9.3.6 Signals
Table 655: SECRSYN Input signals
Name
Type Default Description
U_BUS SIGNAL 0 Busbar voltage
U_LINE SIGNAL 0 Line voltage
CL_COMMAND BOOLEAN 0=False External closing request
BLOCK BOOLEAN 0=False Blocking signal of the synchro check and voltage
check function
BYPASS BOOLEAN 0=False Request to bypass synchronism check and voltage
check
Table 656: SECRSYN Output signals
Name Type Description
SYNC_INPRO BOOLEAN Synchronizing in progress
SYNC_OK BOOLEAN Systems in synchronism
CL_FAIL_AL BOOLEAN CB closing failed
CMD_FAIL_AL BOOLEAN CB closing request failed
LLDB BOOLEAN Live Line, Dead Bus
LLLB BOOLEAN Live Line, Live Bus
DLLB BOOLEAN Dead Line, Live Bus
DLDB BOOLEAN Dead Line, Dead Bus
9.3.7 Settings
Table 657: SECRSYN Group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Live dead mode -1=Off
1=Both Dead
2=Live L, Dead B
3=Dead L, Live B
4=Dead Bus, L Any
5=Dead L, Bus Any
6=One Live, Dead
7=Not Both Live
1=Both Dead Energizing check mode
Difference voltage 0.01...0.50 xUn 0.01 0.05 Maximum voltage difference limit
Difference frequency 0.0002...0.1000 xFn 0.0001 0.0010 Maximum frequency difference limit
Difference angle 5...90 deg 1 5 Maximum angle difference limit
Section 9 1MRS758755 A
Control functions
628 REC615 and RER615
Technical Manual
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