FEXLINK the Power.
Home/Products/Smart Lightning Protection/FG Smart Lightning Gateway
Smart Lightning Protection

FG Smart Lightning Gateway

ESX Series

Up to 128 lightning-monitoring points aggregated, unified cloud management, the data hub of an online lightning-protection platform.

128 monitoring pointsData convergenceUnified cloudLightning platform
FG Smart Lightning Gateway

Product Overview

The ESX intelligent edge computing gateway is suitable for the power, railway, petrochemical, new energy, communications, environmental protection & water conservancy, airport apron lightning rod, and power distribution & grounding system industries, providing data aggregation, protocol conversion and remote upload for various monitoring terminals. With multiple uplink/downlink communication methods, fault alarms, scheduled acquisition and other functions, it processes data efficiently and features data storage, resume-on-breakpoint and offline protection. It can also coordinate and control each terminal device per backend commands, realizing system-level automated response and building a smart lightning protection IoT network.

Core capabilities

High data processing efficiency with data storage, resume-on-breakpoint and offline protection. Downlink RS485/Zigbee and uplink Ethernet, supporting multiple communication combinations. Local indicator lights for alarm status, with local and cloud-based networked alarms. Built-in anomaly detection algorithm for millisecond-level alarm processing and prediction. Product Features

Data Generated128 monitoring pointsData convergenceUnified cloudLightning platformProduct FeaturesHigh efficiency

High data processing efficiency with data storage, resume-on-breakpoint and offline protection, ensuring data integrity and continuity.

Smart alarms

Local indicator lights show alarm status; multiple parameter warning/alarm presets can be freely configured, supporting local alarms and cloud-based networked alarms.

Alarm prediction

Built-in anomaly detection algorithm processes alarms within milliseconds and predicts abnormal trends in advance.

Multiple communication options

Can connect to the gateway via RS485/Zigbee/Ethernet etc., transmitting all kinds of data to the cloud service system.

Smart linkage control

Can coordinate and control each terminal device per backend commands, realizing system-level automated response and building a smart lightning protection IoT network.

Scheduled autonomous acquisition

Supports scheduled polling of terminal data and uploading to the server at configured intervals, reducing manual intervention and ensuring data real-time performance and continuity. Selection Guide

System TopologyPerception LayerElectrical Parameters · Leakage Detection · Temperature · Arc · Lightning Current · SPD StatusEdge LayerEdge Gateway · Smart Circuit Breaker · Protocol Acquisition · Rule EnginePlatform LayerFEXLINK Cloud · W-Link · Device Access · Data StorageApplication LayerIndustrial AI Analysis · Virtual Power Plant · Energy Monitoring · Carbon Assets · Carbon-Neutral ParkSelection GuideModel naming convention

FG - 02 2 1 - E R FG Product: Smart gateway 02 Gateway type: 01=transparent transmission; 02=protocol conversion 2 Mounting method: 1=outdoor; 2=indoor 1 Power supply: 1=DC12V; 2=AC220V E Uplink communication: E=Ethernet R Downlink communication: R=RS485; Z=Zigbee Model Power supply Downlink communication Uplink communication 4G FG-0221-ER DC12V RS485 Ethernet -- FG-0221-EZ DC12V Zigbee Ethernet -- FG-0222-ER AC220V RS485 Ethernet -- FG-0222-EZ AC220V Zigbee Ethernet -- Technical Parameters

ModelPower supply / Downlink communication / Uplink communication / 4G
FG-0221-ERDC12V / RS485 / Ethernet / --
FG-0221-EZDC12V / Zigbee / Ethernet / --
FG-0222-ERAC220V / RS485 / Ethernet / --
FG-0222-EZAC220V / Zigbee / Ethernet / --

Technical Parameters

Basic parameters

Operating voltage DC 12V Power consumption ≤1W Operating temperature -20℃~60℃ Operating humidity <95% Weight 260g Dimensions 72*90*69mm (L×W×H) Housing material Thermoplastic material UL94V0 Protection rating IP20 Mounting method Standard 35mm DIN rail mounting

Operating voltageDC 12V
Power consumption≤1W
Operating temperature-20℃~60℃
Operating humidity<95%
Weight260g
Dimensions72*90*69mm (L×W×H)
Housing materialThermoplastic material UL94V0
Protection ratingIP20
Mounting methodStandard 35mm DIN rail mounting

Communication parameters

Communication Downlink RS485/Zigbee; uplink Ethernet Communication protocol Modbus/MQTT protocol Downlink RS485 Supported Downlink Zigbee Supported Uplink Ethernet Supported Data storage Supported Resume on breakpoint Supported Offline protection Supported Scheduled acquisition Supported Installation Instructions

CommunicationDownlink RS485/Zigbee; uplink Ethernet
Communication protocolModbus/MQTT protocol
Downlink RS485Supported
Downlink ZigbeeSupported
Uplink EthernetSupported
Data storageSupported
Resume on breakpointSupported
Offline protectionSupported
Scheduled acquisitionSupported

Installation Instructions

a. Fg Products | YESLON var _hmt = _hmt || []; (function () { var hm = document.

Installation dimension drawing

72mm length 90mm width 69mm height 35mm standard DIN rail b

Interface description

Interface definition No. Definition 1 V+, V-: power input DC12V 2 A, B: RS485 bus interface 3 Antenna port (for wireless communication, an antenna port is located on the bottom of the module) 4 Ethernet port (an Ethernet port is located on the top of the module)

No.Definition
1V+, V-: power input DC12V
2A, B: RS485 bus interface
3Antenna port (for wireless communication, the antenna port is on the bottom of the module)
4Ethernet port (the Ethernet port is on the top of the module)

Key Points

Definition: The ESX intelligent edge computing gateway is the core gateway device of the FEXLINK smart lightning protection IoT network, responsible for data aggregation, protocol conversion and edge linkage. Core capabilities: downstream connection of monitoring terminals such as FSS/FSP/FS/ZSA, upstream upload via Ethernet/Wi-Fi/4G, local caching and resume-on-breakpoint, and integration with Modbus, MQTT and FEXLINK Cloud. Applicable scenarios: power distribution rooms, industrial parks, base stations and other scenarios where multiple devices need to be aggregated and connected to the cloud platform. Related products: FSS intelligent surge protective device, FS surge protective device monitor, CW edge computing gateway, FEXLINK Cloud.

Related Products

RecommendedFS Lightning-Protection Monitor

FS Lightning-Protection Monitor

FS-33211

SPD online monitoring, microamp-accuracy leakage-current detection, supporting four/five-element and nine-element monitoring, full visibility of SPD status and life trend.

SPD online monitoringuA-level leakageFour/Five-element / Nine-elementLife trend
View Details →Smart Lightning Protection
FSS Smart Surge Protective Device

FSS Smart Surge Protective Device

FSS Series

Integrated smart SPD with built-in monitoring and communication, LCD/OLED display, combined lightning protection and status monitoring.

Integrated smart SPDLCD/OLEDBuilt-in communicationStatus monitoring
View Details →Smart Lightning Protection
FL Lightning-Current Monitor

FL Lightning-Current Monitor

FL Series

Peak lightning current 1kA-120kA measurement, GPS/BeiDou timing, IP67 outdoor protection, precise lightning-event attribution.

1kA-120kA peakGPS/BeiDouIP67Event attribution
View Details →Smart Lightning Protection

Related Industry Verticals

CloudLightning

Smart Lightning Protection Monitoring System

The smart lightning protection monitoring system is a full-lifecycle online monitoring system for surge protective devices (SPDs) in buildings, power, telecommunications, transportation, petrochemical, and other industries. Through FS/FSS/FL/FR/FG/ESM series smart lightning protection terminals, it monitors SPD degradation status, leakage current, lightning strike count and intensity, grounding resistance, and equipotential bonding status in real time, evolving lightning protection systems from passive annual inspection to 24h online dynamic assessment linked with thunderstorm-day warnings.

→ Enter Vertical

Learn MoreFG Smart Lightning Gateway Application Scenarios

Contact us for detailed solutions, quotes and technical support.

Inquire NowView Solution

Frequently Asked Questions

Which models and supply options does FG Smart Lightning Gateway offer?

FG Smart Lightning Gateway lists FG-0221-ER, FG-0221-EZ, FG-0222-ER etc. in the specification table, with supply options including AC220V; DC12V.

How many digital inputs and monitoring channels does FG Smart Lightning Gateway provide?

Taking FG-0221-ER as the example: — digital inputs, grounding status —, lightning count —, temperature —, leakage — and voltage channels —.

Which communication and output options does FG Smart Lightning Gateway support?

FG-0221-ER supports RS485; choose the interface by the model suffix when connecting to a host system.

How should FG Smart Lightning Gateway be selected?

Fix the channel count by the number of monitored circuits first, then trim by grounding, lightning-count or voltage needs, and confirm the supply and communication suffix last.

What is the boundary of the FG Smart Lightning Gateway specification?

This page lists only the parameters in the specification table; anything outside it, such as ingress protection or mounting, follows the product documentation.