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Chapter 4 Using PAS Software
Setting up Communications
EM720 Power Quality and Revenue Meter
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3. Click on the “IP address” and type in the IP address
your meter got from the GPRS provider when
registering on the GPRS network. You can find the
meter GPRS IP address on the GPRS page in the
Device Info display (see
in Chapter
3) or via the Dial-Up Networking setup dialog in PAS
(see Modem/GPRS IP Address in
4. In the “Protocol” box, select the communications
protocol for the EM720 GPRS TCP port. The host port is
set automatically as you select the protocol. Select
“Modbus RTU/TCP” for Modbus/TCP, or “DNP3” for
DNP3/TCP.
5. In the “Wait for answer” box, adjust the time that PAS
should wait for a connection before announcing an
error and the number of re-tries that PAS should use
to receive a response from the device if
communications fail.
6. In the “Connection” box, select the Dial-up connection
you created for the EM720. See Dial-Up Networking for
information on how to create a Dial-up connection in
Windows.
7. Check the AutoDial box, if you wish PAS to
automatically connect to your meter every time you
access it from PAS; otherwise you must manually dial
your connection.
Manual Dialing your Connection
To manually dial your GPRS connection:
1. Select your connection name from the Start menu ->
Settings -> Network and Dial-Up Connections.