82
english
7.7.4 Variant Dependence
PD Invalid
PD Inputs Invalid:
Input data (device-to-master) is marked as invalid if the
device status
(see section 7.1 on page 69) of the device
is
Failure
. In all other states, replacement values for the
data are output for which the content cannot be output
correctly.
PD Outputs Invalid:
If a master sends the process data without explicitly
marking the data as valid by means of
master command
,
the data is not used in the device. The device operates
only with the last valid data. A special behavior can,
however, be defined for various pieces of data (e.g. BNI
can configure the values collected in this state by means of
parameters).
7
System Functions (continued)
BOS R254K-UUI-LS10-S4
Photoelectric Sensors
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