Pilz PNOZ mml2p Instrukcja Użytkownika Pobierz pdf (Strona 15)

Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany

Telephone: +49 711 3409-0, Telefax: +49 711 3409-133, E-Mail: [email protected]

4-1

4.1 Device properties

4 Function description

44000Function descriptionFunction description4-4.1Device properties4100Device properties4-

4.1.1 Integrated protection mechanisms

Integrated protection mechanisms4-Sicherheitseigenschaften_multi_allgemein

The relay conforms to the following safety criteria:

 The circuit is redundant with built-in self-monitoring.

 The safety function remains effective in the case of a component

failure.

4.1.2 Function description

Function description4-

4.1.2.1 Operation

Operation4-Funktionsbeschreibung PNOZ ml2p

The link module PNOZ mml2p is used to safely transfer the input

information from decentralised modules to the safety system

PNOZmulti.

Funktionen_multi_Basis

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 circuit 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 PNOZmulti control

system, plus connection examples.

Funktionsbeschreibung PNOZ ml2p_2

Data exchange:

 Communication with the decentralised modules is via a safe data link.

 The link module PNOZ mml2p reads the input information from the

decentralised modules as part of each cycle and then forwards it to

the base unit.

 At the end of a PNOZmulti cycle, the base unit sends its output data

to its link module. This output data is immediately sent to the

decentralised modules.

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Pilz PNOZ mml2p Instrukcja Użytkownika Strona 15