1.2 Components for a Point-to-Point Connection with the CP 340
Components for a Point-to-Point Connection with the CP 340
The PtP connection between the communication processor and a communication partner
requires specific hardware and software components.
Required Hardware Components
The table below describes the hardware components for a point-to-point connection.
Table 1- 3
Hardware Components for a Point-to-Point Connection with the CP 340
Power supply module (PS)
Central Processing Unit (CPU)
Standard Connecting Cable
... provides the mechanical and electrical
connections of the S7–300.
... converts the line voltage (120/230 VAC) into the
operating voltage of 24 VDC required to supply the
... executes the application program;
communicates via the MPI interface with other
CPUs or with a programming device.
... communicates via the interface with a
... connects the communications processor to the
PtP coupling and configuration of CP 340
Manual, 04/2011, A5E00369892-03