17.12.3 Setting guidelines
The settings tAlarm and tWarning are user settable limits defined in seconds. The
achievable resolution of the settings depends on the level of the values defined.
A resolution of 10 ms can be achieved when the settings are defined within the range
1.00 second ≤ tAlarm ≤ 99 999.99 seconds
1.00 second ≤ tWarning ≤ 99 999.99 seconds.
If the values are above this range, the resolution becomes lower due to the 32 bit float
representation
99 999.99 seconds < tAlarm ≤ 999 999.0 seconds
99 999.99 seconds < tWarning ≤ 999 999.0 seconds
Note that tAlarm and tWarning are independent settings, that is, there is no
check if tAlarm > tWarning.
The limit for the overflow supervision is fixed at 999999.9 seconds.
17.13 Comparator for integer inputs - INTCOMP
17.13.1 Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Comparison of integer values INTCOMP Int<=>
17.13.2 Application
The function gives the possibility to monitor the level of integer values in the system
relative to each other or to a fixed value. It is a basic arithmetic function that can be used
for monitoring, supervision, interlocking and other logics.
17.13.3 Setting guidelines
For proper operation of comparison the set value should be set within the range of ± 2
×10
9
.
Section 17 1MRK 506 369-UUS -
Logic
810 Line distance protection REL670 2.2 ANSI
Application manual
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