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5.6.2: Hardware Connection
There are three cables to connect for the INP202 Option. An RS485 Gateway cable, an RJ-45
Ethernet cable and an RJ-11 Modem cable are inserted into the cables coming from the back of the
Nexus® meter with the INP202 Ethernet/Modem Option. Refer to Figure 6.2 for details on cables.
To make the software connection, use the following steps.
1. Using Port 1 or Port 4 (RS485 connection), connect a PC to the meter. An RS232/RS485
Converter may be required (Example: Electro Industries' Unicom 2500).
2. Double click on Communicator EXT Software to open it.
3. Click the Quick Connect or the Connection Manager icon in the icon tool bar. Click the Serial
Port button. Make sure data matches the meter, then click Connect.
Set the Network Settings using the following steps:
(Refer to Section 4.3.5 of the Communicator EXT User Manual for more details).
1. From the Device Profile menu, click General Settings>Communications>one of the ports.
You will see the Device Profile Communications Settings screen.
2. In the Network Settings section, enter data provided by your systems manager:
IP Address:
Subnet Mask:
Default Gateway:
Computer Name:
After the Network parameters are set, Communicator EXT will connect to the meter via the
Network using a Device Address of "1" and the assigned IP Address. Follow these steps:
1. Double click on the Communicator EXT icon to open the software.
2. Click the Connect icon in the icon tool bar. You will see the Connect screen.
3. Click the Network button at the top of the screen. The screen will change to one requesting the
following information:
Device Address:
Host:
Network Port:
Protocol:
4. Click the Connect button at the bottom of the screen. Communicator EXT connects to the
meter via the Network.
3. For the Modem connection, follow the instructions in Section 5.4.
NOTE: Nexus® meters do not support web pages, email, FTP, or DHCP communication.
e
Electro Industries/GaugeTech
10.0.01
(Example)
255.255.255.0 (Example)
0.0.0.0
(Example)
NETWORK
(Example)
1
IP Address (per your network administrator).
Example: 10.0.0.1
502
Modbus TCP
Doc # E151701
5-24
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