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New Firmware V29:

• Pyrometer: Interference suppression improved
• Internal parameter adjusted after hardware redesign (v28/ v29)
• ASCII Protocol: Answer time enlarged from 50ms to 500ms

V 37 ( 08.08.2022)

• Bug fix: format error of channel parameter response for WMO_GUST_DIR channel, caused by missing WMO_GUST_DIR in advanced_info.c :: add_min_max()
• Manual (updated to v30): corrected transposed digits error in table 20.1, WMP_GUST_DIR line (german version)

V 36 (18.11.2021)

• Selectable handling of wind direction when wind speed below minimum: set 0.0 or hold last value
• Parallel operation of Modbus and analog frequency output enabled.
• Parallel analog output operation permitted except for protocols SDI12, Clipper and fullduplex operation
• Modbus message end detection changed from 3.5char timer to length prediction
• Permit parallel operation of Modbus and analog output (except frequency output)
• Corrected buffer length and send function for Modbus-ASCII (requires 510 chars buffer length)

OTT HydroMet Fellbach GmbH, Firmware releases WS200 - WS800 sensors
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Firmware WSx-Release v70, 17 February 2023
1. Bugfix: I2C Driver fix to avoid read problems (timing)from EEPROM
2. Feature add: fan monitoring feature added, available since hardware release 32 

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Firmware WSx-Rerlease v69, 23 August 2022

1. Feature add: Deactivation automatic hardware-switch  for SDI12. SDI-12 protocol communication is available now in standard RS485 mode
2. Feature add: SDI12 Command aXVd! added to poll for device revision number

Please note:
- Firmware for Pluvio²L, Pluvio²S
- This firmware version is not suitable for OTT Pluvio² (former generation of devices)!

V 1.05.0 (15.07.2022)
- Improved system stability to avoid unnecessary system resets
- Improved SDI-12 communication.
- DWD protocol timestamp bugfix.
- Remove write protection from SDI-12 commands listed in manual
- Various minor bugfixes and firmware optimizations
- Compatible to new Pluvio processor generation (k2, k4 mainboards) that are available since July 2022.

V 1.04.0 (22.06.2021)
- Field separator added when a checksum (CRC) is requested. A separator, e.g. ";" is inserted before the output of the CRC value.
- Improved SDI-12 communication. This release resolves the issue with SDI-12 data gaps.
- Stability of "accu RT-NRT" values improved
- Various minor bugfixes and firmware optimizations
- Pluvio²L: stability of temperature compensation for old mechanic (before autumn 2019) improved

V 1.03.0 (24.05.2018)
- Measured value processing optimized to prevent the registration of erroneous precipitation
- The "Accu total NRT" value is now automatically reset for devices for the DWD at 1000 mm/100 inch (measuring range overflow).
  For all other devices, this value is still 500 mm/50 inch.

V 1.02.2 (18.05.2017)
- Common firmware for precipitation sensors OTT Pluvio² L and OTT Pluvio² S
- Improved temperature compensation up to 10 K/h
- Automatic detection for maintenance activities "Emptying the collecting bucket" and "Adding anti-freeze agent for winter operation" has been optimized
- Impulse factors 0.5 mm and 1.0 mm have been added (now 0.05 mm · 0.1 mm · 0.2 mm · 0.5 mm  · 1.0 mm selectable)
- Various minor bugfixes and firmware optimizations

V 1.00.5 ... V 1.02.1
– Internal versions, not published

V 1.00.4 (14.04.2016)

- Initial version

Please note:
- Firmware for Pluvio²L, Pluvio²S
- This firmware version is not suitable for OTT Pluvio² (former generation of devices)!

V 1.06.0 (27.06.2023)
-

V 1.05.0 (15.07.2022)
- Improved system stability to avoid unnecessary system resets
- Improved SDI-12 communication.
- DWD protocol timestamp bugfix.
- Remove write protection from SDI-12 commands listed in manual
- Various minor bugfixes and firmware optimizations
- Compatible to new Pluvio processor generation (k2, k4 mainboards) that are available since July 2022.

V 1.04.0 (22.06.2021)
- Field separator added when a checksum (CRC) is requested. A separator, e.g. ";" is inserted before the output of the CRC value.
- Improved SDI-12 communication. This release resolves the issue with SDI-12 data gaps.
- Stability of "accu RT-NRT" values improved
- Various minor bugfixes and firmware optimizations
- Pluvio²L: stability of temperature compensation for old mechanic (before autumn 2019) improved

V 1.03.0 (24.05.2018)
- Measured value processing optimized to prevent the registration of erroneous precipitation
- The "Accu total NRT" value is now automatically reset for devices for the DWD at 1000 mm/100 inch (measuring range overflow).
  For all other devices, this value is still 500 mm/50 inch.

V 1.02.2 (18.05.2017)
- Common firmware for precipitation sensors OTT Pluvio² L and OTT Pluvio² S
- Improved temperature compensation up to 10 K/h
- Automatic detection for maintenance activities "Emptying the collecting bucket" and "Adding anti-freeze agent for winter operation" has been optimized
- Impulse factors 0.5 mm and 1.0 mm have been added (now 0.05 mm · 0.1 mm · 0.2 mm · 0.5 mm  · 1.0 mm selectable)
- Various minor bugfixes and firmware optimizations

V 1.00.5 ... V 1.02.1
– Internal versions, not published

V 1.00.4 (14.04.2016)

- Initial version

V1.2.1:

-API update for compatibility with Android 12 and 13

- Cloud parameter calculation reworked

- Fixed crashes on some devices

V1.1.8:

-Support and presets for 8k simulator added

- Support for imperial units added

- Sum of cloud height and depth limited to 15000m

- Sum of cloud height and depth is at least 300m

- Cloud height and depth is at least 100m

- Expert mode is visible setting

- Show LED board temperature

- Checkboxes for freerun mode hidden for customers

V1.1.7:

- Checkboxes for freerun mode added to extended screen

V1.1.6: 

- Fix in firmware update dialog

V1.1.4: 

- Fix in Dialog to enable Bluetooth

V1.1.3:

- Dialog to enable Bluetooth added

V1.1.2: 

- API updates for compatibility with Android 6, 7, 8 and 9

V1.0.5:

- Extensive UI simplified. There are now available only predefined presets the can be selected. It is no longer possible to set a specific value. Hence the expected cloud properties are now specified., including PBL value.

- Some icons corrected and updated

V1.0.0:

- First App-Store release

V0.3.0:

- Firmware info dialog added inside app setting

- Setting to activate/deactive Status-LED removed

V0.2.0:

- Small bugfixes

- Added Pulse-Frequency measurement

- Minimum sum of height and thickness restricted to 300m

V0.1.0:

- First Version