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

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4. Commissioning
4−29
Festo P.BE−CPX−CMA X−SYS−EN en 0908NH
4.5.5 Direct mode
I/O diagram
t
min
t
min:
At least 1 bus cycle waiting time Recommendation: 1 PLC cycle
Not required if consistent data transmission is used
Setpoint values
Output data
Start
CPOS.START (B1)
Acknowledge start
SPOS.ACK (B1)
Motion complete
SPOS.MC (B2)
N − 1 N
N + 1
1
0
1
0
1
0
1
0
N + 2
1 2 3 4
Fig.4/4: Start the positioning job
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.