Principle Of Operation; Function Block; Input And Output Signals - ABB Relion 670 Series Technical Reference Manual

Section 12
Logic
12.2.1
12.2.2
12.2.3
454
unused inputs in other function blocks to a certain level/value, or for creating
certain logic.

Principle of operation

There are eight 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 a channel index, fixed to 0 value
• GRP_OFF is a group signal, fixed to 0 value

Function block

FXDSIGN
OFF
ON
INTZERO
INTONE
REALZERO
STRNULL
ZEROSMPL
GRP_OFF
IEC05000445-2-en.vsd
IEC05000445 V2 EN
Figure 235: FXDSIGN function block

Input and output signals

Table 308: FXDSIGN Output signals
Name Type
OFF BOOLEAN
ON BOOLEAN
INTZERO INTEGER
INTONE INTEGER
INTALONE INTEGER
REALZERO REAL
STRNULL STRING
ZEROSMPL GROUP SIGNAL
GRP_OFF GROUP SIGNAL
1MRK 505 208-UEN B
Description
Boolean signal fixed off
Boolean signal fixed on
Integer signal fixed zero
Integer signal fixed one
Integer signal fixed all ones
Real signal fixed zero
String signal with no characters
Channel id for zero sample
Group signal fixed off
Technical reference manual