GUID-D765D028-CDAB-44DA-AD6C-AEF8BC84C182 V1 EN
Figure 69:
Compare report
Table 6:
Acronyms used in a report
Acronym
Description
DA
Data attribute
DO
Data object
IED
Intelligent electronic device
LN
Logical node
SIG
Signal
5.7
Protection and control blocking examples
All the relay’s logical nodes are set with
Test mode
.
Test mode
is selected through one
common parameter via the HMI path
Tests/IED test
. By default,
Test mode
can only
be set locally through LHMI.
Test mode
is also available via IEC 61850
communication (LD0.LLN0.Mod).
Table 7:
Test mode
Test mode
Description
Protection BEH_BLK
Normal mode
Normal operation
FALSE
IED blocked
Protection working as in Normal mode but ACT
configuration can be used to block physical
outputs to process. Control function commands
are blocked.
TRUE
IED test
Protection working as in Normal mode but
protection functions work in parallel with test
parameters.
FALSE
IED test and blocked
Protection working as in Normal mode but
protection functions work in parallel with test
parameters. ACT configuration can be used to
block physical outputs to process. Control function
commands are blocked.
TRUE
Section 5
1MRS759117 A
Protection and control engineering
92
REX640
Engineering Manual