Wiesemann & Theis GmbH

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Firmware:

Web Thermometer 8x

#57778

Current firmware
Date Changes and comments Revision
January 7, 2026
  • Basic initialization at system startup revised
  • Watchdog timing optimized
 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
 1.74
on request
August 27, 2024
  • System start optimized
  • Problem fixed: OPC UA: No certificate provided after Anonymous Login
 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
 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
 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
 1.67
on request
January 16, 2023
  • Update procedure optimized
  • Fixed: Problem with file uploading for certificates fixed
 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
 1.64
on request
November 8, 2022
  • Input screen for mail server revised
  • DHCP - Processing of the option flags expanded
  • OPC UA - Transfer of application URI corrected
 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  • Security: Eliminating the outdated protocols TLS 1.0 and 1.1.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.
 1.59
on request
July 12, 2022
  • Temperature difference produced an erroneous message
  • File upload optimized
 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
 1.57
on request
March 2, 2022
  • New: Configurable NodeIDs for OPC-UA
  • MQTT: Retain flags revised
 1.55
on request
January 20, 2022
  • Mixed operation with Pt100/Pt1000 was not possible
  • 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
on request
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