Siemens 9300 Benutzerhandbuch
9300 Series User’s Guide
Internal Modem Connections
Chapter 5 - Features and Applications
Page 115
Configuring the Comm 1 Communications Module in Designer
Launch Designer, and configure the Comm 1 communications module Baud Rate,
Unit ID, and Protocol setup registers to match your communications system.
Configure the initialization string for the internal modem using the ModemInit
register. Refer to “ModemInit Setup Register” on page 113.
Unit ID, and Protocol setup registers to match your communications system.
Configure the initialization string for the internal modem using the ModemInit
register. Refer to “ModemInit Setup Register” on page 113.
The ModemGate Protocol
The ModemGate feature creates a communications connection between the
telephone network and an RS-485 serial network of devices (loop or straight-line
topology). When you specify the protocol for the meter’s COM 1 port as
telephone network and an RS-485 serial network of devices (loop or straight-line
topology). When you specify the protocol for the meter’s COM 1 port as
MODEMGATE
, all data received by the meter’s internal modem is automatically
transferred to the serial network.
ModemGate is only available for the 9330 and 9350 meters, and it is only
configurable on the COM 1 port.
configurable on the COM 1 port.
Server computer that
communicates with the
remote modem. Ensure that
the server computer dialout
modem is configured.
Remote modem telephone
number
Telephone
Network
Meter with an
internal modem.
The serial network
is connected to
COM 1.
Workstation with
WinPM.Net and
modem
Each device on the RS-485 loop,
including the gateway meter’s internal
modem, must have a unique Unit ID
number.
All serial devices must operate at the
same baud rate as the gateway meter.