Advantech WISE-4250-S251

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Product groups > I/O Modules > Advantech WISE-4250-S251

Advantech WISE-4250-S251

2.4/5GHz Wi-Fi I/O Module with 6DI/RS-485

Advantech WISE-4250-S251
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  • Equipped with 6 digital inputs and 1 RS-485 in a compact, high-density I/O design
  • Supports both dry and wet contact input modes for broad sensor compatibility
  • Fail Safe Value (FSV) ensures outputs default to a safe state during communication loss
  • Supports IEEE 802.11ac (2.4GHz/5GHz) for stable and high-speed wireless connectivity
  • Ensures secure data transmission with WPA3/TLS 1.3 encryption and X.509 certificate authentication
  • Stores 10,000+ data points locally with SNTP/RTC time sync and Watchdog timer auto connection recovery
  • Offers comprehensive protocol support, including MQTT, Modbus/TCP, SNTP, TCP/IP, HTTPS, RESTful, UDP, and DHCP

The WISE-4250 series is a wireless IoT solution designed for industrial applications. This Ethernet-based device is compatible with various I/O and sensors and integrates data acquisition, processing, and publishing functions. It supports real-time P2P communication between devices, enabling edge intelligence without a central controller, making it ideal for applications requiring rapid response and distributed control. Furthermore, a watchdog timer and smart roaming ensure stable device operation in any environment. The WISE- 4250 also prioritizes data security, with a data logger, data recovery function, WPA3/TLS1.3 encryption, and IP whitelisting to prevent data loss and unauthorized access. Best of all, it supports MQTT, Modbus, and RESTful APIs, enabling you to easily publish data to various cloud platforms for data-driven decision-making.



General Specifications

  • WLAN Standard
    IEEE 802.11a/b/g/n/ac

  • Modulation
    802.11b : CCK(11, 5.5Mbps), DQPSK(2Mbps), BPSK(1Mbps)
    802.11a/g/n/ac : OFDM

  • Transmit Power 2.4 GHz
    802.11b: 16.0 dBm ±2dBm
    802.11g: 14.0 dBm ±2dBm
    802.11n: 12.0 dBm ±2dBm
    5 GHz
    802.11a: 13.0 dBm ±2dBm
    802.11n: 10.0 dBm ±2dBm
    802.11ac: 8.0 dBm ±2dBm

  • Wireless Security
    X.509 (TLS1.2/1.3), WPA2/WPA3 Personal and Enterprise

  • Antenna Connector: RP-SMA
    Gain (Peak): 2.4G 3.64 dBi / 5G 5.65 dBi

  • Connectors
    Plug-in-and-play I/O and sensor modules

  • Watchdog Timer
    System (1.6 second) and Communication (programmable)

  • Certification
    CE, FCC, IC, TELEC, NBTC

  • Dimensions (W x H x D)
    70 x 102 x 38 mm

  • Enclosure
    PC

  • Mounting
    DIN 35 rail, wall, stack, and pole

  • Power Input
    10 ~ 50 VDC

  • Power Consumption
    1.6W @ 24 VDC

  • RTC Accuracy
    ±2 second/day

  • Cloud
    Dropbox, WebAccess, iSensing MQTT, IFTTT, Azure, AWS, Azure MQTT, Line messaging API

  • Reliability Test
    IEC60068-2-64 Vibration broadband random test
    Package Drop Test

  • Support wireless P2P (Peer to Peer) with AES-128 encryption and UDP protocol

  • Support MQTT data recovery function

  • Support smart roaming function and 802.11k/v/r

  • Supports User Defined Modbus Address

  • Power Reversal Protection

  • Supports Data Log
    10000+ samples with SNTP/RTC sync time stamp

  • Supported Protocols
    Modbus/TCP, TCP/IP, SNMP V2, SNTP, UDP, DHCP, HTTP(S), and MQTT

  • Supports RESTful API Client/Server in JSON format

  • Supports Web Server in HTML5 with JavaScript & CSS3

  • Supports System Configuration Backup and User Access Control




    • Environment

  • Operating Temperature
    -25 ~ 70°C (-13~158°F)

  • Storage Temperature
    -40 ~ 85°C (-40~185°F)

  • Operating Humidity
    10 ~ 85% RH (non-condensing)

  • Storage Humidity
    0 ~ 60% RH (non-condensing)




    • Specifications WISE-4250-S251



    Wireless Communication

      Standard (Technology)
      WIFI

      Frequency Band
      IEEE 802.11 a/b/g/n/ac 2.4/5 (GHz)



    Hardware

      Certification
      CE, FCC, RoHS, TELEC, NBTC

      Watchdog Timer
      1.6 s

      LED Indicators
      Status, Line-power, Wireless Com, Initial/Normal, Signal Strength

      Power Consumption
      1.2 W @ 24 VDC



    Environment

      Operating Temperature
      -25~70 °C (-13~158 °F)

      Relative Humidity
      20~95% RH (non-condensing)

      Vibration Protection
      2 Grms, random

      Storage Temperature
      -40~85 °C (-40~185 °F)

      Storage Humidity
      0~95% RH (non-condensing)

      Isolation Voltage
      3,000 VDC



    Power Requirements

      Input Voltage
      10~50 VDC



    Mechanical

      Mounting
      DIN 35 rail, Wall, Pole



    Expansion Function

      Antenna
      1x SMA hole on the top



    Digital Input

      Channels
      6 (TTL)

      Input Voltage
      Dry Contact
      Logic level 0: open
      Logic level 1: close to Iso.GND

      Digital Filter
      0.1 ms



    Counter/Encoder Input

      Max. Input Frequency
      3 kHz

      Counting Range
      32-bit



    I/O Interface

      Serial Ports
      1 x RS-485



    Protection

      Short Circuit Protection
      Yes




    Ordering Information



    Wi-Fi 2.4/5GHz Wireless I/O Module

    WISE-4250-A Wi-Fi 5 (2.4/5 GHz) Wireless I/O Module
    WISE-4250-S232 WISE-4250 with Temperature & Humidity Sensor
    WISE-4250-S214 WISE-4250 with 4AI+4DI
    WISE-4250-S250 WISE-4250 with 6DI+2DO+RS-485
    WISE-4250-S251 WISE-4250 with 6DI+RS-485
    WISE-4250-S252 WISE-4250 with 12DI+12DO



    I/O board Analog Input Digital Input Digital Output RS-485 Temperatur &Humidity sensor
    WISE-5214-A 4
    (Current/Voltage)     		4
    (Dry Contact)     		     
    WISE-5250-A   6
    (Dry Contact)     		2
    (Sink Type)     		1  
    WISE-5251-A   6
    (Dry Contact)     		12
    (Sink Type)     		1  
    WISE-5252-A   12
    (Dry/Wet Contact)     		     
    WISE-5232-A         ✔




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    BB-RPS-V2-WR2-US Power Supply, 12V/1A, US plug
    BB-RPS-V2-WR2-EU Power Supply, 12V/1A, EU plug
    BB-RPS-V2-WR2-UK Power Supply, 12V/1A, UK plug
    1750008767-01 Magnetic Antenna Extend Cable Base 150cm
    EKI-6333AC-2G IEEE 802.11 a/b/g/n/ac Concurrent Dual-Band Wi-Fi AP/Client
    WISES2142401-T Wet Contact 4AI/4DI I/O Module



    *WISE-4250 doesn't needs to order antenna separately


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