W&T connects
Interfaces for TCP/IP, Ethernet, RS-232, RS-485, USB, 20mA, glass and plastic fiber optic cable, http, SNMP, OPC, Modbus TCP, I/O digital, I/O analog, ISA, PCI
Data sheet:

Web-IO Analog-In/Out 2x 0..10V PoE

  • Analog-Out 0..20mA

Measure, tunnel, output analog signals...

The combined solution for analog in- or output signals brings your measurements into the network and back to the terminal. Use the Web-IO Analog-In/Out to measure analog signals, tunnel them over the network and output them again as analog signals at a remote location.


Analog connection:

  • Two channels, selectably configurable as:

    • Voltage input:
      • Input signal: 0..10V, 1MOhm
    • Voltage output:
      • Output signal: 0..10V, Imax 15mA


  • Monitor analog measurements and processes from a browser
  • Alarm and reporting function:
    • E-mail for alarm or reporting functions
    • SNMP polling / alarm traps
    • Up to 8 alarm messages can be configured
  • Box2Box mode tunnels analog signals between two devices
  • Set analog values via socket command, direct entry or slider

    Illustration, Web-IO Analog Out Slider
  • Interactive display, custom scalable
  • Dynamic integration into other Web sites:
  • Direct access to current measurement values via AJAX, JavaScript and Java applet
  • Additional software interfaces for incorporating into your systems/databases:
    • OPC server
    • Syslog
    • Sensobase (database integration via ODBC)
    • TCP and UDP sockets, client and server
    • FTP (data logging)
    • Modbus TCP
  • Possible applications:
    • Connect each sensor with 0..10V output and monitor measurements
    • Control analog actuators over the network
    • Network as extension: tunnel analog values via Box2Box mode
    • Direct display of multiple measuring points in the browser via Java applet
    • Logging of measurements via FTP, Excel file, email attachment and internal memory

Data logger:

  • Internal data logger
    • Memory capacity: min. 150 days, max. 99 years
    • Save frequency: 15s, 30s, 1m, 5m, 15m, 60m
  • Document measurement data online in the W&T Cloud and access from anywhere in the world
  • Internal clock
    • Time synchronization via time server calibration
    • Battery-backed device clock

Standards & more

  • Supply voltage via Power-over-Ethernet (PoE)
    • Phantom power using data pairs
    • Power over unused wire pairs
    • External power supply is an alternative
  • Conforms to standards both in office and industrial environments:
    • High noise resistance per EN 61000-6-2
    • Low noise emission per EN 55032:2015 + A1 Cl. B, EN 61000-3-2 & EN 61000-3-3
  • 5 year guarantee

Technical data

Connections and displays:

  • Voltage input:
    • 0..10V, 1MOhm
  • Voltage output:
    • 0..10V, Imax 15mA
  • Network:
  • Galvanic isolation:
    • Measurement inputs to network: min. 500V
  • Power supply:
    • Power-over-Ethernet (PoE) or via screw terminal with
    • DC 18V .. 48V (+/-10%)
  • Current consumption:
    • typ. 100mA @24VDC, 60mA @48VDC
    • max. 120mA @24VDC, 70mA @48VDC
    • PoE Class 1 (0.44 - 3.84W)
  • Displays:
    • 1 LED Power
    • 2 LEDs network status
    • 4 LEDs Status and Error

Measuring unit:

  • Resolution:
    • Voltage input: 1.25mV
  • Measuring error:
    • max. 0.5% FSR (Full Scale Range 0..10V) TA = 0-60°C
  • Storage frequency:
    • 15, 30 sec., 1, 5, 15, 60 min
  • Memory depth:
    • min. 150 days, max. 99 years
  • Deviation of the internal clock:
    • max. 4.32 min. / month (without time server calibration)
    • max. 3 sec. (with time server calibration)
  • Measurement value acquisition (can be polled over the network and can generate alarms if desired):
    • 2/second

Housing and other data:

  • Housing:
    • Plastic compact housing for top-hat rail mount
    • 105x22x75mm (LxWxH)
  • Enclosure rating:
    • IP20
  • Ambient storage temperature:
    • -40..+70°C
  • Ambient operating temperature:
    • 0 .. +60°C
  • Scope of delivery:
    • 1x Web-IO Analog-In/Out 2x 0..10V PoE
    • for DIN rail mount
    • 1x product CD with
    • WuTility management tool, OPC server,
    • programming examples for VB/Delphi, SNMP-MIB,
    • reference manual in German/English