Typically, many organisations follow a strict regime when it comes to handling operational changes via defined management of change proced...
Thursday, 21 June 2018
Thursday, 31 May 2018
Do purchasing teams really need to worry about Functional Safety & SIL?
When it comes to complying with the safety standards IEC 61508, IEC 61511 and IEC 62443 for a safety and security project, it is not...
Labels:
ABB
,
Functional Safety
,
IEC61508
,
IEC61511
,
IEC62443
,
ISA 84
,
John Walkington
,
Safety Instrumented System
,
SIS
Tuesday, 15 May 2018
Is it safe? Advice on assessing the suitability of electrical devices for use in a safety instrumented function
When designing safety instrumented functions (SIFs) for a process operation, it is not unusual to find devices such as electrical motors, ...
Labels:
ABB
,
DTT
,
ETT
,
Hardware Fault Tolerance
,
IEC 61511
,
IEC61508
,
ISO13849-1
,
Machinery Directive
,
NAMUR NE 142
,
Rafal Selega
,
Safety Instrumented Functions
,
SIL1
,
SIL2
,
SIL3
Monday, 5 February 2018
How to remain safe and profitable during Industry 4.0
The arrival of Industry 4.0 is already starting to transform modern industrial operations, paving the way for the smart factories of the fu...
Labels:
ABB
,
Cyber Physical System
,
cyber security
,
Functional Safety
,
IEC 61511
,
IEC 62443
,
Industry 4.0
,
John Walkington
,
Rafal Selega
,
Safety Instrumented System
,
SIS
,
smart factories
,
smart factory
,
Suresh Sugavanam
Wednesday, 13 December 2017
Calculating the proof test effectiveness for a Partial Valve Stroke Test application
The final element of a safety instrumented function is usually the greatest contributing part of the overall SIF PFDavg calculation. Valv...
Labels:
ABB
,
Failures in Time
,
FIT
,
FMEDA
,
Functional Safety
,
IEC61508
,
John Walkington
,
Partial Valve Stroke Test
,
PFDavg
,
PVST
,
Rafal Selega
,
Safety Instrumented Functions
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