Huawei SUN2000-12KTL-M5 Series

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Pin Denition Function Description

9 485A1 RS485A1 dierential

signal +

Used for inverter cascading

or connecting to the RS485

signal port of a

SmartLogger

10 485B1 RS485B1 dierential

signal –

11 485A2 RS485A2 dierential

signal +

Used for connecting to the

RS485 signal port of the

power meter.

12 485B2 RS485B2 dierential

signal –

Figure 5-8 Cascading diagram

Procedure

Step 1 Route the cables through the connection box and prepare cable terminals.

NO TICE

● Before routing cables, check that the sealing strips of the connection box are

intact. Otherwise, the sealing and waterproof performance of the device may

be aected.

● The cable stripping length must meet the requirements. Otherwise, the sealing

and waterproof performance of the device may be aected.

● The OT terminal size must match the cross-sectional area of the AC output

power cable and the M5 screw specications.

SUN2000-(12KTL-25KTL)-M5 Series

User Manual 5 Electrical Connections

Huawei SUN2000-12KTL-M5 Series - Page 51