Vaisala FD12P Betriebsanweisung PDF herunterladen (Seite 8)

User's Guide _______________________________________________________________________

______________________________________________________ M210296en-A

Figure 15 Wiring the Connector for the LM11 Background Luminance

Meter ........................................................................................ 49

Figure 16 Wiring the Day/Night Photo Switch.......................................... 50

Figure 17 Communication Option ............................................................ 51

Figure 18 RS-485 Communication Option ............................................... 52

Figure 19 Wiring the Modem.................................................................... 53

Figure 20 Analog Current Loop Option .................................................... 55

Figure 21 FD12P Optical System............................................................. 96

Figure 22 FDT12B Transmitter Block Diagram ........................................ 97

Figure 23 FDR12 Receiver Block Diagram.............................................. 98

Figure 24 DRI21 Block Diagram in the FD12P Application.................... 100

Figure 25 DRD12 Block Diagram........................................................... 101

Figure 26 FDP12 Control Unit Block Diagram ....................................... 102

Figure 27 Optical Raw Data (in Rain) .................................................... 103

Figure 28 Optical Signal Amplitude Distribution (in Rain) ...................... 104

Figure 29 DRD12 Surface Signal (Heavy Rain Beginning).................... 104

Figure 30 Precipitation Type Determination Principle............................ 109

Figure 31 Assembling the FDA13 Calibrator.......................................... 122

Figure 32 DTS14 Sensor Holder Assembly to Mast .............................. 125

Figure 33 Removing the Optical Units ................................................... 127

Figure 34 Replacing the Optical Units.................................................... 128

Figure 35 Removing the DRD12 Rain Detector ..................................... 129

Figure 36 Basic Electronics Enclosure Wiring ....................................... 148

Figure 37 Test Points, Transmitter......................................................... 151

Figure 38 Test Points, Receiver ............................................................. 152

List of Tables

Table 1 Manual Revisions..................................................................... 12

Table 2 Related Manuals ...................................................................... 12

Table 3 Basic Set .................................................................................. 23

Table 4 Options..................................................................................... 23

Table 5 Mains Cable Selection ............................................................. 35

Table 6 Communication Cable Lengths................................................ 35

Table 7 Transmit Frequencies of the DMX21 Modem Board ............... 53

Table 8 LED Indicators of the DMX21 Modem ..................................... 54

Table 9 Manual Controls of the DMX21 Modem................................... 54

Table 10 Default Communication Settings.............................................. 57

Table 11 Commands for Changing the Default Settings ........................ 57

Table 12 Commands for Displaying and Changing the Parameters ...... 57

Table 13 Settings and Corresponding Commands................................. 60

Table 14 Routine Command for Maintenance ........................................ 60

Table 15 Status Report Command ......................................................... 60

Table 16 Transmitter Status Correspondence between MITRAS and

FD12P ...................................................................................... 67

Table 17 Receiver Status Correspondence between MITRAS and FD12P67

Table 18 HELP Command Sets.............................................................. 70

Table 19 Commands for Displaying or Setting Weather Analysis

Parameters............................................................................... 73

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 153 154

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