Festo Контроллеры двигателя SFC-LAC - Manual (Page 171)

5. Commissioning
5−69
Festo GDCP−SFC−LACI−CO−EN en 0812NH
Start/stop record
Nominal record
number for output
data
Stop CCON.B1
(STOP)
Acknowledge start
SPOS.B1 (ACK)
Motion Complete
SPOS.B2 (MC)
Actual record
number for input
data
N − 1 N N + 1
N − 1 N
1
0
1
0
1
0
1
0
1
0
1
2
3
4
6
1
0
1
0
Axis moves
SPOS.B4 (MOV)
Start CPOS.B1
(START)
N + 1
5
1
Requirement: Acknowledge start" = 0
2
Rising edge at START causes the new
record number N to be accepted and
Acknowledge start" to be set.
3
As soon as Acknowledge start" is
recognised by the PLC, START may be
set to 0 again.
4
The controller reacts with a falling
edge at Acknowledge start".
5
As soon as Acknowledge start" is
recognised by the PLC, the next record
number may be started.
6
A currently running positioning task
can be stopped with STOP.
Fig. 5/4: Sequence diagram for start/stop record