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

4. Commissioning

4.6.4 Switch operating mode

Old operating mode
CCON.STOP = 0
SCON.OPEN = 1
Output data
Bytes 2 ... 8 = 0
New operating mode
CCON.OPM1 <> SCON.OPM1
OR
CCON.OPM2 <> SCON.OPM2
CCON.STOP = 1
SCON.OPEN = 0
New operating mode
Festo P.BE−CPX−CMA X−SYS−EN en 0908NH
Assumption:
CCNON. ENABLE = 1
active
and CCON.STOP = 1
When switching between record select and direct modes, Disable operation" is not
required. This can be used for optimising the control function.
[m]
[m]
SCON.OPEN = 0
All bytes which depend on the operating mode are set to zero. This prevents old
setpoint data from affecting the CMAX, although this data might have a completely
[m]
different meaning in the new operating mode.
CCON
Bit B6 = CCON.OPM1
setting
[m]
Bit B7 = CCON.OPM2
[m]
CCON.OPM1 = SCON.OPM1
AND
CCON.OPM2 = SCON.OPM2
If necessary: Enable drive again.
[o]
[o]
SCON.OPEN = 1
active
SCON
Bit B6 = SCON.OPM1
Bit B7 = SCON.OPM2
Wait for acknowledgment of switch.
During the switch, the status bytes
2 to 8 cannot be evaluated, since they cannot be definitely
allocated to one operating mode.
It is imperative that this action
[m]
be executed.
This action is a recommendation.
[o]
It does not have to be executed.
B7 B6 Operating mode
0 0 Record select
0 1 Direct mode
1 0 Commissioning
1 1 Parametrising
4−43