ABB RELION 650 SERIES, Technical Manual

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13.15.4 Signals
PID-6897-INPUTSIGNALS v2
Table 362: REALCOMP Input signals
Name Type Default Description
INPUT REAL 0.000 Input value to be compared with reference value
REF REAL 0.000 Reference value to be compared with input value
PID-6897-OUTPUTSIGNALS v2
Table 363: REALCOMP Output signals
Name Type Description
INEQUAL BOOLEAN Input value is equal to the reference value
INHIGH BOOLEAN Input value is higher than the reference value
INLOW BOOLEAN Input value is lower than the reference value
13.15.5 Settings
PID-6897-SETTINGS v2
Table 364: REALCOMP Group settings (basic)
Name Values (Range) Unit Step Default Description
EnaAbs Signed
Absolute
- - Signed Selection for absolute or signed
comparison
RefSource Set Value
Input REF
- - Set Value Selection for reference value either input
or setting
SetValue -999.999 - 999.999 - 0.001 0.001 Set value for reference
SetValPrefix milli
unit
kilo
Mega
Giga
- - unit Multiplication factor for SetValue
EqualBandHigh 0.10 - 10.00 % 0.01 0.50 Equal band high limit in % of reference
value
EqualBandLow 0.10 - 10.00 % 0.01 0.50 Equal band low limit in % of reference
value
13.15.6 Operation principle
GUID-3FA699A8-D076-4E5E-BCB8-C6B7907573D1 v2
The comparison can be done in two ways,
1. Between 2 inputs, INPUT and REF
2. Between INPUT and the
SetValue setting
The selection of reference value for comparison can be done through setting
RefSource . If RefSource is selected as Input REF then the reference value for
1MRK 506 382-UEN A
Section 13
Logic
Line distance protection REL650 2.2 IEC 525
Technical manual