ABB RED650, Technical Manual

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function blocks to a certain level/value, or for creating certain logic. Boolean,
integer, floating point, string types of signals are available.
One FXDSIGN function block is included in all IEDs.
14.9.3 Function block
SEMOD54909-4 v4
FXDSIGN
OFF
ON
INTZERO
INTONE
INTALONE
REALZERO
STRNULL
ZEROSMPL
GRP_OFF
IEC05000445-3-en.vsd
IEC05000445 V3 EN-US
Figure 241: FXDSIGN function block
14.9.4 Signals
PID-6191-OUTPUTSIGNALS v6
Table 311: 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
14.9.5 Settings
PID-1325-SETTINGS v11
The function does not have any settings available in Local HMI or Protection and
Control IED Manager (PCM600).
14.9.6 Operation principle
SEMOD54827-5 v6
There are nine outputs from FXDSIGN function block:
Section 14
1MRK 505 394-UEN A
Logic
472 Line differential protection RED650 2.2 IEC
Technical manual