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CPU 1518-4 PN/DP ODK
Siemens CPU 1518-4 PN/DP ODK Safety Programming Guideline
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Table of Contents
Warranty and Liability
2
Table of Contents
3
1 Introduction
4
2 Configuring Fail-Safe Controllers
6
Selecting the Suitable F-CPU
6
Profisafe Address Types
8
Protecting the F-CPU against Unauthorized Access
9
F-Change History
11
Consistently Uploading F-Cpus
12
Know-How Protection
13
3 Methods for Safety Programming
14
Program Structures
14
Defining a Program Structure
14
Call Levels of F-Fbs/F-Fcs
16
Call Sequence of the Blocks in the Main Safety
16
F-Suitable PLC Data Type
18
Block Information and Comments
20
Functional Identifiers of Variables
21
True & False
22
Standardizing Blocks
23
Standardizing Sensor Evaluation
23
Standardizing Actuator Control
25
Programming Logic Operations
26
Programming Mode-Dependent Safety Functions
26
Connecting Global Data
27
Data Exchange between Standard User Program and Safety Program
28
Reading Diagnostic and Message Information from the Safety Program
29
Transferring Operational Information to the Safety Program
30
Using Non-Safe Inputs in the Safety Program
30
Transferring HMI Signals to the Safety Program
31
Resetting Functional Switching
33
Reintegrating Fail-Safe I/O Modules/Channels
34
Evaluating Passivated Modules/Channels
34
Automatic Reintegration
36
Manual Reintegration
37
4 Optimizing Safety Programs
38
Optimizing the Compilation Duration and Runtime
38
Jumps in the Safety Program
39
Timer Blocks
41
Multi-Instances
41
Avoiding Data Corruption
43
5 Glossary
45
6 Appendix
47
Service and Support
47
Links and Literature
48
Change Documentation
48
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Reference Manual
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User Manual
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Configuration Manual
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Equipment Manual
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Guide
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Siemens CPU 1518-4 PN/DP ODK Specifications
General
Brand
Siemens
Model
CPU 1518-4 PN/DP ODK
Category
Controller
Language
English
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