Siemens Simatic S7-300 CP 341 - Page 230

Connecting cables
B.2 20 mA TTY interface on the CP 341-20mA-TTY
CP 341 Point-to-Point Communication, Installation and Parameter Assignment
230 Manual, 09/2008, A5E02191071-01
20mA-TTY connecting cable (S7 (CP 341) - S7 (CP 340/ CP 341/CP 441))
The figure below illustrates the connecting cable for a point-to-point connection between a
CP 341 and a CP 340/CP 341/CP 441.
For the connecting cables you will require the following male connectors:
● On the CP 341 side: 9-pin sub D male connector with screw-locking
● On the communication partner: 9-pin sub D male connector with screw-locking
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Figure B-8 20mA-TTY connecting cable CP 341 - CP 340/CP 341/CP 441
The cable is available under the order number (6ES7902-2...) specified in appendix
Accessories and order numbers (Page 239).
Note
This cable type (LIYCY 4 x 0.14) can be used in the following lengths for the CP 341 as
communication partner: max. 1000 m at 9600 baud, max. 500 m at 19.2 kbaud.
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