Pilz PNOZ m1p base unit Bedienungsanleitung PDF herunterladen (Seite 12)

Function description

Operating Manual PNOZ m1p (ETH)

20878-EN-12

Function description

Integrated protection mechanisms

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.

} The relay contacts meet the requirements for safe separation through increased insula-

tion compared with all other circuits in the safety system.

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

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.

Block diagram

Interface

fieldbus,

expansion

module

Interface

chip card

Ethernet/

RS 232

Interface

expansion

module

O4 O5

A1 A2 I0 I14I6 I11I9 I10 I13I8I7 I16I12 I18I15I2 I4 I5I1 I3 I17 I19

Input

Power

Cascading

Test pulse

output

24 V0 V

24 V 0 V

1323

CI+ CI- CO+ CO-

T0 T1 T2 T3 O0 O1 O2 O3 OA0

14 24

4.1

4.2

4.3

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 39 40

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