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 11 1MRK 506 382-UEN A
Control
336 Line distance protection REL650 2.2 IEC
Technical manual
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