Vaisala MAWS201 User's Guide Page 172
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User's Guide _______________________________________________________________________
170 __________________________________________________________________ M210243en-A
with 5 % accuracy. The charger is protected against reverse input
voltage and temperature. In addition, it has internal reverse current
blocking to facilitate using solar cells without a blocking diode.
The MAWS charger is capable of handling 6 V lead batteries from 1.2
Ah up to 24 Ah. Due to its limited current capability, it cannot quick
charge larger than 6 Ah batteries.
Power Supply and Battery Types
Battery Sensing
When QML102 first starts or resets, it tries to sense the battery type
that is connected to its internal battery connector (4-pin header
connector at PCB near POWER connector). This connector has two
sense pins that are used by charger software to automatically detect
the type of the connected battery.
External Power Supply
The external DC supply is always connected to POWER connector
pins +ExtDC and GND. The external power supply can be either
regulated or unregulated DC supply (8 ... 30 V) or a solar cell if
internal battery is present. To avoid excessive heating, 8 ... 16 V is
recommended.
The required current capability depends considerably on the MAWS
configuration. If there are no optional sensors or other add-ons (radios,
modems, etc.) that require constant powering and measurement
intervals are long (1 minute or more for humidity, temperature, and
pressure), even a few dozen milliamperes are enough to keep the
system alive and slowly charge the battery. If there is no internal
battery, then at least 200 mA capability is recommended to avoid
resetting due to possible current peaks. If the quickest possible battery
charging is required, then a 1A power supply is recommended.
NOTE
The condition, when external DC supply is used without an internal
battery, is automatically detected. In this case, the charger sets its
output voltage to 9.9 V to enable maximum efficiency and minimum
current consumption from supplies of 12 VDC or higher.
- USER'S GUIDE 1
- Table of Contents 3
- CHAPTER 3 4
- CHAPTER 4 5
- CHAPTER 5 6
- List of Figures 8
- GENERAL INFORMATION 13
- ESD Protection 16
- Version Information 17
- Related Manuals 17
- Warranty 18
- PRODUCT OVERVIEW 19
- MAWS201 Mobile AWS 20
- 9809-001 21
- Product Nomenclature 22
- MAWS Software 23
- Operating Software 23
- Lizard Setup Software 24
- MAWS Terminal 24
- QML102 AWS Logger 25
- Memory Expansion Board 26
- (Optional) 26
- Power Supplies 27
- Internal Battery 28
- Solar Panels 28
- Mains Power Supplies 29
- 0201-006 30
- 0201-007 30
- 0105-016 35
- 0106-041 38
- 0105-029 40
- Communication Modules 42
- SATELLINE 3AS Radio Modem 44
- Masts for MAWS101 45
- Sensor Arm 46
- Carry Case Sets 46
- 0201-013 47
- 0201-014 47
- INSTALLATION 49
- Unpacking Instructions 50
- Siting the Station 50
- Humidity 51
- Precipitation 52
- Solar Radiation 52
- Soil Temperature 52
- Soil Moisture 53
- Water Level 53
- Fuel Moisture 54
- 0201-017 55
- 0201-018 55
- 0201-020 57
- 0201-021 57
- 0201-022 57
- Installing MAWS101 to a Mast 59
- On DKP102 59
- 0201-026 60
- 9908-003 62
- 9910-015 62
- Assembling the Tripod 65
- Installing Power Supply 66
- Installing Solar Panel 66
- 0201-028 67
- 0201-029 67
- 9806-016 69
- 9901-009 69
- 0011-042 70
- 0201-032 72
- Installing Pressure Sensor 74
- Installing Wind Sensor 75
- 0201-034 76
- 9806-062 78
- 9901-010 78
- 0002-011 80
- 0201-037 82
- 9902-004 82
- Installing Soil Temperature 84
- 0106-039 85
- 0106-038 85
- 0105-087 87
- On the Wooden Surface 89
- To a Pole Mast 89
- To the Sensor Arm 90
- Finalizing the Installation 90
- 0201-040 91
- 0201-042 95
- 0105-077 97
- 0105-078 97
- QMT107 Probe Extraction 99
- Figure 94 Probe Extraction 100
- Packing Instructions 101
- OPERATION 103
- Taking MAWS into Use 104
- Aligning the MAWS201 Station 104
- Quick Start Instructions 105
- 0201-044 106
- MAWS Terminal Main Window 108
- 0105-041 109
- Preferences Window 110
- Opening MAWS Service 112
- Connection 112
- Service connection opened 113
- Giving Commands 114
- Modifying Station Settings 115
- 0105-053 116
- MAWS Configuration File 118
- Selecting Configuration File 118
- Uploading Configuration File 119
- Data Logging 120
- Log Data Format 122
- Controlling Logging 122
- Freeing Up Logging Space 123
- Working with Data Log Files 123
- 0105-046 124
- Browsing Downloaded Files 126
- 0105-049 127
- 0105-050 127
- Using External Memory Card 129
- Resetting MAWS 130
- Table 25 Command Set 131
- MAINTENANCE 135
- Overall Checking 137
- Sensors and Accessories 137
- Solar Panel 137
- Wind Sensor 137
- 0009-022 139
- Air Temperature and Relative 140
- Humidity Sensor 140
- Pressure Sensor 141
- Precipitation Sensors 142
- 9901-031 144
- 9901-033 146
- Soil Temperature Sensors 148
- Soil Moisture Sensor 149
- Water Level Sensors 149
- Leaf Wetness Sensor 150
- Fuel Moisture Sensor 150
- Cable Maintenance 150
- Spare Parts 151
- Available Spare Parts 151
- Ordering Spare Parts 151
- TROUBLESHOOTING 153
- The LASTVAL Command 154
- Software Operation 155
- System Information 157
- Connection Problems 158
- Commands 159
- Battery Status 160
- Power Supply 161
- Getting Help 161
- Return Instructions 162
- TECHNICAL DATA 163
- Figure 120 Connector Blocks 164
- Wiring Diagrams 165
- 9806-064 166
- 0201-048 168
- Connectors 171
- Battery Charging 171
- Battery Sensing 172
- External Power Supply 172
- Solar Cell 173
- Lead Batteries 173
- Primary Cells 174
- Normal Charging 174
- Quick Charging 175
- Float Charging 176
- Temperature Protection 176
- Specifications 177
- QML102 Logger 177
- Accessories 178
- QMP201C) 179
- (inside QMP201C) 180
- Wind Sensors 181
- Solar Radiation Sensors 182
- Communication Devices 188
- Block Diagrams 189
- GLOSSARY 191
- 2711.5TA2.1a15.0 +×−× 193
- QFE PA e 194
- QFF QFE e 195
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