Appendix B: SDI-12 Protocol...............................................................................177
B
.1 SDI-12 Electrical Interface..................................................................................177
B.1.1 SDI-12 Communications Protocol...............................................................177
B.1.2 SDI-12 Timing................................................................................................177
Appendix C: CRC-16 Computation................................................................... 17
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C.1 Encoding the CRC as ASCII Characters........................................................... 179
C.2 NMEA 0183 v3.0 Checksum Computation......................................................180
Appendix D: Wind Measurement Averaging Method................................181
Appendix E: Factory Configurations...............................................................183
E.1 General Unit Settings.........................................................................................183
E.2
Wind Configuration Settings............................................................................183
E.3 PTU Configuration Settings..............................................................................184
E.4 Rain Configuration Settings..............................................................................185
E.5 Supervisor Settings............................................................................................185
Appendix F: Connecting External Sensors to WXT536...........................187
F.1 Connecting Ultrasonic Level Sensor to WXT536............................................18
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F.2 Connecting Pyranometer to WXT536.............................................................190
F.3 Connecting Resistance Temperature Sensor..................................................194
F.4 Connecting Rain Gauge to WXT536................................................................197
Appendix G: Complete Set of Accessories...................................................199
Appendix H: Configuration Parameters........................................................203
Inde
x............................................................................................................................... 211
Warranty.......................................................................................................................217
R
ecycling......................................................................................................................217
T
echnical Support.....................................................................................................217
WXT530 Series User Guide M211840EN-D
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