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, 2xIn, 2xOut

Model 57737


Current firmware
Date Changes and comments Revision
January 11, 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
  • Pulse Mode - Problems with internal supply fixed
Please use the newest included version of Wutility for the update.
1.54
ZIP download
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Older firmware
Date Changes and comments Revision
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
ZIP download
August 2, 2021
  • Actions - HTTP Request Basic Auth. revised
  • Actions - HTTP Request Digest Auth. revised
  • Actions - HTTP Request POST revised
  • Boot Up - Denial of Service by UDP flood blocked
1.51
ZIP download
May 4, 2021
  • OPC - OPC UA implemented
  • TLS - Uploading your own certificates is possible
  • Actions - REST token timeout adjusted
  • Actions - REST compatibility improved
  • Pulse Mode - Internal handling improved
1.50
ZIP download
August 12, 2020
  • SSL/TLS - TLS stack expanded with Version 1.2
Reverting to firmware revisions lower than V1.36 is no longer possible after this update!

After the update a restart (simple reset) of the Web-IO is required

To load this firmware, WuTility must be used in the newest version included!
1.44
ZIP download
July 2, 2020
  • Socket-API - counterclear - set value corrected
  • Web-API - counterclear - set value corrected
  • Web-API - Cross Origin Request expanded
Reverting to firmware revisions lower than V1.36 is no longer possible after this update!

After the update a restart (simple reset) of the Web-IO is required

To load this firmware, WuTility must be used in the newest version included!
1.43
on request
June 22, 2020
  • Actions - POST added to HTTP requests
  • Actions: Token authentication possible with HTTP requests
1.42
on request
May 25, 2020
  • Internal processing latencies reduced
1.41
on request
March 5, 2020
  • Actions - Cold start as trigger possible again
  • Actions - Warm start as trigger possible again
  • SNMP - Indexing problem for actions corrected
  • MQTT - SSL transmission and Client-ID introduced
1.39
on request
January 7, 2020
  • Actions - Digist authentication for HTTP(S) requests revised
  • Inputs/Outputs - Filter and pulse settings adapted for new hardware drivers
1.38
on request
December 12, 2019
  • Downgrade block - JSON enable included
  • MQTT - Last Will connection topic revised
  • SNMP - private authentication revised
  • Date/time - weekday calculation revised
  • Homepage - Action tiles expanded
  • Config Up/Down Load - processing accelerated (no more timeout)
1.37
on request
December 2, 2019
  • SNMP - Time compensation for SNMPv3 corrected
  • Pulse mode - Dependencies when resetting adjusted
  • REST - Greater tolerance for upper/lower case in HTTP header fields
  • Actions - Clear message for counter monitoring added
  • Actions - Number of possible actions increased to 30
  • Actions - For HTTP(S) requests W&T placeholders are accepted
  • Actions - For HTTP(S) requests greater tolerance for upper/lower case in HTTP header fields
  • User page - Problems in representing W&T tags fixed
  • Memory management - used address space expanded
1.36
on request
August 1, 2019
  • SNMP - Support of downward compatible OIDs improved
  • SNMP - Support up to SNMPv3
  • Configuration_Upload - Timeout behavior optimized
  • Version query expanded
  • MQTT - Ping timeout corrected
  • Device registration at W&T possible
1.35
on request
April 10, 2019
  • Configuration upload - port verification improved
  • Socket Api - settime command introduced
  • HTTP Api - settime command introduced
  • Date/time - internal clock calibration optimized
1.33
on request
January 21, 2019
  • internal interrupt processing optimized
1.32
on request
November 16, 2018
  • Web-API - Cross origin request can be configured
  • Rest - Cross original request can be configured
1.31
on request
October 22, 2018
  • MQTT - uniform W&T standard topics introduced
1.29
on request
September 20, 2018
  • Actions - Triggering by setting counter to zero optimized
  • Actions - <CR> tag for line skip introduced
1.27
on request
June 28, 2018
  • Box-to-Box - Signal detection at start optimized
  • SNMP - download link for MIB corrected
1.24
on request
June 4, 2018
  • SNMP - OIDs from preceding model are accepted
  • BINARY Client - Server Addr. also configurable as name
  • Configuration - internal plausibility check
1.23
on request
March 15, 2018
  • Actions - Use of host names instead of IP revised
  • Actions - Sending of SNMP trap texts corrected
  • Upload of large configuration files improved
1.22
on request
January 26, 2018
  • MQTT - Last Will added
  • Network buffer processing optimized
  • Actions - TCP message now also permitted on localhost
  • Outputs - Resetting for pulse revised
1.21
on request
September 20, 2017
  • MQTT Publish: QoS can be set
  • MQTT Publish: Retain can be set
  • SNMP: UDP ports can be set
  • Outputs: Inverting revised
  • Homepage: HTTP(S) communication optimized
  • Firmware update: internal processes optimized
1.20
on request
July 20, 2017
  • Restart behavior when changing the IP parameters corrected
  • IO processing after restart revised
  • Pulse mode: Behavior after saving corrected
  • HTTPS/TLS: Processing of large data blocks optimized
  • Accuracy of the internal clock improved
1.18
on request
June 28, 2017
  • MQTT: ClientID output corrected
  • MQTT: No publish without message text
1.17
on request
June 8, 2017
  • Display of network interruptions on Home
  • Actions: Output of HTTPS requests added
  • Actions: Logic in IO combinations revised
  • Client specifications for MSL/MTU size taken into account
  • SSL network buffer management optimized
1.16
on request
May 11, 2017
  • Website callup optimized
  • Parameter transfer revised
  • Pulse mode: Reset behavior corrected
1.15
on request
March 20, 2017
  • Network buffer processing accelerated
  • SSL handling revised
  • Start-timeout for unused sockets
1.14
on request
February 3, 2017
  • Menu guidance and operation revised
  • current SNMP-MIB added
  • SNMP - OID tree adjusted
1.13
on request
January 18, 2017
  • Menu guidance and operation revised
  • Password protection for Box-to-Box improved
  • XML format for REST adapted to standard
  • Configuration and administration of the actions improved
1.12
on request
October 6, 2016
  • Firmware for pre-production version
1.10
on request
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