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    BS EN 61131-2-2003 可编程控制器 第2部分:设备要求和试验.pdf

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    BS EN 61131-2-2003 可编程控制器 第2部分:设备要求和试验.pdf

    1、This part of IEC 61131 specifies requirements and related tests for programmable controllers(PLCs) and their associated peripherals (for example, programming and debugging tools(PADTs), human-machine interfaces (HMIs), etc.) which have as their intended use thecontrol and command of machines and ind

    2、ustrial processes.PLCs and their associated peripherals are intended to be used in an industrial environmentand may be provided as open or enclosed equipment. If a PLC or its associated peripheralsare intended for use in other environments (light industrial, commercial, residential), then thespecifi

    3、c requirements, standards and installation practices for those other environmentsshould be additionally applied to the PLC and its associated peripherals.This standard also applies to any products performing the function of PLCs and/or theirassociated peripherals.Equipment covered in this standard i

    4、s intended for use in overvoltage category II (IEC 60664-1)in low-voltage installations, where the rated equipment supply voltage does not exceed a.c.1 000 V r.m.s. (50/60 Hz), or d.c. 1 500 V. (If PLCs or their associated peripherals are appliedin overvoltage category III installations, then additi

    5、onal analysis will be required to determinethe suitability of the equipment for those applications.)This standard does not deal with the functional safety or other aspects of the overallautomated system. PLCs, their application programme and their associated peripherals areconsidered as components o

    6、f a control system.Since PLCs are component devices, safety considerations for the overall automated systemincluding installation and application are beyond the scope of this standard. Refer toIEC 60364-1 or applicable national/local regulations for electrical installation and guidelines.However, PL

    7、C safety as related to electric shock and fire hazards, electrical interferenceimmunity and error detecting of the PLC-system operation (such as the use of parity checking,self-testing diagnostics, etc.), are addressed.This standard also specifiesa) service, storage and transportation requirements f

    8、or PLCs and their associatedperipherals (Clause 4);b) functional requirements for PLCs and their associated peripherals (Clause 5);c) EMC requirements for PLCs and their associated peripherals (Clause 8);d) safety requirements for PLCs and their associated peripherals (Clause 11);e) information that

    9、 the manufacturer is required to supply (Clauses 7, 10 and 14);f) test methods and procedures that are to be used for the verification of compliance ofPLCs and their associated peripherals with the requirements (Clauses 6, 9 and 12).g) safety routine tests for PLCs and their peripherals (Clause 13).The tests are type tests or production routine tests, and not tests related to the ways PLCsystems are applied.


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