Release Notes 2.15 - PWD - PWD10 - PWD12 - PWD20 - PWD20W - PWD22 - PWD50 - PWD52

PWD Series Present Weather Detectors and Visibility Sensors 2.15 Release Notes

Document code
M213198EN
Revision
A
ft:locale
en-US
Product
PWD
PWD10
PWD12
PWD20
PWD20W
PWD22
PWD50
PWD52
Document type
Release notes

This document lists the new features implemented in Vaisala PWD series sensors.

Sensor software update

Run the software update on your computer by using the command line interface (CLI) of the sensor with PWD Loader software included in the SW Update Package.

You can update new software on site. The most recent update package is available from Vaisala Technical Support helpdesk@vaisala.com.

Software version 2.15

Availability: 2024-12-05, all models

PWD10 v 2.15

PWD10 v 2.15TL

PWD12 v 2.15

PWD12 v 2.15TL

PWD20 v 2.15

PWD20 v 2.15W

PWD22 v 2.15

PWD22M v 2.15

PWD22Q v 2.15

PWD31 v 2.15

PWD32 v 2.15

PWD50 v 2.15

PWD52 v 2.15

  • Startup routine simplified. The measurement functionality of the device is not affected.

Software version 2.13

Availability:

PWD22 v 2.13 2021-11-04

PWD12 v 2.13 2021-11-05

  • Added features for PWD use as part of Vaisala Road Weather Station RWS200 with Vaisala Data Management Unit DMU703 software version 4.4.0 onwards.
    • Added a possibility to correct precipitation amounts and compensate for sensor contamination. Disabled by default.
    • Factory value of window clean value gets stored in the device for to be used by RWS200 as a reference value. The stored data is not used by PWD.
    • A new data message added for communicating with RWS200.

Software version 2.11

Availability: PWD52 v 2.11 2020-06-12

  • Past weather reporting added according to weather code table WMO 4531. Valid only for PWD52.
  • Added new message MES 9.
    Line MES 9 data elements
    Line 1

    MOR alarm

    Overall alert

    MOR, 1 minute average

    MOR, 10 minute average

    Precipitation type

    Present weather instant

    Present weather 15 min

    Present weather 60 min

    NEW Past weather

    Precipitation intensity

    Precipitation accumulation

    Snow accumulation

    Ambient temperature

    Background luminance
    Line 2 Present weather (METAR code)
    Line 3 Recent weather (METAR code)
    Line 4 Optional STATUS word

    An example of MES 9 content without Line 4. Every line ends with <CR><LF>.

    00 15256 10394  R- 61 61 61 66  0.16  46.82  443   0.3 /////<CR><LF>
    -RA<CR><LF>
    RERA<CR><LF>
    
    Line 1 details:
    Character number Field Sample Data element Value (Range)
    1 a 0 MOR alarm 0, 1, 2
    2 h 0 HW error (=1), HW Warning (=2) 0, 1, 2
    4-8 visii 15256 MOR (m), 1 minute average 0–99999
    10-14 visia 10394 MOR (m), 10 minute average 0–99999
    16-18 pty R- Precipitation type (NWS code)
    20-21 wi 61 Present weather instant (SYNOP) 0–99
    23-24 wa 61 Present weather 15 min (SYNOP) 0–99
    26-27 wh 61 Present weather 1 h (SYNOP) 0–99
    29-30 ww 66 Past weather 00–99
    32-37 iii.ii 0.16 Precipitation intensity (mm/h) 0.00–999.99
    39-44 aaa.aa 46.82 Precipitation accumulation (mm) 0.00–999.99
    46-49 ssss 443 Snow accumulation (mm) 0–9999
    51-55 ttt.t 0.3 Ambient temperature (°C) -99.9–99.9
    57-61 bbbbb ///// Background luminance (cd/m2) 0–99999
    62 <CR> <CR> Carriage return 0x0D
    63 <LF> <LF> Line feed 0x0A

Software version 2.10

Availability: PWD22 v 2.10 2020-06-12

  • The software occasionally switched off the +12 V heating output for a very short time. This has been fixed. The +12 V output stays continuously on.

Software version 2.09

Availability: PWD52 v 2.09 2016-04-11

  • Range extended from 35 km to 50 km.

Software version 2.08

Availability:

PWD22 v 2.08 2015-08-07

PWD52 v 2.08 2015-08-07

  • Polling mode communication robustness improvement

Software version 2.07

Availability:

PWD22 v 2.07 2013-06-03

PWD52 v 2.07 2013-06-04

  • METAR updated to comply with ICAO Annex 3, Amendment 73 (2010): In the recent weather field, showers are never reported for freezing rain or freezing drizzle:
    • RESHFZDZ is never reported, REFZDZ is reported instead.
    • RESHFZRA is never reported, REFZRA is reported instead.

Version 2.07 has been released only for PWD models reporting METAR (PWD22, PWD32 and PWD52).

All new features of version 2.06 are included in version 2.07 (also for PWD52).

Software version 2.06

Availability: PWD22 v 2.06 2012-06-27

  • WPAR parameters SYNOP HAZE LIMIT and METAR HAZE LIMIT added.

Version 2.06 has been released for PWD22 only.

PWD22 software version 1.09 (for old HW) also includes this feature.

Software version 2.05

Availability:

PWD10 v 2.05 2012-03-29

PWD20 v 2.05 2012-03-16

PWD50 v 2.05 2012-03-27

PWD12 v 2.05 2012-03-16

PWD22 v 2.05 2012-03-16

PWD52 v 2.05 2012-03-30

  • Support for new hardware (PWC15).
  • All features of version 1.08 (for models that did not have version 1.08).

Version 2.05 is based on version 1.08.

Version 2.05 does not include all features of version 1.09 (version 2.06 also includes the features of version 1.09).

Software version 1.09

Availability: PWD22 v 1.09 2012-06-27

  • WPAR parameters SYNOP HAZE LIMIT and METAR HAZE LIMIT added.

Version 1.09 has been released for PWD22 only.

Software version 1.08

Availability: PWD22 v 1.08 2009-10-15

  • Improvements in rain plate diagnostics, polling mode communication robustness, and background luminance calculation.
  • Other changes:
    • Day/night limit for luminance sensor adjusted to 10 (roughly corresponding to cd/m²).
    • METAR present weather codes updated according to latest annex 3: FZ left out of SHFZRASN. Instead, the sensor will now report SHRASN.