Campbell Scientific CSAT3B CSAT3B Three-Dimensional Sonic Anemometer - Page 29

Communications, Power Requirements

Page 29 highlights

CSAT3B Three-Dimensional Sonic Anemometer Internal Monitor Measurements Update Rate: Inclinometer Accuracy: Relative Humidity Accuracy: Board Temperature Accuracy: 2 Hz ± 1 ° ± 3% over 10 − 90% range ± 7% over 0 − 10% range ± 7% over 90 − 100% range ± 2 °C 6.2 Communications SDM: Used for datalogger-based data acquisition. Bit Period: Cable Length: Address Range: Bus Clocks per Sample: 10 µs to 1 ms 7.6 m (25 ft) max @ 10 µs bit period 76 m (250 ft) max @ 1 ms bit period 1 - 14 ~200 CPI: Used for datalogger-based data acquisition. Baud Rate: Cable Lengthi: Address Range: Bus Clocks per Sample: 50 kbps to 1 Mbps 15 m (50 ft) max @ 1 Mbps 122 m (400 ft) max @ 250 kbps 853 m (2800 ft) max @ 50 kbps 1 - 120 ~300 RS-485: Used for anemometer configuration or PC-based data acquisition. Baud Rate: Cable Length: Bus Clocks per Sample: 9.6 kbps to 115.2 kbps 305 m (1000 ft) max @ 115.2 kbps 610 m (2000 ft) max @ 9.6 kbps ~500 (ASCII formatted) USB: Used for anemometer configuration or PC-based data acquisition. Connection Speed: Cable Length: USB 2.0 full speed 12 Mbps 5 m max 6.3 Power Requirements Voltage Requirement: 9.5 - 32 Vdc Current Requirement (10 Hz Measurement Rate) Current @ 12 Vdc: 110 mA Current @ 24 Vdc: 65 mA Current Requirement (100 Hz Measurement Rate) Current @ 12 Vdc: 145 mA Current @ 24 Vdc: 80 mA i For additional details, refer to CSI whitepaper "Designing Physical Network Layouts for the CPI Bus" 19

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CSAT3B Three-Dimensional Sonic Anemometer
Internal Monitor Measurements
Update Rate:
2 Hz
Inclinometer Accuracy:
± 1 °
Relative Humidity Accuracy:
± 3% over 10
90% range
± 7% over 0
10% range
± 7% over 90
100% range
Board Temperature Accuracy:
± 2 °C
6.2
Communications
SDM:
Used for datalogger-based data acquisition.
Bit Period:
10
µ
s to 1 ms
Cable Length:
7.6 m (25 ft) max @ 10
µ
s bit period
76 m (250 ft) max @ 1 ms bit period
Address Range:
1 – 14
Bus Clocks per Sample:
~200
CPI:
Used for datalogger-based data acquisition.
Baud Rate:
50 kbps to 1 Mbps
Cable Length
i
:
15 m (50 ft) max @ 1 Mbps
122 m (400 ft) max @ 250 kbps
853 m (2800 ft) max @ 50 kbps
Address Range:
1 – 120
Bus Clocks per Sample:
~300
RS-485:
Used for anemometer configuration or PC-based data acquisition.
Baud Rate:
9.6 kbps to 115.2 kbps
Cable Length:
305 m (1000 ft) max @ 115.2 kbps
610 m (2000 ft) max @ 9.6 kbps
Bus Clocks per Sample:
~500 (ASCII formatted)
USB:
Used for anemometer configuration or PC-based data acquisition.
Connection Speed:
USB 2.0 full speed 12 Mbps
Cable Length:
5 m max
6.3
Power Requirements
Voltage Requirement:
9.5 – 32 Vdc
Current Requirement (10 Hz Measurement Rate)
Current @ 12 Vdc:
110 mA
Current @ 24 Vdc:
65 mA
Current Requirement (100 Hz Measurement Rate)
Current @ 12 Vdc:
145
mA
Current @ 24 Vdc:
80 mA
i
For additional details, refer to CSI whitepaper “Designing Physical Network Layouts for the CPI
Bus”
19