Name
Type
Description
TSTENOK
BOOLEAN
Energizing check OK test output
USELFAIL
BOOLEAN
Selected voltage transformer fuse failed
B1SEL
BOOLEAN
Bus1 selected
B2SEL
BOOLEAN
Bus2 selected
LN1SEL
BOOLEAN
Line1 selected
LN2SEL
BOOLEAN
Line2 selected
SYNPROGR
BOOLEAN
Synchronizing in progress
SYNFAIL
BOOLEAN
Synchronizing failed
UOKSYN
BOOLEAN
Voltage amplitudes for synchronizing above set
limits
UDIFFSYN
BOOLEAN
Voltage difference out of limit for synchronizing
FRDIFSYN
BOOLEAN
Frequency difference out of limit for synchronizing
FRDIFFOK
BOOLEAN
Frequency difference in band for synchronizing
FRDERIVA
BOOLEAN
Frequency derivative out of limit for synchronizing
UOKSC
BOOLEAN
Voltage amplitudes above set limits
UDIFFSC
BOOLEAN
Voltage difference out of limit
FRDIFFA
BOOLEAN
Frequency difference out of limit for Auto
operation
PHDIFFA
BOOLEAN
Phase angle difference out of limit for Auto
operation
FRDIFFM
BOOLEAN
Frequency difference out of limit for Manual
operation
PHDIFFM
BOOLEAN
Phase angle difference out of limit for Manual
Operation
INADVCLS
BOOLEAN
Inadvertent circuit breaker closing
UDIFFME
REAL
Calculated difference of voltage in p.u of set
voltage base value
FRDIFFME
REAL
Calculated difference of frequency
PHDIFFME
REAL
Calculated difference of phase angle
UBUS
REAL
Bus voltage
ULINE
REAL
Line voltage
MODEAEN
INTEGER
Selected mode for automatic energizing
MODEMEN
INTEGER
Selected mode for manual energizing
Section 12
1MRK 505 394-UEN A
Control
304
Line differential protection RED650 2.2 IEC
Technical manual
Summary of Contents for RED650
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