Festo CPX-CMAX-C1-1 User Manual

3. Drive functions
3−51
Festo P.BE−CPX−CMA X−CONTROL−EN en 0908NH
1 PLC:
Prepare teaching
2 CMAX:
Ready for teaching
3 PLC:
Teach now
4 CMAX:
Value transferred
1
0
Acknow−
ledgement
SPOS.TEACH
Teach value
CPOS.TEACH
12
1
0
34
Fig.3/9: Handshake during teaching
Notes:
 The drive must not stand still for teaching. However, a
speed of 1 m/s means that the actual position changes by
1 mm every millisecond. With the usual cycle times of the
PLC + fieldbus + CMAX, there will be inaccuracies of sev
eral millimetres, even at a speed of
only 100 mm/s.
It is still possible to teach the setpoint value if a record is
disabled.
If the setpoint value of a non−initialised record is taught,
a corresponding new record is initialised and assigned
default values. Here, the position is fundamentally taught.
 Only absolute setpoint values are taught. During teach
ing, bit
RCB1.ABS = 0 is therefore set in record control
byte 1 of the taught record.

Festo CPX-CMAX-C1-1 Specifications

General

Brand	Festo
Model	CPX-CMAX-C1-1
Category	Controller
Language	English