4. Commissioning
4−21
Festo P.BE−CPX−CMAX−SYS−EN en 0908NH
Allocation of the status bytes (overview)
SCON
Byte 1
B7
OPM2
B6
OPM1
B5
FCT_MMI
B4
24VL
B3
FAUL T
B2
WARN
B1
OPEN
B0
ENA BLED
For operating mode
acknowledgement,
see Tab.4/3
Device
control
software
Load
voltage
applied
Malfunc
tion
Warning Oper
ation
enabled
Drive
enabled
SPOS
Byte 2
B7
REF
B6
STILL
B5
DEV
B4
MO V
B3
TEACH
B2
MC
B1
ACK
B0
HOLD
Drive ref
erenced
Shut
down
warning
Following
error
Axis mov
ing
Teach
acknow
ledgment
Motion
complete
Acknow
ledge
start
SDIR
Byte 3
B7
B6
FAST
1)
B5
XLIM
B4
VLIM
B3
CONT
B2
COM2
B1
COM1
B0
ABS
1)
Exact
stop /
fast stop
active
Stroke
limit re
ached
Speed
limit re
ached
Tracking
mode
Acknow−
ledge
ment
control
mode 2
Acknow−
ledge−
ment
control
mode 1
Absolute
/relative
Second
ary actual
value
Byte 4: Acknowledgement of the actual value of the speed in percentage of the set value
(PNU540).
Primary
actual
value
Byte 5 ... 8: Acknowledgement of the actual value of the position or force in the configured
system of units, depending on the operating status and the FHPP setting (PNU 523).
1)
The status bit only changes when the job is accepted (starting edge). All other status bits in the
SDIR and RSB are cyclically updated.