Electricidad

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SIMATIC S7-300

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Introduction

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Central processing units

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Digital modules

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Analog modules

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F digital /analog modules

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Ex input/output modules

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Function modules
FM 350-1 counter module
FM 350-2 counter module
CM 35counter module
FM 351 positioning module
FM 352 electronic cam controller
FM 352-5 High Speed Boolean Processor
FM 353 positioning module
FM 354 positioning module
FM 357-2 positioning module
FM STEPDRIVE power section
1FL3 SIMOSTEP stepper motors
FM 355 closed-loop control module
FM 355-2 closed-loop control module
SM 338 ultrasonic position encoder module
SM 338 POS input moduleSIWAREX U
SIWAREX M
SIWAREX A

4/100 Special modules
4/101 Communication
4/114 Connection methods
4/119 Interface modules
4/120 Power supplies
4/123 Accessories

Siemens ST 70 · 2003

4/1

SIMATIC S7-300
Introduction
SIMATIC S7-300

■ Overview

4

Fig. 4/1

Automation system SIMATIC S7-300

SIMATIC S7-300

SIMATIC S7-300F

SIMATIC S7-300 Outdoor®

• The modular mini PLCsystem for the low-end and mid
performance ranges

• Failsafe automation system
for installations in manufacturing with increased safety
requirements

• The PLC for use in the harshest environmental conditions

• With a comprehensive range
of modules for optimum adaptation to the automation
task
• Flexible usage through the
easy implementation of distributed structures and versatilenetworking capability
• User-friendly handling and
uncomplicated, fan-free design
• Trouble-free expansion
when your task grows
• Powerful thanks to a large
number of integrated functions

• Complies with safety requirements up to SIL 3 to
IEC 61508, AK6 to DIN V
19250 and Cat. 4 acc. to EN
954-1

• With extended temperature
range from -25 to +60°C
(+70°C in development)
•Occasional short-term condensation and increased
mechanical loading permissible

• Based on S7-300 with failsafe modules

• With the proven PLC technology of the S7-300

• Standard modules for nonsafety-related applications
can also be used in the automation system

• Convenient handling, programming, maintenance
and service
• Ideal for use in the automotive industry, environmentaltechnology, mining, chemical plants, production technology, food industry etc.
• The alternative to expensive
custom solutions

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Siemens ST 70 · 2003

SIMATIC S7-300
Introduction
■ Technical specifications
General technical specifications S7-300, S7-300F

General technical specifications S7-300 Outdoor

Degree of protection

Climatic operating conditions

IP 20 to IEC 529

Ambienttemperature

Temperature
0 to 40 °C

Relative humidity

5 to 95%; short-term moisture
condensation allowed, corresponds to relative humidity (RH)
degree of severity 2 at IEC 1131-2
and IEC 721 3-3 Class 3K5
-25°C to 0°C
IEC 721 3-3 Class 3K5

Atmospheric pressure

1080 to 795 hPa
Corresponds to a height of –1000
to 2000 m

Pollutant concentrations

SO2: < 0.5 ppm; relativehumidity
55 mJ

-32768 to 32767 (user-specific
within this range)

Counter range (32-bit counter):

-2,147,483,648 to 2,147,483,647
(user-specific within this range)

Digital input control

No

Periodic

Yes, 16-bit or 32-bit counter

Counter range (16-bit counter):

-32768 to 32767
(user-specific within this range)

Counter range (32-bit counter):

-2,147,483,648 to2,147,483,647
(user-specific within this range)

Individual

Yes, 16-bit or 32-bit counter

Counter range (16-bit counter):

-32768 to 32767
(user-specific within this range)

Counter range (32-bit counter):

-2,147,483,648 to 2,147,483,647
(user-specific within this range)

Cable length
• Unshielded

100 m

• Shielded

600 m

Count modes

Status, diagnostics
Module...