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 2xDigital Input, 2xDigital Output PoE

Model 57637


Current firmware: model 57637(N)
(recognizable by the existing firmware starting from v4.xx / March 2018)
Date Changes and comments Firmware revision
January 8, 2020
  • Timeswitch - changed format in Google Calendar caught

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

4.04
ZIP download
Older firmware: model 57637(N)
(recognizable by the existing firmware starting from v4.xx / March 2018)
Date Changes and comments Firmware revision
March 23, 2018
  • Firmware for the 0 series

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

4.02
ZIP download


Current firmware: model 57637
(recognizable by the existing firmware v3.xx)
Date Changes and comments Firmware revision
August 5, 2020
  • Network handling revised

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

3.77
ZIP download
Older firmware: model 57637
(recognizable by the existing firmware v3.xx)
Date Changes and comments Firmware revision
January 8, 2020
  • Timeswitch - changed format in Google Calendar caught

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

3.75
ZIP download
February 6, 2018
  • Network buffer management revised
  • Time Switch - Cyclical appointment processing optimized
3.69
September 25, 2017
  • Firmware with SSL support in client modes
  • Time Switch: Processing of UTC and local time optimized

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

3.68
ZIP download
February 3, 2017
  • Firmware with SSL support in client modes
  • Time Switch: Optimized reloading of ics files

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

3.62
ZIP download
May 5, 2015
  • Firmware with SSL support in client modes
  • Time Switch: Error handling when ics-files not present optimized

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

3.50
ZIP download
February 25, 2015
  • Firmware with SSL support in client modes
  • Login behavior optimized
  • Timer function only after free licensing
  • Download of online calendars via HTTPS revised
  • Internal memory management newly structured

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

3.48
ZIP download
May 5, 2014
  • Firmware with SSL support in client modes
  • Sending of SSL encrypted e-mails possible
  • Online calendars can be opened via HTTPS
  • UDP network buffer administration optimized
  • Community string for SNMP traps configurable

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

3.47
ZIP download
August 7, 2013
  • Socket interface: Processing of the "allout" command improved
  • Time-Switch: Processing of comma-delimited arguments optimized
  • Time-Switch: Blanks in front of the calendar URL are now ignored
  • SNMP: Setting of Enable flags expanded
3.44
ZIP download
April 23, 2013
  • Optimized processing of requests with transfer encoding: Chunked
  • Time-Switch: load option "no refresh" corrected
  • Time-Switch: Summer time-winter time switching without time server corrected
  • Time-Switch: BYDAY with +/-nWday corrected
  • External clock: Conversion to UTC
  • SMART page: Indexing of user tags corrected
  • HTTP Client: INPUT was also triggered by Pending TCP (fixed)

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

3.42
ZIP download
November 9, 2012
  • Time Switch: Summer/winter time behavior optimized
  • Time-Switch: Exception response for repeating dates optimized
  • Time-Switch: Syntax expansion for Google Calender
  • Indexing of tags on smart page revised

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

3.41
ZIP download
March 27, 2012
  • Time Switch: Summer/winter time behavior optimized


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

3.38
ZIP download
February 3, 2012
  • Time Switch: iCal download with poor internet connection optimized
  • Time Switch: Better support for leap years
  • DHCP: Lease Time renewal prioritized when there are high data loads

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

3.36
ZIP download
12/02/2011
  • Simultaneous loading and processing iCal files optimized
  • Modbus register access for counters corrected

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

3.35
ZIP download
August 18, 2011
  • Memory space for iCal files increased to 32 kB per file
  • Preview for time-based switching revised
  • Send behavior for UDP alarms after link interruption improved
  • Basic initializing on bootup optimized

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

3.32
ZIP download
May 9, 2011
  • Outputs pulse mode: Output can be reset before pulse time expires

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

3.28
ZIP download
April 7, 2011
  • Optimizing of firmware upload in noisy environments
  • TCP alarm messages on local host possible
  • UDP alarm messages on local host possible

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

3.26
ZIP download
February 28, 2011
  • Modbus support introduced

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

3.25
ZIP download
December 23, 2010
  • Tolerance to iCal format variance increased
  • Standard web pages for smartphones integrated
  • Output alarm trigger properties optimized
  • Modbus support introduced (1st beta)

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

3.24
ZIP download
October 13, 2010
  • Boot-up behavior optimized

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

3.22
ZIP download
August 2, 2010
  • Time-Switch: Unscheduled manual switching optimized
  • Box-to-Box: Reconnect from slave side revised

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

3.21
ZIP download
July 30, 2010
  • New function: Timer switch using iCal files

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

3.20
ZIP download
May 25, 2010
  • Mail sending optimized

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

3.18
ZIP download
February 10, 2010 Firmware for the 0 series
3.16