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
Firmware:

Web-IO 4.0
230V Relay 4xNO, 4xCO

Model 57838


Current firmware
Date Changes and comments Firmware revision
March 5, 2020
  • Actions - Cold start as trigger possible again
  • Actions - Warm start as trigger possible again
  • SNMP - Indexing problem for actions corrected
  • MQTT - SSL transmission and Client-ID introduced

Reverting to firmware revisions lower than V1.36 is no longer possible after this update!

After the update a restart (simple reset) of the Web-IO is required

To load this firmware, WuTility must be used in the newest version included!

1.39
ZIP download
Older firmware
Date Changes and comments Firmware revision
January 7, 2020
  • Actions - Digist authentication for HTTP(S) requests revised
  • Inputs/Outputs - Filter and pulse settings adapted for new hardware drivers
1.38
December 12, 2019
  • Downgrade block - JSON enable included
  • MQTT - Last Will connection topic revised
  • SNMP - private authentication revised
  • Date/time - weekday calculation revised
  • Homepage - Action tiles expanded
  • Config Up/Down Load - processing accelerated (no more timeout)
1.37
December 2, 2019
  • SNMP - Time compensation for SNMPv3 corrected
  • Pulse mode - Dependencies when resetting adjusted
  • REST - Greater tolerance for upper/lower case in HTTP header fields
  • Actions - Number of possible actions increased to 30
  • Actions - For HTTP(S) requests W&T placeholders are accepted
  • Actions - For HTTP(S) requests greater tolerance for upper/lower case in HTTP header fields
  • User page - Problems in representing W&T tags fixed
  • Memory management - used address space expanded
1.36
August 1, 2019
  • SNMP - Support of downward compatible OIDs improved
  • SNMP - Support up to SNMPv3
  • Configuration_Upload - Timeout behavior optimized
  • Version query expanded
  • MQTT - Ping timeout corrected
  • Device registration at W&T possible
1.35
June 15, 2018
  • Firmware for pre-production version
1.32