Smart Meter USER MANUAL

Kun Lun Shan Road 189, Suzhou, Jiangsu, China 215000 | service@goodwe.com | www.goodwe.com

01 INTRODUCTION

GoodWe Smart Meter is designed with high precision, small dimensions, convenient operation and installation. It is available for both single-phase and three-phase grid system connection to detect voltage, current, power and energy, for working with inverters including SEMS systems for the purpose energy management.

Any fault or damage caused by misoperation or disobeyal against the rules on manual is beyond GoodWe warranty cover range.

PACKING LIST

1* Smart Meter
1* CT (Current Transformer)
1* Screw Driver
4* Cable Connection Terminals
1* USB Seal
1* RJ45-to-Pin Cable

NOTE:

[1] A three-phase Meter will contain 3 CT clamps. Specifications are subject to the physical product.
[2] Only suitable for RS485 cable connection on RJ45 port of GoodWe hybrid inverters.

02 OVERVIEW

2.1 SMART METER OVERVIEW

The Smart Meter has the following components:

① Power LED
② Energy Consumption LED
③ Communications LED
④ Reset Switch
⑤ USB Port

Diagram showing the front and side view of the Smart Meter with dimensions (36mm width, 85mm height, 66.5mm depth).

2.2 CT OVERVIEW

Diagram showing the Current Transformer (CT) with dimensions (inner diameter 32mm, outer diameter 45mm, length 16mm) and cable entry points.

03 INSTALLATION INSTRUCTION

3.1 INSTALLATION ENVIRONMENT

Protection Class: IP20 (for indoor use)

Operating Temperature: -20~60 ℃

3.2 INSTALLATION (with DIN track)

Pull to release the retaining clip.
Mount the Meter on the track and push the retaining clip up (a click sound indicates it is installed well).

Diagram illustrating the steps for mounting the meter on a DIN track.

3.3 WIRING CONNECTION

3.3.1 WIRING FOR SINGLE-PHASE METER

Diagram showing the wiring for a single-phase meter, including connections for Grid, Load, Inverter, RS485, and CT. It indicates the correct direction for the CT: House (K)→Grid (L).

Note: Incorrect connection or direction will cause incorrect data.

3.3.2 WIRING FOR THREE-PHASE METER

Diagram showing the wiring for a three-phase meter, including connections for Grid, Load, Inverter, RS485, and 3 CTs. It indicates the correct direction for the CT: House (K)→Grid (L).

Note:

Correct direction of CT: House (K)→Grid (L).
Ensure CT and corresponding supply cable are connected to the same phase.
Incorrect connection or direction will cause incorrect data and may damage the meter.

04 ELECTRICAL DATA

MODEL	GM1000	GM3000
APPLICATION	Single-phase	Three-phase
Nominal Voltage	230Vac	3L+N/400Vac
Voltage Range	0.7~1.2Un	0.7~1.2Un
Frequency	50Hz/60Hz
Nominal Current	CT in: 120A/40mA
Current Range	0.48A~120A
Self-Consumption	3W max
Data Detection	Voltage/Current/Active Power/Reactive Power/Power Factor/Frequency
Energy Calculation	Active/Reactive Power Energy
Precision	Voltage/Current: Class I Active Power: Class I Reactive Power: Class 2
Comm.	With Inverter
	RS485 (Bund Rate 9600 / ModBus Protocol / communication cable max. length 100m)

05 INTERFACE

5.1 INDICATORS

Power LED: Normal operation: ON
Energy Consumption LED: Consuming: On; Generating: Blinking
Communication LED: Transmitting data: Blinking; Resetting: Blink 5 times

5.2 RESET BUTTON

Press	Function
<3s	Meter Reset
5s	Meter Settings Initialization
> 10s	Meter Initialize settings and clear energy data

5.3 USB PORT

For after-sales maintenance

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