Start Of A Positioning Task - Festo CPX Series Manual

3. Drive functions

3.4.1 Start of a positioning task

1
Setpoint values
Output data
0
1
Start
CPOS.START (B1)
0
1
Acknowledge Start
SPOS.ACK (B1)
0
1
Motion Complete
SPOS.MC (B2)
0
Fig. 3/11: Start the positioning task
3−70
N − 1 N
1 2
t
min
t at least 1 bus cycle waiting time. Recommendation: 1 PLC cycle.
min:
Not required if consistent data transmission is used.
The sequence of remaining control and status bits
behave according to record select operating mode.
See sections 3.3.1, Fig. 3/10.
1 The desired setpoint value (position, force) and the posi
tioning condition (absolute/relative, speed or force ramp,
etc.) are set in the output data of the PLC.
SCON.FAULT must be 0 during the entire sequence.
2 With the rising edge at CPOS.START, the CMAX accepts
the setpoint values, starts the positioning task, sets
SPOS.MC = 0 and acknowledges the starting edge with
SPOS.ACK.
N + 1
3
Festo P.BE−CPX−CMA X−CONTROL−EN en 0908NH
N + 2
4