Contents

WeatherLink for Alarm Output
- Addendum
Introduction
Hardware Installation and Requirements
- Note: Due to its normal operation, this product will draw more current from the console and Envoy than in typical use. Davis recommends you use the power adapter provided with your product if you are concerned about battery life. Additionally, you ca...
Software Installation and Setup
- Installing the Software
- Running the Configuration Software
- Finding the Correct Serial Port
  - Note: If you have more than one streaming data logger connected to your system, it is highly recommended that you manually set the Com Port and Baud Rate.
- Logger Type
- Time Out Period
  - Note: Once communications with WeatherLink software are initiated and successful, the streaming data logger will be unable to communicate with the Streaming Data Utility until the Time Out Period expires. If you need to communicate to the logger with...
- Station Configuration
  - Note: If you have a Vantage Vue or Vantage Pro2 set to Vantage Pro. (The Alarm Output data logger makes no distinction between Vantage Pro2, Vantage Pro or Vantage Vue.) If you have a Vantage Pro2 Plus, set to Vantage Pro Plus.
- Units
  - Note: Wind chill, dew point, degree-days, and temperature indexes are all displayed in the same unit of measure as temperature.
- Output Test.
- Alarm Logging
- Advanced
  - Note: This description of this dialog box is valid for Streaming Data Utility versions 1.2.0 included with WeatherLink 5.7.1 or later.
- Delay on Release
- Delay on Reactivation
- Pulse Width
- Alarm Activation
- Circuit Behavior
  - Note: This command only affects the output tab that is currently selected.
- Default
- Output
  - 1. A user wants to activate a fan to bring in cooler outside air to passively cool their house. This affect only works if the temperature outside is 5F lower than the inside temperatures. Additionally, you don't want to cool your house if the insid...
  - 2. A user wants to activate the sprinkler system when the Daily ET exceeds the Daily Rainfall by 0.05": IF Daily ET Minus Daily Rain IS Greater Than or = 0.05; DONE.
  - 3. A user wants to activate environmental controls whenever the temperature outside differs from the inside temperature by 20F or more. Whether it is hotter or colder outside does not matter, but if the inside temperature is between 68F and 72F...
- Clear
- Contact Specifications
  - Nominal Load Voltage: 28 V AC or 48 V DC, Maximum Peak Voltage: 60 V, Maximum
  - Load Current: 1.8 A, continuous Maximum at 77F (25C),
  - derated to 0.7 A at 185F (85C)
  - ON Resistance: 0.12 Ohm, Maximum
    - Note: Upon power up (powering the console or Envoy), the data logger will briefly test all four outputs by closing the circuit (turning on the output). It is recommended that you disconnect any equipment attached to the data logger outputs before reb...

Davis WeatherLink 6544 Getting Started Guide

Davis WeatherLink 6544 Data Logger manual cover

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Davis WeatherLink 6544 Data Logger Specification

The Davis WeatherLink 6544 Data Logger is a sophisticated device designed for precise data collection and management from a range of Davis weather stations. It provides seamless integration with Davis Instruments, enhancing the monitoring and analysis capabilities of meteorological data. This data logger is engineered to interface directly with the console of a Davis weather station, capturing a wide array of meteorological data points, including temperature, humidity, wind speed, and barometric pressure. Its robust memory capacity allows the storage of detailed weather data at user-defined intervals, ensuring comprehensive data retention and historical analysis.

The WeatherLink 6544 is equipped with a convenient USB interface for easy data transfer to a PC, facilitating extensive data analysis, graphing, and reporting through compatible software. This connectivity ensures real-time data monitoring and the ability to generate insightful weather reports. Its compatibility with third-party applications further extends its utility, enabling integration into broader environmental monitoring systems.

The logger is designed for durability and reliability, capable of operating in varied environmental conditions. User-friendly installation and configuration processes make it accessible for both amateur weather enthusiasts and professional meteorologists. The WeatherLink 6544's versatility is underscored by its ability to support a range of Davis weather sensors, making it suitable for diverse applications, from home weather observations to agricultural and commercial meteorological data collection.

Overall, the Davis WeatherLink 6544 Data Logger stands out as a vital tool for detailed and efficient weather data management, offering robust performance, extensive compatibility, and user-centric design to cater to a wide array of meteorological data needs.

Davis WeatherLink 6544 Data Logger F.A.Q.

How do I connect the Davis WeatherLink 6544 Data Logger to my computer?

To connect the Davis WeatherLink 6544 Data Logger to your computer, use the USB or serial cable provided. Install the WeatherLink software on your computer, then connect the data logger to the weather station and your computer using the cable.

What should I do if my Davis WeatherLink 6544 Data Logger is not recording data?

Ensure that the data logger is securely connected to the weather station. Check the battery level and replace if necessary. Verify that the data logger is correctly configured in the WeatherLink software.

How can I reset the Davis WeatherLink 6544 Data Logger?

To reset the data logger, remove the batteries, disconnect it from the weather station, wait for a few minutes, then reconnect and reinstall the batteries.

What is the maximum data storage capacity of the Davis WeatherLink 6544 Data Logger?

The Davis WeatherLink 6544 Data Logger can store up to 2560 records, depending on the logging interval set in the WeatherLink software.

How do I change the logging interval on the Davis WeatherLink 6544 Data Logger?

Open the WeatherLink software, go to the setup menu, and select the data logger settings. From there, you can change the logging interval to your preferred time frame.

Can the Davis WeatherLink 6544 Data Logger be used with multiple weather stations?

No, the Davis WeatherLink 6544 Data Logger is designed to work with a single weather station at a time. You would need additional data loggers for multiple stations.

How do I update the firmware on my Davis WeatherLink 6544 Data Logger?

Check the Davis Instruments website for firmware updates. If available, follow the provided instructions to download and install the update using the WeatherLink software.

What types of data can the Davis WeatherLink 6544 Data Logger record?

The data logger can record various types of meteorological data such as temperature, humidity, wind speed, wind direction, and rainfall, depending on the sensors connected to the weather station.

Why is my Davis WeatherLink 6544 Data Logger not communicating with the weather station?

Ensure that the data logger is properly connected to the weather station. Check for any physical damage to the cables and connectors. Also, verify if the weather station is powered on and functioning correctly.

How do I export data from the Davis WeatherLink 6544 Data Logger to a CSV file?

Open the WeatherLink software, select the data you wish to export, and choose the export option. Follow the prompts to save the data as a CSV file on your computer.