Siemens SINUMERIK 840D sl Function Manual page 60

A4: Digital and analog NCK I/Os
1.3 NCK I/O via PROFIBUS - only 840D sl
Further attributes
Further attributes can be allocated to each I/O range with the following machine data:
MD10502 $MN_ DPIO_RANGE_ATTRIBUTE_IN[n]
Bit
0
1
2
3
MD10512 $MN_ DPIO_RANGE_ATTRIBUTE_OUT[n]
Bit
0
1
2
3
Note
● The configuration of the I/O ranges via the corresponding machine data need not be done
● If the registration of one/several I/O range(s) does not run successfully during the NCK-
60
Value Description
0 Little Endian format
1 Big Endian format
Reserved
0 Reading possible via system variables and CC-binding.
1 Reading possible only for CC-binding.
0 Slot-lifespan-alarms are issued.
1 Slot-lifespan-alarms are suppressed.
Value Description
0 Little Endian format
1 Big Endian format
0 Writing only via system variable.
1 Writing only via CC-binding.
Reserved
0 Slot-lifespan-alarms are issued.
1 Slot-lifespan-alarms are suppressed.
persistently. That is, the assignment of the I/O ranges to the corresponding machine
data-indices can be selected in any way.
ramp up phase, the registration is aborted with an alarm (4700 or 4702).
Function Manual, 09/2009, 6FC5397-1BP20-0BA0
Extended Functions