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AVW200 series
Campbell AVW200 series User Manual
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AVW200-series 2-Channel
Vibrating Wire Spectrum
Analyzer Modules
Revision: 2/12
Copyright © 2008-2012
Campbell Scientific, Inc.
2
Table of Contents
Default Chapter
5
Table of Contents
5
1 Overview
9
Design Features
9
Specifications
11
Communication
11
Datalogger
11
Pakbus Protocol/Direct RS-232 Connection
12
Pakbus Protocol/Wireless Connection
12
Pakbus Protocol/Md485 Communication
12
Communication Mode
12
Computer
13
Device Configuration Utility
13
Loggernet
13
Terminal Commands
13
Use with Multiplexers
13
Figures
13
2 Measurements
15
Vibrating Wire
15
Cutaway of Vibrating Wire Sensor
16
AVW200 Measurement Outputs
17
Temperature
18
3 Quick Start Guides
19
One or Two Sensors (no Multiplexers)
19
Direct RS-232 Connection
19
Wireless Connection
20
Multiplexers Controlled by AVW200
22
Direct RS-232 Connection
22
Wireless Connection
23
Multiplexers Controlled by Datalogger
25
Communication
25
4 Connections
26
Sensor Wiring (no Multiplexers)
26
Power and Ground
27
Datalogger Wiring (Direct Connection)
28
Connection)
28
Ground Lug and Power Connectors on the AVW200
28
Datalogger to AVW200 Cable Options
28
Wireless Connections (AVW206, AVW211, AVW216)
29
AVW206 with Whip Antenna
29
Or Sc110'S DTE Cable Wiring
29
Multiplexer Wiring
30
AVW200 Controlling the Multiplexer
30
Datalogger to Spread Spectrum Radio Connections
30
Datalogger Controlling the Multiplexer
31
Example AM16/32-Series to AVW200 Hookup (Multiplexers Controlled by AVW200)
31
AM16/32B to AVW200 Hookup (Am16/32Bs Controlled by Datalogger and Using SDI-12)
32
5 Device Configuration (Devconfig) Utility
33
Connecting to Devconfig
33
Deployment Tab
34
Communications
34
Opening Page in Devconfig
34
Deployment Communications Editor in Devconfig
35
AVW206 Power Modes and the Recommended Corresponding RF401 Power Modes
36
Measurement
37
Data Monitor
38
Data Display/Public Table in Devconfig
38
Data Display/Status Table in Devconfig
39
Send os
40
Sending an Operating System Using Devconfig
40
Troubleshoot
41
Options Tab of the Troubleshoot Tool
42
Graphs for Evaluating Spectral Analysis of a Sensor
43
Settings Editor
44
Terminal
44
6 Programming
45
AVW200 Instruction
45
Pipeline Mode
49
Sequential Mode
49
Measurements
50
SDI12 Recorder() Instruction
50
SDI-12 Command Codes
51
Extended SDI-12 Commands
52
Use with Multiplexers
52
Figures
52
7 Example Programs
53
AVW200() Instruction (no Multiplexers)
53
Direct RS-232 Connection (Two Sensors)
53
Wiring for Example 7.1.1
53
Wireless/One Sensor/Resistance Converted to Temperature
54
AVW200() Instruction Controlling Two Multiplexers
55
Wiring for Example 7.2
55
AVW200( ) Instruction Running in the Pipeline Mode
56
Wiring for Example 7.3
56
AVW200( ) Instruction Running in the Sequential Mode
57
AVW200 Controlling Two Multiplexers in Sequential Mode
58
Datalogger Controlling Two Multiplexers in Sequential Mode
58
Wiring for Sequential Mode Examples
58
Example
59
SDI-12 Command Codes
60
8 Troubleshooting Communication Problems
62
Unable to Communicate with Devconfig or Terminal Emulator
62
Datalogger to AVW200 Communication
62
Wireless Communications
62
Conversion from Hertz
65
Displacement Example
65
A.1-1. Geokon Calibration Report
66
Thermistor Information
67
Converting Resistance to Temperature
67
Resistance Conversion Example
67
Accuracy and Resolution
67
B.2-1. Temperature Measurement Error at Three Temperatures as a Function of Lead Length
68
B.2-2. Temperature Measurement Error on a 1000 Foot Lead
69
B.2-3. Temperature Measurement Error on a 3000 Foot Lead
69
B.2-4. Temperature Measurement Error on a 5000 Foot Lead
70
Antennas, Antenna Cables, and Surge Protectors for the AVW206, AVW211, and AVW216
71
Antennas
71
C.1-1. some FCC Approved Antennas
74
Antenna Cables
75
Surge Protectors
75
Electrostatic Issues
75
C.1-3. Antenna Surge Protector
75
Antenna Surge Protector Kit
76
Part 15 FCC Compliance Warning
76
The Public Table
79
D-1. Description of the Public Table
79
Forced Measurement Program
82
Status Table
83
E-1. Status Fields and Descriptions
83
F. Time Series and Spectrum Graph Information
87
Good Sensor Examples
87
F.1-1. Good Sensor with a Narrower Range (200 to 2200 Hz)
88
F.1-2. Good Sensor with a Wider Range (200 to 6500 Hz)
88
Good Sensors with Noise
89
F.2-1. Good Sensor with Noise (600 to 1800 Hz)
89
F.2-2. Good Sensor with Noise (450 to 6500 Hz)
90
G. CR10X Programming Example
91
H. Additional Programming Examples
93
AVW200-Controlled Multiplexer
93
Direct RS-232 Connection
93
Wireless/Sensors with Different Frequencies
96
Datalogger-Controlled Multiplexer
99
Using MD485 Multidrop Modems with AVW200 Interfaces
105
Required Settings
105
I-1. Deployment Tab in Devconfig with Proper MD485 Configuration
105
I.2 Connections
106
I-2. Point-To-Point MD485-To-AVW200 Network
106
I-3. Point-To-Multipoint MD485-To-AVW200 Network
106
Datalogger to MD485
107
MD485 to MD485
107
I-4. MD485 and Its Connectors
107
Figures
107
MD485 to AVW200
108
Multiplexer Connections
108
Programming
108
Example Program
108
I-5. MD485-To-MD485 Connections and Grounding
108
5
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Campbell AVW200 series Specifications
General
Brand
Campbell
Model
AVW200 series
Category
Analytical Instruments
Language
English
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