Lingqi's product line covers communication managers, protocol converters, edge computing gateways, IoT gateways, AGC/AVC controllers, and grid security devices — all designed for PV grid connection, energy storage, and substation automation. Key protocols: IEC 61850, IEC 60870-5-104, Modbus, OPC UA, MQTT, CAN.

Communication Manager PBox6220 Series

Industrial IoT communication gateway for substations and renewable energy stations. Supports IEC 61850, IEC 104, Modbus, OPC UA, and 400+ protocols with edge computing.

Protocol Converter / 61850 Protocol Converter

Zero-configuration protocol converter bridging Modbus, DLT645, IEC 61850, MQTT, and 400+ industrial protocols. Visual mapping tool, no coding required.

IoT Gateway PBox1121A / PBox1120-4G

Multi-network edge IoT gateway with LTE, Wi-Fi, BLE, Z-Wave, Sub-G, and LoRa. Supports MQTT, edge computing, LUA scripting, and one-click cloud connectivity.

Edge Computing Gateway PBox8620

4G edge computing gateway with CAN interface, 10000-point capacity, and BMS integration for PV, storage, and power grid applications.

Inverter Data Stick PBox8628

PV inverter data collector with IV curve scanning and 50+ inverter brand support. Plug-and-play RS485/USB connectivity with 4G cloud upload.

Distributed Power Coordination Device PBox6220-PQCT

AGC/AVC control device for PV and storage stations. Reactive power regulation with sub-200ms response, group control, and anti-reverse power flow.

Industrial Serial Server

RS485 to Ethernet serial server with Modbus gateway mode. 15kV ESD protection, EMC Level 4, wide temperature -40°C to 85°C for industrial environments.

Industrial Firewall / Grid Security Gateway

IEC 61850 firewall with SM2/SM3/SM4 encryption, vertical encryption, and horizontal isolation for power grid secondary security protection.

PV Substation Monitoring / Box-Type Substation Monitor

IEC 61850 GOOSE/SV substation monitoring device with IP54 protection and -40°C to 70°C wide temperature range for renewable energy box-type substations.

Cloud Platform (Device Cloud / Power Cloud / Industrial Cloud)

Cloud IoT platform supporting MQTT, HTTP, CoAP, IEC 61850, and IEC 104. Device management, data visualization, alarm analytics, and fleet-wide remote operations.

Industrial 4G Router

Rugged 4G industrial router with IPSec/OpenVPN, 15kV ESD protection, dual SIM redundancy, and 7×24 continuous operation for utility and industrial networks.

PLC Communication Module

Modbus to 4G PLC remote communication module with built-in 4G. Plug-and-play for Siemens, Mitsubishi, Schneider, and Omron PLCs with cloud connectivity.

IoT Controller

IoT controller with M-BUS, Modbus, CAN, and PROFIBUS fieldbuses. PLC-level reliability with IEC 61131-3 programming and remote control via 4G/NB-IoT.

IoT Control Panel

Smart control panel with touchscreen HMI, PLC remote download, and IoT SIM connectivity. 7/10/15-inch options with 4G/Wi-Fi for remote equipment management.

Spirit Gateway PBox1120-4G

Compact protocol converter and IoT gateway. Miniature low-cost MQTT/Modbus gateway with built-in 4G, palm-sized form factor for field device connectivity.