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-IO CO2


Current firmware
Date Changes and comments Revision
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
1.32
ZIP download
Older firmware
Date Changes and comments Firmware revision
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.
1.31
ZIP download
December 13, 2018
  • Cloud communication optimized.
  • FTP data output optimized.
  • WuTility inventorying problem fixed.
  • Problem fixed: Interval selection for data retention output was not accounted for.
  • Problem fixed: MQTT connection opening after closing the connection was not reinitiated.
  • Problem fixed: Value output in visualization failed if sensor names included special characters.
  • Web-API - Cross Origin Request can be configured.
  • Rest - Cross Origin Request can be configured.
1.30
ZIP download
August 30, 2018
  • Problem fixed: Output problems with CSV logger file fixed.
  • Problem fixed: Special characters in device visualization were not correctly processed.
  • Problem fixed: Text fields for server addresses were too short for alphanumeric entries.
  • Problem fixed: SNMP system messages were not sent.
1.27
ZIP download
May 8, 2018
  • First firmware version
1.22
ZIP download