Vaisala WMT52 Manuel d'utilisateur Page 56
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User’s Guide ______________________________________________________________________
54 ___________________________________________________________________M210925EN-B
Service Cable Connection
The USB Service Cable has a snap-on connector for the M8 connector
of the service port. The service cable connection is recommended for
checking and changing the device settings. When making the changes,
use the Vaisala Configuration Tool or a standard PC terminal program.
The USB service cable is included in the Service Pack 2, see Table 18
on page 118. For a picture of the service cable, see Figure 5 on page 19.
When you connect the USB service cable between the service connector
and PC USB port, the service port settings are forced automatically to
RS-232 / 19200, 8, N, 1. At the same time, the main serial port at M12
connector and at screw terminals is disabled.
1. Make a connection between the USB port of your PC and the M8
service port connector on the bottom plate of the sensor by using
the USB service cable. See Figure 3 on page 18.
2. Open the Vaisala Configuration Tool, or a terminal program.
3. Select the COM port that has been reserved for the USB cable, and
select the following default communication settings:
19200, 8, N, 1.
4. Use the Vaisala Configuration Tool or a terminal program to make
the desired configuration changes. When working with a terminal
program, see section Communication Setting Commands on page
56.
5. When removing the service cable, support the sensor while pulling
on the snap-on connector. The connection is tight, and it is possible
to change the alignment of the sensor if you pull too hard.
NOTE
Changes in the serial interface/communication protocol/baud settings
take place when disconnecting the service cable or when resetting the
sensor.
If these settings are not changed during the service connection session,
original main port settings (at M12 and screw terminals) are returned,
as soon as the service cable is disconnected from either end.
- USER'S GUIDE 1
- Table of Contents 3
- CHAPTER 5 4
- CHAPTER 6 4
- CHAPTER 7 4
- CHAPTER 8 5
- CHAPTER 9 5
- CHAPTER 10 5
- CHAPTER 11 5
- APPENDIX A 6
- APPENDIX B 6
- APPENDIX C 6
- APPENDIX D 6
- APPENDIX E 6
- List of Figures 7
- List of Tables 9
- GENERAL INFORMATION 11
- General Safety Considerations 12
- Feedback 13
- ESD Protection 13
- Recycling 13
- Trademarks 14
- License Agreement 14
- Regulatory Compliance 14
- Warranty 15
- PRODUCT OVERVIEW 17
- Heating Function 18
- 0803-041 19
- 0803-029 20
- 0804-007 22
- FUNCTIONAL DESCRIPTION 25
- 0.5 L 1 t 26
- Heating (Optional) 27
- INSTALLATION 29
- Selecting the Location 30
- 0806-005 31
- 0803-043 33
- 0803-044 35
- 0803-042 35
- Marine Grounding Jumper 37
- Aligning the WMT52 38
- Wind Direction Offset 39
- WIRING AND POWER MANAGEMENT 41
- Heating Voltage 42
- External Wiring 44
- Internal Wiring 45
- 0803-035 46
- Data Communication Interfaces 48
- Power Management 49
- CONNECTION OPTIONS 53
- Connection cables 54
- Service Cable Connection 56
- Connector or Screw Terminal 57
- Checking the Current 58
- Communication Settings (aXU) 58
- Changing the Communication 61
- Settings (aXU) 61
- GETTING THE DATA MESSAGES 63
- General Commands 64
- Reset (aXZ) 64
- Measurement Reset (aXZM) 65
- ASCII Protocol 66
- Abbreviations and Units 66
- Device Address (?) 66
- Wind Data Message (aR1) 68
- Supervisor Data Message (aR5) 69
- Combined Data Message (aR) 70
- Composite Data Message Query 70
- Polling with CRC 71
- Automatic Mode 72
- Automatic Composite Data 73
- Message (aR0) 73
- SDI-12 Protocol 73
- Address Query Command (?) 74
- Change Address Command (aAb) 75
- CRC (aMC) 78
- CRC (aCC) 79
- Send Data Command (aD) 80
- Examples of aM, aC and aD 81
- Commands 81
- Continuous Measurement (aR) 82
- NMEA 0183 V3.0 Protocol 84
- MWV Wind Speed and Direction 85
- XDR Transducer Measurement 87
- B = 11, a = 36, b = 37 etc.) 88
- TXT Text Transmission 93
- SENSOR AND DATA MESSAGE 97
- SETTINGS 97
- Wind Direction 100
- Changing the Settings (aWU) 101
- Supervisor Message 103
- Checking the Settings (aSU) 103
- Setting Fields 104
- Changing the Settings (aSU) 105
- Composite Data Message (aR0) 106
- MAINTENANCE 109
- Vaisala Service Centers 110
- TROUBLESHOOTING 111
- Self-Diagnostics 113
- Error Messaging/Text Messages 113
- Wind Sensor Heating Control 115
- Operating Voltage Control 115
- Technical Support 115
- TECHNICAL SPECIFICATIONS 117
- Table 13 Inputs and Outputs 118
- Table 14 Operating Conditions 118
- Table 16 Materials 119
- Table 17 General 119
- Options and Accessories 120
- Dimensions 121
- 0505-211 122
- Communication Protocol 124
- RS-485 Serial Interface 124
- ASCII, Polled 125
- NMEA 0183 v3.0, Query 126
- Query Commands 128
- SDI-12 PROTOCOL 131
- SDI-12 Timing 133
- CRC-16 COMPUTATION 135
- WIND MEASUREMENT AVERAGING 137
- 0710-044 138
- General Unit Settings 140
- Wind Configuration Settings 140
- Supervisor Settings 141
- *M210925EN* 143
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