Wiesemann & Theis GmbH

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Firmware:

Web-Thermo-Hygrobarometer

#57713

Current firmware
Date Changes and comments Revision
January 7, 2026
  • Basic initialization at system startup revised
  • Watchdog timing optimized
Please be sure the device has at least Version 1.08 before the update!
 1.79
UHD download
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Older firmware
Date Changes and comments Revision
June 17, 2025
  • MQTT functionality optimized
  • MQTT <empty> tag added for sending an empty message
  • HTTP Request Message optimized
  • Messages - Replacement for <IP> corrected
  • Problem in cloud transfer fixed
  • Problem with block length of encrypted transmissions fixed
Please be sure the device has at least Version 1.08 before the update!
 1.74
on request
August 27, 2024
  • System start optimized
  • Problem fixed: OPC UA: No certificate provided after Anonymous Login
Please be sure the device has at least Version 1.08 before the update!
 1.73
on request
June 13, 2024
  • Problem fixed: OPC UA connections were interrupted
  • MQTT - Payload is only checked for presence instead of agreement
  • MQTT - DNS resolution is more dynamic when connection is opened
  • Actions - Interval Timer L for last day of the month inserted (also possible: L-n)
  • FTP error handling revised
Please be sure the device has at least Version 1.08 before the update!
 1.71
on request
January 9, 2024
  • Stability improvements
  • HTTP requests with token authentication optimized
  • Self-signed certificate for OPC UA use optimized
  • Measuring module: System start optimized
  • Error fixed: Mail authentication method Auth failed
Please be sure the device has at least Version 1.08 before the update!
 1.69
on request
August 23, 2023
  • TCP/IP stack - MTU up to max. 1500 possible
  • Actions - Host name for HTTP requests in the head corrected
  • HTTP(S) - POST for actions added
  • Measuring module communication revised
  • Error fixed: Air pressure was not copied into the compensation file
Please be sure the device has at least Version 1.08 before the update!
 1.67
on request
January 16, 2023
  • Update procedure optimized
  • Fixed: Problem with file uploading for certificates fixed
  • Sensor communication optimized
Please be sure the device has at least Version 1.08 before the update!
 1.65
on request
January 5, 2023
  • Fixed bug: FTP: When selecting the option "Output all logger data since last transmission," data was sent twice.
  • IP stack - MTU settable
  • System start - When boot error occurs update mode is activated for system restore
  • MQTT - Publish is suppressed when <disable> is entered as payload
  • OPC UA - URI query corrected
Please be sure the device has at least Version 1.08 before the update!
 1.64
on request
November 8, 2022
  • Error fixed: At special relative humidity values a "Sensor lost" message was generated.
  • Input screen for mail server revised
  • DHCP - Processing of the option flags expanded
  • OPC UA - Transfer of application URI corrected
  • Output of dew point, mixing ratio and enthalpy corrected via W&T tags. (For direct display on the "My Website" page, the device must be set to factory defaults).
Please be sure the device has at least Version 1.08 before the update!
 1.63
on request
August 9, 2022
  • Error fixed: Turning on the OPC UA caused permanent reset which could only be resolved by a factory reset.
  • Security: Eliminating the outdated protocols TLS 1.0 and 1.1. Effective immediately only TLS 1.2 is supported.
Please be sure the device has at least Version 1.08 before the update!
 1.59
on request
July 12, 2022
  • File upload optimized
Please be sure the device has at least Version 1.08 before the update!
 1.58
on request
May 4, 2022
  • New: Configure measurement value compensation with up to 10 correction points per sensor via JSON file.
  • Firmware update: Initiating via button in the interface possible
Please be sure the device has at least Version 1.08 before the update!
 1.57
on request
March 2, 2022
  • New: Configurable NodeIDs for OPC-UA
  • MQTT: Retain flags revised
Please be sure the device has at least Version 1.08 before the update!
 1.55
on request
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
Please be sure the device has at least Version 1.08 before the update!
 1.54
on request
December 16, 2021
  • Security updates: DHCP, DNS and ICMP services revised
  • Error in SNMP output corrected
  • Erroneous output in MQTT corrected
Please be sure the device has at least Version 1.08 before the update!
 1.53
on request
August 5, 2021
  • Problem fixed: Wrong time stamp was entered for the first value in the data logger.
Please be sure the device has at least Version 1.08 before the update!
 1.51
on request
June 22, 2021
  • Problems in SNMPv2/3 MIB tree fixed
  • Problems in cloud communication fixed
Please be sure the device has at least Version 1.08 before the update!
 1.50
on request
May 20, 2021
  • Error fixed: SNMP output with different decimal points
  • Measuring module software updated and restart improved
Please be sure the device has at least Version 1.08 before the update!
 1.49
on request
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
Please be sure the device has at least Version 1.08 before the update!
 1.48
on request
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
Please be sure the device has at least Version 1.08 before the update!
 1.46
on request
August 17, 2020
  • TLS: Problems with TLS handshake fixed
  • Factory default reset could fail
Please be sure the device has at least Version 1.08 before the update!
 1.45
on request
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
Please be sure the device has at least Version 1.08 before the update!
 1.44
on request
March 2, 2020
  • Problem in OPC communication fixed
  • Problem with SNMP name indexing fixed
  • Transmission problems with sensor extension fixed
Please be sure the device has at least Version 1.08 before the update!
 1.40
on request
January 31, 2020
  • Network stack optimized
  • Diagnostics list corrected
  • Configuration upload accelerated
  • Addition of SSL for MQTT connections
  • MQTT Cliend-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
Please be sure the device has at least Version 1.08 before the update!
 1.39
on request
November 28, 2019
  • Problem fixed: Zoom error in visualization
  • Problem fixed: Cloud output with deselected sensors failed
Please be sure the device has at least Version 1.08 before the update!
 1.36
on request
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.)
  • The barometric pressure can now be displayed in mbar or hPa.
  • 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.
Please be sure the device has at least Version 1.08 before the update!
 1.35
on request
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.
Please be sure the device has at least Version 1.08 before the update!
 1.34
on request
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
Please be sure the device has at least Version 1.08 before the update!
 1.32
on request
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.
Please be sure the device has at least Version 1.08 before the update!
 1.31
on request
July 5, 2016
  • Fixed: DHCP, incorrect display of the lease time corrected
  • Fixed: DHCP, requests were sometimes sent with the wrong checksum
  • Fixed: Display of the temperature in Fahrenheit and Kelvin corrected
  • Fixed: Deleting your own Web page when updating firmware prevented
  • Fixed: Output error in your own Web page corrected
  • Upload button for Web pages removed (function is part of the Apply button)
  • Info icon exchanged
  • Mail authentication is now selected using a select box
Due to replacement of script files, problems with display of the homepage can occur after the update. To resolve this you must simply clear your browser cache and reload the page.
 1.08
UHD download
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