← Wireless I/O Devices: WISE-4000

WISE-4250-S250
2.4/5GHz Wi-Fi I/O Module with 6DI/2DO/RS-485
Key Features
- 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
Detailed Specifications
| Wireless Communication — Standard (Technology) | WIFI |
| Wireless Communication — Frequency Band | IEEE 802.11 a/b/g/n/ac 2.4/5 (GHz) |
| Hardware — Certification | CE, FCC, RoHS, TELEC, NBTC |
| Hardware — Watchdog Timer | 1.6 s |
| Hardware — LED Indicators | Status, Line-power, Wireless Com, Initial/Normal, Signal Strength |
| Hardware — Power Consumption | 1.2 W @ 24 VDC |
| Environment — Operating Temperature | -25~70 °C (-13~158 °F) |
| Environment — Relative Humidity | 20~95% RH (non-condensing) |
| Environment — Vibration Protection | 2 Grms, random |
| Environment — Storage Temperature | -40~85 °C (-40~185 °F) |
| Environment — Storage Humidity | 0~95% RH (non-condensing) |
| Environment — Isolation Voltage | 3,000 VDC |
| Power Requirements — Input Voltage | 10~50 VDC |
| Mechanical — Weight (Net) | 180 g |
| Mechanical — Mounting | DIN 35 rail, Wall, Pole |
| Expansion Function — Antenna | 1x SMA hole on the top |
| Digital Input — Channels | 6 (TTL) |
| Digital Input — Digital Filter | 0.1 ms |
| Counter/Encoder Input — Max. Input Frequency | 3 kHz |
| Counter/Encoder Input — Counting Range | 32-bit |
| Digital Input — Isolation Protection | 3,000 VDC |
| Digital Output — Channels | 2 |
| Digital Output — Output Type | Sink |
| I/O Interface — Serial Ports | 1 x RS-485 |
| Protection — Short Circuit Protection | Yes |
