WAT12 specifications - WAT12

WAT12 User Guide

Document code
M210309EN
Revision
B
Language
English (United States)
Product
WAT12
Document type
User guide
Table 1. Operating environment
Property Description/Value
Operating temperature –55 ... +55 °C (-67 ... +131 °F)
Storage temperature –60 ... +70 °C (-76 ... +158 °F)
Operating humidity 0 ... 100 %RH
Table 2. Inputs and outputs
Property Description/Value
Input operating power 12 ... 28 VDC, 30 mA
Output sensor power On-board regulated to 10.7 VDC typically
Signal input from sensors
Wind direction 6-bit parallel GRAY code (optionally 7 bits)
Wind speed Pulse frequency 0 ... 750 Hz
Output signals
2 analog current loops 1 for direction, 1 for speed
Highside drivers; the loops return to the common signal and power ground
Typical loop driving voltage 10 V
Output accuracy > 1 % of full scale
Loop current options (jumper selectable)

0 ... 5 mA

1 ... 5 mA

0 ... 10 mA

2 ... 10 mA

0 ... 20 mA

4 ... 20 mA

Max. loop resistance (including cable resistance and receiver's input resistance)

5 mA loop: 1800 Ω

10 mA loop: 900 Ω

20 mA loop: 450 Ω

Full-scale options (jumper selectable)

For direction: 0 ... 360° / 0 ... 540°

For speed: 0 ... 51.2 m/s (0 ... 115 mph) / 0 ... 76.8 m/s (0 ... 172 mph)

Signal cable Min. 4 wires (Vin+, Vin–, DOP, SOP)
Table 3. Mechanical specifications
Property Description/Value
EMC compliance EN 61326-1, Basic electromagnetic environment
Mounting To Ø 60 mm (2.36 in) pole mast
Weight 1.5 kg (3.31 lb)
Dimensions
PC board 114 × 69 mm (4.49 × 2.72 mm)
Junction box (H × W × D) 80 × 125 × 57 mm (3.15× 4.92 × 2.24 in)
Cross arm length 800 mm (31.50 in)
Materials
Cross arm Anodized aluminum
Junction box Aluminum, painted grey
Figure 1. Dimensions in mm (inches)
Table 4. Compliance
Property Description/Value

Compliance marks

CE