UA-2841M Release Note Important Notice: Since v1.4.2.0, this product no longer supports Internet Explorer. [2026-06-18] v1.5.8.7 [Beta] Bug fix 1. Fixed the issue where v1.5.8.6 was missing the SearchIP and DB logging main program. [2026-06-02] v1.5.8.6 [Beta] New/Improved 1. Improved the web firmware update process; if firmware decompression fails, the system can revert to the pre-update state. 2. Improved the UI response when executing advanced settings for a project. 3. Improved the issue of advanced settings being cleared after a firmware update. Bug fix 1. Fixed an issue where module-to-SNMP settings might remain after updating a project. 2. Fixed an issue where the Web Secure (HTTPS) service failed to start. [2026-05-21] v1.5.8.5 [Beta] New/Improved 1. Adjusted the Server Name response format for OPC UA support in Utilities. Bug fix 1. Fixed an issue where the interval in seconds was hidden in the InfluxDB connection UI when the record mode was Cycle. [2026-05-20] v1.5.8.4 [Beta] New/Improved 1. InfluxDB connection functionality 2. Database diagnostic messages 3. Modbus to MQTT conversion added to all publishing options 4. System Settings -> Controller Service Settings -> Project Settings -> Advanced Options added Socket health check mechanism 5. OPC UA DisplayName no longer displays Modbus attribute strings - default enabled (custom setting in this version, the original default behavior will be restored in the official firmware). [2026-05-17] v1.5.6.5 New/Improved 1. Utility supports OPC UA Server Name response. 2. OPC UA Server Name can be edited and configured. 3. OPC UA Server settings add an export name option to hide the Modbus attribute prefix. Bug fix 1. Fixed the issue where module-to-SNMP settings might remain after updating a project. [2026-05-14] v1.5.6.3 [Beta] New/Improved 1. DDNS settings adjustment requires manual service restart for the changes to take effect 2. MSSQL connection settings adjustment no longer requires the inclusion of entity names Bug fix 1. Fixed the issue where the number of Registers might exceed the 125 limit when using Long/Float/Double in Modbus modules 2. Fixed the issue where UA-2241's LAN2 IP could not download OPC UA Server credentials when logging into the webpage. [2026-03-31] v1.5.4.35 [Beta] New/Improved 1. Improved the loading speed of values on the module settings page, preventing null values or abnormal characters from appearing during operations. [2026-03-18] v1.5.4.34 [Beta] New/Improved 1. Enhanced UI error prevention mechanism: When the backend cannot obtain the configuration file, it automatically provides an empty data structure to prevent null or undefined values from appearing on the frontend. Bug fix 1. Fixed the issue of unsynchronized Scaling settings when copying modules. [2026-03-10] v1.5.4.33 [Beta] New/Improved 1. Adjusted the DBus communication API, improving error prevention handling when the service is not started and the stability of multi-threaded initialization. 2. Improved the issue of SD card directory creation conflicts caused by disconnection updates in multi-connection scenarios for MySQL/InfluxDB. [2026-02-24] v1.5.4.32 [Beta] New/Improved 1. Removed incorrect jQuery version annotations from HTML files to avoid false positives from weak scanning tools. [2026-02-10] v1.5.4.31 [Beta] New/Improved 1. Added the UpdateComPortSetting function to the UA-5231/UA-2241 platforms: When firmware updates detect XV-511i, the UI will display the Serial Port setting. 2. Adjusted the ChangeComPortSetting behavior: No setting changes are made when XV-511i is not inserted. [2026-01-30] v1.5.4.30 [Beta] New/Improved 1. PostgreSQL related UI is only displayed on UA-2841; it is not displayed on other platforms (UA-5231/UA-2241/UA-7231). 2. Merged MySQL horizontal record and offline correction functions. [2026-01-29] v1.5.4.27 [Beta] Bug fix 1. Fixed the issue where the UI did not display downloadable Datalog archives. [2026-01-19] v1.5.4.26 [Beta] New/Improved 1. Add Project advanced Setting to System Setting > Controller Service Setting 2. Add a reconnection delay mechanism to MQTT Service to avoid frequent retries 3. Optimize OPC UA DisplayName display: Removed unnecessary Modbus attribute strings (v1.5.4.26 only) [2026-01-05] v1.5.4.22 [Beta] New/Improved 1. Adjusted the MQTT Service to prevent situations where it cannot be woken up after sleeping. Bug fix 1. Fixed the issue where the UI menu was not displayed when switching to MQTT after enabling Scaling in Modbus RTU settings. [2026-01-02] v1.5.4.20 [Beta] New/Improved 1. Added PostgreSQL Client support (UA-2841 only) Bug fix 1. Fixed the issue where UI checkboxes were not checked when converting RTU and TCP modules to MQTT. [2025-12-08] v1.5.4.16 [Beta] New/Improved 1. Adjusted the naming of logger settings in both Chinese and English. 2. After manual and automatic time synchronization settings are completed, the system will prompt the time synchronization method used. 3. Added support for Utility TCP search function. 4. Fixed the project's local IP address to 127.0.0.1 to prevent MQTT from failing to connect when other UAs are imported into the project. 5. DisplayName no longer contains the Modbus attribute string (only applicable to v1.5.4.16) Bug fix 1. Fixed the issue where an empty Client ID caused connection failure during MQTT test connection. 2. Fixed the issue where the SNMPD service failed to start after changing the IP address due to IP binding. 3. Fixed the issue where the Modbus Driver Function 05 parameter was not initialized, causing the compiler to automatically assign a non-zero value, resulting in multiple write attempts. 4. Fixed an issue in version v1.5.4.11 where AI Scaling points were incorrectly displayed in the OPC UA DisplayName (applies only to v1.5.4.16) [2025-11-06] v1.5.4.11 [Beta] New/Improved 1. OPC UA DisplayName optimization: Removed unnecessary Modbus attribute strings. (Applicable only to v1.5.4.11) [2025-10-31] v1.5.4.10 Bug fix 1. Fixed an issue where the UI Real-time Information page might become unresponsive for an extended period after a firmware update. 2. Fixed an error about information display in the [Status] field of I/O Status. [2025-10-15] v1.5.4.8 [Beta] Bug fix 1. Fixed the issue where the EZ-UAQ Utility password verification could not be modified. [2025-09-15] v1.5.4.7 [Beta] New/Improved 1. Ping Echo enable/disable setting 2. Modbus RTU timeout retry interval setting 3. SearchIP response method changed to broadcast 4. OpenVPN and interface configuration support 5. Horizontal Data field writing support 6. Scaling points can be written into MSSQL database 7. Supported EZ UAQ Utility version 2.4.32 and later 8. Added JS Parser function to Runtime, providing the following logic control functions: - Timer control - Tag value access - Email - Cron schedule - FRAM access Bug fix 1. Fixed Modbus IOStatus display anomaly 2. Fixed MSSQL initialization screen display error 3. Fixed issue where MQTT custom XML file was not generated correctly 4. Fixed MSSQL delayed write issue 5. Fixed issue where the first MySQL record was not written [2025-01-08] v1.4.6.32 [Beta] Bug fix 1. Fixed the issue where the MQTT custom service XML file was not generated correctly. 2. Corrected an error in the "Record Mode" field content within the MSSQL connection UI settings. [2024-11-13] v1.4.6.10 [Beta] Bug fix 1. Fixed an issue causing MQTT Will to malfunction. [2024-08-20] v1.4.6.4 [Beta] Bug fix 1. Fixed an issue where the system log would not regenerate after being cleared. 2. Fixed an issue where the first MSSQL record was not being written. [2024-03-12] v1.4.2.0 This is the official mass production version of UA-2841M.