4 function description, 1 integrated protection mechanisms, 2 functions – Pilz PNOZ m EF 8DI4DO User Manual
Page 10: 3 system reaction time, 4 block diagram, Section 4, Function description, Integrated protection mechanisms, Functions, System reaction time
Function description
Operating Manual PNOZ m EF 8DI4DO
1002661EN02
10
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 builtin selfmonitoring.
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The safety function remains effective in the case of a component failure.
4.2
Functions
The expansion module provides additional inputs and additional semiconductor outputs.
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 online help on the PNOZmulti Configurator contains descriptions of the operating
modes and all the functions of the PNOZmulti 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