Satec Expertmeter EM720 Operation Manual page 53

Chapter 4 Using PAS Software
EM720 Power Quality and Revenue Meter
2. Specify the baud rate and data format for the port.
Choose the same baud rate and data format as you
have set in the meter, and then click OK.
Selecting the Communications Protocol
1. On the Connection tab, click Protocol.
2. In the "Protocol"
communications protocol as you have set in your
device.
3. The remaining settings in this dialog do not
normally need to be changed.
4. In the "Response
maximum time that PAS should wait for the meter
response before
communicating through a GPRS modem, this time
may require some adjustment.
5. In the "Break Time-out" box, define the maximum
character idle time that PAS should wait after
receiving the last message character to close a
connection when using the Modbus RTU or DNP3
protocol. It
communications. If there are many applications
running on your PC, PAS might be prevented from
responding to received characters fast enough and
may close the communication while the device is
still transmitting. If you frequently receive the
"Communication error" message, try to increase
"Break Time-out". This time is added to the
Setting up Communications
box, select
Time-out"
announcing a
does not affect
the same
box, define the
failure. When
Modbus ASCII
53