Siemens Simatic S7-300 User manual

SIMATIC S7-300

Getting Started for First Time Users

Order No.: 6ZB5310-0NC02-0BA0

04/2007

A5E01094750-01

Safety Guidelines

This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent

damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert

symbol, notices referring only to property damage have no safety alert symbol. These notices shown below are

graded according to the degree of danger.

If more than one degree of danger is present, the warning notice representing the highest degree of danger will be

used. A notice warning of injury to persons with a safety alert symbol may also include a warning relating to prop-

erty damage.

Qualified Personnel

The device/system may only be set up and used in conjunction with this documentation. Commissioning and oper-

ation of a device/system may only be performed by qualified personnel. Within the context of the safety notes in

this documentation qualified persons are defined as persons who are authorized to commission, ground and label

devices, systems and circuits in accordance with established safety practices and standards.

Danger

indicates that death or severe personal injury will result if proper precautions are not taken.

Warning

indicates that death or severe personal injury may result if proper precautions are not taken.

Caution

with a safety alert symbol, indicates that minor personal injury can result if proper precautions are not taken.

Caution

without a safety alert symbol, indicates that property damage can result if proper precautions are not taken.

Notice

indicates that an unintended result or situation can occur if the corresponding information is not taken into account.

Prescribed Usage

Note the following:

Trademarks

All names identified by ® are registered trademarks of the Siemens AG. The remaining trademarks in this publica-

tion may be trademarks whose use by third parties for their own purposes could violate the rights of the owner.

Disclaimer of Liability

We have reviewed the contents of this publication to ensure consistency with the hardware and software

described. Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, the infor-

mation in this publication is reviewed regularly and any necessary corrections are included in subsequent editions.

Warning

This device may only be used for the applications described in the catalog or the technical description and only in

connection with devices or components from other manufacturers which have been approved or recommended by

Siemens. Correct, reliable operation of the product requires proper transport, storage, positioning and assembly as

well as careful operation and maintenance.

Siemens AG

Automation and Drives

Postfach 48 48

90437 NÜRNBERG

GERMANY

Order No. 6ZB5310-0NC02-0BA0

04/2007

Technical data subject to change

SIMATIC S7-300 Getting Started for First Time Users

Getting Started, 04/2007, 6ZB5310-0NC02-0BA0

Contents

1 Welcome. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2 Preparing the PC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3 Installing and wiring the hardware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.1 What components are required? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.2 Installing the components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3.3 Wiring the components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

3.4 Commissioning the hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

4 Configuring the control in STEP 7 Lite. . . . . . . . . . . . . . . . . . . . . . . . . . . 32

4.1 What is a STEP 7 Lite project? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

4.2 Opening a STEP 7 Lite project . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

4.3 Reproducing the module configuration in STEP 7 Lite. . . . . . . . . . . . . . . . . . 35

4.4 Establishing the online connection between the PC and CPU 312C . . . . . . . . 41

4.5 Downloading and checking the module configuration to the CPU 312C. . . . . . 42

5 Opening the program on the PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

5.1 What is a program?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

5.2 Opening a program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

6Performingatestrun. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

6.1 Downloading the project to the CPU 312C . . . . . . . . . . . . . . . . . . . . . . . . . . 51

6.2 Starting the test run . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

7 Congratulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

8 Additional information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

8.1 Diagnostics / correction of errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

8.2 Additional documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

8.3 SIMATIC Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

1Welcome

SIMATIC S7-300 Getting Started for First Time Users

Getting Started, 04/2007, 6ZB5310-0NC02-0BA0

Welcome to the “S7-300 Getting Started for First Time Users”. Using an example

of a conveyor belt, we will illustrate how easy it is to control a drive motor with an

S7-300. You will use the S7-300 to start the motor, switch the direction of rota-

tion, and then stop the motor again.

To accomplish this, you will perform the following tasks:

• Install the required software.

• Install and wire the required control components.

• Configure the hardware using the STEP 7 Lite software, and download a con-

trol program.

• Start the motor.

The example will take approximately 1 hour to implement, depending on your

prior knowledge.

1Welcome

SIMATIC S7-300 Getting Started for First Time Users

Getting Started, 04/2007, 6ZB5310-0NC02-0BA0

Validity

These instructions apply to the following CPUs:

Prerequisites

You are proficient in working with the Microsoft ® WindowsTM operating system.

You are familiar with the basics of electronics and electrical engineering.

Abbreviation Order no.

You will need a micro

memory card (MMC)

for operation Asoffirmware

version

312C 6ES7312-5BE03-0AB0 X V 2.6

Warning

Dangerous currents and voltages!

Serious bodily injury and damage to machinery and equipment can occur if

you do not observe the safety and accident prevention regulations, e.g.,

IEC 204 (emergency STOP devices).

Operation of an S7-300 in plants or systems is governed by special rules

and regulations, depending on the specific field of application.

SIMATIC S7-300 Getting Started for First Time Users

Getting Started, 04/2007, 6ZB5310-0NC02-0BA0

Materials and tools

In order to install the conveyor belt control, you will need the following materials

and tools:

• The S7-300 starter kit contains the following:

Quantity Item Order number

(Siemens)

1 Mounting rail 6ES7390-1AB60-0AA0

1 CPU 312C 6ES7312-5BE03-0AB0

1 SIMATIC Micro Memory Card 6ES7953-8LF11-0AA0

1 Multipin front panel connector with screw-type

contacts

6ES7392-1AM00-0AA0

1 PC Adapter USB with driver software 6ES7972-0CB20-0XA0

1 Manual Collection containing electronic manuals

for the various SIMATIC products

6ES7998-8XC01-8YE0

1Welcome

SIMATIC S7-300 Getting Started for First Time Users

Getting Started, 04/2007, 6ZB5310-0NC02-0BA0

• In addition, you will need the following components:

Quantity Item Order number

(Siemens)

1 Power supply 6ES7307-1EA00-0AA0

1 PC with USB interface -

1 STEP 7 Lite V3.0 + Service Pack 2 Can be downloaded free

of charge on the Internet

various M6 screws and nuts (length depends on installa-

tion location) with suitable screwdriver/wrench

Commercially available

1 Screwdrivers with 3.5 mm and 4.5 mm blade

widths

Commercially available

1 Diagonal cutters and wire stripping tool Commercially available

1 Crimp tool Commercially available

X m Cable with 10 mm2cross-section for grounding

the mounting rail and suitable cable lug for M6

screw. Length of cable depends on local condi-

tions

Commercially available

Approxi-

mately 2 m

Flexible cable with 1 mm2cross-section and

suitable ferrules with insulated collar, length

6mm

Commercially available

X m 3-wire flexible network cable (230/120 VAC) with

grounding-type socket plug; length dependent

on local conditions and suitable ferrules with

insulating collar

Commercially available

4 Single-pole momentary contact switch

(24 V, 2 A)

Commercially available

1 Motor, including accessories (optional)

You can find technical specifications for the

CPU 312C in the “CPU 31xC and CPU 31x:

Technical Specifications” Manual available on

the Internet at http://www.siemens.com/automa-

tion/service&support.

Commercially available

Note

You can also use the

CPU 312C with an extra-low

voltage that is safely isolated

from the supply system. Safe

isolation can be achieved, for

example, in accordance with

VDE 0100 Part 410 / HD 384-

4-41 / IEC 364-4-41 or

VDE 0805 / EN 60950 /

IEC 950 or VDE 0106

Part 101.

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