•
LINKUP indicates the Ethernet link status
•
WARNING indicates that communication (frame rate) is higher than normal
•
ALARM indicates that the IED limits communication
4.15.3
Function blocks
DOSFRNT
LINKUP
WARNING
ALARM
IEC09000749-1-en.vsd
IEC09000749 V1 EN
Figure 43:
DOSFRNT function block
DOSOEMAB
LINKUP
WARNING
ALARM
IEC09000750-1-en.vsd
IEC09000750 V1 EN
Figure 44:
DOSOEMAB function block
DOSOEMCD
LINKUP
WARNING
ALARM
IEC09000751-1-en.vsd
IEC09000751 V1 EN
Figure 45:
DOSOEMCD function block
4.15.4
Signals
Table 57:
DOSFRNT Output signals
Name
Type
Description
LINKUP
BOOLEAN
Ethernet link status
WARNING
BOOLEAN
Frame rate is higher than normal state
ALARM
BOOLEAN
Frame rate is higher than throttle state
Section 4
1MRK505222-UUS C
Basic IED functions
118
Technical reference manual
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