Lenze EVS9332xP Manual do Utilizador descarregar pdf (Página 425)

100

101

Safety engineering

Functional test

Monitoring the safety function with a PLC

11.5

11.5.3



11.5−3

EDSVS9332P EN 5.0−07/2013

11.5.3 Monitoring the safety function with a PLC

µC

PWM

RFR

DC 24 V

9300

IN 1

IN 2

IN 3

IN 4

X11/34

X11/33

X11/K32

X11/K31

X5/28

DIGOUT

9300vec104

Fig. 11.5−1 Circuit diagram for monitoring the safety function with a PLC

S1, S2 Separate disconnection options of the two disconnecting paths

Safety relay

X11/34 Safety relay control

X11/33 Safety relay control (GND)

X11/K32 Forcibly guided feedback contact (24 V)

X11/K31 Forcibly guided feedback contact

DIGOUT Digital output for evaluating the motor current

X5/28 Controller inhibit

Z1 Programmable logic controller (PLC)

IN 1 − 4 Digital inputs

The following conditions must be met:

ƒ The PLC must be programmed such that the complete system is set to a

safe state immediately when the function check leads to an

impermissible state.

ƒ The parameter setting of a digital output must be such that you can

conclude to the output current I

motor

of the drive (see parameterisation

example).

Requirements

1 2 ... 420 421 422 423 424 425 426 427 428 429 430 ... 444 445

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