Send data of the devices conneccted to Modbus RTU, Modbus ASCII, and Modbus TCP to MQTT server based on defined scheduled time. And record these data to SD card based on definable interval of time.

Support Modbus TCP to Modbus RTU/ASCII
Support 32 Topics, data length adjustable
Data from Modbus RTU/ASCII port 1 & 2 as topics
Data from 4 remote Modbus TCP socket connections as topics
Easy MQTT settings by web Browser configuration
Easy installation with Windows IP utility
Online Firmware upgrade

MQTT demo data of Temperature and Humidity

Modbus Digital I/O Analog Input to MQTT

Modbus to MQTT Topics Setup
Up to 32 Topics can be defined

Modbus devices’ data to MQTT server wirelessly over LoRa

Setup over Web Browser

System Information

WiFi modes

WiFi Access Point mode

WiFi Infrastructure mode

WiFi Disabled

Serial Parameters Setup

MQTT Server Setup

Modbus to MQTT Topics Setup

Data Logger Setup
Real-Time Data Review

Download historical data from SD card

MQTT Subscriber
For control devices connected to Serial port 1~2 and TCP socket 1~4

System	CPU : MT7688AN MIPS CPU, 580 MHz RAM : 128M Bytes DDR2 RAM ROM : 32M Bytes Flash ROM OS : OpenWRT Linux OS
Ethernet	Port Type : RJ-45 Connector Speed : 10 /100 Mbps  ( Auto Detecting ) Protocol : ARP, IP, ICMP, UDP, TCP, HTTP, DHCP, Protocol : DNS, NTP Mode : TCP Server / TCP Client / UDP Setup : HTTP Browser Setup ( IE , Netscape), Console Security : Setup Password Protection : Built-in 1.5KV Magnetic Isolation
WiFi	Standard : 802.11b/g/n Data Rate : 11/54/72.2 Mbps @ 20Mhz Band Width Modulation : DSSS ; OFDM Frequency : 2.4GHz Tx Power 11b : Max. 22dBm Tx Power 11g/n : Max. 19dBm Rx Sensitivity : -76dBm@54Mbps; -89.5dBm@11Mbps Tx Rate : Max. 54Mbps with auto fallback Tx Distance : Up to 100m Security : WEP 64-bit / 128-bit data encryption, WPA / WPA2 Antenna : 2 dBi ; RP-SMA connector Network Mode : Infrastructure; Soft AP ( for Setup ) Mode : TCP Server/ TCP Client/ UDP/ Virtual Com/ Pairing Setup : HTTP Browser Setup ( IE, Chrome, Firefox ) Security : Login Password
Serial Ports	2 x RS232/422/485 ( RS422/485 Surge Protect ) Speed : 300 bps ~ 921.6 K bps Parity : None , Odd , Even Data Bit : 5 , 6 , 7 , 8 Stop Bit : 1 , 2 RS-232 Pins : Rx , Tx , GND RS-422 : Rx+ , Rx- , Tx+ , Tx- ( Surge Protect ) RS-485 : Data+ , Data- ( Surge Protect ) 15KV ESD for all signals
Operating Temperature	-20 °C ~ 70 °C
Storage Temperature	-25 °C ~ 80 °C
Dimensions	121.7 x 104.9 x 35 mm ( W x D x H )
Weight	150 ± 5 g
Enclosure	Metal
Power	DC 9~32V, 200mA@12V, support DC Jack & Terminal Input
PoE	Power over Ethernet 802.3 af (optional )
LED Indicator	SYS, WiFi, RX, TX, LAN
Watch Dog Function	Yes
Warranty	1 year

Modbus MQTT Model Comparison

Item	Description
DIN1E3S	DIN Rail Mounting Kit ( 1 ear + 3 screws)