Campbell CS475 Manuel télécharger pdf (Page 12)

CS475, CS476, and CS477 Radar Water Level Sensor

CS475 CS476/CS477

FIGURE 4-1. Polarization markings (see TABLE 4-4 for label

descriptions)

TABLE 4-4. Description of Polarization Markings Labels

Sensor Description

1 CS475 Polarization marks are designated by the mounting loop

screws.

2 CS476/CS477 Polarization mark is machine-tooled.

4.2 Step 2 — Do a False Echo Learn Command

The 25616, Adjustment/Display Module, or the terminal emulator

in LoggerNet or PC400 can be used to enter SDI-12 commands.

Appendix B.2, Using Terminal Emulator and a Datalogger to

Send Commands, describes entering commands using the

terminal emulator.

NOTE

Do a Start False Echo Learn command followed by a Send Data command

(see TABLE 4-4). To start false echo learn, do the aXSFEL+nnn.nnn!

command (where nnn.nnn = the actual distance to the water) followed by the

aD0! (Send Data) command. TABLE 4-5 shows an example of the command

and response.

Any echo occurring 0.5 m (1.6 ft) short of the distance you entered will be

considered noise.

Appendix B describes this command in further detail.

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Campbell CS475 Manuel Page 12