Campbell Scientific 0871LH1 Freezing Rain Sensor Owner Manual

Campbell Scientific 0871LH1  Freezing Rain Sensor Owner Manual
INSTRUCTION MANUAL
0871LH1
Freezing Rain Sensor
201
Copyright © 20
Campbell Scientific (Canada)Corp.
1
2
3
4
5
6
7
8
9
9.1
9.2
10
10.1
10.2
10.3
1
2
3
4
5
6
7
8
9
10
............................................................................................................................................... 2
................................................................................................................................................ 2
............................................................................................................. 2
....................................................................................................................................... 4
.............................................................................................................................. 6
................................................................................................................. 7
.............................................................................................................................. 7
..................................................................................................................... 7
.................................................................................................................................................. 8
0871LH1CBL-L Wiring for Discrete Output ................................................................................ 8
0871LH1CBL-L Wiring for RS422 Output .................................................................................. 9
.............................................................................................................................. 10
CR1000 Example – Discrete Outputs ...................................................................................... 10
CR23X Example – Discrete Outputs ........................................................................................ 11
CR1000 Example – RS422 Outputs ........................................................................................ 13
....................................................... 20
................................................................................................................................. 20
................................................................................................................. 20
.............................................................................................................. 20
..................................................................................................... 21
...................................................................................................................... 22
................................................................................................................... 22
.......................................................................................................................... 23
....................................................................................................... 24
......................................................................................... 25
1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
1.10
1.11
2
3
3.1
.................................................................................................... 26
Microcontroller .......................................................................................................................... 27
Watchdog/Reset Circuit ............................................................................................................ 27
Serial EEPROM ........................................................................................................................ 27
Probe Oscillator ........................................................................................................................ 27
Heater Control .......................................................................................................................... 27
Drive Coil .................................................................................................................................. 28
Feedback Coil .......................................................................................................................... 28
Heater ....................................................................................................................................... 28
DC Power Supply ..................................................................................................................... 28
Status Output ........................................................................................................................... 28
Ice Signal Output ...................................................................................................................... 28
.................................................................................................................... 29
................................................................................................................. 30
Input/Output Pin Designations.................................................................................................. 30
1
1
2
3
2
Ultrasonic Vibrating Probe
40KHz Nominal
Drive Coil
Magnet
Feedback Coil
Probe Heater
Termination
3
Strut Heaters
4
q
q
4
q
q
5
5
6
6
7
8
7
9
8
9
10
10
11
12
13
14
15
16
17
18
19
1
2
3
4
x
x
20
x
x
x
5
21
6
7
x
x
x
x
x
x
x
x
x
22
8
23
9
24
10
25
1
26
27
:
28
Ω
2
29
3
30
Campbell Scientific (Canada) Corp. | 14532 131 Avenue NW | Edmonton AB T5L 4X4 | 780.454.2505 | www.campbellsci.ca
AUSTRALIA | BRAZIL | CANADA | COSTA RICA | FRANCE | GERMANY | SOUTH AFRICA | SPAIN | UNITED KINGDOM | USA
Was this manual useful for you? yes no
Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Download PDF

advertisement