Advantech WISE-4250-S214
2.4/5GHz Wi-Fi I/O Module with 4AI/4DI



- Integrates 4 analog inputs (AI) and 4 digital inputs (DI) in a compact design
- Analog Inputs support Burn-out Detection (4~20mA only) to prevent system failures and unplanned downtime
- Digital inputs support High/Low value alarms, Latch, and Momentary Alarm modes for flexible event monitoring
- Supports 3kHz high-speed counter input (32-bit with 1-bit overflow) on digital input channels
- Complies with IEEE 802.11ac (2.4GHz/5GHz) dual-band Wi-Fi for stable and high-speed wireless communication
- Ensures secure data communication with WPA3/TLS 1.3 encryption and X.509 certificate authentication
- Enables seamless cloud integration via MQTT and RESTful APIs, supporting direct data uploads to AWS, Azure, SCADA, and WebAccess platforms
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)
WISE-4250-S214 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)
160 g
Mounting
DIN 35 rail, Wall, Pole
Expansion Function
- Antenna
1x SMA hole on the top
Analog Input
- Channels
4
Input Range
±0.15V, ±0.5V , ±1V, ±5V, ±10V, ±20 mA, 0~20 mA, 4~20 mA
Sampling Rates(S/s)
10 Hz (sum)
Burn-out Detection
Yes (4~20 mA only)*
Resolution(Bits)
16-bit
Counter/Encoder Input
- Channels
4
Counting Range
32-bit
Max. Input Frequency
200 Hz
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