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Pilz Automation Technology
Partners—Pilz Automation Technology UK Ltd and
Pilz Auslandsbeteiligungen GmbH
Reg. Office: Willow House, Medlicott Close, Oakley Hay Business Park
Corby, Northants NN18 9NF
Company
Reg.No. LP5673
Email:
sales@pilz.co.ukInternet:
http://www.pilzsupport.co.ukPilz Automation Technology
Willow House, Medlicott Close
Oakley Hay Business Park, Corby, Northants NN18 9NF
Telephone (01536) 460766 Fax (01536) 460866
Safety Relay Type PNOZ s2
Internal Safety Integrity Details
Description
Type A Logic
Subsystem
(pre-designed)
Device
Safety Relay
Manufacturer
Pilz Automation
Model
PNOZ s2
BSEN 61508 internal architecture
1oo2D*
Internal Diagnostic Coverage...DC
99%
Safe Failure Fraction…………..SFF
99%
Common Cause Failure………..CCF
2%
Sensor Sub-System input
1oo1
MTTF
L
5.0E-07
Probability of Dangerous failure on Demand
BSEN 61508…….PFD
2.13E-05
BSEN61508 Sil claim limit for relay..
SILCL
3
BSEN61511 Sil claim limit for relay..
SILCL
3
Probability of Dangerous Failure per Hour
BSEN61508 …………. PFH
D
2.5E-09
BSEN62061 Sil claim limit for relay..SILCL
3
BSEN 954-1 category
4
BSENISO 13849-1performance level.. PL
e
BSENISO 13849-1 category..
4
Proof Test Interval ….T ( yrs)
20
* Normally-Open safety contacts.