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Introduction
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Gateway Overview
The Communications Gateway is the central component for a residential
power monitoring system. The Gateway communicates with Xantrex GT
Solar Inverters and XW Hybrid Inverter/Chargers and transmits a unified
view of system performance to a computer-based power monitoring
application.
On one side, the Gateway directly communicates with a Xantrex inverter
using Xanbus™, a CAN-based network communication protocol
developed by Xantrex. The Gateway converts Xanbus messages to
Modbus messages, and transmits the converted inverter performance data
for monitoring. On the other side, the Gateway’s WiFi/Ethernet module
provides an interface to monitor system performance on a personal
computer. Computer-based monitoring can be performed on your Local
Area Network or using the Internet from any location.
The Gateway features include a standard plug-in WiFi/Ethernet module
with 10/100 Base-T or 802.11b/g, and:
•
Embedded web services to support Yahoo! Widgets. Xantrex provides
a Solar Monitor Widget to display data transmitted by the Gateway.
•
Embedded web page for configuring the Gateway and upgrading
device firmware.
The Gateway logs and transmits performance data such as:
•
Power system energy production
•
Individual inverter energy production
•
Energy production history—daily, weekly, monthly
•
Inverter faults.
To view this production data, you must install the Xantrex Solar Monitor
Widget and configure the Gateway to communicate with your computer
or computer network. Other means of viewing Gateway-transmitted data
will be available from Xantrex in the future. For more information about
Gateway data storage, see “History Data Storage” on page A–2.
Note:
The Gateway provides performance data only from the time it is
connected to your power system. The Gateway cannot be calibrated to match
existing power production totals for a power system that has been operating
without a Gateway. When connected to an existing power system, the Gateway
power production totals will differ from the totals displayed by older inverters
or devices in the system.
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