Siemens SIMATIC CP 340 - Page 166

Connecting Cables
B.1 RS 232C interface of the CP 340–RS 232C
PtP coupling and configuration of CP 340
166 Manual, 04/2011, A5E00369892-03
In the following
On the following pages you will find examples of connecting cables for a point-to-point
connection between the CP 340-RS 232C and S7 modules or SIMATIC S5.
RS 232C connecting cables (S7 (CP 340) - S7 (CP 340/CP 441))
The figure below illustrates the connecting cable for a point-to-point connection between a
CP 340 and a CP 340/CP 441.
For the connecting cables you require the following female connectors
● At the CP 340 end: 9-pin D-sub socket contact with screw interlock
● At communication partner: 9-pin D-sub socket contact with screw interlock
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7[' 5 [' 
576 &76 
&76 576 
'65 '75 
'75 '65 
*1' *1' 
&3
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/,<&<[
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5HFHLYHU
6HQGHU
6HQGHU
5HFHLYHU
&DVLQJVKLHOG &DVLQJVKLHOG
Figure B-1 RS 232C connecting cable CP 340 - CP 340/CP 441