Huawei SUN2000-150K-MG0

Compatibility

Documented monitoring through SmartLogger3000

Huawei’s SmartLogger map and user manual provide a concrete northbound TCP monitoring start. This route requires an installed SmartLogger3000, not an assumed MG0 Ethernet service or optional Dongle endpoint. The example reads the logger’s aggregate inverter/PCS output.

Use Issue 43 as a best-effort starting map and compare decoded values with the installed logger WebUI. Preserve the commissioned inverter/meter buses and plant controller. Physical Edge polling has not been tested; this guide includes no control commands.

Models

Specifications

Huawei’s February 2025 German datasheet and its preliminary English sheet agree on 150 kW nominal AC active power, 165 kVA maximum apparent power, 7 MPPTs with at most 3 string inputs each, 1100 V maximum DC input and 380/400/480 V nominal AC options. The product is IP66. Electrical design must use the actual country code and latest supplier issue.^3, 4

Exact regional model

SUN2000-150K-MG0; exclude -ZH unless the nameplate says otherwise^4, 5

Nominal AC output

150 kW at the documented 380/400/480 V nominal AC options; 165 kVA maximum apparent power⁴

PV tracking

Seven MPPTs, up to three inputs each; 48 A maximum current per MPPT⁴

DC input limit

1100 V maximum; 200–1000 V MPPT range⁴

RS485-1

Pins 1–4, IN/OUT pairs for inverter cascade or SmartLogger⁵

RS485-2

Pins 7–8, downstream RS485 device such as a power meter⁵

AC MBUS

Conditional plant network; unsupported on part number 01076909, with isolation/step-up transformer requirements^1, 5

Optional communications

Smart Dongle 4G or WLAN-FE; confirm the installed accessory and software^4, 5

Enclosure

IP66; manual gives -25 to +60°C ambient range subject to design and derating⁵

Interface

Documented measurements and integration boundaries for SUN2000-150K-MG0.

• RS485-1 pins 1–4 provide IN/OUT pairs for inverter cascading or a SmartLogger. RS485-2 pins 7–8 are for a downstream RS485 device such as a power meter. Preserve the commissioned meter path.
• Huawei documents up to 30 inverters per SmartLogger COM port on RS485, or up to 10 on a Dongle. Those plant topology limits do not define third-party polling capacity or readable Edge points.
• AC MBUS is Huawei inverter-to-logger communication over the plant power network, not a utility M-Bus meter interface or a direct Ethernet handoff. The manual excludes part number 01076909 and requires a suitable isolation or step-up transformer in MBUS scenarios.
• The product page qualifies AFCI, PID recovery and MBUS as top-configuration features. Check exact hardware before promising them, even when a regional datasheet prints an unconditional feature row.
• Inverter production is not point-of-common-coupling import or export. Keep the grid meter and plant control owner separate from inverter telemetry.
• No setpoint, export limit, reactive-power, shutdown or VPP dispatch write is approved by this selection guide.

Setup

1. Identify regional and hardware variant

   Record the complete SUN2000-150K-MG0 nameplate, part number, firmware and country grid setting. The -ZH suffix belongs to a separate region, and part number 01076909 has no AC MBUS.

2. Trace the plant network

   Identify whether the installed inverter uses RS485 or AC MBUS. Trace RS485-1 to the SmartLogger or Dongle and RS485-2 to any meter; document the actual SmartLogger model, software and COM port.

3. Qualify MBUS before designing around it

   For AC MBUS, verify the hardware feature, non-residential plant context, isolation or dedicated step-up transformer and Huawei’s cable guidance. Do not treat MBUS as an Edge IP endpoint.

4. Enable the local logger monitoring handoff

   In Settings > Comm. Param. > Management System, configure the third-party Modbus TCP link. Prefer Enable(Limited) with the reader’s fixed IP; record the configured listening port and address mode. Huawei permits up to five preset clients. This standard TCP mode has no authentication or encryption, so keep it on a protected site network. Do not change the existing controller’s settings.

5. Read the logger before adding inverter points

   Read logger ESN at 40713, ten registers, and compare it with the WebUI. Then read 40525 as signed I32 with gain 1000 and unit kW. Issue 43 assigns logger-level TCP Unit ID 0; use the worked check below and confirm addressing against the installed configuration.

Common questions

How many MPPTs does SUN2000-150K-MG0 have?

The regional datasheet specifies seven, with up to three DC inputs per tracker. Check the exact model and current supplier issue before sizing strings.⁴

Can RS485-2 be used as a spare telemetry bus?

Do not assume so. The issue 20 manual assigns it to a downstream device such as a power meter; RS485-1 carries the inverter cascade or SmartLogger link. Inspect the commissioned wiring first.⁵

Does every MG0 have AC MBUS?

No. Huawei states that part number 01076909 does not support it, and the product page limits MBUS to the top configuration. The plant topology also has transformer and environment requirements.^1, 5

Can Edge read it directly using Modbus?

On a plant commissioned with SmartLogger3000, use its documented TCP monitoring handoff and the logger-level read below. The inverter remains on its existing RS485 or MBUS link; this is not a direct MG0 Ethernet endpoint. SmartLogger5000B and SmartMGC5000B use their own interface documents.^5, 6, 7

Does 150 kW inverter production show grid export?

No. Production is measured at the inverter; site import or export requires the grid-point meter and its direction convention.⁵