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 4.0 Digital 4xIn/Out

Model 57733


Current firmware
Date Changes and comments Revision
December 12, 2022
  • IP stack - MTU settable
  • IP stack - Improved processing of fragmented UDP packets
  • System start - When boot error occurs update mode is activated for system restore
  • MQTT - Publish is suppressed when entered as payload
  • Modbus-TCP - Counters 3 and 4 can be invoked
  • OPC UA - URI query corrected
1.64
ZIP download
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Older firmware
Date Changes and comments Revision
November 4, 2022
  • DHCP - Processing of the option flags expanded
  • OPC UA - Transfer of application URI corrected
  • Modbus-TCP - Register for Counters 2 and 3 created
  • Config Upload - Parameter transfer corrected
  • System start - Configuration initialization optimized
1.63
on request
September 26, 2022
  • Actions - up to 16 outputs on another Web-IO can be switched
  • Actions - placeholders in the HTTP payload are supported
  • Actions - for HTTP-POST without payload a content length of 0 is entered in the header
  • OPC UA - NodeID overview can be recalled
  • OPC UA - your own NodeIDs can be loaded via list
  • OPC UA - setting outputs by writing the CurrentOutputState-Nodes is possible
  • OPC UA - writing the input counters by writing the CurrentInputCounter-Nodes is possible
  • MQTT - QoS2 processing revised
  • Modbus-TCP - diagnostics querying expanded
  • Input-Counter - problems with bi-directional counting fixed
  • System - Config Upload optimized and accelerated
Note: If, in the existing configuration, multiple outputs are used in an action, this option must be reset following an update!
1.62
on request
April 5, 2022
  • Passwords - non-allowed characters are rejected
  • Firmware update: Initiating via button in the interface possible
  • Firmware update - accelerated transmission (57733 and 57738 only)
  • Emergency access - missing login page added
  • SNMP - MIBs and OIDs expanded
  • OPC UA - Node-IDs can be modified via list upload
  • Actions - switching of multiple outputs optimized
Please use the newest included version of Wutility for the update.
1.56
on request
January 12, 2022
  • 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
Please use the newest included version of Wutility for the update.
1.54
on request
October 7, 2021
  • Outputs - Pulse mode revised
  • Inputs - Short pulse processing improved
  • REST - Digest authentication corrected
  • Homepage - Size of display tiles adjusted
  • My Web Page - JavaScript optimized
1.52
on request
August 26, 2021
  • Firmware for the 0 series
1.51
on request
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