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UA-5231/ UA-5231M/ UA-5231M-3GWA


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Model: UA-5231 Model: UA-5231M Model: UA-5231M-3GWA
  • OPC UA Server and MQTT Client Service
  • MQTT Broker Inside
  • ARM CPU, 1.0 GHz
  • 512 MB MB RAM and 512 MB Flash
  • Linux kernel 3.2.14 OS
  • Real-Time Capability
  • 64-bit Hardware Serial Number for Software Protection
  • Support Redundancy (OPC UA) and PID
  • 10/100/1000 Mbit/s Ethernet Port
  • 4 Serial Ports (RS-232/RS-485)
  • Wide Operating Temperature Range: -25 ~ +75°C

The UA-5200 series is an IIoT communication server (IIoT: Industrial Internet of Things) with the data acquisition and control functions by ICP DAS. It has built-in OPC UA server, MQTT broker and client driver to meet the need to connect to the MES, ERP, SCADA and cloud service. And with the Ethernet, RS-232, RS-485 interfaces and Modbus TCP/RTU/ ASCII protocol, the UA-5200 series can access regular remote I/O modules or controllers that already widely used in the
factory. With the UA-5200 series, it becomes very easy to make things used in the factory connect to MES, ERP, SCADA and cloud.

Applying the OPC UA, the UA-5200 can integrate the I/O products and the third-party devices, import their data to the back-end SCADA management system or the big-data analysis/decision system, to satisfy the reliability, interoperability and security needs of the Industrial 4.0 automation system. Using the MQTT active communications to bridge the Internet of Things (IoT) and transmit the statuses of various devices by the cloud-based interaction so that to meet the
current trend of the IIoT and achieve the full smart automation system based on Industry 4.0.

System Integration Main Architecture
Cloud Integration Architecture
Device Integration Architecture
Solution1 Solution2
Solution3 Solution4
Model UA-5231 UA-5231M UA-5231M-3GWA
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
64-bit Hardware Serial Yes, for Software Copy Protection
Dual Watchdog Timers Yes
LED Indicators 4 LEDs (Power, Running and 2 user defined LEDs)
Rotary Switch Yes (0 ~ 9)
VGA & Communication Ports
VGA & Communication Yes, resolution: 640 × 480, 800 × 600, 1024 × 768, 1280 x 720
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 10 ~ 90% RH (non-condensing)
Input Range +12 ~ +48 VDC
Consumption 4.8 W 6.5 W
GSM System
Frequency Band - GSM: 850/900/1800/1900 MHz
GPRS Connectivity - GPRS class 12/10;
GPRS station class B
Data Transmission - Downlink transfer: Max. 85.6 kbps;
Uplink transfer: Max. 42.8 kbps
3G System
Frequency Band - WCDMA 850/900/1900/2100 MHz
Data Transmission - WCDMA / HSPA+,
Download: Max. 14.4 Mbps;
Upload: Max. 5.76 Mbps
Software Specifications
UA-5200 Series
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
  • Client Redundancy 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-5200 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.
    Virtual Device
    PID Function Combine the remote I/O devices for the PID logic control system.
    UA-5231 CR IIoT Communication Server (RoHS)
    UA-5231M CR IIoT Communication Server (Metal) (RoHS)
    UA-5231M-3GWA CR IIoT Communication Server (Metal), Support 3G Wireless Communication (RoHS)
    DIN-KA52F 24 V/1.04 A, 25 W Power Supply with Din-Rail Mounting
    MDR-20-24 24 V/1 A, 24 W Power Supply with DIN-Rail Mounting
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