Basic Principles of Serial Data Transmission
2.8 Configuration data
CP 341 Point-to-Point Communication, Installation and Parameter Assignment
Manual, 09/2008, A5E02191071-01 87
2.8.3 Configuration data of the ASCII Driver
Using the parameter assignment data of the ASCII driver, you can adjust the communication
processor to suit the properties of the communication partner.
Parameter assignment data of the ASCII driver
With the CP 341: Point-to-Point Communication, Parameter Assignment parameter
assignment interface, you specify the parameters for the physical layer (layer 1) of the ASCII
driver. You will find a detailed description of the parameters below.
Section "Assigning Parameters to the Communications Protocols (Page 118)" describes how
to enter the parameter assignment data using the CP 341: Point-to-Point Communication,
Parameter Assignment parameter assignment interface.
X27 (RS 422/485) interface
Note the following with reference to the X27 (RS 422/485) interface:
Note
In the case of the CP 341-RS 422/485 module variant, the ASCII driver can be used in four-
wire mode (RS 422) and two-wire mode (RS 485). During parameter assignment, you must
specify the type of interface (RS 422 or RS 485).
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