09 Sorting GRAFCET PDF

 

Sorting station Function chart

DE 01/04

 

 Function chart according to DIN EN 60848

The following figure displays a comparison of symbols of DIN 40719-6 (1992-02) and symbols of DIN EN 60848 (2002-12).

S

N

D

delay t=3s

9

3s/X9 "delay"

 

Left: DIN 40719-6; right: DIN EN 60848

Note  The standard DIN 40719-6 40719-6 is valid until 2005-04.

2 

DIN 40719-6 1992-02

Diagrams, charts, tables; rules for function charts; (IEC 848 modified)

DIN EN 60848 2002-12

GRAFCET specification language for sequential function charts; (IEC 60848)

© Festo Didactic GmbH & Co. KG • MPS

 

Function chart Sorting station  

sequential function chart according to DIN EN 60848 (IEC 60848) for the Sorting station 1-bit-link

1

Start

station is reset and in initial position

station is not reset 2 "reset" indicator light

turn on "reset" indicator light

"reset" button pressed 3 initial position

move station to initial position station in initial position

4 reset ok

D 19

set flag "reset finished" flag "reset finished" is set

5 empty step: cycle start

flag "start" is not set 6 "start" indicator light

flag "start" is set

turn on "start" indicator light

flag "start" is set A7

© Festo Didactic GmbH & Co. KG • MPS

 

3 

 

Function chart Sorting station

A6 B 12 12 C 11 11

7 "slide full" indicator light

turn off "slide full" indicator light

slide is full

slide is not full 11

8 station not  occupied

station is not occupied

empty step: finish transportation

workpiece available 1s/X11 and slide still full 9 conveyer belt motor

station occupied turn on conveyer belt motor

C7 12

station is occupied

slide

3s/X9 and workpiece not available

1s/X11 and slide not full

full

turn on "slide full" indicator light

10 empty step: workpiece sensing

turn on "start" indicator light

2s/X10 "delay" 13

error acknowledged B7

empty step: sorting

workpiece is silver

workpiece is red 14 extend separator 1

extend separator 1

16 extend separator 2

separator 1 extended 15

retract stopper

retract stopper

workpiece has reached slide

19 cycle end

workpiece is black

extend separator 2

separator 2 extended 17 retract stopper

retract stopper workpiece has reached slide

18 retract stopper

retract stopper workpiece has reached slide

set flag "cycle end" move station to initial position

station in initial position D5

4 

 

© Festo Didactic GmbH & Co. KG • MPS