• BS EN 61131-2 : 2007

    Current The latest, up-to-date edition.

    PROGRAMMABLE CONTROLLERS - PART 2: EQUIPMENT REQUIREMENTS AND TESTS

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2007

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    INTRODUCTION
    1 General
       1.1 Scope and object
       1.2 Compliance with this standard
       1.3 Normative references
    2 Type tests
       2.1 Equipment to be tested (equipment under test/EUT)
       2.2 Special features for immunity and EMC tests
       2.3 Withstand test conditions
       2.4 Verification procedure
       2.5 Requirements for test programmes and proper
             functioning verification procedures (PFVPs)
             to be provided by the manufacturer
       2.6 General conditions for tests
    3 Terms and definitions
    4 Normal service conditions and requirements
       4.1 Climatic conditions and requirements
             4.1.1 Operating ambient air temperature
             4.1.2 Relative humidity
             4.1.3 Altitude
             4.1.4 Pollution degree
       4.2 Mechanical service conditions and requirements
             4.2.1 Vibrations
             4.2.2 Shock
             4.2.3 Free falls (portable and hand-held equipment)
       4.3 Transport and storage conditions and requirements
             4.3.1 Temperature
             4.3.2 Relative humidity
             4.3.3 Altitude
             4.3.4 Free falls (PLC units in manufacturer's
                     original packaging)
             4.3.5 Other conditions
       4.4 Electrical service conditions and requirements
             4.4.1 AC and d.c. equipment power supply
             4.4.2 Overvoltage category, control of transient
                     overvoltages
             4.4.3 Non-periodic overvoltages
       4.5 Special conditions and requirements
    5 Functional requirements
       5.1 Functional power supply and memory back-up
             requirements
             5.1.1 AC and d.c. power supply
             5.1.2 Memory back-up
       5.2 Digital I/Os
             5.2.1 Digital inputs (current sinking)
             5.2.2 Digital outputs for alternating currents
                     (current sourcing)
             5.2.3 Digital outputs for direct current (current
                     sourcing)
       5.3 Analogue I/Os
             5.3.1 Analogue inputs
             5.3.2 Analogue outputs
       5.4 Communication interface requirements
       5.5 Main processing unit(s) and memory(ies) of the
             PLC-system requirements
       5.6 Remote input/output stations (RIOSs) requirements
       5.7 Peripherals (PADTs, TEs, HMIs) requirements
       5.8 PLC-system self-tests and diagnostics requirements
       5.9 Functional earthing
       5.10 Mounting requirements
       5.11 General marking requirements
             5.11.1 Functional identifications
             5.11.2 Module location and module identifications
             5.11.3 Functional earth terminals markings
       5.12 Requirements for normal service and functional
             type tests and verifications
       5.13 Requirements for information on normal service
             and function
    6 Normal service and functional type tests and verifications
       6.1 Climatic tests
       6.2 Dry-heat and cold withstand tests
             6.2.1 Variation of temperature
             6.2.2 Cyclic damp heat withstand test
       6.3 Mechanical tests
             6.3.1 Vibration (type test associated with normal
                     service conditions)
             6.3.2 Shock (type test associated with normal
                     service conditions)
             6.3.3 Free fall (type test associated with normal
                     service conditions)
             6.3.4 Free fall (type test associated with
                     transport and storage conditions)
             6.3.5 Plugging/unplugging of removable units
       6.4 Verification of special functional requirements for
             power ports and memory back-up - Special immunity
             limits for power ports
             6.4.1 Verification of functional equipment power
                     input port (a.c. or d.c.)
             6.4.2 External energy supply variation tests
                     (immunity tests)
             6.4.3 Improper equipment power supply connection
                     tests
             6.4.4 Verification of memory back-up requirements
       6.5 Verification of input/output requirements
             6.5.1 General
             6.5.2 Verification of digital inputs
             6.5.3 Verification of digital outputs
             6.5.4 Verification of analogue I/Os
       6.6 Verification of communication interface requirements
       6.7 Verification of MPU requirements
       6.8 Verification of remote I/O stations
             6.8.1 Response time test
             6.8.2 Loss of communication test
             6.8.3 Verification of other requirements
       6.9 Verification of peripheral (PADTs, TEs, HMIs)
             requirements
       6.10 Verification of PLC-system self-tests and
             diagnostics
       6.11 Verification of markings and manufacturer's
            documentation
    7 General information to be provided by the manufacturer
       7.1 Information on type and content of documentation
             7.1.1 Information on catalogues and datasheets
             7.1.2 Information on user's manuals
             7.1.3 Information on technical documentation
       7.2 Information on compliance with this standard
       7.3 Information on reliability
       7.4 Information on other conditions
       7.5 Information on shipping and storage
       7.6 Information on a.c. and d.c. power supply
       7.7 Information on digital inputs (current sinking)
       7.8 Information on digital outputs for alternating
             currents (current sourcing)
       7.9 Information on digital outputs for direct current
             (current sourcing)
       7.10 Information on analogue inputs
             7.10.1 Information on analogue input static
                     characteristics
             7.10.2 Information on analogue input dynamic
                     characteristics
             7.10.3 Information on analogue input general
                     characteristics
             7.10.4 Information on analogue input miscellaneous
                     characteristics
       7.11 Information on analogue outputs
             7.11.1 Information on analogue output static
                     characteristics
             7.11.2 Information on analogue output dynamic
                     characteristics
             7.11.3 Information on analogue output general
                     characteristics
             7.11.4 Information on analogue output miscellaneous
                     characteristics
       7.12 Information on communication interfaces
       7.13 Information on main processing unit(s) and
             memory(ies) of the PLC-system
       7.14 Information on remote input/output stations (RIOSs)
       7.15 Information on peripherals (PADTs, TEs, HMIs)
       7.16 Information on self-tests and diagnostics
    8 Electromagnetic compatibility (EMC) requirements
       8.1 General
       8.2 Emission requirements
             8.2.1 General requirements for emission
             8.2.2 Emission limits in the low-frequency range
             8.2.3 Emission limits in the high-frequency range
       8.3 EMC immunity requirements
             8.3.1 General
             8.3.2 Performance criteria
             8.3.3 Immunity levels
             8.3.4 Voltage dips and interruptions power ports
       8.4 Requirements for EMC tests and verifications
       8.5 Requirements for information on EMC
    9 Electromagnetic compatibility (EMC) type tests and
       verifications
       9.1 Electromagnetic compatibility-related tests
       9.2 Test environment
       9.3 Measurement of radiated interference
       9.4 Measurement of conducted interference
       9.5 Electrostatic discharge
       9.6 Radiofrequency electromagnetic field - Amplitude modulated
       9.7 Power-frequency magnetic fields
       9.8 Fast transient bursts
       9.9 High-energy surges
       9.10 Conducted radiofrequency interference
       9.11 Damped oscillatory wave (for zone C only)
       9.12 Voltage dips and interruptions
    10 Electromagnetic compatibility (EMC) information to be
       provided by the manufacturer
    11 Safety requirements
       11.1 Equipment types and protection
             11.1.1 Open PLC-system equipment
             11.1.2 Enclosed PLC-system equipment
       11.2 Protection against electrical shock
             11.2.1 Permissible limits for accessible parts
             11.2.2 Dielectric strength
             11.2.3 Ports requiring protection
             11.2.4 Protection in normal condition
             11.2.5 Protection in single-fault condition
             11.2.6 Secondary circuits which do not pose a risk
                     of electrical shock
       11.3 Protection against the spread of fire
             11.3.1 Limited power circuits
       11.4 Clearance and creepage distances requirements
             11.4.1 Clearances relating to overvoltage
                     category II
             11.4.2 Clearances for micro-environment where
                     voltages are known and controlled
             11.4.3 Creepage distances for basic and
                     supplementary insulation
             11.4.4 Creepage distances for double/reinforced
                     insulation
             11.4.5 Creepage for field-wiring terminals
       11.5 Flame-retardant requirements for non-metallic
             materials
             11.5.1 Non-metallic enclosure material
             11.5.2 Non-metallic material supporting live parts
             11.5.3 Non-metallic parts
             11.5.4 Decorative and labelling materials
             11.5.5 Internal wiring or interconnection cables
       11.6 Temperature limits
       11.7 Enclosures
             11.7.1 Open equipment
             11.7.2 Enclosed equipment
       11.8 Operator-accessible hazardous live field-wiring
             terminal constructional requirements
       11.9 Provisions for protective earthing
             11.9.1 Protective earthing requirements for
                     enclosed equipment
             11.9.2 Protective earthing requirements for
                     open equipment
       11.10 Wiring
             11.10.1 Internal wiring
             11.10.2 Interconnection wiring
             11.10.3 Equipment power input cord
       11.11 Switching devices
       11.12 Components related to safety requirements
       11.13 Battery requirements
       11.14 Maximum voltage and minimum voltage
       11.15 Markings and identification
             11.15.1 External wiring terminals identification
             11.15.2 Live parts
             11.15.3 Protective earth terminals markings
             11.15.4 Enclosed Class II equipment
             11.15.5 Equipment supplied by SELV/PELV
             11.15.6 Rating information
       11.16 Requirements for safety type tests and verifications
       11.17 Requirements for safety routine tests and
             verifications
             11.17.1 Requirement for dielectric strength
                     verification
             11.17.2 Requirement for protective earthing
                     verification
       11.18 Requirements for information on safety
    12 Safety type tests and verifications
       12.1 Safety-related mechanical tests and verifications
             12.1.1 Impact withstand test
             12.1.2 Operator accessibility tests
             12.1.3 General examination of openings
             12.1.4 Wire flexing test
             12.1.5 Temperature test
             12.1.6 Protective coating test
             12.1.7 Rigidity test
             12.1.8 Clearance and creepage verification
             12.1.9 Field-wiring terminals constructional
                     verification
       12.2 Safety-related electrical tests
             12.2.1 Dielectric withstand verification test
             12.2.2 Protective earthing continuity test
             12.2.3 Stored energy injury risk test
             12.2.4 Overload test
             12.2.5 Endurance test
       12.3 Single-fault condition tests
             12.3.1 Single-fault condition - General
             12.3.2 Single-fault condition - Breakdown of
                     components test
             12.3.3 Single-fault condition - Protective
                     impedance test
             12.3.4 Single-fault condition - isolation
                     transformers test
       12.4 Limited power circuits test
    13 Safety routine tests
       13.1 Dielectric withstand test
       13.2 Dielectric withstand verification test
       13.3 Protective earthing test
    14 Safety information to be provided by the manufacturer
       14.1 Information on evaluation of enclosures for open
             equipment (power dissipation)
       14.2 Information on mechanical terminal connection
    Annex A (informative) - Illustration of PLC-system
                            hardware definitions
    Annex B (informative) - Digital input standard operating
                            range equations
    Annex C (normative) - Test tools
    Annex D (informative) - Zone C - EMC immunity levels
    Annex E (informative) - Overvoltage example
    Annex ZA (normative) - Normative references to international
                           publications with their corresponding
                           European publications
    Annex ZZ (informative) - Coverage of Essential Requirements
                             of EC Directives
    Bibliography

    Abstract - (Show below) - (Hide below)

    Specifies requirements and related tests for programmable controllers (PLCs) and their associated peripherals, which have as their intended use the control and command of machines and industrial processes.

    General Product Information - (Show below) - (Hide below)

    Committee GEL/65/2
    Development Note Supersedes 98/262449 DC (09/2003)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS 6739(2009) : 2009 CODE OF PRACTICE FOR INSTRUMENTATION IN PROCESS CONTROL SYSTEMS: INSTALLATION DESIGN AND PRACTICE

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