Safety engineering – Lenze EVF9383 User Manual

Page 422

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Safety engineering

Functional test
Monitoring the safety function with a PLC

11

11.4
11.4.3

l

11.4−4

EDSVF9383V EN 7.1−04/2012

In the following we will show you a possibility of parameterising a digital
output, so that a conclusion with regard to the motor current is provided.

Sequence

Parameter

Note

1.

Configure function block CMP3
(comparator)

l

Connect CMP3−IN1 to
MCTRL−IACT

C0693/1 = 5004

l

Connect CMP3−IN2 to
FCODE−472/1

C0693/2 = 19521

l

Configure the function IN1 < IN2

C0690 = 3

2.

Configure output signal of CMP3

l

Connect DIGOUT4 to CMP3−OUT

C0117/4 = 10660

3.

Enter function block CMP3 in the
processing table

l

Select a free space in the
processing table
In the Lenze setting, for instance
space 2 of the processing table is
free

C0465/2 = 10660

4.

Set the current threshold

l

Set the current threshold for
I

rated_FI

to 2 %

C0472/1 = 2.00

I

Motor

= 0

® DIGOUT4 = HIGH

I

Motor

¹ 0 ® DIGOUT4 = LOW

Example: Parameterising a
digital output

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