WAC155 specifications - WAC155

WAC155 User Guide
Product status
Document code
M210822EN
Revision
F
ft:locale
en-US
Product
WAC155
Document type
User guide
Table 1. WAC155 measurement performance
Property Description/Value
Averaging interval

3 s (selectable range 0.25 … 5 s)
Updating interval 0.25 s
Wind speed
Observation range 0 … 75 m/s (0 … 168 mph)
Observation frequency 4 Hz
Resolution 0.1 m/s
Wind direction
Observation range 0 … 360°
Observation frequency 32 Hz
Resolution 1 2.0°
Table 2. WAC155 inputs and outputs
Property Description/Value
Input operating voltage 9 … 31.5 V
Input operating current (incl. both sensors)

Power-save enabled: 7 mA typically at 24 V

Power save disabled: 37 mA typically at 24 V
Heating control, WA15 On at 3 °C (37 °F) / Off at 5 °C (41 °F), adjustable
Input heating voltage, WA15

16 … 24 V DC or V AC rms with 1 or 2 sensors in parallel

32 … 48 V DC or 32 … 43 V AC rms with 2 sensors in series
Input heating current

1.0 A typically at 20 V with 1 or 2 sensors in parallel

0.5 A typically at 40 V with 2 sensors in series
Heating for WA25 Passed by with expansion connector
Sensor operating power 11.5 V / 20 mA typical per sensor (peak current)
Power save duty cycle

510 us wide pulses at 32 Hz to wind vane

75 us wide pulses at 2.5 kHz to anemometer
Signal input

6‑bit parallel GRAY code (0.5/10.5 V typical) from wind vane

0 … 750 Hz square wave (0.5/10.5 V typical) from anemometer
Data output 2‑wire half-duplex RS‑485, 9600 8N1 2
Service interface RS‑232 or RS‑485
Message protocol NMEA 0183, MWV, and MWV Query
Table 3. WAC155 operating environment
Property Description/Value
Operating temperature −55 … +60 °C (−67 … +140 °F)
Storage temperature −60 … +70 °C (−76 … +158 °F)
Operating humidity 0 … 100 %RH
IP rating IP65
Table 4. WAC155 mechanical specifications
Property Description/Value
Weight 1.5 kg (3.3 lb)
Material Aluminum
Dimensions
Crossarm and junction box (W × H × D) 887 × 165 × 157 mm (34.92 × 6.50 × 6.18 in)
Junction box (W × H × D)

Without cable glands: 127 × 82 × 58 mm (5.00 × 3.23 × 2.28 in)

With cable glands: 127 × 110 × 58 mm (5.00 × 4.33 × 2.28 in)
Printed circuit board (W × H) 114 × 68.5 mm (4.49 × 2.70 in)
Figure 1. WAC155 dimensions
Table 5. WAC155 compliance
Property Description/Value

Compliance marks

 CE, China RoHS, RCM
Table 6. WAC155 spare parts
Spare part Order code
Component board for WAC155 WAC155CB
Crossarm and serial RS-485 transmitter WAC155
Sensor cable for WAA151/252 0.8 m (31.5 in), open lead on one end (6 wires), connector 230118 on other end ZZ45036
Sensor cable for WAV151/252 0.8 m (31.5 in), open lead on one end (10 wires), connector 230119 on other end ZZ45037
Special length sensor cable for WAA151/252, open lead on one end (6 wires), connector 230118 on other end ZZ45036SPEC
Special length sensor cable for WAV151/252, open lead in one side (10 wires) and connector 230119 in another side ZZ45037SPEC
Connector WAA151, WAA252 230118
Connector WAV151, WAV252 230119
1 Gained by averaging the eight samples in each 0.25‑second period.
2 Adjustable rate: 300 … 19200, 7/8, O/E/N, 1/2.