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 Analog-In 0..20mA / 0..10V

Model 57641

Current firmware
Date Changes and comments Revision
July 10, 2017
  • Error in cloud access fixed
Please verify that the device has Version 1.60 before updating!
 1.90
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Older firmware
Date Changes and comments Revision
September 24, 2014
  • New: Functionality for sending measurement values to the W&T cloud added
Please verify that the device has Version 1.60 before updating!
 1.86
auf Anfrage
April 16, 2014
  • SSL/TLS transmission stabilised
  • User login blocked/waits for the end of the encrypted transmission
  • System performance increased browser access accelerated
  • Error corrections made to the graphical value display
  • Display of the units in port settings corrected
  • New: Encrypted e-mail sending using SSL/TLS
  • New: Bi-language firmware: German/English selectable
Please verify that the device has Version 1.60 before updating!
 1.83
auf Anfrage
February 17, 2014
  • Password entry for language selection added
  • New: Encrypted e-mail sending using SSL/TLS
  • New: Bi-language firmware: German/English selectable
The firmware 1.80 requires WuTility v.3.82 or higher for loading into devices!
Please verify that the device has Version 1.60 before updating!
 1.81
auf Anfrage
February 12, 2014
  • New: Encrypted e-mail sending using SSL/TLS
  • New: Bi-language firmware: German/English selectable
  • Problems with representing negative values in the graphical display fixed.
Before updating to V1.80 all passwords must be deleted from the device so that login is possible after the update. You can reassign them after the update.
The firmware 1.80 requires WuTility v.3.82 or higher for loading into devices!
Please verify that the device has Version 1.60 before updating!
 1.80
auf Anfrage
September 3, 2012
  • Error in Java applet eliminated
  • Problems with device start with full data logger eliminated
  • Problem eliminated: Output of empty files for FTP alarm
  • Multiple DNS resolution for mail revised
  • New: Error output on the diagnostics page with time stamp
The firmware 1.75 requires WuTility v.3.82 or higher for loading into devices!
Please verify that the device has Version 1.60 before updating!
 1.77
auf Anfrage
February 29, 2012
  • Error on internal data sheet corrected
 1.75
auf Anfrage
June 29, 2011
  • Corrections in test alarm for timer triggered alarms
  • Mail: Authentication for ESMTP: larger line buffer
  • Mail: Logon for long server names failed
 1.73
auf Anfrage
May 17, 2011
  • Corrections in Java applet
  • Corrections in time-synchronous output for timer trigger
  • Correction in Excel output with user-specific data
 1.72
auf Anfrage
February 11, 2011
  • New: Ability to register devices (WuTility 3.85 and higher)
  • DNS polling now also via TCP and UDP
 1.69
auf Anfrage
November 19, 2010
  • SMART page implemented.
  • Registration flag introduced.
 1.67
auf Anfrage
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