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-Graph Air Quality

Model 57618


Current firmware
Date Changes and comments Firmware 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.
1.92
ZIP download
Older firmware
Date Changes and comments Firmware revision
July 7, 2017
  • Error in cloud access fixed
1.90
ZIP download
April 22, 2015
  • Problem fixed: Memory matrix for graphics settings cleared up.
1.88
ZIP download
February 19, 2015
  • Problem fixed: Value range of the VOC sensor adapted.
1.87
ZIP download
September 25, 2014
  • Problems in measuring value sending to the W&T cloud fixed
  • Current configuration settings added to MIB
1.86
ZIP download
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
1.85
ZIP download
April 16, 2014
  • First firmware version
1.83
ZIP download