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 Thermometer 8x

Model 57778


Current firmware
Date Changes and comments Revision
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  • Security: Eliminating the outdated protocols TLS 1.0 and 1.1.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
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Older firmware
Date Changes and comments Revision
July 12, 2022
  • Temperature difference produced an erroneous message
  • File upload optimized
1.58
ZIP download
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
ZIP download
March 2, 2022
  • New: Configurable NodeIDs for OPC-UA
  • MQTT: Retain flags revised
1.55
ZIP download
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
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