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RS485 to 4G Converter | 128 Devices Modbus RTU 4G Gateway for Remote Meter Reading

RS485 to 4G Converter for Remote Meter Communication

The J119026 RS485 to 4G Converter is an industrial communication gateway designed to connect traditional RS485 devices with modern 4G cloud-based monitoring systems.

By using RS485 communication for downstream devices and 4G wireless communication for upstream data transmission, the converter enables remote meter reading, centralized monitoring, and parameter management without replacing existing RS485 energy meters.

The gateway is compatible with most RS485-based devices and supports various Modbus RTU communication applications. 

One J119026 converter can connect up to 128 RS485 devices, providing an efficient and cost-effective solution for large-scale smart meter networking, energy management systems, and industrial IoT applications.

Product Introduction

RS485 to 4G Converter for Remote Meter Communication

The J119026 RS485 to 4G Converter is an industrial communication gateway designed to connect traditional RS485 devices with modern 4G cloud-based monitoring systems.

By using RS485 communication for downstream devices and 4G wireless communication for upstream data transmission, the converter enables remote meter reading, centralized monitoring, and parameter management without replacing existing RS485 energy meters.

The gateway is compatible with most RS485-based devices and supports various Modbus RTU communication applications. One J119026 converter can connect up to 128 RS485 devices, providing an efficient and cost-effective solution for large-scale smart meter networking, energy management systems, and industrial IoT applications.


Product Features & Advantages

1. RS485 to 4G Wireless Communication

The J119026 converts traditional RS485 communication into 4G wireless communication, allowing RS485 meters and devices to connect directly with remote servers, cloud platforms, and monitoring systems.

  • Downlink: RS485 communication with meters and devices

  • Uplink: 4G communication with servers or cloud platforms

  • Enables remote data collection and centralized management


2. Supports Up to 128 RS485 Devices

A single converter can connect multiple RS485 devices, reducing installation costs and simplifying system deployment.

  • Supports up to 128 RS485 meters

  • Suitable for multi-meter monitoring systems

  • Ideal for commercial buildings, industrial facilities, and energy management projects


3. Compatible with RS485 Modbus Devices

The converter is designed for flexible integration with different RS485 devices.

It can communicate with various RS485 meters and equipment based on Modbus RTU communication, including:

  • Smart electricity meters

  • Energy meters

  • Power monitoring devices

  • Industrial measurement equipment

  • Automation controllers


4. Remote Meter Reading Through 4G Network

The J119026 allows users to remotely collect meter data through a 4G network without requiring local communication wiring.

It supports:

  • Remote data acquisition

  • Centralized energy monitoring

  • Cloud platform integration

  • Long-distance communication


5. Flexible Communication Parameter Configuration

The RS485 communication parameters can be adjusted according to different project requirements.

Supported baud rates:

4800 / 9600 / 19200 / 38400 / 57600 / 115200 bps

Default communication setting:

115200 / NONE / 8 / 1


6. Remote Firmware Upgrade Function

When new functions or software improvements are required, the converter supports remote firmware upgrades through the network.

No need to remove the device from the installation site, reducing maintenance costs and improving system reliability.


7. Remote Parameter Configuration

The converter supports reading and configuring important communication parameters, including:

  • Modbus ID

  • Device address

  • RS485 communication parameters

  • Server IP address

  • Server port

  • Domain name settings

Configuration can be completed remotely through RS485 communication.


8. Reliable Data Reporting & Heartbeat Function

The device supports automatic data reporting and heartbeat monitoring to maintain stable communication with cloud platforms.

  • Default data reporting interval: 180 seconds

  • Heartbeat interval adjustable from 30s to 3600s

  • Ensures stable connection between field devices and cloud servers


Application Scenarios

Smart Energy Meter Remote Monitoring

The J119026 provides a simple upgrade solution for existing RS485 energy meter systems. Traditional meters can be connected to cloud platforms through 4G communication without replacing installed equipment.

Applications include:

  • Electricity consumption monitoring

  • Remote meter reading

  • Energy management systems

  • Power distribution monitoring


Commercial Buildings & Smart Buildings

For buildings equipped with multiple RS485 meters, the converter enables centralized energy monitoring through a cloud platform.

Suitable for:

  • Office buildings

  • Shopping malls

  • Hotels

  • Residential communities


Industrial Energy Management

Factories and industrial sites can use the converter to collect data from multiple RS485 devices and transmit information to remote management platforms.

Applications:

  • Factory energy monitoring

  • Equipment management

  • Industrial IoT systems


EV Charging Infrastructure

The converter can be used in EV charging stations where multiple RS485 meters or monitoring devices need remote communication.

Applications:

  • Charging station energy monitoring

  • Charging operation management

  • Remote electricity data collection


Solar PV & Renewable Energy Systems

The J119026 can connect RS485-based meters in solar power systems and transmit generation and consumption data to cloud platforms.

Applications:

  • Solar PV monitoring

  • Energy storage systems

  • Renewable energy management


Technical Specifications

ParameterDescription
Product ModelJ119026
Communication TypeRS485 to 4G
Downlink CommunicationRS485
Uplink Communication4G
Supported DevicesUp to 128 RS485 devices
Communication ProtocolRS485 Modbus RTU compatible
Data Acquisition MethodActive reading
Baud Rate4800 / 9600 / 19200 / 38400 / 57600 / 115200bps
Default RS485 Setting115200 / NONE / 8 / 1
Data Reporting IntervalDefault 180 seconds
Heartbeat Interval30s ~ 3600s configurable
Remote UpgradeSupported
Parameter ConfigurationRS485 configuration
Server ConfigurationIP / Port / Domain Name
ApplicationSmart meters, IoT devices, industrial equipment


Why Choose J119026 RS485 to 4G Converter?

The J119026 provides an efficient communication upgrade solution for existing RS485 devices. Instead of replacing traditional meters or installing new communication infrastructure, users can easily connect existing RS485 equipment to modern 4G cloud platforms.

With support for up to 128 devices, flexible Modbus communication, remote configuration, and OTA upgrades, it is an ideal gateway solution for smart energy monitoring, industrial IoT, and remote meter reading applications.


FAQ

Q1: What devices can work with the J119026 RS485 to 4G Converter?

The converter can work with most RS485 devices that support compatible communication protocols, especially RS485 Modbus RTU meters and monitoring equipment.


Q2: How many RS485 meters can one converter connect?

One J119026 converter can support up to 128 RS485 devices depending on communication conditions and system configuration.


Q3: Can existing RS485 meters be upgraded to remote monitoring?

Yes. The J119026 allows existing RS485 meters to connect with cloud platforms through 4G communication without replacing the meters.


Q4: Does the converter support remote firmware upgrades?

Yes. The device supports remote upgrades, allowing future software improvements without onsite maintenance.


Q5: What is the difference between RS485 and 4G communication?

RS485 is mainly used for short-distance local communication between devices, while 4G enables long-distance wireless communication with servers and cloud platforms. The J119026 combines both technologies for remote monitoring solutions.


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