2 programming, Programming – Campbell Scientific P2546A-L Anemometer User Manual
Page 14
P2546A-L Anemometer
TABLE 7-1. Connections to Campbell Scientific Dataloggers
Pulse Channels
Color
Wire Label
CR800
CR850
CR5000
CR3000
CR1000
CR510
CR500
CR10X
21X
CR7
CR23X
White Signal
Pulse Pulse Pulse
Brown Signal
Reference
G
Clear Shield
G
TABLE 7-2. Connections to Campbell Scientific Dataloggers
Control Ports
Color
Wire Label
CR800
CR850
CR5000
CR3000
CR1000
CR10X
White Signal
C1-C8 C6-C8
Brown Signal
Reference
5V
5V
Clear Shield
G
7.2 Programming
This section is for users who write their own programs. A datalogger program
to measure this sensor can be created using Campbell Scientifics’ Short Cut
Program Builder software. You do not need to read this section to use Short
Cut.
Wind speed is typically measured an a datalogger pulse channel. The P2546A
uses the CRBasic PulseCount() instruction configuring the pulse channel for
switch closure with frequency counting. For dataloggers programmed with
EDLOG, specify configuration code 22 to output frequency in Hertz.
The expression for wind speed (U) is:
U = MX + B
where
M = multiplier
X = number of pulses per second (Hertz)
B = offset
8
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