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Working with S7-HiGraph.pdf
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Working with S7-HiGraph
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Important Information,
Contents
Product Overview and
Installation
1
Designing a Program Using
the Example of a Drill
2
Working with S7-HiGraph
3
Process Error Diagnosis
4
STL Instruction Description
5
Configuration Notes
6
User Program Run Behavior
in the PLC
7
Tips and Tricks
8
Glossary
Index
SIMATIC
S7-HiGraph for S7-300/400
Manual
01/2000
C79000-G7076-C527
Edition 01
Copyright © Siemens AG 2000 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 Automatisierungs- und Antriebstechnik
Geschaeftsgebiet Industrie-Automatisierungsysteme
Postfach 4848, D- 90327 Nuernberg
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.
© Siemens AG 2000
Technical data subject to change.
Siemens Aktiengesellschaft
C79000-G7076-C527
Safety Guidelines
This manual contains notices which you should observe to ensure your own personal safety, as well as to
protect the product and connected equipment. These notices are highlighted in the manual by a warning triangle
and are marked as follows according to the level of danger:
!
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 or property damage can result if proper precautions are not taken.
Note
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
Please 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 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.
S7-HiGraph for S7-300/400
C79000-G7076-C527-01
2-1
2 Designing a Program Using the Example of a
Drill
2.1 Welcome to the Example for Getting Started in HiGraph
This example for getting started shows you in about an hour how to use
S7-HiGraph in order to create a program for the automation of the following drilling
machine.
You first learn how to plan and structure an S7-HiGraph program efficiently and are
then taken step-by-step through all the tasks that you have to carry out in the
SIMATIC Manager and in S7-HiGraph in order to
• create the program,
• download it to the CPU and
• debug it.
The correctly programmed example is included in the scope of delivery as the
project ZEn03_01_HiGraph_DrilMac. After the installation it is positioned in the
directory STEP7\Examples.
Designing a Program Using the Example of a Drill
S7-HiGraph for S7-300/400
2-2 C79000-G7076-C527-01
2.2 Prerequisites
The following hardware and software components are required to program the
example program as described:
• A programming device/personal computer on which the STEP 7 basic package
and the S7- HiGraph optional package are installed.
• In order to download and debug the example program you require:
- An automation system with a digital input-output module (8DI+8DO).
In this example the S7-300 with CPU 314 is used. However, S7-HiGraph
programs can also be executed on an S7-400 automation system.
- Or the S7-PLCSIM S7-optional package in order to simulate a CPU of the
series S7-300 or S7-400.
Designing a Program Using the Example of a Drill
S7-HiGraph for S7-300/400
C79000-G7076-C527-01
2-3
2.3 Automation Task Drilling Machine
The structure of the drilling machine, shown in the technical diagram, and the
sequence of the drilling process, shown in the function diagram, are specified.
Technical diagram: Structure of the drilling machine
Feed
Vice
Lower drill
Raise drill
Limit switch:
Drill at top
Limit switch:
Drill at bottom
Feedback :
Set tension reached
Drill motor on
Drill motor
Feedback:
- Drill runnin
g
- Drill stationar
y
Start button
0
Basic state
The basic state of the drilling machine is defined as follows:
• Drill motor standing still.
• Feed/Drill is in the upper position.
• No workpiece is clamped.
Sequence during drilling
The drilling process is subdivided into the following steps:
1. Insert the workpiece and start the machine via the start pushbutton.
2. Clamp the workpiece (until the set clamping pressure is reached)
3. The drill motor starts up
4. Use the feed to lower the drill to the lower set position
5. Use the feed to raise the drill to the upper set position
6. Switch off the drill motor
7. Loosen the workpiece
8. Remove the workpiece
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