Pilz PNOZ m B0 Manual do Utilizador descarregar pdf (Página 12)

Functiondescription

OperatingManualPNOZmB0

1002660EN03

4 Functiondescription

4.1 Integratedprotectionmechanisms

Therelayconformstothefollowingsafetycriteria:

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Thecircuitisredundantwithbuiltinselfmonitoring.

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Thesafetyfunctionremainseffectiveinthecaseofacomponentfailure.

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Thesafetyoutputsaretestedperiodicallyusingadisconnectiontest.

4.2 Functions

Thefunctionoftheinputsandoutputsonthecontrolsystemdependsonthesafetycircuit

createdusingthePNOZmultiConfigurator.Achipcardisusedtodownloadthesafetycir

cuittothebaseunit.Thebaseunithas2microcontrollersthatmonitoreachother.They

evaluatetheinputcircuitsonthebaseunitandexpansionmodulesandswitchtheoutputs

onthebaseunitandexpansionmodulesaccordingly.

TheLEDsonthebaseunitandexpansionmodulesindicatethestatusoftheconfigurable

controlsystemPNOZmulti.

TheonlinehelponthePNOZmultiConfiguratorcontainsdescriptionsoftheoperating

modesandallthefunctionsofthecontrolsystem,plusconnectionexamples.

4.3 Systemreactiontime

Calculationofthemaximumreactiontimebetweenaninputswitchingoffandalinkedout

putinthesystemswitchingoffisdescribedinthedocument"SystemExpansion".

4.4 Blockdiagram

Power

A1 A2

Input

Configurable

output

24 V 0 V

24 V

0 V

T1M21

IM1

I8I5

I11

I4 I9 I12 I13 I14 I15I7I6

I10

IM2IM0

IM3

IM16 IM18

IM17 IM19

Interface

extension

module

USB

Interface

extension

module

Configurable

input/output

T2M22

T3M23

T0M20

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 38 39

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