Vaisala WAC155 - Manual (Page 58)

User's Guide ______________________________________________________________________
56 ___________________________________________________________________M210822EN-A
Table 12 Inputs and Outputs
Property Description/Value
Signal input:
wind direction
wind speed
6-bit parallel GRAY code
Pulse frequency 0 ... 750 Hz
Input operating power 9 ... 15.5 VDC, 8 mA typical incl. sensors
(when power-save mode is enabled)
Maximum operating power 50 mA (when power-save mode is disabled)
Input heating power 16 ... 24 VAC or VDC
32 ... 48 VAC or VDC can be used when
heating power is connected in series to both
sensors
Typical heating power 500 mA per sensor
Output signals RS-485 serial bus
Signal cable 4 wires minimum: VIN+, VIN-, RS-485 A(-),
RS-485 B(+)
Table 13 Operating Conditions
Property Description/Value
Temperature range:
operating
storage
-55 ... +55 °C
-60 ... +70 °C
Humidity 0 ... 100 %RH
Table 14 Dimensions and Mechanics
Property Description/Value
Dimensions:
printed circuit board
jucntion box
115 × 58 mm
2
125 (w) × 80 (h) × 57 (d) mm
Cross arm length 800 mm
Ingress protection IP65
Mounting To a Ø 60 mm pole mast
Weight 1.5 kg
Material:
cross arm
junction box
AI anodized
AI painted gray