8-ch Digital Input IoT Wireless I/O Module with RS-485 Port
  • 8-ch digital input with 1-port RS-485 for Modbus devices
  • 2.4GHz Wi-Fi reducing the wiring cost during big data acquisition
  • Easily extend the existing network by adding APs, and share existing Ethernet software
  • Configured by mobile devices directly without installing any software or Apps
  • Zero data loss using the log function with RTC time stamp
  • Data can be automatically pushed to Dropbox or computer
  • Supports RESTful web API in JSON format for IoT integration
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The WISE-4000 series is an Ethernet-based wireless IoT device, integrated with IoT data acquisition, processing, and publishing functions. As well as various I/O types, the WISE-4000 series provides data pre-scaling, data logic, and data logger functions. These data can be accessed via mobile devices and be published to the cloud with security at anytime and anywhere.


Part Number WISE-4051-AE
Digital Input Channels 8-ch Dry Contact or Wet Contact
Counter Input 2Hz (32 bit + 1 bit overflow)
Frequency Input 0.1 ~ 2Hz
Inverted DI Status Support
Isolation 3,000 Vrms
Keep/Discard Counter Value when Power Off Support
Logic level Dry contact: Logic 0: Open, Logic 1: Close to GND
Serial Communication Baud Rate (bps) 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200
Data Bits 7, 8
Parity None, Odd, Even
Ports 1
Protection 15 kV ESD
Protocol Modbus/RTU (Total 32 address by max. 8 instruction)
Serial Signal DATA+, DATA-
Stop Bits 1, 2
Type RS-232
General Certifications CE, FCC, R&TTE, NCC, SRRC, RoHS
Dimensions (W x H x D) 80 x 148 x 25 mm
Protocol Modbus/TCP, TCP/IP, UDP, HTTP, DHCP
Connectors Plug-in screw terminal block (I/O and power)
Data Logger Up to 10000 samples with RTC time stamp
Enclosure PC
LED Indicators Status, Communication, Network Mode, Quality Serial Tx, Rx
Mounting DIN 35 rail, wall, and stack
Real-time Clock Yes, with battery backup
Watchdog Timer System (1.6 second) & Communication (programmable)
Web Server RESTful Web API in JSON format, HTML5 Configuration Interface with JavaScript & CSS3
Wireless Interface Antenna Connector Reverse SMA
Frequency Band 2.4GHz
IEEE Standard IEEE 802.11b/g/n
Network Mode Infrastructure, Limited AP
Outdoor Range 110m (L.O.S.)
Security WPA2 Personal & Enterprise
Environment Operating Humidity 20 ~ 95% RH (non-condensing)
Operating Temperature -25 ~ 70°C (-13~158°F)
Storage Humidity 0 ~ 95% RH (non-condensing)
Storage Temperature -40 ~ 85°C ( -40 ~ 185°F)
Power Input Range 10 ~ 30 VDC
Power Consumption 2.2 W @ 24 VDC
Protection Power Reversal Protection