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

Web-Graph Air Quality

Model 57618

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.
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Older firmware
Date Changes and comments Revision
July 7, 2017
  • Error in cloud access fixed
on request
April 22, 2015
  • Problem fixed: Memory matrix for graphics settings cleared up.
on request
February 19, 2015
  • Problem fixed: Value range of the VOC sensor adapted.
on request
September 25, 2014
  • Problems in measuring value sending to the W&T cloud fixed
  • Current configuration settings added to MIB
on request
June 17, 2014
  • New: Functionality for sending measurement values to the W&T cloud added
  • Encrypted transmission of the measurement values to the cloud via SSL
on request
April 16, 2014
  • First firmware version
on request
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