35.x : 8-Channel Wireless Power Monitoring Module

Relevance tags denote features impacted by the specific firmware release. They include:

Stability – general system functions
PERFORMANCE – system performance
Sensors – features impacting sensor configuration or compatibility
USER INTERFACE – features impacting user interface (displays, buttons, etc)

Release	Release Date	Relevance	Release Notes
35.44	2025/05/14	Stability PERFORMANCE Sensors USER INTERFACE	Transmit detailed information about firmware update progress to mesh gateway Increase lifetime of OLED display by increasing off-time Disable reporting of temperature by default Enhance reporting of reset debug information
35.42	2025/02/04	Stability PERFORMANCE Sensors USER INTERFACE	Fixed sporadic OLED corruption on cold boot Improve performance of communications with phone app New feature: Disable/Enable LEDs New feature: Disable/Enable audio beeps New feature: Disable/Enable OLED display auto-advancement Bug fixes
35.40	2024/09/16	Stability Sensors USER INTERFACE	Enable auto-phase detection for split-phase deployments Fix handling of CTs above 6000 amps Misc stability improvements and bug fixes in metrology module
35.38	2024/04/02	Sensors	Enable sensor reconfiguration via mesh
35.36	2024/02/08	Sensors	Bug fixes
35.34	2023/12/01	Sensors	Improve split core CT accuracy
35.32	2023/09/25	Stability Sensors USER INTERFACE	Improve page display Bug fixes
35.30	2023/06/12	Sensors USER INTERFACE	Improve sensor automatic phase detection algorithm Added Button Mode configuration option.
35.28	2022/06/24	USER INTERFACE	Improves button performance Fixes local display issue that persisted until reboot Fixes issue where CT pages are permanently lost from the local display
35.24	2022/01/23	PERFORMANCE Sensors	Improves CT phase auto-detection algorithm Improves timeliness of readings transmission after power-up Adds temperature reading
35.22	2021/09/29	USER INTERFACE	Incorporates the radio zone in the display rotation
35.20	2021/07/15	Stability Sensors USER INTERFACE	Fixes issue with field upgrade from 35.8 release Improves CT phase auto-detection algorithm to more accurately detect realistic load conditions Adds CT details (IMAX, phase, auto-phase status) to display page On local graphical display, shows electrical readings with units of kilo, mega, etc, to improve readability
35.16	2021/04/16	PERFORMANCE Sensors USER INTERFACE	Improves tap interface responsiveness Improves metrology system robustness during auto-phase detection Increases robustness in detecting voltage wiring topology Eliminates potential for experiencing small negative readings Improves timeliness of electrical and environmental readings, including when modules switch between mesh networks and for frequently-changing readings
35.14	2021/03/24	Stability Sensors	Additional improvements to configuration details transmitted to gateway Corrects sensor behavior when auto-phase is disabled Supports "delta-wired" voltage topology mode
35.12	2021/01/14	Stability Sensors	Supports Rogowski coil current sensors Improves configuration details transmitted to gateway Improves voltage topology auto-detect procedure
35.10	2021/01/07	Stability Sensors	Supports next-generation hardware Power-on self-test at boot Adds voltage topology and sensor phase auto-detection algorithms
35.8	2020/06/03	Stability PERFORMANCE Sensors USER INTERFACE	GUID displayed on start
35.6	2020/01/10	Stability Sensors USER INTERFACE	Improvements to the OLED display pages and tap-based user interface Increased meter configuration flexibility Adds support for mV output (shunted) CTs
35.4	2019/04/24	Sensors USER INTERFACE	Fix display bug for energy readings (bug did not affect actual readings) Fix calculation for extremely large currents (bug did not affect billable energy readings)
35.2	2019/06/17		Initial production release