Campbell-scientific SR50-L CSC Ultrasonic Distance Sensor Uživatelský manuál stáhnout pdf (Strana 15)

SR50 Sonic Ranging Sensor

TABLE 1. SR50 SDI-12 Command List

CR10X and SDI-12 FUNCTION DATA OUTPUT

CR23X P105 COMMANDS

Parameter 2 When using

Options non-Campbell

Loggers

0 aM First Target (Meters) D1

1 aM1 First Target (Meters) D1,Q1

with Quality Number

2 aM2 Multiple Targets (Meters) D1,D2,D3

3 aM3 Multiple Targets (Meters) D1,D2,D3,Q1,Q2,Q3

with Quality Numbers

4 aM4 First Target (Feet) D1

5 aM5 First Target (Feet) D1,Q1

with Quality Number

6 aM6 Multiple Targets (Feet) D1,D2,D3

7 aM7 Multiple Targets (Feet) D1,D2,D3,Q1,Q2,Q3

with Quality Numbers

8 aM8 First Target (Meters) D1

No Retries

N/A aD0 Send Data DEPENDENT UPON

COMMAND SENT

10 aV Start Verification calculates NUMERIC SIGNATURE

ROM Signature

aI Send Identification 012CAMPBELLSR50 1.1

NOTE: There are 2 spaces between SR50 and 1.1

0-- aC Concurrent Measurement* D1

n-- aCn Concurrent Measurements* Same as M – M8

Where a = address of SDI-12 device.

Where n = numbers 1 to 8.

* = see APPENDIX A for details about Concurrent Measurements.

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 37 38

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Campbell-scientific SR50-L CSC Ultrasonic Distance Sensor Uživatelský manuál Strana 15