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