Miro Firmware Release Notes

Miro firmware v3.17 (Updated 2023-03-15)

• Transformer Loss of life added
• LCD: Added degree symbol for temperatures
• Firmware default NTP sync interval adjusted to match the software default
• Calculation and logging of the positive, negative and zero sequence components for voltage and current
• Fix potential crash when MQTT/Sparkplug and DNP3-Comms are enabled at the same time
• Add harmonic derating and loss of life to low-performance polling (ie. low speed WiFi)
  
  
  

Miro firmware v3.16 (Updated 2022-06-20)

• Miro PQ10-T (Single voltage and temperature) model support – LCD name (if LCD is used)
• Support Fahrenheit temperature:
  • Log units alongside value (in Celsius)
  • Updated LCD page
  • DNP3
  • MQTT-Sparkplug
• ECO-Emergency Changeover Models ECO Single Phase and ECO Three Phase, Swell detection, logging and changeovers added
• K-factor/factor-K logging added
• OTA (Over the air) updates for Sierra Wireless remote cellular modem model HL7650 added
• LCD pages for K-factors, THD and TIHD added
• ‘Harmonic Loss Factor’ and ‘Other Stray Losses’ added
• Factor-K deratings and Loss Factor deratings added

 

Miro firmware v3.15 (Updated 2021-03-05)

• Support Miro Auxiliary I/O Module with 4-20mA inputs.
• Add logic functions.
• Support 3-wire compensation for temperature inputs.
• Add true power factor and displacement power factor for total power.
• Add ‘quadrant power’ LCD page.
• DNP3:
  • Shift AUX indexes from 200 to 800
  • Map all harmonics up to 25
• Add support for Miro 3 Phase ECO (Emergency Changeover) instrument.
• Support for all Quectel modems in the same series as EC21.
• Support for u-blox R4 series modems
• Add ‘LCD dimming after delay’ feature.
• ECO3P: ‘relay one’ now indicates emergency supply state.
• Support reversed phase rotation for unbalance calculation