Festo Контроллер позиционирования CPX-CMAX - Manual (Page 119)

3. Drive functions
3−57
Festo P.BE−CPX−CMA X−CONTROL−EN en 0908NH
3.3.1 Start of a record
Setpoint record
number
Output data
Acknowledge Start
SPOS.ACK
Motion Complete
SPOS.MC
Actual record
number
Input data
N − 1
N N + 1
1
0
1
0
1
0
1
0
Start
CPOS.START
N − 1 N
1
0
1 2 3 4 5 6 7
t
min
t
min:
at least 1 bus cycle waiting time. Recommendation: 1 PLC cycle.
Not required if consistent data transmission is used.
Fig. 3/10: Record start sequence
1 Set the required record number in the PLC’s output data.
Until the start, the CMAX continues to reply with the numĆ
ber of the record last processed.
SCON.FAULT must be 0 during the entire sequence.
2 If SPOS.ACK (Acknowledge Start) = 0, the PLC can initiate
execution of the record with a rising edge at CPOS.START.