2
(or 24–8
SmartLogger3000 User
2 Overview
26