In extreme weather conditions, ice or snow accumulation may cause a temporary wind
observation blackout even when heating is enabled.
8.2 Electrical Specifications
Table 61 WMT700 Electrical Specifications
Property Description/Value
Operating voltage
9 ... 36 VDC (absolute maximum 40 VDC)
1)
Heating voltage
24 ... 36 VDC (absolute maximum 40 VDC)
1)
Heating power supply requirement
No heating 1.50 W at 24 V
Heated transducers
31.50 W at 24 V (peak 40 W)
2)
Heated transducers and arms
151.50 W at 24 V (peak 200 W)
2)
Heated transducers, arms, and body
251.50 W at 24 V (peak 350 W)
2)
1) In maritime environments, the normal input voltage ranges are: operating voltage 10 … 30 VDC (-10% … +30%) and
heating voltage 24 … 30 VDC (-10% … +30%), as defined in the maritime standard IEC 60945.
2) The actual power consumption depends on the temperature.
Table 62 WMT700 Output Specifications
Property Description/Value
Readout update interval Maximum 4 Hz
Units available m/s, knots, mph, km/h, V, mA, Hz
Operating mode Automatic message or poll mode
Virtual temperature Celsius degrees
Digital outputs
Communication interfaces COM1: RS‑485
COM2: RS‑485, RS‑422, RS‑232, SDI‑12
Communication profiles WMT700, WS425 ASCII, NMEA Standard and
Extended (version 0183), SDI-12 (version 1.3), WS425
ASOS, ROSA - MES12, Customized
Bit rate 300, 1200, 2400, 4800, 9600, 19200, 38400, 57600,
or 115200
Available averages Maximum 3600 s
WMT700 User Guide M211095EN-H
174
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