Fixed Signal Function Block Fxdsign - ABB RELION 670 Series Applications Manual

Section 15
Logic
IEC09000695 V2 EN-US
Figure 77:
IEC09000310 V1 EN-US
Figure 78: Example designation, serial execution number and cycle time for logic function
The execution of different function blocks within the same cycle is determined by the order of
their serial execution numbers. Always remember this when connecting two or more logical
function blocks in series.
15.7

Fixed signal function block FXDSIGN

15.7.1 Identification
Function description
Fixed signals
206
Example designation, serial execution number and cycle time for logic function
that also propagates timestamp and quality of input signals
Always be careful when connecting function blocks with a fast cycle time to
function blocks with a slow cycle time.
Remember to design the logic circuits carefully and always check the execution
sequence for different functions. In other cases, additional time delays must be
introduced into the logic schemes to prevent errors, for example, race between
functions.
IEC 61850
identification
FXDSIGN
IEC09000695_2_en.vsd
IEC09000310-1-en.vsd
IEC 60617
identification
-
1MRK 511 364-UUS A
ANSI/IEEE C37.2
device number
-
Application manual
IP15080-1 v2
SEMOD167904-2 v2