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23/30478752 DC BS EN IEC 60947-5-3. Low-voltage switchgear and controlgear - Part 5-3. Control circuit devices and switching elements. Requirements for proximity devices with defined behaviour under fault conditions (PDDB), 2023
- 121A_568e_CD.pdf [Go to Page]
- CONTENTS
- FOREWORD
- 1 Scope
- 2 Normative references
- 3 Terms and definitions [Go to Page]
- 3.1 General terms and definitions
- 3.2 Terms and definitions concerning Annex B
- 3.3 Symbols and abbreviations
- 4 Classification [Go to Page]
- 4.1 General
- 4.2 Classification according to sensing means
- 4.3 Classification according to the mechanical installation
- 4.4 Classification according to the construction form and size
- 4.5 void
- 4.6 Classification according to type of output [Go to Page]
- 4.6.1 Interface Type
- 4.7 Classification according to method of connection
- 4.8 Electrical Equipment Class [Go to Page]
- 4.8.1 Void
- 4.8.2 Void
- 4.8.3 Electrical Equipment Class III
- 4.9 PDDB types [Go to Page]
- 4.9.1 PDDB Type 1
- 4.9.2 PDDB Type 2
- 4.9.3 PDDB Type 3
- 4.10 Interlocking Device Type [Go to Page]
- 4.10.1 Interlocking Device Type 3
- 4.10.2 Interlocking Device Type 4
- 4.11 Target Coding [Go to Page]
- 4.11.1 Coding Level low
- 4.11.2 Coding Level medium
- 4.11.3 Coding Level high
- 4.12 Operating Mode [Go to Page]
- 4.12.1 Operating Mode TP
- 4.12.2 Operating Mode TA
- 4.12.3 Combined operating Mode TP&TA
- 5 Characteristics [Go to Page]
- 5.1 General [Go to Page]
- 5.1.1 Summary of characteristics
- 5.1.2 Safety function
- 5.2 Safety related switching distances [Go to Page]
- 5.2.1 General
- 5.2.2 Switching distance sAs
- 5.2.3 Switching distance sPs
- 5.3 Rated and limiting values for the proximity switch and switching element(s) [Go to Page]
- 5.3.1 Voltages [Go to Page]
- 5.3.1.1 Rated operational voltage (Ue)
- 5.3.1.2 Rated insulation voltage (Ui)
- 5.3.1.3 Rated impulse withstand voltage (Uimp)
- 5.3.1.4 Voltage drop (Ud)
- 5.3.1.5 Operating voltage range (UB)
- 5.3.1.6 Maximum OFF-state Voltage (UL max)
- 5.3.2 Currents [Go to Page]
- 5.3.2.1 Rated operational current (Ie)
- 5.3.2.2 Minimum operational current (Im)
- 5.3.2.3 Off-state current (Ir)
- 5.3.2.4 No-load supply current (Io)
- 5.3.3 Rated supply frequency
- 5.3.4 void
- 5.3.5 Normal load and abnormal load characteristics
- 5.3.6 Short-circuit characteristics
- 5.3.7 OFF-state of the OSSD
- 5.3.8 Interface Type A0, B0, C0, C1, C2, C3 [Go to Page]
- 5.3.8.1 Static characteristics
- 5.3.8.2 Dynamic Characteristics
- 5.4 Utilization categories for the switching element
- 5.5 Safety related characteristics [Go to Page]
- 5.5.1 Proximity device with defined behaviour
- 5.5.2 Safety integrity
- 5.6 Electrical Equipment Classes [Go to Page]
- 5.6.1 Electrical Equipment Class III
- 6 Product information [Go to Page]
- 6.1 Nature of information - Identification
- 6.2 Marking [Go to Page]
- 6.2.1 General
- 6.2.2 Terminal identification and marking
- 6.2.3 Marking of Electrical Equipment Class II
- 6.2.4 Marking of Electrical Equipment Class III
- 6.3 Instructions for installation, operation and maintenance [Go to Page]
- 6.3.1 Information for PDDB of Electrical Equipment Class III
- 6.3.2 Diagnostic test information
- 6.3.3 Information to the interface types
- 6.4 Environmental information [Go to Page]
- 6.4.1 Environmentally conscious design process (ECD process)
- 6.4.2 Procedure to establish material declaration
- 7 Normal service, mounting and transport conditions [Go to Page]
- 7.1 Normal service conditions
- 7.2 Conditions during transport and storage
- 7.3 Mounting
- 8 Constructional and performance requirements [Go to Page]
- 8.1 Constructional requirements [Go to Page]
- 8.1.1 Materials
- 8.1.2 Current-carrying parts and their connections
- 8.1.3 Clearance and creepage distances
- 8.1.4 Actuation
- 8.1.5 Vacant
- 8.1.6 Vacant
- 8.1.7 Terminals [Go to Page]
- 8.1.7.1 Constructional requirements
- 8.1.7.2 Connecting capacity
- 8.1.7.3 Connection means
- 8.1.7.4 Connection identification and marking
- 8.1.8 Vacant
- 8.1.9 Provision for protective earthing
- 8.1.10 Enclosure Protecting
- 8.1.11 Requirements for proximity switches with integrally connected cables
- 8.1.12 Electrical Equipment Class for a PDDB
- 8.1.13 Chemical stress
- 8.1.14 Equipment design
- 8.1.15 Protection against artificial optical radiation
- 8.1.16 Biological and chemical effects
- 8.1.17 Unattended operation
- 8.1.18 Limited energy source [Go to Page]
- 8.1.18.1 General
- 8.1.18.2 Limited energy source with galvanic separation
- 8.1.18.3 Limited energy source with current limiting impedance
- 8.1.19 Safety related security
- 8.1.20 Requirements for embedded software
- 8.1.21 Requirements for safety related hardware
- 8.2 Performance requirements [Go to Page]
- 8.2.1 Operating conditions [Go to Page]
- 8.2.1.1 General
- 8.2.1.2 void
- 8.2.1.3 Switching distances [Go to Page]
- 8.2.1.3.1 Margins for safety related switching distances
- 8.2.1.4 void
- 8.2.1.5 void
- 8.2.1.6 Switching times [Go to Page]
- 8.2.1.6.1 Turn-on time (ton)
- 8.2.1.6.2 Turn-off time (toff)
- 8.2.1.7 Time-delay before availability (tv)
- 8.2.1.8 void
- 8.2.1.9 Rated operational current (Ie)
- 8.2.1.10 Minimum operational current (Im)
- 8.2.1.11 OFF-state current (Ir)
- 8.2.1.12 Switching element operation
- 8.2.1.13 Voltage drop (Ud)
- 8.2.1.14 Operating voltages of 24 VDC solid state OSSD
- 8.2.2 Temperature rise
- 8.2.3 Dielectric properties
- 8.2.4 Ability to make and break under normal load and abnormal load conditions
- 8.2.5 Conditional short-circuit current
- 8.2.6 Electromagnetic compatibility (EMC) [Go to Page]
- 8.2.6.1 General
- 8.2.6.2 Immunity [Go to Page]
- 8.2.6.2.1 Performance criterion DS (defined safe)
- 8.2.6.2.2 Application of the performance criterion DS
- 8.2.6.2.3 Aspects to be considered during application of performance criterion DS
- 8.2.6.2.4 Use of external devices
- 8.2.6.3 Emission
- 8.2.6.4 EMC requirements
- 8.3 Physical dimensions
- 8.4 Shock and vibration [Go to Page]
- 8.4.1 Shock
- 8.4.2 Vibration
- 8.4.3 Results to be obtained
- 8.4.4 Special environmental condition – damp heat, salt mist, vibration and shock
- 8.5 Fault detection requirements [Go to Page]
- 8.5.1 Faults
- 8.5.2 Diagnostic
- 8.5.3 Lock-out Condition
- 8.6 Measures to input quantities
- 9 Tests [Go to Page]
- 9.1 Kind of tests [Go to Page]
- 9.1.1 General
- 9.1.2 Type tests
- 9.1.3 Routine tests
- 9.1.4 Sampling tests
- 9.1.5 Evaluation of characteristics
- 9.2 Compliance with constructional requirements [Go to Page]
- 9.2.1 General
- 9.2.2 Materials [Go to Page]
- 9.2.2.1 Test of resistance to abnormal heat and fire
- 9.2.3 void
- 9.2.4 Enclosures for equipment
- 9.2.5 Mechanical and electrical properties of terminals
- 9.2.6 indication of the main contact position of the device suitable for isolation
- 9.2.7 Limited energy source test
- 9.2.8 Stored charge energy test
- 9.2.9 Conduit pull-out test, torque test and bending test with metallic conduits
- 9.2.10 Test of earth continuity for protective earth
- 9.2.11 Breakdown of components
- 9.2.12 Short-circuit and overload protection of ports
- 9.2.13 void
- 9.2.14 Wire flexing test
- 9.2.15 Artificial optical radiation test
- 9.3 Performances [Go to Page]
- 9.3.1 Test sequences
- 9.3.2 General test conditions [Go to Page]
- 9.3.2.1 General requirements
- 9.3.2.2 Test quantities [Go to Page]
- 9.3.2.2.1 Nominal test quantities
- 9.3.2.2.2 Expanded test quantities
- 9.3.2.3 Evaluation of test result
- 9.3.2.4 Test reports
- 9.3.3 Performance under no load, normal load and abnormal load conditions [Go to Page]
- 9.3.3.1 Operation
- 9.3.3.2 Operating limits [Go to Page]
- 9.3.3.2.1 Time delay before availability
- 9.3.3.2.2 Minimum operational current (Im)
- 9.3.3.2.3 OFF-state current (Ir)
- 9.3.3.2.4 Independent action
- 9.3.3.2.5 Voltage drop (Ud)
- 9.3.3.3 Temperature rise
- 9.3.3.4 Dielectric properties
- 9.3.3.5 Making and breaking capacities
- 9.3.3.6 Results to be obtained
- 9.3.4 Performances under short-circuit current conditions
- 9.3.5 Fault insertion tests
- 9.4 Verification of the safety related switching distances [Go to Page]
- 9.4.1 General
- 9.4.2 Observing of the switching distance
- 9.4.3 Arithmetical Mean
- 9.4.4 Standard Uncertainty
- 9.4.5 Expanded Uncertainty
- 9.4.6 Margins [Go to Page]
- 9.4.6.1 Margin M1 (Test equipment)
- 9.4.6.2 Margin M2 (Components and Assembly)
- 9.4.6.3 Margin M3 (Influence Quantities)
- 9.4.7 Rounding
- 9.4.8 Acceptance criteria [Go to Page]
- 9.4.8.1 General
- 9.4.8.2 Acceptance criteria for any EUT
- 9.4.8.3 Acceptance criteria for EUT’s used for evaluating or verifying the characteristic switching distance values
- 9.4.9 Monitoring of the safety related switching distances
- 9.5 Void
- 9.6 Verification of electromagnetic compatibility [Go to Page]
- 9.6.1 General
- 9.6.2 Immunity
- 9.6.3 Emission
- 9.7 Test results and test report
- Annex A (informative) Example of a safety related control system [Go to Page]
- A.1 Description [Go to Page]
- A.1.1 Safety integrity level requirements, Performance level requirements
- A.1.2 Conditions of use
- A.2 Realization
- A.3 Collection of data
- A.4 Quantitative Calculation
- A.5 Results
- Annex B (informative) Classification of Binary Interfaces - Functional Safety aspects covered by dynamic testing [Go to Page]
- B.1 General
- B.2 Minimum information on compatibility to be provided in the manufacturer's documentation [Go to Page]
- B.2.1 Basic electrical parameters
- B.2.2 Structure of the identifying key for a PDDB
- B.3 Characteristics of interface type A0 [Go to Page]
- B.3.1 Static characteristics of interface type A0
- B.3.2 Dynamic characteristics of interface type A0
- B.3.3 Product information to be supplied by the manufacturer
- B.4 Characteristics of interface type B0 [Go to Page]
- B.4.1 Static characteristics of interface type B0
- B.4.2 Dynamic characteristics of interface type B0
- B.4.3 Product information to be supplied by the manufacturer
- B.5 Characteristics of interface type C [Go to Page]
- B.5.1 Static characteristics of interface type C
- B.5.2 Dynamic characteristics of interface type C [Go to Page]
- B.5.2.1 Test pulse duration ti
- B.5.2.2 Test pulse interval T
- B.5.3 Classification of interface type C [Go to Page]
- B.5.3.1 Classes
- B.5.3.2 Sequence of test pulses
- B.5.3.3 Discrepancy time ∆tdis
- B.5.4 Product information to be supplied by the manufacturer
- Annex C (normative) Catalogue of single faults affecting the electrical equipment of the PDDB [Go to Page]
- C.1 General
- C.2 Conductors and connectors
- C.3 Switches
- C.4 Discrete electrical components
- C.5 Solid-state electrical components
- Annex D (informative) Failure rate database
- Annex E (informative) Defining and verification of the safety related switching distances [Go to Page]
- E.1 General
- E.2 Observing the switching distances
- E.3 Evaluating of the characteristics of the switching distances
- E.4 Verifying the switching distances
- E.5 Characteristics of the measurement results
- E.6 Deviation
- E.7 Uncertainty [Go to Page]
- E.7.1 Nature of uncertainty
- E.7.2 Methods for dealing with uncertainty
- E.7.3 Verification with nominal test quantities
- E.7.4 Verification with expanded test quantites and modified EUT’s
- E.7.5 Practical considerations
- E.7.6 Margins for the Switching Distance [Go to Page]
- E.7.6.1 Margin M1 (Test equipment)
- E.7.6.2 Margin M2 (Components and Assembly)
- E.7.6.3 Margin M3 (Influence Quantities)
- E.7.7 Acceptance criteria [Go to Page]
- E.7.7.1 Determination or verification of the switching distance characteristics
- E.7.7.2 Observation in the operation phase
- E.8 Monitoring of the safety related switching distances
- Annex F (informative) CCE
- Annex G Reference to Machine Directive
- Bibliography [Go to Page]
