RS485 Serial IoT Edge Gateway

RS485 serial IoT Edge Gateway

RS485 Serial IoT Edge Gateway


Our range of IoT Edge Gateways are an IP40 rated, industrial grade devices, supports different serial interfaces like RS232, RS422 and RS485 which makes it suitable for connecting your industrial devices to a cloud server. Thanks to its futuristic edge intelligence capability which enables user to set thresholds or conditions for reporting the events.

Utilizing the public cellular network (4G/2G), this small and robust wireless device allows industrial users to send data over great distances. This edge gateway can function as a Modbus gateway where any Modbus enabled serial device can be easily interfaced with little setups, enabling remote supervision from a central server.

Due to its support for multiple serial protocols, such as ASCII, Modbus RTU, and proprietary protocols, it is ideal for applications such as flow meter reading, remote controlling of PLCs, HMIs, etc. The device also offers a user-friendly interface for quick configuration and monitoring of data.

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Highlights

PreciCloud - Cloud Dashboard

Our cloud platform provides a convenient way to view data from anywhere, integrating predefined widgets for applications like energy meter and flow meter reading. It supports remote device configuration, over-the-air firmware upgrades, and email/SMS notifications based on edge intelligence. User can download the reports in CSV, XLS, PDF..

PreciCon - Configuration Tool

By using our specially designed configurator tool, "PreciCon", it is possible to configure gateway’s serial settings, Modbus registers, event conditions & cloud settings. It also supports upgrading firmware and configuration of the device remotely over the air. This tool includes predefined configuration settings for devices from renowned manufacturers.

Easy Installation

Installation and Commissioning of the device is made easy with very few simple steps. Choose your end device from the list and single click to configure the device. Plug your serial device with standard DB9 connector and rigidly screw the gateway with available flange arrangements. Open the cloud dashboards with credentials. You are ready to monitor !!!

Key Features

  • x1 RS485 serial interface
  • Configurable upload interval
  • IP40 Rated enclosure
  • USB 2.0
  • Real time clock
  • Serial Protocol - Modbus RTU/ASCII
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  • x2 analog inputs
  • LTE connectivity
  • Protocol support
  • M2M Simcard
  • 12V to 24V DC Supply input
  • Cloud Protocol - MQTT/HTTP/HTTPS
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General

Power Supply: 9V to 24V DC

Power consumption: 1.2A Max @12V

PC interface: USB Mini B connector. USB device communication for configuration using PreciCon tool

Indication: Status LEDs for Power, Serial communication, cloud network communication

RS485 Serial Interface

Connection: External interface via pluggable terminal connector

Data bits: 5,6,7,8 bits

Baud Rate: 110, 300, 600, 1200, 2400, 4800, 9600, 14400, 19200, 38400, 57600, 115200, 230400, 460800, 921600 bps

Stop bits: 1, 2 bits

Parity: None, Odd, Even, mark, space

Environmental

Dimension: 105mm X 68mm X 31.5mm (W/O flanges)

Weight: 138 gm

Mechanicals: ABS plastic (IP40)

Operating Temperature: -40 to +85 Degree Celsius

Data Storage

Storage Type: Non-Removable microSD card

Capacity: 8 to 32GByte

Analog Inputs

Number of channels: 2

Range: 4mA to 20mA current input

Resolution: 16-bit

Digital Inputs

Number of channels: 2

Input Switching Threshold: High – Greater than 3V or 1.5V (optional, to be mentioned during ordering), Low – Less than 3V or 1.5V (optional, to be mentioned during ordering)

Voltage input limit: 30V Max

Cellular Connectivity

LTE Category: LTE CAT 1, Support for global coverage including Europe, US, Asia-Pacific, etc (optional, to be mentioned during ordering)

Bands: LTE-FDD: B1/3/5/8, LTE-TDD: B34/38/39/40/41, GSM: B3/8

Antenna: SMA connector for external finger type or expandable antenna

SIM interface: Nano SIM card

Cloud Data Transfer

Log data in industry standard format

Cyclic Logging support – Oldest file will be deleted when storage is full

100% power safe data logging – no file corruption when disconnected

Inbuilt RTC with year, month, date, weekday, hours, minutes and seconds data

RTC can be configured to match local time zone

RTC can be auto-synced via LTE network

Each device has a globally unique ID ensuring unique log file naming

Configuration or firmware Over-The-Air support with digital signature

Periodic heartbeat to cloud for connection supervision

Option for enabling or disabling upload of logged files to cloud

Applications

IoT Edge Gateway for Flow meter reading

Our RS485 serial IoT edge Gateway are fine tunned to support most of the standard flow meters available in market. Most of the flowmeters supports serial interfaces with different protocols such as Modbus RTU/ASCII or proprietary protocols through which live data can be monitored using a cloud server. The instantaneous and totalized flow values can be acquired and displayed in PreciCloud dashboard enabling operators to monitor water usage, detect irregularities, and trigger alarms based on edge intelligence feature. The gateway supports customizable data logging and reporting, allowing operators to generate detailed insights into flow patterns over time. With remote configuration and OTA (Over-the-Air) updates, system administrators can fine-tune parameters, set thresholds, and manage large-scale deployments without requiring on-site intervention.

flow meter

FAQs

An RS485 IoT Edge Gateway is a device that: Connects RS485 devices (meters, sensors, PLCs, controllers) to the cloud. Converts RS485 protocols (like Modbus RTU) into IoT protocols (MQTT, HTTP GET, HTTP POST, etc.). Processes data locally (edge) for filtering, alerts, or control, then sends useful required Registers data to the cloud.