13.4 Fixed signals FXDSIGN
13.4.1 Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Fixed signals FXDSIGN - -
13.4.2 Functionality
The Fixed signals function FXDSIGN generates nine pre-set (fixed) signals that can
be used in the configuration of an IED, either for forcing the unused inputs in other
function blocks to a certain level/value, or for creating certain logic. Boolean, integer,
floating point, string types of signals are available.
13.4.3 Function block
FXDSIGN
OFF
ON
INTZERO
INTONE
INTALONE
REALZERO
STRNULL
ZEROSMPL
GRP_OFF
IEC09000037.vsd
IEC09000037 V1 EN
Figure 228: FXDSIGN function block
13.4.4 Signals
Table 329: FXDSIGN Output signals
Name
Type Description
OFF BOOLEAN Boolean signal fixed off
ON BOOLEAN Boolean signal fixed on
INTZERO INTEGER Integer signal fixed zero
INTONE INTEGER Integer signal fixed one
INTALONE INTEGER Integer signal fixed all ones
REALZERO REAL Real signal fixed zero
STRNULL STRING String signal with no characters
ZEROSMPL GROUP SIGNAL Channel id for zero sample
GRP_OFF GROUP SIGNAL Group signal fixed off
1MRK 502 048-UEN A Section 13
Logic
453
Technical manual