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WB-MAP3E hardware revisions

revision 102249

Go to device manual

The batch number (Batch No.) is shown on a label on the side of the enclosure or on the printed circuit board.

Revision Batches Production period Changes from the previous revision
1.12 v1.12A, v1.12B, v1.12B/1, v1.12B/2, v1.12C – ... 03.2026 - ...
  • PCB layout change: increased clearance between isolated and non-isolated sections
1.11 v1.11A, v1.11A/1, v1.11A/2, v1.11A/3, v1.11B, v1.11B/1, v1.11B/2, v1.11B/3, v1.11B/4, v1.11B/5 12.2025 - 02.2026
  • Different 7.62 mm pitch terminal block on voltage channels.
  • Status and CF indicators moved to the front panel.
1.10 v1.10C/2, v1.10D, v1.10D/1 09.2025 - 12.2025
  • Batch using enclosures with a matte surface
1.10 v1.10A, v1.10A/1, v1.10B, v1.10C, v1.10C/1 06.2025 - 08.2025
  • 4-layer PCB
  • Replaced power-supply input diodes with higher-voltage EMA520 (2 kV) instead of S1M (1 kV)
1.9 v1.9A, v1.9A/1, v1.9A/2, v1.9A/3 05.2025 - 06.2025
  • Minor internal changes
1.8 v1.8A/1, v1.8B/1 04.2025 - 04.2025
  • Fixed excessive active and reactive energy values on newly purchased devices ERRMAP0016
1.8 v1.8B 04.2025 - 04.2025
  • Device without EEPROM
  • Fixed freezing without indication under strong electromagnetic interference ERRMAP0014
1.8 v1.8A 03.2025 - 04.2025
  • Minor internal changes. Digital isolators replace optocouplers.
1.7 v1.7A 01.2025 - 03.2025
  • Minor internal changes
1.6 v1.6H, v1.6H/1, v1.6H/2, v1.6I, v1.6I/1, v1.6I/2, v1.6J, v1.6K, v1.6L, v1.6L/1, v1.6L/2, v1.6M, v1.6M/1 02.2024 - 12.2024
  • Fixed phase-angle measurement error caused by capacitor aging ERRMAP0011
1.6 v1.6F/3, v1.6G, v1.6G/1, v1.6G/2 01.2024 - 02.2024
1.6 v1.6F/1, v1.6F/2 12.2023
  • Optimized the power-supply PCB to address erratum ERRMAP0005
1.6 v1.6E, v1.6F 09.2023 - 12.2023
  • GD32 microcontroller.
1.6 v1.6C/1, v1.6D 08.2023
  • Fixed erratum ERRMAP0005
  • Special version with STM32F031K6T6 microcontroller
1.6 v1.6C 07.2023
  • Special version with STM32F031K6T6 microcontroller
1.6 v1.6A, v1.6A/1, v1.6B, v1.6B/1, v1.6B/2, v1.6B/R - ... 05.2023 - 07.2023
  • Optimized measurement circuitry
  • With a new power-supply PCB revision
1.5 v1.5A, v1.5B, v1.5C, v1.5D 12.2022 - 03.2023
  • New EEPROM chip and serial number format
1.2 v1.2M, v1.2M/2, v1.2N, v1.2O, v1.2O/2, v1.2P, v1.2P/1, v1.2P/2, v1.2P/3, v1.2Q 01.2022 - 10.2022
  • 16 Kb FRAM memory chip
1.2 v1.2L(/1, /2, /3, /4) 12.2021
  • GD32 microcontroller replaces STM32.
1.3 v1.3B, v1.3B/1, v1.3B/2 11.2021 - 11.2022
  • Current inputs use resistors with improved TCR: 50 ppm instead of 200 ppm
1.3 v1.3A 06.2021
  • Replaced the microcontroller with STM32F031F6T6
1.2 v1.2I, v1.2G, v1.2K 04.2021 - 05.2021
  • Special version for a large customer: ATM90E36A chips and custom firmware. No peak measurement or software phase configuration support.
1.2 v1.2D - ... (except v1.2I, v1.2G, v1.2K) 08.2020 - 06.2021
  • Improved current-input accuracy
1.2 v1.2AE - v1.2CE 07.2019 - 05.2020
  • With pluggable DEGSON terminals; firmware adds user-configurable transformer parameters (fw 2.1)
1.1 247 05.2018 - 06.2019
  • First revision: pluggable KEFA terminals