Card
Name of signal
Description Displayed on
local HMI as
Reasons for activation
ADM
ADM-Error
A/D
Module
Error
status
ADM32
Activated if the module has a hardware
error.
LDCM
LDCM-Error
Line
Differentia
l
Communi
cation
Module
Error
status
LDCM3nn
Activated if the module has a hardware
error.
n = slot number
TRM
TRM-Error
Transform
er Module
Error
status
TRM40
18.5.5.2
Supervision of analog inputs
M11401-136 v7
The analog signals to the A/D converter is internally distributed into two different
converters, one with low amplification and one with high amplification.
When the signal is within measurable limits on both channels, a direct comparison
of the two A/D converter channels can be performed. If the validation fails, the
CPU will be informed and an alarm will be given for A/D converter failure.
18.5.6
Technical data
IP10272-1 v2
M11963-1 v5
Table 588:
Self supervision with internal event list
Data
Value
Recording manner
Continuous, event controlled
List size
40 events, first in-first out
18.6
ChangeLock function CHNGLCK
GUID-E8A1C33A-DD65-42B5-BA13-CFAE40C2C9AD v2
18.6.1
Functionality
GUID-00784FC0-B39D-462D-854B-AAF62626DD0A v3
Change lock function CHNGLCK is used to block further changes to the IED
configuration and settings once the commissioning is complete. The purpose is to
block inadvertent IED configuration changes beyond a certain point in time.
The change lock function activation is normally connected to a binary input.
Section 18
1MRK 506 382-UEN A
Security
790
Line distance protection REL650 2.2 IEC
Technical manual
Summary of Contents for RELION 650 SERIES
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