14
III-7-2. Digital output (RS-422)
Digital signals are output from the external output terminal at a rear panel.
Digital output terminal
. Signal system
: RS-422
. Requirements
: Transmission speed 300, 1200, 2400, 4800, 9600, 14400, 19200 bps
* Initial setting 19200 bps
Data length 8 bit
Start bit 1 bit
Stop bit 1 bit
Parity None
Flow control None
. Transmission duration: 0.25, 0.5, 1, 5, or 10 sec. * Initial setting 1 sec.
. Transmission format : ASCII code
Dummy signal STX WDSA30, A, Instantaneous wind direction, B, Instantaneous wind speed, C,
Instantaneous maximum wind speed, D, Instantaneous minimum wind speed, E, Mean wind
direction, F, Mean wind speed, G, Mean maximum wind speed, H, Mean minimum wind speed, J,
Operation status, K, Monitoring of DC power input, EXT BCC (2 bytes) CR LF
Dummy signal
: 00H(h)
STX
: 02H
Instantaneous wind direction:
: XXX (0 to 359°)
Instantaneous wind speed:
: XX.X (0.0 to 99.9 m/s)
Instantaneous max. wind speed:
: XX.X (0.0 to 99.9 m/s)
Instantaneous max. wind speed within the lap time of the latest 10 or 2 min, updated in
every 5 seconds
Instantaneous minimum wind speed
: XX.X (0.0 to 99.9 m/s)
Instantaneous min. wind speed within the lap time of the latest 10 or 2 min, updated in
every 5 seconds
Mean wind direction
: XXX (0 to 359°) * Mean time 10 or 2 min.
Mean wind speed
: XX.X (0.0 to 99.9 m/s)* Mean time 10 or 2 min.
Mean maximum wind speed
: XX.X (0.0 to 99.9 m/s)
Mean max. wind speed within the lap time of the latest 10 or 2 min, updated in every
5 seconds
Mean minimum wind speed
: XX.X (0.0 to 99.9 m/s)
Mean min. wind speed within the lap time of the latest 10 or 2 min, updated in every
5 seconds
Operation status (Status signal)
: XX (3030(h) to 3F3F(h))
RS-422 serial signal
Wind Speed
Wind Direction
(0-90m/s)
(0-540deg)
