Components For A Point-To-Point Connection With The Cp 340; Required Hardware Components - Siemens SIMATIC CP 340 User Manual

Product Description

1.2 Components for a Point-to-Point Connection with the CP 340

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
Mounting rack
Power supply module (PS)
Central Processing Unit (CPU)
Accessories:
Memory Card

Backup battery

Communications processor
Standard Connecting Cable
14
Function
... 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
S7-300.
... executes the application program;
communicates via the MPI interface with other
CPUs or with a programming device.
... communicates via the interface with a
communication partner.
... connects the communications processor to the
communication partner.
Diagram
PtP coupling and configuration of CP 340
Manual, 04/2011, A5E00369892-03