Siemens Simatic S7-300 CP 341 User Manual page 238

Connecting cables
B.3 X27 (RS 422/485) Interface of the CP 341-RS 422/485
Connecting cable X 27 (S7 (CP 341) - CP 544, CP 524, CPU 928B, CPU 945, CPU 948)
The figure below illustrates the connecting cable for a point-to-point connection between a
CP 341 and a CP 544, CP 524, CPU 928B, CPU 945, CPU 948 for RS 422 mode.
For the connecting cables you will require the following male connectors:
● On the CP 341 side: 15-pin sub D male connector with screw-locking
● On the communication partner: 15-pin sub D male connector with clip fixing
Figure B-15
238
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X27 connecting cable CP 341 - CP 544, CP 524, CPU 928B, CPU 945, CPU 948 for
RS 422 mode (four-wire)
CP 341 Point-to-Point Communication, Installation and Parameter Assignment
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Manual, 09/2008, A5E02191071-01