Siemens SIMATIC CP 340 - Page 179

Connecting Cables
B.2 20 mA TTY interface on the CP 340-20mA-TTY
PtP coupling and configuration of CP 340
Manual, 04/2011, A5E00369892-03
179
20mA-TTY connecting cable (S7 (CP 340) - CPU 944/AG 95)
The figure below illustrates the connecting cable for a point-to-point connection between a
CP 340 and a CPU 944/AG 95.
For the connecting cables you will require the following male connectors:
● At the CP 340 end: 9-pin sub D male connector with screw-locking
● At communication partner: 15-pin sub D male connector with shift latch
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Figure B-13 20mA-TTY connecting cable CP 340-CPU 944/AG 95