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SUN2000-(29.9KTL, 33KTL-A, 36KTL, 42KTL) User Manual

This document describes the SUN2000-(29.9KTL, 33KTL-A, 36KTL, 42KTL) in terms of their installation, electrical connections, commissioning, maintenance, and troubleshooting.
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(Optional) Connecting FE Communications Cables

(Optional) Connecting FE Communications Cables

Description

FE communication is mainly used in distributed rooftop scenarios with a small number of inverters. The inverter can directly connect to the PC over the Ethernet to implement monitoring networking.
NOTE:
FE communication is optional for the SUN2000-36KTL. To use FE communication, contact local technical support.
  • Figure 5-35 shows the communication mode for a single SUN2000.
    Figure 5-35  FE communication mode for a single SUN2000
  • Figure 5-36 shows the communication mode for multiple SUN2000s.

    If multiple SUN2000s are used, connect all the SUN2000s in daisy chain mode over a network cable.

    Figure 5-36  FE communication mode for multiple SUN2000s
    NOTE:
    • The FE communication distance between two adjacent SUN2000s on the daisy chain cannot exceed 100 meters.
    • A daisy chain supports a maximum of 10 SUN2000s to be connected for communication.

RJ45 Connector Pin Definitions

Figure 5-37 shows an RJ45 connector.
Figure 5-37  RJ45 connector
The FE communications cable is connected over standard network cables. A standard network cable can be 568A or 568B. The network cables used in the same PV grid-tied power generation system should be prepared according to the same standard. Table 5-7 lists the 568A wire sequence standard. Table 5-8 lists the 568B wire sequence standard.
Table 5-7  568A standard

Pin

Color

1

White and green

2

Green

3

White and orange

4

Blue

5

White and blue

6

Orange

7

White and brown

8

Brown

Table 5-8  568B standard

Pin

Color

1

White and orange

2

Orange

3

White and green

4

Blue

5

White and blue

6

Green

7

White and brown

8

Brown

Connecting a Cable to the FE Network Port

  1. Insert the wires of the network cable to the RJ45 connector in sequence, as shown in Figure 5-38.

    Figure 5-38  Connecting wires to an RJ45 connector

  2. Crimp the RJ45 connector using a crimping tool.
  3. Remove the locking cap from the COM1 waterproof cable connector at the SUN2000 bottom and remove the plug from the locking cap.
  4. Route the cables through the locking caps and then the COM1 port at the SUN2000 bottom.
  5. Insert the RJ45 connector into the FE1_OUT and FE2_OUT ports in the SUN2000 maintenance compartment.

    Figure 5-39  Connecting communications cables

  6. Bind communications cables after connecting them.

    Figure 5-40  Binding communications cables

  7. Use a torque wrench with an open end of 33 mm to tighten the locking caps to a torque of 7.5 N·m.
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Updated: 2019-08-02

Document ID: EDOC1100019925

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