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 NumberWISE-4051-AE
Digital InputChannels8-ch Dry Contact or Wet Contact
Counter Input2Hz (32 bit + 1 bit overflow)
Frequency Input0.1 ~ 2Hz
Inverted DI StatusSupport
Isolation3,000 Vrms
Keep/Discard Counter Value when Power OffSupport
Logic levelDry contact: Logic 0: Open, Logic 1: Close to GND
Serial CommunicationBaud Rate (bps)1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200
Data Bits7, 8
ParityNone, Odd, Even
Protection15 kV ESD
ProtocolModbus/RTU (Total 32 address by max. 8 instruction)
Serial SignalDATA+, DATA-
Stop Bits1, 2
GeneralCertificationsCE, FCC, R&TTE, NCC, SRRC, RoHS
Dimensions (W x H x D)80 x 148 x 25 mm
ProtocolModbus/TCP, TCP/IP, UDP, HTTP, DHCP
ConnectorsPlug-in screw terminal block (I/O and power)
Data LoggerUp to 10000 samples with RTC time stamp
LED IndicatorsStatus, Communication, Network Mode, Quality Serial Tx, Rx
MountingDIN 35 rail, wall, and stack
Real-time ClockYes, with battery backup
Watchdog TimerSystem (1.6 second) & Communication (programmable)
Web ServerRESTful Web API in JSON format, HTML5 Configuration Interface with JavaScript & CSS3
Wireless InterfaceAntenna ConnectorReverse SMA
Frequency Band2.4GHz
IEEE StandardIEEE 802.11b/g/n
Network ModeInfrastructure, Limited AP
Outdoor Range110m (L.O.S.)
SecurityWPA2 Personal & Enterprise
EnvironmentOperating Humidity20 ~ 95% RH (non-condensing)
Operating Temperature-25 ~ 70°C (-13~158°F)
Storage Humidity0 ~ 95% RH (non-condensing)
Storage Temperature-40 ~ 85°C ( -40 ~ 185°F)
PowerInput Range10 ~ 30 VDC
Power Consumption2.2 W @ 24 VDC
ProtectionPower Reversal Protection


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