Siemens SIPROTEC 7SD600 System Manual page 119

6
Operating instructions
Numerical line differential protection SIPROTEC 7SD600 V3.0
T E S T C B
Y
O F F
T E S T C B
Y
O F F ?
If there is no reason for its prevention, the circuit-
breaker test takes place immediately.
6 - 38
System manual Order no. E50417-G1176-C069-A1
[4400]
Block "Circuit-breaker test tripping"
"
[4404]
After confirming with the Enter key E a prompt to
E
enter the code word appears. After entering the code
word and re-confirming with E a check is made whe
ther a circuit-breaker test is allowed at present or
whether this is prevented by one of the reasons men
tioned above.
Siemens AG January 1999