User`s guide
Chapter 2 ___________________________________________________________ Product Overview 
Digital Communication Profile 
Ordering option 5, Digital Communication Profile, defines the 
communication protocol used for the sensor. WS425 options are 
usable and backwards compatible when replacing WS425 sensor 
with a WMT700 unit. MARINE and WIND TURBINE options 
are customer-specific profiles. 
Table 9  Digital Communication Profile 
Option 
Communication Profile 
0 
WMT70 - default mode  
9600, 8, N, 1  
Polled 
1 
WS425 - ASCII  
2400, 8, N, 1 
Polled 
2 
WS425 - NMEA Extended (v 0183)  
9600, 8, N, 1 
Auto send 1/s 
3 
WS425 - SDI-12 (v 1.3)  
1200, 7, E, 1 
Polled 
4 
WS425 - ASOS  
2400, 8, N, 1 
Polled 
5 
ROSA - MES12  
9600, 8, N, 1 
Polled 
6 
US AWOS - NMEA Standard  
2400, 8, N, 1 
Autosend 5/s 
7 
FAA - Federal  
9600, 8, N, 1 
Polled 
8 
AWS520 - NMEA Extended (v 0183) 
4800, 8, N, 1 
Auto send 1/s 
A 
MARINE1 (v 0183) 
4800, 8, N, 1 
Auto send 1/s 
B 
MARINE2 (v 0183) 
9600, 8, N, 1 
Auto send 1/s 
C 
WIND TURBINE1 (default) 
9600, 8, N, 1 
Polled 
D 
WIND TURBINE2 (v 0183) 
9600, 8, N, 1 
Auto send 1/s 
Digital Communication Units 
Ordering option 6, Unit Definition for Digital Communication, 
offers four different digital communication options. 
Table 10  Digital Communication Options 
Option 
Unit Used 
A 
Meters per second 
B 
Knots 
C 
Miles per hour 
D 
Kilometers per hour 
VAISALA ________________________________________________________________________ 25 










