Siemens S7-200 Driver
Channel Properties — Serial Communications
Serial communication properties are available to serial drivers and vary depending on the driver, connection
type, and options selected. Below is a superset of the possible properties.
Click to jump to one of the sections: Connection Type, Serial Port Settings or Ethernet Settings, and
Operational Behavior.
Note: With the server's online full-time operation, these properties can be changed at any time. Utilize
the User Manager to restrict access rights to server features, as changes made to these properties can
temporarily disrupt communications.
Connection Type
Physical Medium: Choose the type of hardware device for data communications. Options include COM
Port, None, Modem, and Ethernet Encapsulation. The default is COMPort.
l None: Select None to indicate there is no physical connection, which displays the Operation with no
Communications section.
l COM Port: Select Com Port to display and configure the Serial Port Settings section.
l Modem: Select Modem if phone lines are used for communications, which are configured in the
Modem Settings section.
l Ethernet Encap.: Select if Ethernet Encapsulation is used for communications, which displays the
Ethernet Settings section.
l Shared: Verify the connection is correctly identified as sharing the current configuration with another
channel. This is a read-only property.
Serial Port Settings
COM ID: Specify the Communications ID to be used when communicating with devices assigned to the
channel. The valid range is 1 to 9991 to 16. The default is 1.
Baud Rate: Specify the baud rate to be used to configure the selected communications port.
Data Bits: Specify the number of data bits per data word. Options include 5, 6, 7, or 8.
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