Siemens SIMATIC NET S7-300 User Manual

3 Operating the Ethernet CP with
A-59
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
3.2 General Information on STEP 7 / NCM S7
Installation
The functions of NCM S7 are available automatically immediately after installing
STEP 7.
Functions
NCM S7 consists of the following:
 CP-specific index dialogs that you call using the properties dialog box of the
modules.
 Dialogs for the connection configuration
 Diagnostic functions that you obtain as follows:
- Using the “Diagnostics” tab in the properties dialog
- Using the standard Start menu of Windows with which you can call the
SIMATIC program group
 Functions displayed with SIMATIC

NCM... in the Start menu of Windows:
- Diagnostics
- Help for functions (FCs)
- “Readme” file with current information about NCM
- Firmware loader
Access to Online Help of STEP 7 and NCM S7
With the online help, you can obtain the following information:
 You can display the contents of the STEP 7 basic help system with the Help ->
Contents menu command.
 Context-sensitive help on the selected object using the Help ->
Context-Sensitive Help menu command, the F1 key or the question mark in
toolbar.
You can then access further information relating to the current topic.
 Glossary for all STEP 7 applications by clicking the “Glossary” button
Please note that each STEP 7 application has its own contents and
context-sensitive help.
F1

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)