Vaisala PWD22 - Page 7

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VAISALA ________________________________________________________________________ 5
List of Figures
Figure 1 PWD22/52 Present Weather Detector ..................................... 16
Figure 2 PWD22/52 Block Diagram ........................................................ 20
Figure 3 PWD22/52 Optical System ....................................................... 21
Figure 4 RAINCAP Block Diagram ......................................................... 23
Figure 5 PWL111 Block Diagram ........................................................... 26
Figure 6 LED Indicators on the PWC22/52 Board .................................. 27
Figure 7 Recommended Location of PWD22/52 Sensor. ...................... 32
Figure 8 Installing PWD22/52 on the Support Arm ................................ 35
Figure 9 Installing the Sensor on the Mast with Optional Mounting
Clamp ....................................................................................... 35
Figure 10 Testing the Connector .............................................................. 36
Figure 11 Cabling Principle ...................................................................... 38
Figure 12 Maintenance Cable .................................................................. 38
Figure 13 PWL111 Jumper Settings ......................................................... 39
Figure 14 Relay Connection: PWD22/52 Supplies ................................... 43
Figure 15 Relay Connection: External Relay Supply ............................... 44
Figure 16 Contents of Messages 0, 1, and 2 ........................................... 52
Figure 17 Analog Current Output Connection .......................................... 70
Figure 18 Analog Current Output Connection (External Current Source) 71
Figure 19 Assembling the Opaque Glass Plates ...................................... 87
Figure 20 Removing PWT11 .................................................................... 89
Figure 21 Opening Box Screws ................................................................ 90
Figure 22 Removing the PWC15PB Protection Board ............................. 91
Figure 23 Removing the PWC22/52 Board .............................................. 91
Figure 24 Removing the Rain Sensor ...................................................... 92
Figure 25 Jumpers and Connectors on the PWC22/52 Processor/
Receiver Board ....................................................................... 111
Figure 26 Removing Internal Temperature Sensor for Calibration ........ 116
Figure 27 Removing External Temperature Sensor for Calibration ....... 117