FTS 21216, Руководство по эксплуатации

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Contents
1.1 APPROPRIATE USE ..................................................................................................................................... 1
1.2 GENERAL SAFETY INSTRUCTIONS ............................................................................................................ 1
2.1 CHANGING UNITS ...................................................................................................................................... 2
2.2 RADAR CALIBRATION ................................................................................................................................ 3
2.3 FUNCTIONAL PRINCIPLE ........................................................................................................................... 3
2.3.1 MEASUREMENT THROUGH CONTAINERS ..................................................................................... 3
2.3.2 RAIN AND WIND ............................................................................................................................... 4
2.3.3 INTERFERENCE AND MULTIPLE RADARS ....................................................................................... 4
2.3.4 FOGGING AND EVAPORATION ........................................................................................................ 4
2.3.5 REFLECTIONS .................................................................................................................................... 4
2.3.6 RELATIVE MEASUREMENT ............................................................................................................... 5
3.1 CONNECTOR PIN-OUT AND WIRING ....................................................................................................... 7
3.2 SDI-12 INTERFACE ...................................................................................................................................... 8
3.3 SERIAL RS-232 INTERFACE ........................................................................................................................ 8
3.4 SERIAL RS-484 INTERFACE ........................................................................................................................ 8
3.5 ANALOG 4-20 mA OUTPUT ....................................................................................................................... 8
4.1 SITE SELECTION ........................................................................................................................................ 10
4.2 INSTALLATION POSITION ........................................................................................................................ 11
5.1 COMMUNICATION INTERFACES ............................................................................................................. 12
5.1.1 BAUD RATE ...................................................................................................................................... 12
5.1.2 DEVICE ID ......................................................................................................................................... 12
5.1.3 MODBUS PARITY ............................................................................................................................ 13
5.1.4 MODBUS STOP BITS ....................................................................................................................... 13
5.1.5 4-20 mA PARAMETERS ................................................................................................................... 14
5.2 PROCESSING PARAMETERS .................................................................................................................... 14
5.2.1 FILTER TYPE ..................................................................................................................................... 14
5.2.2 FILTER LENGTH ............................................................................................................................... 15