Doc# E107706 11- 2
Electro Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
11: Meter with Internal Network Option
The Internal Network Option of the Nexus® meter is an extremely versatile communi-
cations tool. The Internal Network Option:
• Adheres to IEEE 802.3 Ethernet standard using TCP/IP
• Utilizes simple and inexpensive 10/100BaseT wiring and connections
• Plugs into your network using built-in RJ45 jack
• Is programmable to any IP address, subnet mask and gateway requirements
• Communicates using the industry-standard Modbus/TCP and DNP LAN/WAN
protocols.
With the Internal Network Option, the Nexus® 1250/1252 meter’s Port 2 becomes a
“gateway” that allows access to additional Nexus® meters via the LAN. Simply con-
nect a daisy chain of Nexus® meters together via RS485, each with its own device
address and using the same baud rates. With this option, you can access any of those
instruments via the single LAN connection.
The Internal Network Option allows multiple simultaneous connections (via LAN) to
the Nexus® meter. You can access the meter with SCADA, MV90 and RTU simultane-
ously.
The Internal Network Option allows multiple users running Communicator EXT
TM
soft-
ware to access the meter concurrently.
11.2: Network Connection
Use Standard RJ45 10/100BaseT cable to connect with the Nexus® meter. Insert the
RJ45 line into the RJ45 Port on the face of a Nexus® 1250/1252 meter with the Inter-
nal Network Option.
Set the IP Address using the following steps: (Refer to Section 13.1.5 of the Commu-
nicator EXT
TM
4.0 and MeterManager EXT Software User Manual for more detailed
instructions.)
1. From the Device Profile screen, double-click General Settings> Communica-
tions, then double-click on any of the ports. The Communications Settings screen
opens.
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