Communicating through a gsm/gprs modem – SATEC EM720 Operation Manual User Manual
Page 54
Chapter 4 Using PAS Software
Setting up Communications
54
EM720 Power Quality and Revenue Meter
4. In the “Protocol” box, select the communications
protocol for the TCP port. The meter provides
Modbus/TCP connections on TCP port 502 and
DNP3/TCP connections on port 20000. 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
waits for a connection before announcing an error and
the number of retries PAS uses to receive a response
from the device if communications fail.
Communicating through a GSM/GPRS Modem
You should use Windows Dial-Up networking to access the
EM720 via your wireless GSM/GPRS modem.
See your local GSM/GPRS modem manual and Windows help
on how to create a new Dial-Up PPP connection for your GPRS
modem.
Configuring a Dial-up GPRS Connection
To communicate through a GPRS modem:
1. On the Instrument Setup tab, select Internet Site.
2. Click on the Connection tab.