Home > Products > Solutions > Industrial IoT Products > Communication Server (UA Series) > UA-5200 Series
UA-5231/ UA-5231M/ UA-5231M-3GWA/
/ UA-5231M-4GC
IIoT Communication Server, with 1 Ethernet Port
Model: UA-5231 Model: UA-5231M
~ New ~
Model: UA-5231M-3GWA
Model: UA-5231M-4GE
Model: UA-5231M-4GC
  • OPC UA Server
  • MQTT Client Service
  • MQTT Broker Inside
  • ARM CPU, 1.0 GHz
  • 512 MB RAM and 512 MB Flash
  • Linux kernel 3.2.14 OS
  • Real-Time Capability
  • Support Local Data Logger / Remote Database
  • Support IFTTT Logic Control & APP Notify
  • Support PID Logic Operation
  • 10/100/1000 Mbit/s Ethernet Port
  • 4 Serial Ports (RS-232/RS-485)
  • Operating Temperature Range: -25 ~ +75°C
UA-5200 is a series of IIoT (Industrial IoT) Communication Server for integrating the system and devices of IT and OT. UA features the IIoT Gateway function that allows users to access the remote I/O modules and controllers via Modbus TCP/RTU/ASCII, MQTT, and EtherNet/IP communication protocols. IIoT gateway function can also convert these I/O data to OPC UA or MQTT protocols for the needs of connecting with the MES, ERP, SCADA and Cloud services. Besides, UA features the Data Logger function that allows users to write the I/O data directly into the remote database, and save to the local file as the historical records. UA supports Cloud platform that can connect to Amazon AWS, Microsoft Azure or other Cloud platforms to send over the I/O data; and support Cloud logic service platform "IFTTT" which can connect many web APPs that allows users to receive first-hand notification messages through the most commonly used mobile APPs when an event triggered. UA Series enhances the networking and interoperability between IT and OT. Through UA series, users can easily deploy for Industrial IoT. (For more details...)
Built-in OPC UA Server Service
Built-in MQTT Broker Service
Save I/O Data Directly into Remote Database & Local Side LOG File
Support Logic Control IFTTT To Send Event Messages To LINE, FB... APPs
Support Ethernet and Serial Communication Modules
Provide Function Wizard Web UI for easily step-by-step setup
Support Cloud Platforms Connection
(For more details...)
Model UA-5231 UA-5231M UA-5231M-3GWA UA-5231M-4GE/4GC
System Software
OS Linux Kernel 3.2.14
Embedded Service SFTP server, Web server, SSH
CPU Module
Flash 512 MB
Expansion Flash Memory microSD socket with one 4 GB microSD card (support up to 32 GB microSDHC card)
RTC (Real Time Clock) Provide second, minute, hour, date, day of week, month, year
LED Indicators PWR (Power)/RUN (Running), L1, L2 PWR/RUN, L1, L2, 3G PWR/RUN, L1, L2, 4G
Rotary Switch Yes (0 ~ 9)
Communication Ports
VGA 1 (resolution: 640 × 480, 800 × 600, 1024 × 768, 1280 x 720), reserved
Ethernet RJ-45 x 1, 10/100/1000 Based-TX (Auto-negotiating, Auto MDI/MDI-X, LED indicators)
USB 2.0 (host) 1
Console Port RS-232 (RxD, TxD and GND); Non-isolated
ttyO2 RS-485 (Data+, Data-); Non-isolated
ttyO4 RS-232 (RxD, TxD and GND); Non-isolated
ttyO5 RS-485 (Data+, Data-); 2500 VDC isolated
Dimensions (W x L x H) 91 mm x 132 mm x 52 mm 117 mm x 126 mm x 58 mm
Installation DIN-Rail
Operating Temperature -25 ~ +75°C
Storage Temperature -40 ~ +80°C
Ambient Relative Humidity 10 ~ 90% RH (non-condensing)
Input Range +12 ~ +48 VDC
Consumption 4.8 W 6.5 W
Wireless Communication
3G System - 3GWA: WCDMA 850/900/1900/2100 MHz
4GE: WCDMA 850/900/2100 MHz
4GC: WCDMA 900/2100 MHz,
        TD-SCDMA 1900/2100 MHz,
        CDMA2000 (BC0) 800 MHz
4G System - 4GE: FDD LTE: B1/B3/B5/B7/B8/B20
4GC: FDD LTE: B1/B3/B8 ;
       TDD LTE: B38/B39/B40/B41
UA Series Software Specifications
OPC UA Server
Recommend to keep the maximum number of sessions within 20 connections.
  • OPC Unified Architecture: 1.02
  • Core Server Facet
  • Data Access Server Facet
  • Method Server Facet
  • UA-TCP UA-SC UA Binary
  • User Token User Name Password & X509 Certificate
  • Security Policy
  • ○ None
    ○ Basic128Rsa15
    • Sign
    • Sign & Encrypt
    ○ Basic256
    • Sign
    • Sign & Encrypt
    Modbus Master
    Modbus TCP To read or control the devices that support standard Modbus TCP Slave protocol. Recommend to keep the maximum number of devices within 100 connections.
    Modbus RTU/ASCII A max. of 3 ports: ttyO2, ttyO4, ttyO5 to connect other Modbus RTU Slave devices (e.g., M-7000). Recommend no more than 32 devices per port for better communication quality.
    MQTT Client Connect the MQTT Broker to read/control the devices supporting the MQTT protocol.
    MQTT Service Connect the MQTT Broker to externally read/control the devices supporting other protocols that linking with the UA series.
    MQTT Broker Compliance with MQTT v3.1.1 protocol. Support MQTT message distribution management. Recommend to keep the connection number of Client within 400.
    Scanner Support connect EIP-2000 series modules of ICP DAS. Recommend no more than 50 devices per UA.
    Data Logger
    Local Data Logger Record I/O data, and save to the local MicroSD card in CSV format.
    Remote Database Record I/O data, and send to the remote database of MS SQL, MySQL and MariaDB.
    Recommend to keep only one database connected.
    Cloud Support
    Microsoft Azure MQTT Service can connect to MS Azure IoT Hub.
    Amazon Web Services MQTT Service can connect to AWS IoT Core.
    IFTTT Support Logic event sending to IFTTT.
    Virtual Device
    PID Function Combine the remote I/O devices for the PID logic control system.
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    UA-5231M CR IIoT Communication Server (Metal) (RoHS)
    UA-5231M-3GWA CR IIoT Communication Server (Metal), Support 3G Wireless Communication (RoHS)
    UA-5231M-4GE IIoT Communication Server (Metal), Support 4G Wireless Communication (RoHS)
    Frequency Band for EMEA, Korea, Thailand, India and Taiwan
    UA-5231M-4GC IIoT Communication Server (Metal), Support 4G Wireless Communication (RoHS)
    Frequency Band for China
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