Siemens Simatic S7-300 CP 341 - Figure 1-2 Bus Connector

Product Description
1.2 Design of the CP 341
CP 341 Point-to-Point Communication, Installation and Parameter Assignment
Manual, 09/2008, A5E02191071-01 21
Integrated interface
The CP 341 is available in three variants with different interface types:
● RS 232C
● X27 (RS 422/485)
● 20-mA-TTY
The interface type is indicated on the front of the CP 341. A detailed interface description
can be found in Section "Subsequent Loading of Firmware Updates (Page 123)".
Bus connector for the S7 backplane bus
A bus connector is supplied with the CP 341. The bus connector is inserted onto the rear
panel connector of the CP 341 during installation. The S7-300 backplane bus is connected
by means of the bus connector.
The S7-300 backplane bus is a serial data bus via which the CP 341 communicates with the
modules of the programmable controller.
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Figure 1-2 Bus connector
See also
Properties of the Serial Interface (Page 24)
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