Using Modems And Step 7--Micro/Win With Your Network - Siemens SIMATIC S7-200 System Manual

S7-200 Programmable Controller System Manual
Using Modems and STEP 7- -Micro/WIN with Your Network
STEP 7--Micro/WIN version 3.2 or later uses the standard Windows Phone and Modem Options
for selecting and configuring telephone modems. The Phone and Modem Options are under the
Windows Control Panel. Using the Windows setup options for modems allows you to:
Use most internal and external
-
modems supported by Windows.
Use the standard configurations for
-
most modems supported by
Windows.
Use the standard Windows dialing
-
rules for selection of locations,
country and area code support,
pulse or tone dialing, and calling
card support.
Use higher baud rates when
-
communicating to the EM 241
Modem module.
Use the Windows control panel to
display the Modem Properties dialog
box. This dialog box allows you to
configure the local modem. You select
your modem from the list of modems
supported by Windows. If your modem
type is not listed in the Windows modem
dialog box, select a type that is the
closest match for your modem, or
contact your modem vendor to acquire contact your modem vendor to acquire
the modem configuration files for
Windows.
STEP 7--Micro/WIN also lets you use radio and cellular modems. These modem types do not
appear in the Windows Modem Properties dialog box, but are available when configuring a
connection for STEP 7--Micro/WIN.
Configuring a Modem Connection
A connection associates an identifying name with the physical properties of the connection. For a
telephone modem these properties include the type of modem, 10 or 11 bit protocol selections,
and timeouts. For cellular modems the connection allows setting of a PIN and other parameters.
Radio modem properties include selections for baud rate, parity, flow control and other
parameters.
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Figure 7-23 Configuring the Local Modem