Vaisala FD12P manuels

Vaisala FD12P Guide de l'utilisateur (154 pages)

marque: Vaisala | Catégorie: Mesure, test et contrôle | Taille: 1.62 MB |

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Table des matières

USER'S GUIDE

1

Table of Contents

3

CHAPTER 4

4

CHAPTER 5

5

CHAPTER 6

6

List of Figures

7

List of Tables

8

GENERAL INFORMATION

11

Version Information

12

Related Manuals

12

General Safety Considerations

12

ESD Protection

15

Trademarks

16

Warranty

16

PRODUCT OVERVIEW

17

0201-085

18

Sensing Elements

19

Electronics Enclosure

20

Structural Elements

20

Operating Principle

21

Using FD12P

22

Equipment Nomenclature

23

Specifications

24

Mechanical Specifications

24

Electrical Specifications

24

Optical Specifications

25

Capabilities and Limitations

26

Visibility Measurement

26

Environmental Specifications

27

INSTALLATION

29

Location and Orientation

30

0110-178

31

Equipment Grounding

32

0111-001

33

Internal Grounding

34

Grounding Remote Units and

34

Communication Cable

34

Cable Selection

35

Line Power Cabling

35

Unloading and Unpacking

36

Unpacking Procedure

36

Storage Information

36

Installation Procedures

37

Constructing the Foundation

37

Mounting When Casting the Pad

38

0110-180

39

Assembling the FD12P

40

Sensor to the Mast

41

0201-088

42

Connecting Cables

43

9509-011

44

0110-183

45

0110-184

46

0205-006

47

Day/Night Switch to FD12P

48

Luminance Meter

49

Communication Options

50

9509-013

51

Modem DMX21

52

Originate Mode Answer Mode

53

TXD 0 1 0 1

53

CCITT 1180 980 1850 1650

53

Analog Transmission

55

Startup Testing

56

Initial Settings

56

OPERATION

59

Markings Used in This Manual

61

OPEN Command

61

CLOSE Command

62

Automatic Message Sending

62

Message Types

63

Message 0

64

Message 1

64

Message 2

65

Message 3

65

Message 4

66

Messages 5 and 6

66

Message 7

68

Message Polling

69

FD12P Command Set

70

HELP Command

70

MES Command

71

AMES 1 60 ↵

72

AMES 0 0 ↵

72

Weather Related Commands

73

PRW Command

77

CLRS Command

78

WHIS Command

78

System Configuration Commands

79

CONF Command

80

CONF. PASSWORD (4 CHARS MAX)

81

ANALOG OUTPUT RANGE

83

MAX VISIBILITY ( 10000)

83

MIN VISIBILITY ( 50)

83

END OF CONFIGURATION

83

BAUD Command

84

BLSC Command

84

Maintenance Commands

85

CAL Command

87

TCAL Command

87

CLEAN Command

88

CHEC Command

89

FREQ Command

89

DRY and WET Commands

89

AN Command

90

Analog Output Commands

91

Data Scaling

92

Hardware Check

92

Other Commands

93

RESET Command

94

FUNCTIONAL DESCRIPTION

95

Optical Measurement

96

Optical Arrangement

96

FDT12B Transmitter Unit

96

9611-002

97

FDR12 Receiver Unit

98

Additional Measurements

99

DRD12 Rain Detector

100

DTS14B Temperature Sensor

101

FDP12 Control Unit

101

9611-004

102

Measurement Signal Processing

103

Optical Signal Processing

103

DRD12 Signal Processing

104

Visibility

105

Algorithm Description

105

Detecting Precipitation

106

Precipitation Intensity

106

Precipitation Accumulation

107

Present Weather

108

0201-092

109

Visibility Types

111

Weather Classes

112

Applications

113

Internal Monitoring

114

Built-in Tests

114

Memory Tests

115

Signal Monitoring

115

Hardware Monitoring

115

Contamination Monitoring

116

MAINTENANCE

117

Cleaning

118

Cleaning Lenses and Hoods

118

Cleaning DRD12 Rain Detector

118

Calibration

119

Visibility Calibration

119

Calibration Check Procedure

120

0201-087

122

Calibration Procedure

123

1 = Sensor holder

125

3 = Fixing screw

125

Removing and Replacing

126

0110-187

127

0110-189

129

Replacement

130

TROUBLESHOOTING

133

Message Missing

134

Visibility Value is Missing

135

There Is None

136

FD12P Reports Frozen

136

Precipitation during Rain

136

Have Jumper Settings Been

137

Changed?

137

Getting Help

140

Return Instructions

140

NWS AND WMO CODES USED IN

143

JUMPER SETTINGS AND INTERNAL

147

CPU Board

149

DC-Regulator

149

DRI21 Interface Board

149

TRANSMITTER AND RECEIVER TEST

151

Table 42 Receiver Test Points

152

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