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◆  Signal monitoring point 
Alarm signal by FRQ2 protection   
Trip signal by FRQ2 protection   
Alarm signal by FRQ3 protection   
Trip signal by FRQ3 protection   
Alarm signal by FRQ4 protection   
Trip signal by FRQ4 protection 
Alarm signal by FRQ5 protection   
Trip signal by FRQ5 protection   
Alarm signal by FRQ6 protection   
Trip signal by FRQ6 protection   
FRQ1 relay element operated 
FRQ1 protection block command 
FRQ2 relay element operated 
FRQ2 protection block command 
FRQ3 relay element operated 
FRQ3 protection block command 
FRQ4 relay element operated 
FRQ4 protection block command 
FRQ5 relay element operated 
FRQ5 protection block command 
FRQ6 relay element operated 
FRQ6 protection block command 
FRQBLK relay element operated 
 
◆  Connection point in PLC logic 
FRQ1 protection block command 
DFRQ1 protection block command 
DFRQ1 protection operated 
FRQ2 protection block command