Siemens SIMATIC User manual

s
CPU 31x:
Commissioning
CPU 31xC:
Commissioning
CPU 314C: Positioning
with Analog Output
CPU 314C: Positioning
with Digital Output
CPU 31xC:
Counting
CPU 31xC:
PtP Connection
CPU 31xC:
Controlling
SIMATIC
Automation System S7-300
Getting Started Collection
This manual is part of the documentation
package with the order number:
6ES7398-8FA10-8BA0
Edition 06/2003
A5E00123662-03

Safety Guidelines
This manual contains notices intended to ensure personal safety, as well as to protect the products and
connected equipment against damage. These notices are highlighted by the symbols shown below and
graded according to severity by the following texts:
!
Danger
indicates that death, severe personal injury or substantial property damage will result if proper
precautions are not taken.
!
Warning
indicates that death, severe personal injury or substantial property damage can result if proper
precautions are not taken.
!
Caution
indicates that minor personal injury can result if proper precautions are not taken.
Caution
indicates that property damage can result if proper precautions are not taken.
Notice
draws your attention to particularly important information on the product, handling the product, or to a
particular part of the documentation.
Qualified Personnel
Only qualified personnel should be allowed to install and work on this equipment. Qualified persons are
defined as persons who are authorized to commission, to ground and to tag circuits, equipment, and
systems in accordance with established safety practices and standards.
Correct Usage
Note the following:
!
Warning
This device and its components 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.
This product can only function correctly and safely if it is transported, stored, set up, and installed
correctly, and operated and maintained as recommended.
Trademarks
SIMATIC®, SIMATIC HMI® and SIMATIC NET® are registered trademarks of SIEMENS AG.
Third parties using for their own purposes any other names in this document which refer to trademarks might
infringe upon the rights of the trademark owners.
Copyright © Siemens AG 2002-2003 All rights reserved
The reproduction, transmission or use of this document or its
contents is not permitted without express written authority.
Offenders will be liable for damages. All rights, including rights
created by patent grant or registration of a utility model or design,
are reserved.
Siemens AG
Bereich Automation and Drives
Disclaimer of Liability
We have checked the contents of this manual for agreement with
the hardware and software described. Since deviations cannot be
precluded entirely, we cannot guarantee full agreement. However,
the data in this manual are reviewed regularly and any necessary
corrections included in subsequent editions. Suggestions for
improvement are welcomed.
Geschaeftsgebiet Industrial Automation Systems
Postfach 4848, D- 90327 Nuernberg
©Siemens AG 2002-2003
Technical data subject to change.
Siemens Aktiengesellschaft A5E00123662-03

s
SIMATIC
Automation System S7-300
CPU 31x: Commissioning
Getting Started
Edition 06/2003
A5E00164278-02

2S7-300 Automation System CPU 31x: Commissioning
A5E00164278-02
Introduction
This guide takes you through a specific example to set up a working application.
This way you will get to know the basic hardware and software functions of your
CPU.
You should expect to spend between one and two hours on this example,
depending on your level of experience.
Applicability:
This guide applies to the following CPUs:
CPU Order no. You will need a
micro memory card
(MMC) in order to
As of version
(MMC) i
n or
d
er
t
o
use the following
CPUs Firmware Hardware
312 6ES7 312-1AD10-0AB0 X V2.0.0 01
312 IFM 6ES7 312-5AC02-0AB0
6ES7 312-5AC82-0AB0 V1.1.0 V1.1.0 01 01
313 6ES7 313-1AD03-0AB0 V1.1.0 01
314 6ES7 314-1AE04-0AB0
6ES7 314-1AE84-0AB0 V1.1.0
V1.1.0 01 01
314 6ES7 314-1AF10-0AB0 X V2.0.0 01
314 IFM 6ES7 314-5AE10-0AB0 V1.1.0 01
315 6ES7 315-1AF03-0AB0 V1.1.0 01
315–2 DP 6ES7
315-2AG10-0AB0 XV2.0.0 01
315–2 DP 6ES7 315-2AF03-0AB0
6ES7 315-2AF83-0AB0 V1.1.0 V1.1.0 01 01
316-2 DP 6ES7
316-2AG00-0AB0 V1.1.0 01
317-2 DP 6ES7 317-2AJ10-0AB0 X V2.1.0 01
318-2 DP 6ES7 318-2AJ00-0AB0 V3.0.0 03
The following requirements must be fulfilled:
You need to have a basic understanding of electronics/electrical engineering, and
have experience of working with MicrosoftWindows.

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S7-300 Automation System CPU 31x: Commissioning
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!Warning
When using the S7–300 as a component of plants and systems, you may be
required to follow certain rules and regulations according to the specific
application. Please note the applicable safety and accident prevention regulations,
such as IEC 204 (emergency stop systems).
Non-compliance with these regulations can result in serious injury and damage to
both machinery and equipment.

4S7-300 Automation System CPU 31x: Commissioning
A5E00164278-02
Materials and Tools Required
Quantity Item Order number (Siemens)
1 Rail e.g. 6ES7 390-1AE80-0AA0
1Power supply (PS) e.g. 6ES7 307-1EA00-0AA0
1Central processing unit (CPU) e.g. 6ES7 312-1AD10-0AB0
1Micro Memory Card (MMC)
Please note:
You must have an MMC in order to use certain CPUs
(see Applicability)
e.g. 6ES7 953-8LL00-0AA0
1Digital input module (DI) with bus connector e.g. 6ES7 321-1BH02-0AA0
1Digital output module (DO) with bus connector e.g. 6ES7 322-1BH01-0AA0
2Multipin front connector with screw-type contacts e.g. 6ES7 392-1AM00-0AA0
1•Programming device (PG) with MPI interface and
STEP 7 software version w5.1 + SP 4 installed and
PG cable or
•PC with suitable interface card
Depends on configuration
Various M6 screws and nuts (length depends on installation
location) with suitable screwdriver / wrench Standard
1Screwdriver with 3.5 mmblade Standard
1Screwdriver with 4.5 mmblade Standard
1Side cutter and cable stripper Standard
1Crimp tool Standard
X m Cable with 10 mm2cross-section for grounding the rail
and suitable cable lug for M6 screw. Length of cable
depends on local requirements.
Standard
Approx.
2 m Flexible cable with 1 mm2cross-section and suitable ferrules with insulated collar, length 6 mm Standard
X m 3-core flexible power cable (AC 230/120 V) with
shock-proof plug; length dependant on local
requirements, with suitable
ferrules and insulating collar.
Standard
2Single–pole ON switch (24 V) Standard

5
S7-300 Automation System CPU 31x: Commissioning
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CPUPS DI DO
Rail
LEDs MC/MMC
For setting the line voltage
Power supply ON / OFF
Mode selector switch
PG cable for connecting
to the MPI interface
Programming device (PG)
with STEP 7 software
Sam
p
le la
y
out
(
certain details of the CPUs ma
y
differ from the above illustration
)
Wiring the power supply and CPU (front cover open)
220V/ 120V
L+
M
L+
M
L+
ML+
M
DC 24V
Strain relief Connecting cables between the PS and CPU
Removable power supply connection
MPI interface for connecting to the PG
Power supply (PS) CPU
Layout of the example

6S7-300 Automation System CPU 31x: Commissioning
A5E00164278-02
Functionality of the example
The output cannot switch (i.e. so that the diode on the output module lights up)
until the switches are pressed.

7
S7-300 Automation System CPU 31x: Commissioning
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1. Installation
Figure Installing and Grounding the Rail
1.
1. Screw the rail in position (screw size: M6).
Make sure that there is a clearance of at least
40 mm above and below the rail.
If you fasten the rail to a grounded metal plate or
device support, make sure there is a low-resistance
connection between the rail and
the base
2.
the base
.
2. Connect the rail to the protective conductor.
There is an M6 protective conductor screw on the
rail
for this purpose.
Minimum cross-section of the cable to the protective
conductor: 10 mm2.
Figure Attaching the Modules on the Rail
CPU
1. Attach the power supply. Push it to
the left until it reaches the rail’s
grounding screw, and then screw in
place.
2. Connect to the other modules by
plugging a bus connector into the
CPU (see detail).
1
2
CPU
3
3. Attach the CPU (1).
4. Push it up against the module on
the
left (2)
5. and tip it downward (3).
CPU
6. Screw the modules hand-tight onto
the rail.
7. If you are using a CPU with an
MMC,
insert the memory card into the
slot.
8. Now fit the digital input module and
digital output module to the right of
the CPU by repeating steps 1 to 6.

8S7-300 Automation System CPU 31x: Commissioning
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2. Wiring
!Warning
You may come into contact with live wires that are connected to the power supply.
Make sure that the S7-300 is completely disconnected before you start wiring.
Wiring the Power Supply and the CPU
Step Wiring the power supply and CPU
1Open the front panels of the power supply and the CPU.
2Detach the strain relief clip from the power supply.
3Strip the flexible power cable, crimp on the ferrules and connect
them to the power supply.
(Blue to terminal M, black to terminal L1, protective conductor to terminal PE)
4Screw the strain relief clamp in place.
5Now wire the power supply to the CPU using the
1 mm2cross-section flexible cable.
Strip the ends to approx. 6 mm and crimp on the ferrules.
Connect terminals L+ and M on the power supply to those on the CPU.
6Check that the line voltage selector switch is set to the correct line voltage.
The power supply is set at the factory to a line voltage of AC 230 V. To change the voltage,
remove the protective cap with a screwdriver, set the switch to the required line voltage and
replace the protective cap.
Wiring the Digital Input and Output Modules
Step Wiring the Front Connectors of the DI and DO
1Open the front panels of the digital input and output modules.
2Push front connectors into the DI and the DO until they snap into position. The front
connectors still stick out of the module, and thus have no contact with the module, in this wiring
position.
3Cut around 10 wires (1mm2) to length (20 cm), and attach ferrules to the ends.
4Wire the front connector for the digital input module as follows:
Terminal L+ to terminal L+ on the power supply; terminal M to terminal M on the power supply
Terminal 3 to the first connection of switch 1;
Terminal 4 to the first connection of switch 2
Connect the two unassigned connections on switches 1 and 2 to L+ on the power supply.
5Wire the front connector for the digital output module as follows:
Terminal L+ to terminal L+ on the power supply; terminal M to terminal M on the power supply
6Lead the wires downwards out of the front connectors.

9
S7-300 Automation System CPU 31x: Commissioning
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Wiring the Front Connectors of the DI and DOStep
7Press the release button on the front connector at the top of the module. At the same time,
push the front connector into the module until the release button snaps back into its initial
position.
Please note: If you are using 40-pin front connectors, they must also be fixed using the fixing
screw in the center of the front connector.
8Close the front panels of the digital input and output modules and the power supply.
3. Commissioning the Hardware
Step Tasks Result:
1Connect the programming device to the CPU using the programming device cable. If you use a
cable with
PROFIBUS connectors, you will have to switch on the terminating resistors in the connectors.
Close the front flap on the CPU and set the mode selector switch to STOP.
2Connect the power cable to the power supply and
switch on the power supply module. The DC24V-LED lights up on the
power supply module.
All the LEDs on the CPU light up brie-
fly; the SF LED and the DC5V LED
remain on. The STOP LED starts to
flash slowly, prompting a memory re-
set.
3Now insert either the micro memory card (MMC)
or the back–up battery into your CPU, depending on the CPU type.
4Reset the CPU memory as follows:
– Press the mode selector switch to MRES. Hold the switch in this position until the
STOP LED lights up for the second time and stays on. Then release the mode selector
switch.
– Within 3 seconds, press the mode selector switch back to MRES. The STOP LED
starts to flash rapidly and the CPU memory is reset. You can now release the mode
selector. When the STOP LED lights up permanently again, the CPU memory reset is
complete.
5Start up the programming device and start SIMATIC
Manager from the Windows desktop. A SIMATIC Manager window opens.
6Activate switch 1. The LED for the first input lights up.
7Activate switch 2. The LED for the second input lights
up.

10 S7-300 Automation System CPU 31x: Commissioning
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4. Configuring the Hardware in the STEP 7 Hardware Configuration Editor
Create a new project in STEP 7:
Step Tasks Result:
1Select the File > New... menu command.
Enter a name for your project and click on OK to
confirm.
A new project is created
Add a new S7-300 station
Step Tasks Result:
1Select the Insert > Station > SIMATIC 300 Station
menu command. The SIMATIC 300 (1) icon in the right-hand part of the window is
highlighted.
Add a rail
Step Tasks Result:
1In the right-hand part of the window, double-click first
on the SIMATIC 300(1) icon and then on the Hardware
icon.
The hardware configuration editor
(HW Config) opens.
2You can insert your hardware components from the
hardware catalog in the left-hand part of the window.
If no catalog is displayed, activate the catalog using
the View > Catalog menu command.
In the hardware catalog, navigate to Rack-300
via SIMATIC 300. Copy the rail by dragging and
dropping it in the right-hand part of the window.
The rail is inserted in the right-hand
part of the window
Add the power supply:
Step Tasks Result:
1In the hardware catalog, navigate to PS-300.
Drag your power supply and drop it into slot 1 on the
rail.
Note:
You can click on the power supply to display its order
number. The order number then appears in the box
beneath the catalog.
The power supply module is inserted
into slot 1.

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Add the CPU:
Step Tasks Result:
1In the hardware catalog, navigate to CPU-300.
Drag your CPU and drop it into slot 2 on the rail. The CPU is inserted into slot 2.
Add the digital input and output modules:
Step Tasks Result:
1In the hardware catalog, navigate to DI-300 via
SM-300 and select your digital input module.
Drag the digital input module to the rail
and drop it into slot 4.
The digital input module is inserted into
slot 4.
2In the hardware catalog, navigate to DO-300 via
SM-300 and select your digital output module.
Drag the digital output module to the rail
and drop it into slot 5.
The digital output module is inserted into
slot 5.
Save and compile your configuration:
Step Tasks Result:
1Select the Save and Compile command from the
Station menu. The hardware configuration is compiled and saved.
2Close the editor. The editor is closed. The CPU now
appears in the station in SIMATIC
Manager.

12 S7-300 Automation System CPU 31x: Commissioning
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5. Programming the Circuit
Step Tasks Result:
1In the right-hand part of the window, first double-click
on the CPU icon, then on the S7 program(1) icon, then
on the Blocks icon
and finally on the OB1 icon.
The “Properties” dialog for OB1 is
displayed.
2From the properties for the organizational
block, select the ladder diagram development
language. Click on OK to confirm.
The program editor opens.
3From the properties for the organizational
block, select the ladder diagram development
language. Confirm with OK.
The program editor opens.
4Carefully click on the horizontal line representing the
current path. The line is highlighted.
5On the toolbar, click twice on the
–||– icon (normally-open contact) and then once on the
–( ) icon (coil).
The icons are inserted into the
current path.
6Click on the red question mark for the left-hand
normally-open contact in the current path. The normally-open contact is highlighted and the question mark is
replaced
with a text input box containing the
cursor.
7Enter E124.1 and press Return. The left-hand normally-open contact
is now called E124.1.

13
S7-300 Automation System CPU 31x: Commissioning
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Tasks Result:Step
8Label the right-hand switch E124.2 and the coil A124.0 in the same way.
9set the
File > Close menu command to close the editor, and
click Yes when you are prompted to save.
The editor is closed and OB 1 is
saved.

14 S7-300 Automation System CPU 31x: Commissioning
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6. Test Run
Step Tasks Result:
1Navigate via SIMATIC 300 Station and your CPU to
the S7 program.
In SIMATIC Manager, click on Blocks in the right-hand
part of the window.
Blocks is highlighted.
2From the Target System menu, select Download to
transfer the program and hardware configuration to the
CPU.
Click on Yes in every dialog box that appears.
The program and configuration are
downloaded from the programming
device to the CPU. The program
stored on the micro memory card (in
the download memory) is now
protected, even in the event of a
power failure or memory reset.
3Switch the CPU mode selector to RUN. The STOP LED goes out. The RUN
LED starts flashing and then stays
on.
4Actuate the two switches alternately. The LEDs of both inputs light up
alternately.
5Actuate the two switches simultaneously. The LEDs of both inputs light up
together.
The LED of the first output lights up.
This would switch on any connected
actuator or indicator.
Diagnostics / Troubleshooting
Incorrect operation, wiring or hardware configuration can result in faults. The CPU
indicates these faults after a memory reset with the group error LED SF.
The S7-300 Installation Manual describes how to diagnose these errors and
messages.
Manuals for further details
For further information on Getting Started, we recommend that you read Getting
Started, First Steps and Exercises with STEP 7 V5.1.

Service & Support on the Internet
To supplement our documentation, you can access our complete knowledge base
online on the Internet at:
http://www.siemens.com/automation/service&support
There you can find:
•the newsletter, which contains the latest information about your products.
•exactly the right documents for your needs via the search function in Service &
Support.
•a forum that allows users and specialists around the world to swap their
experiences.
•your local service partner for Automation & Drives in our Partner Database.
•information about on-site service, repairs and spare parts. This and much more
can be found in the ”Services” section.
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15
S7-300 Automation System CPU 31x: Commissioning
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8AutomationSystem S7-300, Getting Started – CPU31xC:Commissioning:
A5E00105538-02
Siemens AG
Bereich Automatisierungs- und Antriebstechnik
Geschaeftsgebiet Industrie-Automatisierungssysteme
Postfach 4848, D-90327 Nuernberg
Siemens Aktiengesellschaft
ESiemens AG 2001-2003
Subject to change without prior notice
A5E00164278-02
Printed in the Federal Republic of Germany

SIMATIC
Automation System S7-300
CPU 31xC: Commissioning
Getting Started
Edition 09/2002
A5E00105538-02

2Automation System S7-300, Getting Started – CPU31xC:Commissioning:
A5E00105538-02
Introduction
This guide takes you through 6 commissioning steps to set up a functioning appli-
cation by running through a concrete example. In this way you will get to know the
basic hardware and software functions of your CPU 31xC.
You should expect to spend approximately 1.5 to 2 hours on this example, depen-
ding on the level of your experience.
Prerequisites
The following prerequisites must be fulfilled:
SYou must be familiar with the fundamentals of electronic/electrical engineering
and have experience of working with computers and MicrosoftWin-
dows#95/98/NT.
!Warning
The S7-300 is used as a component in installations and systems that require you
to comply with specific rules and regulations that vary depending on the applica-
tion.
Please note the relevant safety and accident-prevention regulations, such as IEC
204 (emergency stop systems).
Non-compliance with these regulations can result in serious injury and damage to
both machinery and equipment.
Materials and Tools Required
Quantity Item Order Number (SIEMENS)
1 Rail e.g. 6ES7 390-1AE80-0AA0
1PS 307 power supply (PS) e.g. 6ES7 307-1EA00-0AA0
1CPU 31xC, z. B. CPU 313C e.g. 6ES7 313-5BE00-0AB0
1SIMATIC Micro Memory Card (MMC) e.g. 6ES7 953-8LL00-0AA0
240-pin front connector with screw-type contacts 6ES7 392-1AM00-0AA0
1SProgramming device (PG) with MPI interface and installed
STEP 7 version w5.1 + SP 2 and PG cable or
SPC with the corresponding interface card
Depends on configuration
X m PROFIBUS-DP cable with bus connectors Depends on type
Various M6 screws and nuts (length depends on installation location)
with appropriate screwdriver/wrench
Standard
1Screwdriver with 3.5 mm blade Standard
1Screwdriver with 4.5 mm blade Standard
1Diagonal cutter and tool for insulation stripping Standard
1Tool for pressing on wire-end ferrules Standard
X m Cable for grounding the rail with 10 mm2cross-section with
cable lug for M6, length dependent on local requirements
Standard
Approx.
2 m
Stranded wire with 1 mm2cross-section with appropriate
wire-end ferrules (type A, length 6 mm)
Standard
X m 3-core power cable (AC 230/120 V) with shock-proof plug;
length dependent on local requirements; correct wire-end
Standard
21-pin on switch (24 V) Standard