Technical data

Station status byte 2
If bit 1 and bit 0 are set at the same time, bit 0 has the higher priority.
Bit no.
Meaning
Explanation
7
Deactivated
6 Reserved
5 Sync_Mode
4 Freeze_Mode
3 WD_On
2
1 Stat_Diag
0
This bit is set by the CP (DP master)
when the DP slave no longer exists
Set by the DP slave after receiving
sync command.
Watchdog on (response monitoring)
DP slave is active (bit = "1").
The slave sets this permanently to
Static diagnostics
If this bit is set, the DP master must
fetch diagnostic data from the
DP until the DP slave can make
valid network data available so that
this bit can be reset.
Prm_Req This bit is set by the DP slave when it
has new parameters assigned and
must be configured.
"1".
in the DP pollin list.
Status_From_Slv
Set by the DP slave after receiving
freeze command.
Table 11.5 Station Status Byte 2
Distributed I/Os (DP) B89060/02
Volume 1 11 - 56