Siemens SIPROTEC 7SS52 Operation Manual page 124

7 4 0 0 A N N U N C :
D I / S T c u r r
7 4 0 1 I d C k z
= 0 % I / I n o
7 4 0 2 I s C k z
= 0 % I / I n o
C Z ?
L 1
L 1