Campbell Scientific CS475, CS476, and CS477 Radar Water Level Sensor - Manual (Page 6)

Table of Contents
8.1.2 Check Unit Response ................................................................. 22
8.1.3 Check for Valid Data.................................................................. 22
8.1.4 Cyclic Redundancy Check ......................................................... 23
8.1.4.1 Check CRC for Valid Data .............................................. 23
8.1.5 Get Units .................................................................................... 24
8.1.6 Get Water Conditions................................................................. 24
8.1.7 Get Power Operation Mode........................................................ 24
8.2 Diagnostics and Repair...................................................................... 25
8.2.1 No Measured Value Available — Error E013............................ 25
8.2.2 No Measured Value Available — Error E041, E042, E043....... 25
8.2.2.1 Exchange Electronics Module ......................................... 25
8.3 Maintenance ...................................................................................... 27
Appendices
A. Replacing the Cable................................................A-1
B. SDI-12 Commands/ Changing Settings.................B-1
B.1 SDI-12 Command Descriptions....................................................... B-3
B.1.1 Start False Echo Learn ............................................................. B-3
B.1.2 Set Water Stage ........................................................................ B-3
B.1.3 Query/Set the Address.............................................................. B-3
B.1.4 Set Units ................................................................................... B-4
B.1.5 Set Water Conditions ............................................................... B-4
B.1.6 Set Power Operation Mode ...................................................... B-5
B.2 Using Terminal Emulator and a Datalogger to Send Commands.... B-6
B.2.1 SDI-12 Transparent Mode........................................................ B-6
B.2.2 CR200(X) Series Datalogger Example .................................... B-7
B.2.3 CR1000 Datalogger Example................................................... B-8
B.2.4 CR10X Datalogger Example.................................................... B-9
B.2.5 CR10X-PB Table-Based Datalogger Example....................... B-10
C. FCC/IC Equipment Authorization (USA/Canada
only) .......................................................................C-1
Figures
4-1. Polarization markings (see TABLE 4-4 for label descriptions)........... 4
5-1. CS475, CS476, and CS477.................................................................. 9
5-2. Components and hardware (see TABLE 5-1 for description of
labels)............................................................................................. 10
6-1. Reference line for measurement range .............................................. 11
6-2. CS475 dimensions............................................................................. 13
6-3. CS476/CS477 dimensions ................................................................. 14
8-1. Changing the electronics (see TABLE 8-5 for label descriptions) .... 27
A-1. Connecting the instrument housing (see TABLE A-1 for
description of labels).................................................................... A-2
B-2. SDI-12 transparent mode on CR200(X)-series datalogger using
control port C1/SDI12 and changing SDI-12 address from
0 to 1 ............................................................................................ B-7
B-3. SDI-12 transparent mode on CR1000 datalogger using control
port 1 and changing SD1-12 address from 3 to 1......................... B-8
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