Direct Mode - Festo CPX-CMAX-C1-1 Mounting, Installation And Diagnostics

4. Commissioning

4.5.5 Direct mode

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. 4/4: Start the positioning job
Festo P.BE−CPX−CMA X−SYS−EN en 0908NH
I/O diagram
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 the remaining control and status bits
behave according to the record select operating mode.
See sections 4.5.4, Fig. 4/3.
1 The desired setpoint value (position, force) and the posi
tioning condition (absolute/relative, speed or force ramp,
etc.) are set in the PLC output data.
2 With the rising edge at CPOS.START, CMAX accepts the
setpoint values, starts the positioning job, sets SPOS.MC
= 0 and acknowledges the starting edge with
SPOS.ACK = 1.
N + 1
3
N + 2
4
4−29