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.
OEM
OEM-Error
Optical
Ethernet
Module
Error
status
OEM3nn
Activated if the module has a hardware
error.
n = slot number
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
TRM
TRM-Error
Transform
er Module
Error
status
TRM41
20.5.5.2
Supervision of analog inputs
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.
20.5.6
Technical data
Table 835:
Self supervision with internal event list
Data
Value
Recording manner
Continuous, event controlled
List size
40 events, first in-first out
Section 20
1MRK502052-UEN B
Basic IED functions
1102
Technical manual
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