The CP 342-5 offers all the advantages of SIMATIC S7-300 system design:

• Compact design;
  single standard width of the SM modules of the SIMATIC S7-300
• 9-pin Sub-D socket for connection to PROFIBUS
• 4-pin terminal block for connecting the external supply voltage of 24 V DC
• Simple assembly;
  The CP 342-5 is mounted on the S7-300 DIN rail and connected to adjacent modules by means of the bus connectors. Slots 4 to 11 in subracks 0 to 3 (coupled through the IM 360/361) can be used for the CP 342-5
• In combination with IM 360/361, the CP 342-5 can also be used in an expansion rack (ER)
• User-friendly wiring;
  Sub-D socket and the terminal block are easily accessible.
• The CP 324-5 can be operated without a fan;
  a back-up battery or a memory module is not required