safety with or without standard plc · safety with or without standard plc ? intern © siemens ag...
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![Page 1: Safety with or without standard PLC · Safety with or without standard PLC ? Intern © Siemens AG 2016 siemens.com/simatic-safety](https://reader030.vdocuments.net/reader030/viewer/2022040621/5f371cfe5e96556e7e71784e/html5/thumbnails/1.jpg)
Safety with or without standard PLC ?
siemens.com/simatic-safetyIntern © Siemens AG 2016
![Page 2: Safety with or without standard PLC · Safety with or without standard PLC ? Intern © Siemens AG 2016 siemens.com/simatic-safety](https://reader030.vdocuments.net/reader030/viewer/2022040621/5f371cfe5e96556e7e71784e/html5/thumbnails/2.jpg)
Intern © Siemens AG 2016DF FA S MP PLC 2
Agenda
Some examples with standard components
1
The result of a risk analysis2
3
What the standards says
![Page 3: Safety with or without standard PLC · Safety with or without standard PLC ? Intern © Siemens AG 2016 siemens.com/simatic-safety](https://reader030.vdocuments.net/reader030/viewer/2022040621/5f371cfe5e96556e7e71784e/html5/thumbnails/3.jpg)
Intern © Siemens AG 2016
Risk assessment
Risk reduction
ProofProve compliance with the
directiveAffix the CE marking
Carry out a validationDocument the measures
Implement a safety concept and put it into operation
Design the architecture of the safety functions
Define and evaluate
the safety measures (3-level method)
Evaluate the risksIdentify the hazardsDescribe the machine
Risk assessment / risk reduction according to ISO 12100
![Page 4: Safety with or without standard PLC · Safety with or without standard PLC ? Intern © Siemens AG 2016 siemens.com/simatic-safety](https://reader030.vdocuments.net/reader030/viewer/2022040621/5f371cfe5e96556e7e71784e/html5/thumbnails/4.jpg)
Intern © Siemens AG 2016
Define and evaluate the safety measures The 3-level method according to EN ISO 12100 Ch. 6
Risk reduction
YES
NO
YES
YES
NO
NO
ENDRenewed risk assessment
START
User information about residual risks
Risk reduced appropriately?
Risk reduced appropriately?
Risk reduced appropriately?
Safe mechanical design
Technical measures
1
2
3
No PLC needed
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Intern © Siemens AG 2016
Relation of PL and Cat
PL a
PL b
PL c
PL d
PL e
DCavg=Cat. B
0Cat. 1
0Cat. 2
low mediumCat. 3
low mediumCat. 4high
lowmedium
high
MTTFd
CCF >= 65 pts
WELL tried components !!
Standard components
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Intern © Siemens AG 2016
Possible architectures according to ISO 13849-1Categories from B to 2
Standard components
WELL tried components !!
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Requirements starting from category 1
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Intern © Siemens AG 2016
What are well tried components ?
![Page 9: Safety with or without standard PLC · Safety with or without standard PLC ? Intern © Siemens AG 2016 siemens.com/simatic-safety](https://reader030.vdocuments.net/reader030/viewer/2022040621/5f371cfe5e96556e7e71784e/html5/thumbnails/9.jpg)
Intern © Siemens AG 2016
Safety Evaluation ToolSafety loop with standard components PLb
Detection Evaluation Reaction
Standard CPU Switchgear
Well provenE-STOPWell proven
![Page 10: Safety with or without standard PLC · Safety with or without standard PLC ? Intern © Siemens AG 2016 siemens.com/simatic-safety](https://reader030.vdocuments.net/reader030/viewer/2022040621/5f371cfe5e96556e7e71784e/html5/thumbnails/10.jpg)
Intern © Siemens AG 2016
SRP-CS E-STOP
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SRP-CS Contactor
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SRP-CS: standard PLC??
DF FA S MP PLC 2
??
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Intern © Siemens AG 2016
With Sistema PL can be calculated
DF FA S MP PLC 2
STD CPUSTD DI STD DO
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Result : a low PL is reached
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Detection Evaluation Reaction
Standard CPU Switchgear
Well provenE-STOPWell proven
![Page 15: Safety with or without standard PLC · Safety with or without standard PLC ? Intern © Siemens AG 2016 siemens.com/simatic-safety](https://reader030.vdocuments.net/reader030/viewer/2022040621/5f371cfe5e96556e7e71784e/html5/thumbnails/15.jpg)
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Differentiation of the use of IEC 62061 – ISO 13849
IEC 62061 • applicable for all electrical and electronical systems with any architecture.
• SIL 1 up to 3• programmable logic controller (PLC etc) have to fulfil IEC 61508
EN ISO 13849-1 • applicable for hydraulic, pneumatic and electromechanical systems without
restrictions. • applicable for programmable electronic only with restrictions
• certain architecture• up to PL d resp. SIL 2
• programmable logic controller for PL e (SPS etc) have to fulfil IEC 61508
• calculation concept of ISO 13849-1 based on predefined architectures
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Intern © Siemens AG 2016
Safety Evaluation ToolWith certified components
Detection Evaluation Reaction
CPU 1500FWith F-DI and F-DO
2x 3RT switchgears3SE6315 RFID safety switches
Ple PFH 2,7e-10
Ple PFH 1e-9
Ple PFH 2e-9
Ple PFH 2e-9
Ple PFH 2e-8
TOTAL = Ple PFH 2,52e-8
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Intern © Siemens AG 2016
Safety switch off of voltage on standard components
1. The safety system is Ple 2. The feedback of the contactors is taken in
consideration 3. The MTTFd of each module and each contactor
has to be taken in consideration.
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Intern © Siemens AG 2016
SIMATIC Safety Integrated… System Solutions for Safety-Related Automation
Consulting
Support and Consulting by Siemens safety expertshttp///support.industry.siemens.com
+
Functionexamples
Prefabricated solutions on the basis of practice-oriented functional examples siemens.com/safety-functional-examples
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Safety Evaluation Tool SET
SET for the assessment of your machine's safety functions siemens.com/safety-evaluation-tool
+
Functional Safety services & training
Training and support regarding standards, risk assessment siemens.be/sitrain
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Consistent productportfolio
Integrated product portfolioDetection – evaluation – respondingsiemens.com/safety-integrated-products
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Intern © Siemens AG 2016
Thank you very much for your attention
François-Xavier HenneauPromotor SafetyDF FA
Demeurslaan, 132
1654 Huizingen
Tel 0476 / 46 83 56
siemens.com/simatic-safety
DF FA S MP PLC 2