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-Thermo-Hygrometer ++

Model 57729


Current firmware
Date Changes and comments Revision
March 2, 2022
  • New: Configurable NodeIDs for OPC-UA
  • MQTT: Retain flags revised
1.55
ZIP download
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Older firmware
Date Changes and comments Revision
January 20, 2022
  • HTTPS - Chunked transfer revised
  • SSL/TLS - Certificate upload now possible again
  • DHCP - IP assignment with DHCP relays adapted
  • Boot sector - Emergency access when firmware update is interrupted now revised
1.54
ZIP download
December 16, 2021
  • Security updates: DHCP, DNS and ICMP services revised
  • Error in SNMP output corrected
  • Erroneous output in MQTT corrected
1.53
ZIP download
August 5, 2021
  • Problem fixed: Wrong time stamp was entered for the first value in the data logger.
1.51
ZIP download
June 22, 2021
  • Problems in SNMPv2/3 MIB tree fixed
  • Problems in cloud communication fixed
1.50
ZIP download
May 20, 2021
  • Error fixed: SNMP output with different decimal points
  • Measuring module software updated and restart improved
1.49
ZIP download
May 3, 2021
  • New: OPC UA support
  • New: Uploading of your own certificates
  • New: Subsequent delivery of historical data via MQTT
  • Error messages for MQTT connections added
  • Web-API polling revised
  • Web server error messages optimized
  • HTTP processing revised
  • REST connections revised
  • Security updates
1.48
ZIP download
September 15, 2020
  • Error fixed: When uploading the configuration file to the device SNMP passwords were not accepted
  • Automatic monitoring for measuring module failure added
  • Firmware update for measuring module revised
1.46
ZIP download
August 17, 2020
  • TLS: Problems with TLS handshake fixed
  • Factory default reset could fail
1.45
ZIP download
July 21, 2020
  • TLS: Support of TLS 1.2
  • Server authentication revised
  • Character coding for HTTP request message corrected
  • Detection of incomplete OPC requests implemented
  • SNMP index error when generating dynamic names corrected
  • System start optimized
  • Up-Time control for the measuring model added
  • Assignment of the device error list revised
1.44
ZIP download
March 2, 2020
  • Problem in OPC communication fixed
  • Problem with SNMP name indexing fixed
1.40
ZIP download
January 31, 2020
  • Network stack optimized
  • Diagnostics list corrected
  • Configuration upload accelerated
  • Addition of SSL for MQTT connections
  • MQTT Client-ID now freely configurable
  • authentication mechanism stabilized
  • OPC communication optimized
  • DHCP functionality stabilized
  • Problem fixed: Error in device interface
  • Problem fixed: Error in SNMPv3 authentication
  • Problem fixed: Error in timed alarms when time is entered manually
  • Problem fixed: Error in MQTT authentication
1.39
ZIP download
November 28, 2019
  • Problem fixed: Zoom error in visualization
  • Problem fixed: Cloud output with deselected sensors failed
1.36
ZIP download
September 30, 2019
  • Output dew point, mixing ratio and enthalpy using W&T tags. (For direct display on the "My Website" page the device must be set to the factory defaults.)
  • MQTT topics may now contain W&T tags
  • Passwords can now be set by uploading the configuration file.
  • Problem fixed: After removing the sensor the last measured values remain available.
  • Problem in SNMPv3 could have caused a "NotInTimeWindow" error.
  • Problem with REST Digest Authentication fixed.
1.35
ZIP download
August 6, 2019
  • Problems with factory default reset fixed.
  • Problems with MQTT ping interval fixed.
  • Problem fixed: MQTT Retain Flag was sometimes not set.
  • Problem fixed: Alarm Clear message with an Index > 12 alarms was incorrectly sent.
  • Problems with SNMPv3 module type detection fixed.
  • Possible problems with software reset fixed.
  • Possible calculation error with negative numbers fixed.
  • Possible log in problems when using certain mail server fixed.
  • Fall-back system for ensuring configuration integrity after firmware update improved.
  • MQTT standard paths added.
  • Device registration reserved only for the administrator user.
1.34
ZIP download
May 6, 2019
  • Fixed: Uploading of large configuration files failed.
  • Fixed: TCP client message was sometimes not initiated.
  • Fixed: Error in SSL stack eliminated.
  • Script components updated
1.32
ZIP download
March 26, 2019
  • New: Supports Modbus-TCP for measurement value polling
  • New: Supports SNMPv2c and SNMPv3
  • Problem with zoom function fixed.
  • Fixed: No display of measurement values when using replaceable tags in HTTP request message.
  • Fixed: Units not output when sensor turned off.
  • Fixed: Restart after software reset was able to be interrupted.
1.31
ZIP download
December 13, 2018
  • Cloud communication optimized.
  • FTP data output optimized.
  • WuTility inventorying problem fixed.
  • Problem fixed: Interval selection for data retention output was not accounted for.
  • Problem fixed: MQTT connection opening after closing the connection was not reinitiated.
  • Problem fixed: Value output in visualization failed if sensor names included special characters.
  • Web-API - Cross Origin Request can be configured.
  • Rest - Cross Origin Request can be configured.
1.30
ZIP download
August 30, 2018
  • Problem fixed: Output problems with CSV logger file fixed.
  • Problem fixed: Special characters in device visualization were not correctly processed.
  • Problem fixed: Text fields for server addresses were too short for alphanumeric entries.
  • Problem fixed: SNMP system messages were not sent.
1.27
ZIP download
May 8, 2018
  • First firmware version
1.22
ZIP download
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