Advanced operations

This section describes several operations that may simplify your use of the wireless terminal.

Selecting a data plan

Prior to selecting a data plan, it is wise to consider your data transfer needs and what you wish to accomplish while accessing the instruments remotely. For example, do you want daily or weekly status reports on the overall performance of the system? Do you want to download raw eddy covariance data sets directly to your computer?

The typical raw data volume when logging compressed .ghg eddy covariance files is about 1 MB per half hour, or about 1.5 GB of raw data in 30 days. See Table 6‑1 for more details.

Table 6‑1. Suggested data volume for eddy covariance flux and soil CO₂ flux systems.

Sensors in System	Files to Transfer	Data Volume1 Actual data volume will vary depending on the instrument configuration, the number of configuration files sent to the instruments, and other factors. The values given here are assume 10 samples per second logging of the default variable set in an LI-7500RS.
Any configuration given below	Status Reports	<1 GB per month
CO2/H2O Eddy Flux System: Includes Sonic Anemometer and CO2/H2O gas analyzer.	Raw Data	<2 GB per month
CO2/H2O/CH4 Eddy Flux System: Includes Sonic Anemometer, LI-7700 and CO2/H2O gas analyzer.	Raw Data	<2.5 GB per month
CO2/H2O Eddy Flux System with Biomet Data: Includes Sonic Anemometer, Biomet Station, and CO2/H2O gas analyzer.	Raw Data	<3 GB per month
CO2/H2O/CH4 Eddy Flux System with Biomet Data: Includes Sonic Anemometer, Biomet System, LI-7700 and CO2/H2O gas analyzer.	Raw Data	<3.5 GB per month
LI-8100A Soil CO2 Flux System	Raw Data	<2 GB per month
Eddy Covariance Systems with an LI-8100A Soil CO2 Flux system	Raw Data	<4 GB per month

Recommended IP addresses

We recommend the IP addresses given in Table 6‑2. You are not bound to these, but they should work when following the instructions in this manual.

Table 6‑2. Suggested IP addresses for the PC and instruments in flux systems.

Sensor	Suggested IP Address
Personal Computer	(optional) 192.168.128.200
LI-7200x or LI-7500x	192.168.128.201
LI-7700	192.168.128.202
Biomet System	192.168.128.203
LI-8100A	192.168.128.204

Configure PC network communication

Note: This is only necessary when configuring the system. You'll do this when configuring the gateway the first time, or when connecting to it to change the configuration.

When connecting to a remote monitoring system you may need to configure your computer's network settings. The steps below describe how to do this with a Windows^® 7 PC. The steps may differ for other computers and operating systems. Consult with your IT department and operating system documents for more information.

1. Open the network window on your computer: Windows Start Button > Control Panel > View Network Status and Tasks > Connections.
2. Click Change adapter settings.
3. 
2. Double-click the Internet connection to bring up the Local Area Connection Status, then click Properties.
3. 
3. Select Internet Protocol Version 4 (TCP/IPv4), then click Properties.
4. 
5. If you need a dynamic IP address, select "Obtain an IP address automatically" and "Obtain DNS server address automatically," as shown on the left below. If you need a static IP address, select "Use the following IP address" and enter the IP address and Subnet mask as shown on the right below.

Dynamic IP Address	Static IP Address (Recommended)