Hitachi Relion 650 Series User Manual

11.2.3 Function block
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FXDSIGN
OFF
ON
INTZERO
INTONE
INTALONE
REALZERO
STRNULL
ZEROSMPL
GRP_OFF
IEC09000037.vsd
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Figure 73: FXDSIGN function block
11.2.4 Signals
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Table 136: 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
11.2.5 Settings
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The function does not have any settings available in Local HMI or Protection and Control IED
Manager (PCM600).
11.2.6 Operation principle
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There are nine outputs from FXDSIGN function block:
• OFF is a boolean signal, fixed to OFF (boolean 0) value
• ON is a boolean signal, fixed to ON (boolean 1) value
• INTZERO is an integer number, fixed to integer value 0
• INTONE is an integer number, fixed to integer value 1
• INTALONE is an integer value FFFF (hex)
• REALZERO is a floating point real number, fixed to 0.0 value
• STRNULL is a string, fixed to an empty string (null) value
• ZEROSMPL is the channel index of an analog signal, fixed to 0 value
• GRP_OFF is a group signal, fixed to 0 value
Section 11 1MRK 511 557-UEN Rev. A
Logic
136
Technical Manual
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Hitachi Relion 650 Series Specifications

General

Brand	Hitachi
Model	Relion 650 Series
Category	Control Unit
Language	English