Siemens SIMATIC NET S7-300 User Manual

6 Programmed Communication Connections
A-163
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
6.2 Procedure
Initial Situation
The steps described here assume the following:
1. You have created the local S7 station and the required partner stations in your
STEP 7 projects (refer to the description in Chapter 3).
2. You have clarified the other station types with which connections must be
established. You create substitute objects for these station types in your
STEP 7 projects.
Setting up Connections and Using Them in the User Program
Follow the steps outlined below to set up connections on the SIMATIC S7 PLC
using the user program:
Program the
SEND/RECEIVE interface in
the user program.
(Refer to Section 4.2 and the
detailed FC description in
Chapter 7).
Download configurations and user
programs to the S7 station.
Configuring
necessary steps
optional steps
Legend:
Programming
Set the CP Properties in
the “IP Configuration” tab:
Select the “Set IP
address in user program”
option.
Create system data and
connections in the configuration
DB
Specify the connection
characteristics in the
Configuration DB.
Program FB interface in the
user program.

Siemens SIMATIC NET S7-300 Specifications

General

Product Type Designation	SIMATIC NET S7-300
Mounting	DIN rail mounting
Protection Class	IP20
CPU Models	Various models available (e.g., CPU 312, CPU 314)
Communication Interfaces	MPI, PROFIBUS DP
Power Supply	24 V DC power supply required. Different power supply modules available.
I/O Modules	Digital input modules, digital output modules, analog input modules, analog output modules
Programming	STEP 7 software
Supply Voltage	24V DC or 120/230V AC (depending on model)
Digital Inputs	Available via digital input modules
Digital Outputs	Available via digital output modules
Analog Inputs	Available via analog input modules
Analog Outputs	Available via analog output modules
Communication Functions	MPI, PROFIBUS DP, Ethernet (depending on model)
Protocols	MPI, PROFIBUS DP, TCP/IP (depending on model)
Operating Temperature	0°C to 60°C
Storage Temperature	70 °C
Memory	Depends on CPU model (e.g., 32 KB to 1.5 MB)