Product Description
1.2 Components for a Point-to-Point Connection with the CP 340
PtP coupling and configuration of CP 340
14 Manual, 04/2011, A5E00369892-03
1.2 Components for a Point-to-Point Connection with the CP 340
Introduction
The PtP connection between the communication processor and a communication partner
requires specific hardware and software components.
1.2.1 Required Hardware Components
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
Components Function Diagram
Mounting rack ... provides the mechanical and electrical
connections of the S7–300.
Power supply module (PS) ... converts the line voltage (120/230 VAC) into the
operating voltage of 24 VDC required to supply the
S7-300.
Central Processing Unit (CPU)
Accessories:
Memory Card
Backup battery
... executes the application program;
communicates via the MPI interface with other
CPUs or with a programming device.
Communications processor ... communicates via the interface with a
communication partner.
Standard Connecting Cable ... connects the communications processor to the
communication partner.
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