6.0
6.5 Ethernet
CAUTION: Risk of Tampering
The GS-MPPT does not feature built-in network security. It is the responsibility of the
user or network administrator to place the GS-MPPT behind a network firewall to
prevent unauthorized access.
The Ethernet port supports HTTP, MODBUS TCP/IP
TM
, and NTP protocols to provide a fully web-
enabled interface between the GenStar MPPT and a LAN/WAN network or the internet. Use the
Ethernet connection to:
• View the LiveView web app - see Section 4.1.2 - from a PC or mobile device on the same
LAN/WAN
• Communicate with the GenStar MPPT via Modbus TCP/IP
This section provides a summary of each feature. For detailed information about Ethernet
connectivity and networking, refer to the, “Morningstar Communications Document”, on our
website at:
www.morningstarcorp.com
6.6 Network Information
Connect to the GenStar MPPT via an Ethernet network (LAN/WAN) or connect the controller
directly to a PC using an Ethernet cable. Use CAT-5 or CAT-5e twisted pair Ethernet cables with
RJ-45 connectors. A network diagram for both scenarios is shown in Figure 5-3 below.
Figure 6-2. Ethernet network diagrams
Ethernet
Cable
Factory Default Network Settings
DHCP
Enabled
LiveView Web Address
http:// serial number
1
IP
192.168.1.253 (if DHCP is not enabled)
Subnet
Mask
255.255.255.0
Gateway
192.168.1.1
Primary DNS Server
169.254.1.1
MODBUS TCP/IP
TM
Port 502
1
The LiveView web address is unique to each controller. If the GenStar MPPT serial number is
09501234, then the GenStar MPPT's LiveView address is: http://gsmppt09501234. For reference,
the LiveView web address is printed on the serial label on the side of the unit.
The controller’s MAC Address is located on the serial label on the side of the controller.
Two (2) LEDs on the Ethernet jack indicate link and activity status.
Condition
Green LED
Yellow LED
Network Connection OK
ON
OFF
Network Activity
ON
Blinking
Error
OFF
ON
6.7 Accessing LiveView Webpages
Connect the GenStar MPPT controller to the network using an Ethernet cable. Wait five to ten
minutes for the controller to connect to the network. Open a web browser on a PC or mobile
device on the network. Enter the LiveView web address in the address bar of the web browser.
LiveView webpages are context-aware and will properly format to the device's screen size.
Also see Configuration Section 4.1.2 for further details.
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GenStar MPPT
Networking and Communications
