| June 9, 2026 |
- Internal timing optimized
- Internal memory handling optimized
- Watchdog monitoring optimized
- Connection management optimized
Once you have updated to this firmware version, you will no longer be able to downgrade to versions earlier than v1.77
|
1.81
on request |
| January 7, 2026 |
- Basic initialization at system startup revised
- Watchdog timing optimized
|
1.79
on request |
| June 17, 2025 |
- MQTT functionality optimized
- MQTT <empty> tag added for sending an empty message
- HTTP Request Message optimized
- Messages - Replacement for <IP> corrected
- Problem in cloud transfer fixed
- Problem with block length of encrypted transmissions fixed
|
1.74
on request |
| August 27, 2024 |
- System start optimized
- Connection problems fixed: Box-to-Box mode
- Problem fixed: OPC UA: No certificate provided after Anonymous Login
|
1.73
on request |
| June 13, 2024 |
- Problem fixed: OPC UA connections were interrupted
- MQTT - Payload is only checked for presence instead of agreement
- MQTT - DNS resolution is more dynamic when connection is opened
- Actions - Interval Timer L for last day of the month inserted (also possible: L-n)
- FTP error handling revised
|
1.71
on request |
| January 9, 2024 |
- New: MQTT Box2Box connection with standard topics added.
- Stability improvements
- HTTP requests with token authentication optimized
- Self-signed certificate for OPC UA use optimized
- Measuring module: System start optimized
- Error fixed: Mail authentication method Auth failed
|
1.69
on request |
| August 23, 2023 |
- TCP/IP stack - MTU up to max. 1500 possible
- Actions - Host name for HTTP requests in the head corrected
- HTTP(S) - POST for actions added
- Error fixed: No compensation file function
- Error fixed: Schematic diagram corrected
|
1.67
on request |
| January 16, 2023 |
- Update procedure optimized
- Fixed: Problem with file uploading for certificates fixed
|
1.65
on request |
| November 8, 2022 |
- Input screen for mail server revised
- DHCP - Processing of the option flags expanded
- OPC UA - Transfer of application URI corrected
- Actions - up to 16 outputs on another Web-IO can be switched
|
1.63
on request |
| August 9, 2022 |
- Error fixed: Turning on the OPC UA caused permanent reset which could only be resolved by a factory reset.
- Security: Eliminating the outdated protocols TLS 1.0 and 1.1. Effective immediately only TLS 1.2 is supported.
|
1.59
on request |
| July 12, 2022 |
|
1.58
on request |
| May 4, 2022 |
- New: Configure measurement value compensation with up to 10 correction points per sensor via JSON file.
- Firmware update: Initiating via button in the interface possible
|
1.57
on request |
| March 2, 2022 |
- New: Configurable NodeIDs for OPC-UA
- MQTT: Retain flags revised
|
1.55
on request |
| January 20, 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
|
1.54
on request |
| December 16, 2021 |
- Security updates: DHCP, DNS and ICMP services revised
- Error in SNMP output corrected
- Erroneous output in MQTT corrected
|
1.53
on request |
| August 5, 2021 |
- Problem fixed: Wrong time stamp was entered for the first value in the data logger.
|
1.51
on request |
| June 22, 2021 |
- Problems in SNMPv2/3 MIB tree fixed
- Problems in cloud communication fixed
|
1.50
on request |
| May 25, 2021 |
- Error fixed: SNMP output with different decimal points
- Measuring module software updated and restart improved
|
1.49
on request |
| May 3, 2021 |
- New: OPC UA support
- New: Uploading of your own certificates
- New: Subsequent delivery of historical data via MQTT
- Error messages for MQTT connections added
- Web-API polling revised
- Web server error messages optimized
- HTTP processing revised
- REST connections revised
- Security updates
|
1.48
on request |
| November 4, 2020 |
- Error fixed: MQTT subscribe message could fail
- Error fixed: Some activation checkboxes indicated a malfunction
- Uploading of long configuration files optimized
|
1.47
on request |
| September 15, 2020 |
- Error fixed: When uploading the configuration file to the device SNMP passwords were not accepted
- Automatic monitoring for measuring module failure added
- Firmware update for measuring module revised
|
1.46
on request |
| August 17, 2020 |
- TLS: Problems with TLS handshake fixed
- Factory default reset could fail
|
1.45
on request |
| July 21, 2020 |
- TLS: Support of TLS 1.2
- Server authentication revised
- Character coding for HTTP request message corrected
- Detection of incomplete OPC requests implemented
- SNMP index error when generating dynamic names corrected
- System start optimized
- Up-Time control for the measuring model added
- Assignment of the device error list revised
|
1.44
on request |
| June 8, 2020 |
- Problem fixed: Level peak after device restart reduced
- Problem fixed: Module reset after firmware update was not performed
|
1.41
on request |
| March 2, 2020 |
- New: Number of decimal places configurable
- Problem in OPC communication fixed
- Problem with SNMP name indexing fixed
|
1.40
on request |
| January 31, 2020 |
- Network stack optimized
- Diagnostics list corrected
- Configuration upload accelerated
- Addition of SSL for MQTT connections
- MQTT Client-ID now freely configurable
- authentication mechanism stabilized
- OPC communication optimized
- DHCP functionality stabilized
- Problem fixed: Error in device interface
- Problem fixed: Error in SNMPv3 authentication
- Problem fixed: Error in timed alarms when time is entered manually
- Problem fixed: Error in MQTT authentication
|
1.39
on request |
| November 28, 2019 |
- Problem fixed: Value difference message didn’t function
- Problem fixed: Zoom error in visualization
- Problem fixed: Cloud output with deselected sensors failed
- Send interval for UDP peer added
|
1.36
on request |
| September 30, 2019 |
- MQTT topics may now contain W&T tags
- Passwords can now be set by uploading the configuration file.
- Output control improved
- Problem in SNMPv3 could have caused a "NotInTimeWindow" error.
- Problem with REST Digest Authentication fixed.
|
1.35
on request |
| August 6, 2019 |
- Problems with factory default reset fixed.
- Problems with MQTT ping interval fixed.
- Problem fixed: MQTT Retain Flag was sometimes not set.
- Problem fixed: Alarm Clear message with an Index > 12 alarms was incorrectly sent.
- Problems with SNMPv3 module type detection fixed.
- Possible problems with software reset fixed.
- Possible calculation error with negative numbers fixed.
- Possible log in problems when using certain mail server fixed.
- Fall-back system for ensuring configuration integrity after firmware update improved.
- MQTT standard paths added.
- Device registration reserved only for the administrator user.
- Explicit output release for SNMP added.
|
1.34
on request |
| 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
on request |
| March 26, 2019 |
- 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.
- Fixed: Measurement value transmission in binary mode was faulty.
- Fixed: Port mode "AUTO" was not recognized in binary mode.
|
1.31
on request |
| 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
on request |
| September 7, 2018 |
- Problem with cloud transfer fixed
|
1.28
on request |
| August 30, 2018 |
- Problem fixed: SNMP system messages were not sent.
|
1.27
on request |
| August 9, 2018 |
- Problem fixed: Improved performance for fast transmission of control commands
- Problem fixed: Text fields for server addresses were too short for alphanumeric entries.
- Problem fixed: Output watchdog was also enabled in Input mode
|
1.26
on request |
| July 26, 2018 |
- Problem fixed: Box-to-Box mode did not function
- Problem fixed: Wrong character format for single value queries
- New: Output watchdog sets a configurable value when there is inactivity
- New: Status indicator for binary connections on the diagnostics side
|
1.25
on request |
| June 25, 2018 |
- Problem fixed: Visualization didn’t work when special characters were configured in the channel unit.
- Problem fixed: Erroneous output of the logger.csv file corrected.
- Problem fixed: Web page could not be opened in IE 11.
|
1.24
on request |
| May 29, 2018 |
|
1.23
on request |
