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SUN2000-(3KTL-10KTL) User Manual

This document describes the SUN2000-3KTL-M0, SUN2000-4KTL-M0, SUN2000-5KTL-M0, SUN2000-6KTL-M0, SUN2000-8KTL-M0, SUN2000-10KTL-M0, and SUN2000-12KTL-M0 in terms of their installation, electrical connections, commissioning, maintenance, and troubleshooting. BOM number: 01074467, 01074295, 01074300, 01074301, 01074302, 01074306, 01074311, 01074314, 01074315, 01074316, 01074320
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(Optional) Installing the Signal Cable

(Optional) Installing the Signal Cable

Communication port signal definitions

  • When routing the signal cable, ensure that it is separate from the power cable and away from interfering sources to prevent communication from being affected.
  • The protection layer of the cable is in the connector. Cut off surplus core wires from the protection layer. Ensure that the core wires are completely inserted into the cable holes, and that the cable is securely connected.
Figure 5-17 Signal definitions

Pin

Definition

Function

Description

Pin

Definition

Function

Description

1

485A1-1

RS485A, RS485 differential signal+

Used to cascadeinverters or connect to the RS485 signal port on the SmartLogger

2

485A1-2

RS485A, RS485 differential signal+

Used to cascadeinverters or connect to the RS485 signal port on the SmartLogger

3

485B1-1

RS485B, RS485 differential signal–

4

485B1-2

RS485B, RS485 differential signal–

5

PE

Shield layer grounding

N/A

6

PE

Shield layer grounding

N/A

7

485A2

RS485A, RS485 differential signal+

Used to connect to the RS485 signal port on devices such as the Smart Power Sensor and the energy storage device

8

DIN1

Power grid scheduling dry contact

N/A

9

485B2

RS485B, RS485 differential signal–

10

DIN2

11

EN

Enable signal

Reserved. Used to connect to the enable signal port on an energy storage device

12

DIN3

13

GND

GND

N/A

14

DIN4

15

DIN5

Rapid shutdown switch

Reserved.

16

GND

NOTE:
  • 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.

Communication Networking

  • Single Inverter+Smart Dongle Networking
    Figure 5-18 Smart Dongle networking
    NOTE:

    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
    NOTE:
    • 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.
    • The Smart Power Sensor is a necessary export limitation. Select the Smart Power Sensor according to the actual project.
    • To ensure the system response speed, the Smart Power Sensor is recommended to be connected to a COM port separately from inverter COM port.
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Updated: 2019-05-31

Document ID: EDOC1100059932

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