Due to maintenance work, W&T will be closed on 19.04.2024!

You can reach our technical hotline at:
+49 202/2680-110 or under the emergency number: +49 179/4317651

On Monday 22.04.2024 we will be available as usual.

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/Out 2x 0/4..20mA PoE

Model 57661

Current firmware
Date Changes and comments Revision
July 8, 2020
  • Encrypted cloud transmission for maintaining function using enhanced security standards (TLS1.2), which this hardware does not support, are turned off.
 1.92
ZIP download
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Older firmware
Date Changes and comments Revision
July 7, 2017
  • Error in cloud access fixed
 1.90
on request
September 15, 2016
  • Initialization problem at device restart/reset fixed
 1.89
on request
September 25, 2014
  • New: Functionality for sending measurement values to the W&T cloud added
  • Fixed: Delay Time for alarms was incorrectly calculated
  • Fixed: Output error in CSV export for partially turned off channels
  • Current configuration settings added to MIB
 1.86
on request
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
 1.83
on request
February 17, 2014
  • New: Encrypted e-mail sending using SSL/TLS
 1.81
on request
September 27, 2013
  • Coding in XML configuration optimized
  • Problems with HTML requests with transfer encoding: Chunked fixed
  • smart.htm page as download integrated
  • Problems with daylight savings time in the southern hemisphere fixed
  • HTML header parsing optimized
 1.79
on request
August 31, 2012
  • Error in FTP function eliminated
  • Error in device start eliminated (Web page was not displayed)
 1.77
on request
June 20, 2012
  • New: Command line parameter for start and stop time of the CSV download
  • New: Error output on the diagnostics side with time stamp
 1.76
on request
February 29, 2012
  • Error on internal data sheet corrected
 1.75
on request
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
 1.74
on request
May 30, 2011
  • Problems in memory routine resolved
 1.73
on request
May 17, 2011
  • Corrections in Java applet
  • Correction in Excel output with user-specific data
 1.72
on request
April 20, 2011
  • Log on problem in Socket Device mode eliminated
  • Problem with alarm sending to local host eliminated
  • New: New binary structure AnalogSingleRegister for setting a single channel added
  • New: Activation of a TCP keep-alive timer added
 1.71
on request
March 22, 2011
  • New: When using FTP within the report function the stored data can be automatically resent after a power failure.
  • New: A TCP alarm can be sent on "localhost" "127.0.0.1’ or your own IP address, for example to switch the second port based on the first
 1.70
on request
February 11, 2011
  • New: Ability to register devices (WuTility 3.85 and higher)
  • DNS polling now also via TCP and UDP
  • Factory Default Reset via jumpers optimized
 1.69
on request
February 8, 2011
  • New: Modbus-TCP
  • Correction: Connection remains open during TCP access
 1.68
on request
December 13, 2010
  • New: Alarm for interrupted Box-To-Box connection enabled.
  • New: Special browser page for smartphones added.
 1.66
on request
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