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  2. Industrial Automation & I/O /
  3. Wireless I/O & Sensors /
  4. Wireless I/O Devices: WISE-4000 /
  5. Wi-Fi 2.4GHz/5GHz Wireless I/O Module /

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

WISE-4250-S250

2.4/5GHz Wi-Fi I/O Module with 6DI/2DO/RS-485

  • Equipped with 6 digital inputs and 2 digital outputs 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

Certifications:

Support Links:

Datasheet Technical Downloads
  • 2.4/5GHz Wi-Fi I/O Module with 6DI/2DO/RS-485

Specifications

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
Weight (Net)
  • 180 g
Mounting
  • DIN 35 rail, Wall, Pole
Expansion Function
Antenna
  • 1x SMA hole on the top
Digital Input
Channels
  • 6 (TTL)
Digital Filter
  • 0.1 ms
Isolation Protection
  • 3,000 VDC
Counter/Encoder Input
Max. Input Frequency
  • 3 kHz
Counting Range
  • 32-bit
Digital Output
Channels
  • 2
Output Type
  • Sink
I/O Interface
Serial Ports
  • 1 x RS-485
Protection
Short Circuit Protection
  • Yes

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