Festo Электромотор MTR-DCI - Manual (Page 168)

5. Commissioning
5-70
Festo P.BE-MTR-DCI-CO-EN en 1209a
Start/stop record
Nominal record
number
Output data
Stop
CCON.B1 (STOP)
Quit Start
SPOS.B1 (ACK)
Motion Complete
SPOS.B2 (MC)
Actual record
number
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
The axis moves
SPOS.B4 (MOV)
Start
CPOS.B1 (START)
N +1
5
1
Prerequisite:
“Quit Start” = 0
2
Rising edge at “Start” causes the new
record number N to be accepted and
“Quit Start” to be set
3
As soon as “Quit Start” is recognized
by the PLC, “Start” may be set to 0
again
4
The controller reacts with a falling
edge at “Quit Start”
5
As soon as “Quit Start” is recognized
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 Start/stop record