Description

Universal Zero Export Device Support all On-Grid Inverters- Export Limiter COHERENT TECHNOLOGIES

Product Specifications:

This smart meter is designed to monitor and measure power flow in a three-phase, four-wire setup. It is suitable for systems integrating solar inverters, grid connections, and various loads, enabling users to track energy consumption and export/import power flow accurately. Ideal for solar PV installations, commercial facilities, and industrial applications.

Key Features

• Real-time Energy Monitoring: Measures and displays energy flow from grid to load (import) and from load to grid (export).
• Reverse Power Flow Detection: Indicates power reversal by flashing phase power indicators.
• Communication Compatibility: Equipped with RS485 communication for seamless integration with inverters.
• Modbus Address Configuration: Allows for address setup to interface with different inverters, including Solis, Knox, Inverex, Sofar, Growatt, and Huawei.
• 3-Phase Current Measurement: Utilizes Current Transformers (CTs) for accurate current monitoring across all phases (L1, L2, L3).

Technical Specifications

Connection Diagram

• PV Array: Connects to the inverter for solar power input.
• Inverter: Connects to the meter via RS485 for communication.
• Main Breaker: Connects the smart meter to the load and the grid.
• Load: Connected to the smart meter to monitor power consumption.
• Grid: Provides AC power to the meter for energy import/export measurement.

Operation Instructions

1. Meter Address Setup: Hold the FWD button for 10 seconds to configure the Modbus address (1-11) as per the inverter model.
2. Power Flow Monitoring:
   • Import: Indicates energy flow from the grid to the load.
   • Export: Indicates energy flow from the load back to the grid.
   • Reverse Power Flow: Flashing phase indicators show the reversal of power flow in any phase.